PIMCO Corporate & Income Opportunity Fund
Sponsor: PIMCO · Inception Dec 26, 2002 · Pays monthly
Market priceShare price
$10.71
-1.02% ($-0.11)
NAVAsset value per share
$10.86
as of Oct 14, 2026 · Nasdaq NAV symbol
Premium / discountPrice vs. assets
1.38% discount *
Indicative: latest price vs latest reported NAV
Distribution rate (price)Payout rate
13.31%
regular, annualised · on NAV 13.13%
Expense ratioAnnual cost
1.52%
fee table, Sep 24, 2026
LeverageBorrowing
Not reported
senior securities not tagged
Quote status: Market closed — last regular-session price · last trade Oct 16, 2026, 4:00 PM EDT (exchange time, ET) · retrieved Oct 16, 2026, 5:45 PM EDTRegular-session prices; extended-hours quotes are not displayed.
Full portfolio as filed on SEC Form N-PORT for the month ending Jun 30, 2026, filed Aug 31, 2026. 907 positions; weights are percent of net assets as reported. Weights sum to 100.0% — leverage, cash, derivatives and short positions mean totals need not equal 100%. This is a historical report, not a live portfolio.
Asset class
| Asset class | % net assets | Value |
|---|---|---|
| Debt | 53.63% | $1.4B |
| Equity (common) | 4.65% | $117M |
| ABS (other) | 4.56% | $115M |
| Derivative (interest rate) | 4.22% | $106M |
| Loans | 38.78% | $977M |
| Mortgage-backed | 13.37% | $337M |
| Short-term investment vehicle | 11.04% | $278M |
| Equity (preferred) | 0.95% | $23.8M |
| CDO/CLO | 0.73% | $18.4M |
| Derivative (equity) | 0.13% | $3.2M |
| Derivative (FX) | 0.03% | $775K |
| Repurchase agreement | -31.47% | $-793M |
| Derivative (credit) | -0.61% | $-15.5M |
Country (top 12)
| Country (top 12) | % net assets | Value |
|---|---|---|
| United States | 50.40% | $1.3B |
| Colombia | 5.83% | $147M |
| Germany | 4.39% | $111M |
| Bermuda | 4.11% | $104M |
| United Kingdom | 3.33% | $83.9M |
| France | 3.14% | $79.2M |
| Luxembourg | 3.00% | $75.7M |
| Netherlands | 2.83% | $71.4M |
| Spain | 2.56% | $64.4M |
| Nigeria | 2.14% | $54M |
| Austria | 1.93% | $48.7M |
| Canada | 1.91% | $48.2M |
Region
| Region | % net assets | Value |
|---|---|---|
| Latin America | 9.67% | $244M |
| United States | 50.40% | $1.3B |
| Offshore domiciles | 5.39% | $136M |
| Developed Europe | 22.63% | $570M |
| Other | 2.94% | $74.1M |
| Africa | 2.24% | $56.5M |
| Middle East | 2.07% | $52.1M |
| Canada | 1.91% | $48.2M |
| Emerging Europe | 1.60% | $40.4M |
| Japan | 0.52% | $13.2M |
| Asia ex-Japan | 0.48% | $12.1M |
| Australia & New Zealand | 0.15% | $3.8M |
Issuer type
| Issuer type | % net assets | Value |
|---|---|---|
| Registered fund | 7.93% | $200M |
| Corporate | 65.72% | $1.7B |
| U.S. GSE | 5.42% | $137M |
| Other | 5.06% | $128M |
| Non-U.S. sovereign | 14.32% | $361M |
| U.S. Treasury | 0.78% | $19.7M |
| Municipal | 0.77% | $19.4M |
| U.S. government agency | 0.00% | $75.5K |
Fair-value level
| Fair-value level | % net assets | Value |
|---|---|---|
| Level 1 | 9.60% | $242M |
| Level 2 | 78.27% | $2B |
| Level 3 | 12.13% | $306M |
Level 3 = valued with unobservable inputs (typically private or illiquid).
Long / short
| Long / short | % net assets | Value |
|---|---|---|
| N/A | 3.76% | $94.7M |
| Long | 127.71% | $3.2B |
| Short | -31.47% | $-793M |
All allocation percentages use net assets as the denominator (N-PORT convention). A position's share of invested assets may differ from its share of the whole fund including cash and leverage.
| Security | Identifier | Type | Issuer | Country | Balance | Units | Value (USD) | Weight | FV level |
|---|---|---|---|---|---|---|---|---|---|
| PURPLE RE LTD | 74639NAF0 | Debt | CORP | Bermuda | 450,000 | principal | $450K | 0.02% | 2 |
| CAPE LOOKOUT RE LTD | 13947LAJ1 | Debt | CORP | Bermuda | 450,000 | principal | $450K | 0.02% | 2 |
| CAPE LOOKOUT RE LTD | 13947LAH5 | Debt | CORP | Bermuda | 450,000 | principal | $446K | 0.02% | 2 |
| Residential Asset Securities Corporation | 76110W7H3 | MBS | CORP | United States | 538,228 | principal | $443K | 0.02% | 2 |
| GREENE KING FINANCE PLC | XS0213358608 | Debt | CORP | United Kingdom | 350,000 | principal | $434K | 0.02% | 2 |
| Promotora de Informaciones SA | ES0171743901 | Equity | CORP | Spain | 1,233,318 | shares | $431K | 0.02% | 1 |
| Chase Mortgage Finance Corporation | 16163FAE5 | MBS | CORP | United States | 1,190,388 | principal | $427K | 0.02% | 2 |
| Countrywide Alternative Loan Trust | 02150QAK2 | MBS | CORP | United States | 426,503 | principal | $425K | 0.02% | 2 |
| Nomura Home Equity Loan Inc | 65536HAJ7 | MBS | CORP | United States | 525,492 | principal | $423K | 0.02% | 2 |
| HSBC Bank PLC | — | FX deriv. | OTHER | United States | 6 | contracts | $422K | 0.02% | 2 |
| Glacier Funding CDO | 37638XAA7 | CDO/CLO | CORP | Cayman Islands | 7,163,741 | principal | $422K | 0.02% | 2 |
| Chase Mortgage Finance Corporation | 161631AK2 | MBS | CORP | United States | 1,021,674 | principal | $422K | 0.02% | 2 |
| INTEGRITY RE III | 45870GAE6 | Debt | CORP | Bermuda | 400,000 | principal | $414K | 0.02% | 2 |
| TORREY PINES RE LTD | 89141WAJ1 | Debt | CORP | Bermuda | 400,000 | principal | $412K | 0.02% | 2 |
| PURPLE RE LTD | 74639NAC7 | Debt | CORP | Bermuda | 400,000 | principal | $411K | 0.02% | 2 |
| PALM RE LTD | 69664FAB4 | Debt | CORP | Bermuda | 400,000 | principal | $408K | 0.02% | 2 |
| GREENGROVE RE LTD | 39526JAA9 | Debt | CORP | Bermuda | 400,000 | principal | $408K | 0.02% | 2 |
| PALM RE LTD | 69664FAC2 | Debt | CORP | Bermuda | 400,000 | principal | $406K | 0.02% | 2 |
| CIFC Funding Ltd | 125475AA1 | CDO/CLO | CORP | Cayman Islands | 4,100,000 | principal | $405K | 0.02% | 2 |
| ALTICE HOLDINGS 1 | XS3154194339 | Debt | CORP | Luxembourg | 26,153 | principal | $403K | 0.02% | 3 |
| TORREY PINES RE LTD | 89141WAP7 | Debt | CORP | Bermuda | 400,000 | principal | $403K | 0.02% | 2 |
| STINGRAY COMPUTE | 86083AAA4 | Debt | CORP | United States | 400,000 | principal | $401K | 0.02% | 2 |
| LOCKE TAVERN RE LTD | 539694AC3 | Debt | CORP | Bermuda | 400,000 | principal | $401K | 0.02% | 2 |
| SUTTER RE LTD | 86944RAG3 | Debt | CORP | Bermuda | 400,000 | principal | $400K | 0.02% | 2 |
| BAYOU RE LTD | 07304LAF8 | Debt | CORP | Bermuda | 400,000 | principal | $399K | 0.02% | 2 |
| MASTR Asset Backed Securities Trust | 57643LJK3 | MBS | CORP | United States | 400,000 | principal | $399K | 0.02% | 2 |
| Pagaya AI Debt Selection Trust | 69546RAC0 | ABS | CORP | United States | 402,406 | principal | $399K | 0.02% | 2 |
| LOCKE TAVERN RE LTD | 539694AB5 | Debt | CORP | Bermuda | 400,000 | principal | $398K | 0.02% | 2 |
| Freddie Mac | 3137AUN54 | MBS | USGSE | United States | 711,492 | principal | $396K | 0.02% | 2 |
| F&G ANNUITIES & LIFE INC | 30190AAG9 | Debt | CORP | United States | 400,000 | principal | $391K | 0.02% | 2 |
| NPC UKRENERGO | 63718LAA2 | Debt | CORP | Ukraine | 400,000 | principal | $390K | 0.02% | 2 |
| CS AT1 CLAIMS US22546DAB29 | — | Debt | CORP | United States | 1,100,000 | principal | $388K | 0.02% | 2 |
| New Century Home Equity Loan Trust | 64352VKY6 | MBS | CORP | United States | 365,955 | principal | $384K | 0.02% | 2 |
| MAN GLG US CLO 2021-1 Ltd | 56166XAC3 | CDO/CLO | CORP | Cayman Islands | 1,100,000 | principal | $383K | 0.02% | 2 |
| Crown City CLO | 22823JAC1 | CDO/CLO | CORP | Cayman Islands | 1,600,000 | principal | $383K | 0.02% | 2 |
| JP Morgan Mortgage Trust | 466247F57 | MBS | CORP | United States | 602,700 | principal | $377K | 0.01% | 2 |
| CD Commercial Mortgage Trust | 14986DAJ9 | MBS | CORP | United States | 398,191 | principal | $374K | 0.01% | 2 |
| MASTR Asset Backed Securities Trust | 57643LHA7 | MBS | CORP | United States | 366,617 | principal | $371K | 0.01% | 2 |
| Credit Suisse Mortgage Trust | 225470P23 | MBS | CORP | United States | 829,457 | principal | $370K | 0.01% | 2 |
| WAMU Mortgage Pass-Through Certificates | 93363NAM7 | MBS | CORP | United States | 416,989 | principal | $370K | 0.01% | 2 |
| ARMOR RE II LTD | 04227FAF2 | Debt | CORP | Bermuda | 350,000 | principal | $369K | 0.01% | 2 |
| Standard Chartered Bank | — | FX deriv. | OTHER | United States | 2 | contracts | $366K | 0.01% | 2 |
| INTEGRITY RE III | 45870GAF3 | Debt | CORP | Bermuda | 350,000 | principal | $366K | 0.01% | 2 |
| TITULOS DE TESORERIA | COL17CT03813 | Debt | NUSS | Colombia | 1,530,300,000 | principal | $365K | 0.01% | 2 |
| Argent Securities Inc. | 040104QQ7 | MBS | CORP | United States | 332,887 | principal | $364K | 0.01% | 2 |
| Intercontinental Exchange, Inc. | US097023CY98 | Credit deriv. | OTHER | United States | 20,300,000 | OU | $363K | 0.01% | 2 |
| BCP Trust | 05553BAG0 | MBS | CORP | United States | 450,000 | principal | $363K | 0.01% | 2 |
| MASTR Asset Backed Securities Trust | 57643LKP0 | MBS | CORP | United States | 400,000 | principal | $361K | 0.01% | 2 |
| LONGLEAF PINE RE LTD | 54307MAA6 | Debt | CORP | Bermuda | 350,000 | principal | $357K | 0.01% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 20,600,000 | OU | $356K | 0.01% | 2 |
| United States Treasury | 912797UH8 | Short-term inv. | UST | United States | 359,000 | principal | $356K | 0.01% | 2 |
| POLESTAR RE LTD | 73110JAE2 | Debt | CORP | Bermuda | 350,000 | principal | $354K | 0.01% | 2 |
| Ameriquest Mortgage Securities Inc. | 03072SQ57 | ABS | CORP | United States | 400,000 | principal | $354K | 0.01% | 2 |
| Park Place Securities Inc | 70069FLK1 | ABS | CORP | United States | 400,000 | principal | $352K | 0.01% | 2 |
| POLESTAR RE LTD | 73110JAD4 | Debt | CORP | Bermuda | 350,000 | principal | $351K | 0.01% | 2 |
| LUCA RE LTD | 54930CAB1 | Debt | CORP | Bermuda | 350,000 | principal | $350K | 0.01% | 2 |
| Deutsche Bank AG | XS1864523300 | Credit deriv. | OTHER | United States | 6,783,358 | OU | $347K | 0.01% | 3 |
| YARDSTICK RE DAC | XS3418599729 | Debt | CORP | Ireland | 300,000 | principal | $343K | 0.01% | 3 |
| Soundview Home Equity Loan Trust | 83611PBY6 | ABS | CORP | United States | 347,819 | principal | $342K | 0.01% | 2 |
| WAMU Mortgage Pass-Through Certificates | 92925VAJ9 | MBS | CORP | United States | 390,880 | principal | $342K | 0.01% | 2 |
| Greensky Home Improvement Issuer Trust | 39571MAG3 | ABS | CORP | United States | 335,781 | principal | $341K | 0.01% | 2 |
| Bear Stearns Asset Backed Securities Trust | 073879TV0 | MBS | CORP | United States | 332,952 | principal | $331K | 0.01% | 2 |
| Encina Private Credit LLC | — | Loan | CORP | United States | 380,578 | principal | $326K | 0.01% | 3 |
| Countrywide Alternative Loan Trust | 12667FQ99 | MBS | CORP | United States | 389,236 | principal | $316K | 0.01% | 2 |
| DRC INTERNATIONAL BOND | 24811WAB4 | Debt | NUSS | CD | 300,000 | principal | $315K | 0.01% | 2 |
| South Coast Funding | 84129VAG6 | CDO/CLO | CORP | Cayman Islands | 1,076,526 | principal | $314K | 0.01% | 2 |
| NATURE COAST RE LTD | 63901CAE1 | Debt | CORP | Bermuda | 300,000 | principal | $312K | 0.01% | 2 |
| BAYOU RE LTD | 07304LAC5 | Debt | CORP | Bermuda | 300,000 | principal | $310K | 0.01% | 2 |
| WINSTON RE LTD | 975660AE1 | Debt | CORP | Bermuda | 300,000 | principal | $301K | 0.01% | 2 |
| WINSTON RE LTD | 975660AD3 | Debt | CORP | Bermuda | 300,000 | principal | $301K | 0.01% | 2 |
| SUTTER RE LTD | 86944RAH1 | Debt | CORP | Bermuda | 300,000 | principal | $300K | 0.01% | 2 |
| GATEWAY RE LTD | 36779CAU0 | Debt | CORP | Bermuda | 300,000 | principal | $300K | 0.01% | 2 |
| BUTTONWOOD RE LTD | 12423PAA6 | Debt | CORP | Bermuda | 300,000 | principal | $300K | 0.01% | 2 |
| EVERGLADES RE II LTD | 30014LAY0 | Debt | CORP | Bermuda | 300,000 | principal | $300K | 0.01% | 2 |
| Aegis Asset Backed Securities Trust | 00764MFF9 | MBS | CORP | United States | 900,000 | principal | $298K | 0.01% | 2 |
| New Century Home Equity Loan Trust | 64352VKX8 | MBS | CORP | United States | 290,998 | principal | $288K | 0.01% | 2 |
| WINSTON RE LTD | 975660AA9 | Debt | CORP | Bermuda | 280,000 | principal | $287K | 0.01% | 2 |
| Magenta Security Holdings LLC | 55909UAC3 | Loan | CORP | United States | 283,092 | principal | $279K | 0.01% | 2 |
| WAMU Mortgage Pass-Through Certificates | 93364FAC5 | MBS | CORP | United States | 305,079 | principal | $277K | 0.01% | 2 |
| ION PLATFORM FINANCE SAR | XS3194940147 | Debt | CORP | Luxembourg | 300,000 | principal | $277K | 0.01% | 2 |
| Asset Backed Securities Corp Home Equity Ln Trst | 04541GQZ8 | MBS | CORP | United States | 300,000 | principal | $276K | 0.01% | 2 |
| Ameriquest Mortgage Securities Inc. | 03072SK38 | ABS | CORP | United States | 272,695 | principal | $274K | 0.01% | 2 |
| GSR Mortgage Loan Trust | 362341XE4 | MBS | CORP | United States | 316,293 | principal | $269K | 0.01% | 2 |
| New Century Home Equity Loan Trust | 64352VNZ0 | ABS | CORP | United States | 271,324 | principal | $262K | 0.01% | 2 |
| ARMOR RE II LTD | 04227FAE5 | Debt | CORP | Bermuda | 250,000 | principal | $260K | 0.01% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | United States | 2,000,000 | OU | $259K | 0.01% | 2 |
| United States Treasury | 912797UR6 | Short-term inv. | UST | United States | 258,000 | principal | $257K | 0.01% | 2 |
| HESTIA RE LTD | 42815KAC6 | Debt | CORP | Bermuda | 250,000 | principal | $256K | 0.01% | 2 |
| HESTIA RE LTD | 42815KAD4 | Debt | CORP | Bermuda | 250,000 | principal | $255K | 0.01% | 2 |
| JP Morgan Mortgage Trust | 46629DBJ3 | MBS | CORP | United States | 302,335 | principal | $254K | 0.01% | 2 |
| CITRUS RE LTD | 177510AS3 | Debt | CORP | Bermuda | 250,000 | principal | $254K | 0.01% | 2 |
| CITRUS RE LTD | 177510AT1 | Debt | CORP | Bermuda | 250,000 | principal | $254K | 0.01% | 2 |
| GSAA Home Equity Trust | 3622EBAB4 | MBS | CORP | United States | 952,923 | principal | $253K | 0.01% | 2 |
| URSA RE II LTD | 91734PAJ5 | Debt | CORP | Bermuda | 250,000 | principal | $253K | 0.01% | 2 |
| VERAISON RE LTD | 92335TAE9 | Debt | CORP | Bermuda | 250,000 | principal | $253K | 0.01% | 2 |
| WINSTON RE LTD | 975660AF8 | Debt | CORP | Bermuda | 250,000 | principal | $252K | 0.01% | 2 |
| GATEWAY RE LTD | 36779CAF3 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| HERBIE RE LTD | 42703VAN3 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| BLUE RIDGE RE LTD | 096003AC2 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| MOUNTAIN RE LTD | 62426LAB5 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| WINDROSE RE LTD | 972917AA6 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| INTEGRITY RE III | 45870GAH9 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| RECOLETOS RE DAC | 755933AB4 | Debt | CORP | Ireland | 250,000 | principal | $250K | 0.01% | 2 |
| EVERGLADES RE II LTD | 30014LAX2 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| ALAMO RE LTD | 011395AS9 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| EVERGLADES RE II LTD | 30014LAZ7 | Debt | CORP | Bermuda | 250,000 | principal | $250K | 0.01% | 2 |
| TREMONT RE LTD | 89479VAA4 | Debt | CORP | Bermuda | 250,000 | principal | $249K | 0.01% | 2 |
| Ace Securities Corp. | 004421NG4 | MBS | CORP | United States | 299,819 | principal | $248K | 0.01% | 2 |
| CS AT1 CLAIMS USH3698DBW32 | — | Debt | CORP | United States | 700,000 | principal | $247K | 0.01% | 2 |
| HANDSHAKE RE LTD | 410290AA8 | Debt | CORP | Bermuda | 250,000 | principal | $246K | 0.01% | 2 |
| IndyMac Residential Asset Backed Trust | 456606JQ6 | ABS | CORP | United States | 301,729 | principal | $243K | 0.01% | 2 |
| Magenta Security Holdings LLC | 55909UAG4 | Loan | CORP | United States | 1,380,154 | principal | $238K | 0.01% | 2 |
| Morgan Stanley Capital Inc | 61744CNG7 | MBS | CORP | United States | 261,419 | principal | $233K | 0.01% | 2 |
| Morgan Stanley Capital Inc | 61744CPM2 | MBS | CORP | United States | 252,629 | principal | $231K | 0.01% | 2 |
| Banc of America Funding Corporation | 059523AG5 | MBS | CORP | United States | 266,305 | principal | $229K | 0.01% | 2 |
| Barclays Bank PLC | — | FX deriv. | OTHER | Türkiye | 11 | contracts | $229K | 0.01% | 2 |
| Taberna Prefered Funding Ltd | 87331BAA0 | CDO/CLO | CORP | Cayman Islands | 241,690 | principal | $228K | 0.01% | 2 |
| First Horizon Alternative Mortgage Securities | 32052FAH9 | MBS | CORP | United States | 941,726 | principal | $228K | 0.01% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 12,450,000 | OU | $221K | 0.01% | 2 |
| People's Choice Home Loan Securities Trust | 71085PCE1 | ABS | CORP | United States | 300,000 | principal | $221K | 0.01% | 2 |
| State Street Bank & Trust Co. | — | FX deriv. | OTHER | United Kingdom | 1 | contracts | $220K | 0.01% | 2 |
| New Century Home Equity Loan Trust | 64352VKE0 | MBS | CORP | United States | 221,822 | principal | $219K | 0.01% | 2 |
| NEWFOLD DIGITAL HLDGS GR | 650929AC6 | Debt | CORP | United States | 247,333 | principal | $219K | 0.01% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 38,700,000 | OU | $215K | 0.01% | 2 |
| CS AT1 CLAIMS US225401AJ72 | — | Debt | CORP | United States | 600,000 | principal | $212K | 0.01% | 2 |
| Bear Stearns Alt-A Trust | 073868BE0 | MBS | CORP | United States | 424,587 | principal | $211K | 0.01% | 2 |
| Countrywide Asset-Backed Certificates | 126670PM4 | ABS | CORP | United States | 252,108 | principal | $209K | 0.01% | 2 |
| Encore Credit Receivables Trust | 126673VT6 | ABS | CORP | United States | 232,770 | principal | $209K | 0.01% | 2 |
| Residential Accredit Loans, Inc. | 751152AA7 | MBS | CORP | United States | 200,482 | principal | $208K | 0.01% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 1,600,000 | OU | $207K | 0.01% | 2 |
| EQTYWM927 WESTMORELAND MININGrestricted | — | Equity | CORP | United States | 78,444 | shares | $206K | 0.01% | 3 |
| UBS Group AG | CH0244767585 | Equity | CORP | Switzerland | 4,114 | shares | $204K | 0.01% | 1 |
| DORMAN PRODUCTS INC | 258278AA8 | Debt | CORP | United States | 200,000 | principal | $203K | 0.01% | 2 |
| Magenta Security Holdings LLC | 55909UAE9 | Loan | CORP | United States | 296,947 | principal | $201K | 0.01% | 2 |
| Ameriquest Mortgage Securities Inc. | 03072SA39 | ABS | CORP | United States | 204,223 | principal | $200K | 0.01% | 2 |
| Countrywide Alternative Loan Trust | 12667FJ55 | MBS | CORP | United States | 290,475 | principal | $187K | 0.01% | 2 |
| HESTIA RE LTD | 42815KAG7 | Debt | CORP | Bermuda | 250,000 | principal | $186K | 0.01% | 2 |
| Lealand Finance Company BV | XAN5200EAC56 | Loan | CORP | Netherlands | 189,425 | principal | $183K | 0.01% | 2 |
| Countrywide Alternative Loan Trust | 02147RAQ3 | MBS | CORP | United States | 654,802 | principal | $183K | 0.01% | 2 |
| Residential Accredit Loans, Inc. | 751155AQ5 | MBS | CORP | United States | 208,370 | principal | $182K | 0.01% | 2 |
| Deutsche Bank AG | — | FX deriv. | OTHER | Egypt | 1 | contracts | $178K | 0.01% | 2 |
| DRILLCO HLDG LUX SArestricted | USL269151134 | Equity | CORP | Luxembourg | 7,625 | shares | $175K | 0.01% | 3 |
| TITULOS DE TESORERIA | COL17CT03615 | Debt | NUSS | Colombia | 769,700,000 | principal | $171K | 0.01% | 2 |
| Morgan Stanley Capital I Trust | 61692AAL6 | MBS | CORP | United States | 8,125,000 | principal | $171K | 0.01% | 2 |
| MASTR Asset Backed Securities Trust | 57643LHU3 | MBS | CORP | United States | 208,123 | principal | $169K | 0.01% | 2 |
| Citigroup Mortgage Loan Trust Inc | 17311WAA5 | MBS | CORP | United States | 186,884 | principal | $162K | 0.01% | 2 |
| Countrywide Alternative Loan Trust | 02149JAL0 | MBS | CORP | United States | 491,772 | principal | $158K | 0.01% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 90,000,000 | OU | $158K | 0.01% | 2 |
| TITULOS DE TESORERIA | COL17CT04035 | Debt | NUSS | Colombia | 539,154,200 | principal | $156K | 0.01% | 2 |
| HSBC Bank PLC | — | FX deriv. | OTHER | Egypt | 1 | contracts | $156K | 0.01% | 2 |
| Countrywide Home Loans | 12545CAB6 | MBS | CORP | United States | 403,724 | principal | $156K | 0.01% | 2 |
| Countrywide Alternative Loan Trust | 02149VAJ8 | MBS | CORP | United States | 367,061 | principal | $153K | 0.01% | 2 |
| Asset Backed Securities Corp Home Equity Ln Trst | 04541GRQ7 | MBS | CORP | United States | 153,353 | principal | $152K | 0.01% | 2 |
| TITULOS DE TESORERIA | COL17CT03490 | Debt | NUSS | Colombia | 637,200,000 | principal | $148K | 0.01% | 2 |
| Magenta Security Holdings LLC | 55909UAF6 | Loan | CORP | United States | 388,054 | principal | $148K | 0.01% | 2 |
| New Century Home Equity Loan Trust | 64352VKC4 | MBS | CORP | United States | 148,032 | principal | $148K | 0.01% | 2 |
| JP Morgan Mortgage Trust | 46628LAK4 | MBS | CORP | United States | 233,294 | principal | $146K | 0.01% | 2 |
| Countrywide Alternative Loan Trust | 12667F2R5 | MBS | CORP | United States | 375,524 | principal | $145K | 0.01% | 2 |
| Bear Stearns Alt-A Trust | 07386HVV0 | MBS | CORP | United States | 347,490 | principal | $140K | 0.01% | 2 |
| Merrill Lynch Mortgage Investors Trust | 59020UUX1 | ABS | CORP | United States | 137,899 | principal | $138K | 0.01% | 2 |
| RUSSIAN FEDERATION | XS0971721963 | Debt | NUSS | Russia | 200,000 | principal | $137K | 0.01% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | XX | 1,900,000 | OU | $136K | 0.01% | 2 |
| Countrywide Alternative Loan Trust | 02147WAT6 | MBS | CORP | United States | 298,932 | principal | $134K | 0.01% | 2 |
| Countrywide Asset-Backed Certificates | 126673YP1 | ABS | CORP | United States | 135,900 | principal | $134K | 0.01% | 2 |
| Chase Mortgage Finance Corporation | 16163EAH1 | MBS | CORP | United States | 266,991 | principal | $132K | 0.01% | 2 |
| Countrywide Alternative Loan Trust | 12667FYU3 | MBS | CORP | United States | 132,603 | principal | $132K | 0.01% | 2 |
| Aegis Asset Backed Securities Trust | 00764MFU6 | MBS | CORP | United States | 700,000 | principal | $131K | 0.01% | 2 |
| Bear Stearns Alt-A Trust | 07386HMW8 | MBS | CORP | United States | 128,223 | principal | $124K | 0.00% | 2 |
| GSAMP Trust | 36245YAC8 | ABS | CORP | United States | 242,607 | principal | $121K | 0.00% | 2 |
| Residential Accredit Loans, Inc. | 74922TAB2 | MBS | CORP | United States | 133,060 | principal | $119K | 0.00% | 2 |
| Bear Stearns Asset Backed Securities Trust | 073879R59 | MBS | CORP | United States | 116,876 | principal | $117K | 0.00% | 2 |
| Barclays Bank PLC | US698299AD63 | Credit deriv. | OTHER | United Kingdom | 9,500,000 | OU | $115K | 0.00% | 2 |
| New Century Home Equity Loan Trust | 64352VKW0 | MBS | CORP | United States | 106,109 | principal | $115K | 0.00% | 2 |
| Citibank NA | — | FX deriv. | OTHER | Egypt | 1 | contracts | $111K | 0.00% | 2 |
| Dryden Senior Loan Fund | 26245TAC0 | CDO/CLO | CORP | Cayman Islands | 14,311,000 | principal | $109K | 0.00% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 6,000,000 | OU | $108K | 0.00% | 2 |
| REPUBLIC OF GHANA | 374422AN3 | Debt | NUSS | GH | 119,840 | principal | $108K | 0.00% | 2 |
| Securitized Asset Backed Receivables LLC Trust | 81375WDT0 | ABS | CORP | United States | 119,258 | principal | $107K | 0.00% | 2 |
| Fremont Home Loan Trust | 35729PJF8 | ABS | CORP | United States | 106,129 | principal | $105K | 0.00% | 2 |
| Bank of America NA | US698299AD63 | Credit deriv. | OTHER | United States | 8,500,000 | OU | $103K | 0.00% | 2 |
| Suntrust Adjustable Rate Mortgage Loan Trust | 78473NAC7 | MBS | CORP | United States | 113,949 | principal | $97.6K | 0.00% | 2 |
| Asset Backed Funding Certificates | 04542BKX9 | MBS | CORP | United States | 122,019 | principal | $97K | 0.00% | 2 |
| Residential Asset Securitization Trust | 45660L4G1 | MBS | CORP | United States | 295,959 | principal | $96.7K | 0.00% | 2 |
| BRIGHTHOUSE HLDGS LLC | 10924BAA5 | Debt | CORP | United States | 110,000 | principal | $94.6K | 0.00% | 2 |
| Citimortgage Alternative Loan Trust | 12566VAN2 | MBS | CORP | United States | 96,564 | principal | $88.4K | 0.00% | 2 |
| Countrywide Asset-Backed Certificates | 126673B92 | ABS | CORP | United States | 83,604 | principal | $83.3K | 0.00% | 2 |
| Argentina Republic Government International Bonds | 040114HW3 | Debt | NUSS | Argentina | 107,153 | principal | $82.2K | 0.00% | 2 |
| WEST MARINE NEW COMMON STOCKrestricted | — | Equity | CORP | United States | 13,000 | shares | $82.1K | 0.00% | 3 |
| Merrill Lynch Mortgage Investors Trust | 59020UUY9 | ABS | CORP | United States | 79,508 | principal | $78.6K | 0.00% | 2 |
| Countrywide Home Loans | 126694H68 | MBS | CORP | United States | 175,478 | principal | $76.5K | 0.00% | 2 |
| Encore Credit Receivables Trust | 126673VR0 | ABS | CORP | United States | 78,778 | principal | $75.1K | 0.00% | 2 |
| Foresea Holding SA | 262051105 | Equity | CORP | Luxembourg | 3,169 | shares | $72.6K | 0.00% | 3 |
| CS AT1 CLAIMS US225401AK46 | — | Debt | CORP | United States | 200,000 | principal | $70.5K | 0.00% | 2 |
| BNP Paribas SA | — | FX deriv. | OTHER | United States | 2 | contracts | $69.8K | 0.00% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | United States | 62,000,000 | OU | $64.8K | 0.00% | 2 |
| Opteum Mortgage Acceptance Corporation | 68383NBB8 | MBS | CORP | United States | 64,263 | principal | $64.2K | 0.00% | 2 |
| Citibank NA | — | FX deriv. | OTHER | United States | 1 | contracts | $63.8K | 0.00% | 2 |
| Carlyle Global Market Strategies | 14311CAA6 | CDO/CLO | CORP | Cayman Islands | 6,000,000 | principal | $63.6K | 0.00% | 2 |
| Wells Fargo Bank NA | — | FX deriv. | OTHER | South Africa | 1 | contracts | $62.4K | 0.00% | 2 |
| Asset Backed Funding Certificates | 04542BKW1 | MBS | CORP | United States | 67,004 | principal | $60K | 0.00% | 2 |
| SPIRIT AIR 2017-1 PTT AA | 84858WAA4 | Debt | CORP | United States | 57,614 | principal | $53.1K | 0.00% | 2 |
| Government National Mortgage Association | 38375GYG0 | MBS | USGA | United States | 541,421 | principal | $52.4K | 0.00% | 2 |
| Structured Asset Mortgage Investments Inc | 86361HAB0 | MBS | CORP | United States | 56,778 | principal | $50.7K | 0.00% | 2 |
| Cork Street CLO Designated Activity Company | XS1319592900 | CDO/CLO | CORP | Ireland | 700,297 | principal | $47K | 0.00% | 3 |
| Freddie Mac | 31394RFB0 | MBS | USGSE | United States | 489,444 | principal | $45.8K | 0.00% | 2 |
| Freddie Mac | 3137B0WN0 | MBS | USGSE | United States | 68,775 | principal | $44.2K | 0.00% | 2 |
| Freddie Mac | 3137BLTL2 | MBS | USGSE | United States | 545,825 | principal | $44.1K | 0.00% | 2 |
| Taberna Prefered Funding Ltd | 87331AAA2 | CDO/CLO | CORP | Cayman Islands | 47,347 | principal | $44K | 0.00% | 2 |
| Goldman Sachs International | US29444UBD72 | Credit deriv. | OTHER | United States | 1,000,000 | OU | $42.6K | 0.00% | 2 |
| Suntrust Adjustable Rate Mortgage Loan Trust | 78473TAG5 | MBS | CORP | United States | 99,332 | principal | $40K | 0.00% | 2 |
| Asset Backed Funding Certificates | 04542BMC3 | MBS | CORP | United States | 37,785 | principal | $38.3K | 0.00% | 2 |
| BFLD Trust | 05493AAN0 | MBS | CORP | United States | 4,700,000 | principal | $35.1K | 0.00% | 2 |
| Intercontinental Exchange, Inc. | XS2325733413 | Credit deriv. | OTHER | United States | 200,000 | OU | $31.5K | 0.00% | 2 |
| Homebanc Mortgage Trust | 43739EAX5 | MBS | CORP | United States | 47,184 | principal | $31.2K | 0.00% | 2 |
| Bank of America NA | — | FX deriv. | OTHER | United States | 3 | contracts | $30.5K | 0.00% | 2 |
| COUNTRY GARDEN HLDGSCountry Garden Holdings Co. Ltd.restricted | XS3261067808 | Debt | CORP | Cayman Islands | 430,523 | principal | $30.1K | 0.00% | 2 |
| HESTIA RE LTD | 42815KAA0 | Debt | CORP | Bermuda | 53,657 | principal | $30K | 0.00% | 2 |
| Westmoreland Mining Holdings LLCrestricted | — | Equity | CORP | United States | 44,693 | shares | $29.3K | 0.00% | 3 |
| REPUBLIC OF GHANA | 374422AL7 | Debt | NUSS | GH | 28,800 | principal | $28.7K | 0.00% | 2 |
| Golden State Tobacco Securitization Corp | 38122ND82 | Debt | MUN | United States | 30,000 | principal | $27.6K | 0.00% | 2 |
| Countrywide Asset-Backed Certificates | 126673YN6 | ABS | CORP | United States | 27,284 | principal | $27.3K | 0.00% | 2 |
| Fannie Mae | 3136ADJF7 | MBS | USGSE | United States | 438,839 | principal | $24K | 0.00% | 2 |
| JP Morgan Mortgage Acquisition Corp | 46628SAE3 | MBS | CORP | United States | 90,004 | principal | $22.4K | 0.00% | 2 |
| Washington Mutual Mortgage Pass-Through CTFS | 93936RAB0 | MBS | CORP | United States | 6,695 | principal | $21.3K | 0.00% | 2 |
| JPMorgan Chase Bank NA | — | FX deriv. | OTHER | United States | 1 | contracts | $20.6K | 0.00% | 2 |
| Ameriquest Mortgage Securities Inc. | 03072SES0 | MBS | CORP | United States | 21,367 | principal | $20.2K | 0.00% | 2 |
| THAMES WATER SUPER SEN | XS3017976054 | Debt | CORP | United Kingdom | 13,631 | principal | $19.2K | 0.00% | 2 |
| Goldman Sachs International | US46513CXR23 | Credit deriv. | OTHER | United Kingdom | 900,000 | OU | $17.4K | 0.00% | 2 |
| BFLD Trust | 05493AAQ3 | MBS | CORP | United States | 4,400,000 | principal | $16.3K | 0.00% | 2 |
| Citibank NA | US46513CXR23 | Credit deriv. | OTHER | United States | 2,000,000 | OU | $16K | 0.00% | 2 |
| Government National Mortgage Association | 38378GRT7 | MBS | USGA | United States | 159,820 | principal | $15.9K | 0.00% | 2 |
| State Street Bank & Trust Co. | — | FX deriv. | OTHER | United States | 2 | contracts | $15.1K | 0.00% | 2 |
| Fanniemae Strip | 3136FCJ80 | MBS | USGSE | United States | 123,182 | principal | $14.5K | 0.00% | 2 |
| Banc of America Funding Corporation | 05946XZ48 | MBS | CORP | United States | 12,842 | principal | $12.8K | 0.00% | 2 |
| BNP Paribas SA | — | FX deriv. | OTHER | XX | 1 | contracts | $12.2K | 0.00% | 2 |
| TURKIYE GOVERNMENT BOND | TRT190826T19 | Debt | NUSS | Türkiye | 500,000 | principal | $10.8K | 0.00% | 2 |
| Intercontinental Exchange, Inc. | US097023BP90 | Credit deriv. | OTHER | United States | 600,000 | OU | $10.4K | 0.00% | 2 |
| Intercontinental Exchange, Inc. | US00206RHW51 | Credit deriv. | OTHER | United States | 900,000 | OU | $10.4K | 0.00% | 2 |
| Mcdermott International Ltd | BMG5924V1485 | Equity | CORP | Bermuda | 461 | shares | $10.1K | 0.00% | 1 |
| United States Treasury | 91282CPZ8 | Debt | UST | United States | 10,000 | principal | $9.8K | 0.00% | 2 |
| BFLD Trust | 05493AAL4 | MBS | CORP | United States | 930,000 | principal | $9.3K | 0.00% | 2 |
| MASTR Asset Backed Securities Trust | 57643LJJ6 | MBS | CORP | United States | 7,555 | principal | $8.8K | 0.00% | 2 |
| Aegis Asset Backed Securities Trust | 00764MFS1 | MBS | CORP | United States | 8,427 | principal | $8.4K | 0.00% | 2 |
| Morgan Stanley Capital Services LLC | US46513CXR23 | Credit deriv. | OTHER | United States | 400,000 | OU | $7.7K | 0.00% | 2 |
| Government National Mortgage Association | 38378HFV3 | MBS | USGA | United States | 88,664 | principal | $7.2K | 0.00% | 2 |
| Country Garden Holdings Co Ltd | KYG245241032 | Equity | CORP | Cayman Islands | 288,832 | shares | $6.2K | 0.00% | 1 |
| Asset Backed Securities Corp Home Equity Ln Trst | 04541GQY1 | MBS | CORP | United States | 4,699 | principal | $5.7K | 0.00% | 2 |
| Wells Fargo Bank NA | — | FX deriv. | OTHER | XX | 1 | contracts | $5.3K | 0.00% | 2 |
| SVB FINANCIAL TRUST | 78500B403 | Preferred | CORP | United States | 51,920 | shares | $5.2K | 0.00% | 2 |
| Chase Mortgage Finance Corporation | 16162WPE3 | MBS | CORP | United States | 5,478 | principal | $5.1K | 0.00% | 2 |
Equities show share counts; bonds and loans show principal amount. Coupon, maturity and ratings are shown where the filing discloses them. Source: SEC N-PORT via market-data vendor re-serve, position-level.
Holdings reports on file
| Report date | Filed | Positions | Σ weight | Net assets (calc.) | Coverage |
|---|---|---|---|---|---|
| Jun 30, 2026 | Aug 31, 2026 | 907 | 100.0% | $2.5B | full |
| Mar 31, 2026 | May 29, 2026 | 893 | 100.0% | $2.5B | full |
| Dec 31, 2025 | Mar 2, 2026 | 837 | 100.0% | $2.6B | full |
Net assets here are calculated from position values ÷ reported weights (median across positions), not a reported figure.
CEF Explorer research page for PIMCO Corporate & Income Opportunity Fund. Figures carry their own dates and sources; a discount to NAV does not guarantee convergence or any return. This is not investment advice.