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, 4:30 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 |
|---|---|---|---|---|---|---|---|---|---|
| UKRAINE GOVERNMENT | 903724CC4 | Debt | NUSS | Ukraine | 3,663,087 | principal | $2.5M | 0.10% | 2 |
| NYO Commercial Mortgage Trust | 62955HAJ6 | MBS | CORP | United States | 2,500,000 | principal | $2.5M | 0.10% | 2 |
| ION PLAT FIN US/SARL | 46206AAB8 | Debt | CORP | United States | 2,700,000 | principal | $2.5M | 0.10% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | XX | 21,400,000 | OU | $2.4M | 0.10% | 2 |
| FORD MOTOR CREDIT CO LLC | 345397G80 | Debt | CORP | United States | 2,400,000 | principal | $2.4M | 0.10% | 2 |
| TITULOS DE TESORERIA | COL17CT03995 | Debt | NUSS | Colombia | 8,525,200,000 | principal | $2.4M | 0.10% | 2 |
| Virgin Media Bristol LLC | XAG9368PBH64 | Loan | CORP | United States | 2,700,000 | principal | $2.4M | 0.10% | 2 |
| GATEWAY RE LTD | 36779CBA3 | Debt | CORP | Bermuda | 2,400,000 | principal | $2.4M | 0.10% | 2 |
| ALAMO RE LTD | 011395AT7 | Debt | CORP | Bermuda | 2,400,000 | principal | $2.4M | 0.10% | 2 |
| Lealand Finance Company BV | XAN5200EAB73 | Loan | CORP | Netherlands | 2,457,929 | principal | $2.4M | 0.09% | 2 |
| PBF HOLDING CO LLC | 69318FAN8 | Debt | CORP | United States | 2,400,000 | principal | $2.4M | 0.09% | 2 |
| TITULOS DE TESORERIA | COL17CT04001 | Debt | NUSS | Colombia | 7,726,900,000 | principal | $2.4M | 0.09% | 2 |
| URSA RE LTD | 90323WAN0 | Debt | CORP | Bermuda | 2,300,000 | principal | $2.3M | 0.09% | 2 |
| SLM Student Loan Trust | 78447T103 | ABS | CORP | United States | 8,350 | principal | $2.3M | 0.09% | 3 |
| INTRALOT CAPITAL LUX | XS3192259516 | Debt | CORP | Luxembourg | 2,000,000 | principal | $2.3M | 0.09% | 2 |
| Ally Bank Auto Credit-Linked Notes | 02007G5K5 | ABS | CORP | United States | 2,306,633 | principal | $2.3M | 0.09% | 2 |
| Pretium Mortgage Credit Partners LLC | 69393DAA9 | MBS | CORP | United States | 2,321,870 | principal | $2.3M | 0.09% | 2 |
| REPUBLIC OF PERU | 715638BE1 | Debt | NUSS | Peru | 6,881,000 | principal | $2.3M | 0.09% | 2 |
| UKRAINE GOVERNMENT | 903724CB6 | Debt | NUSS | Ukraine | 3,286,586 | principal | $2.3M | 0.09% | 2 |
| QXO BUILDING PRODUCTS | 77583AAB6 | Debt | CORP | United States | 2,200,000 | principal | $2.3M | 0.09% | 2 |
| POLESTAR RE LTD | 73110JAB8 | Debt | CORP | Bermuda | 2,200,000 | principal | $2.3M | 0.09% | 2 |
| PETROLEOS DE VENEZUELA S | USP7807HAQ85 | Debt | CORP | VE | 5,000,000 | principal | $2.2M | 0.09% | 2 |
| BLUE OWL CAPITAL CORP | 69121KAK0 | Debt | CORP | United States | 2,200,000 | principal | $2.2M | 0.09% | 2 |
| ALTICE FRAN LUX 3/HOLD 1 | 020956AA6 | Debt | CORP | Luxembourg | 2,261,400 | principal | $2.2M | 0.09% | 2 |
| APLD COMPUTECO 3 LLC | 03790NAA5 | Debt | CORP | United States | 2,200,000 | principal | $2.2M | 0.09% | 2 |
| CAPE LOOKOUT RE LTD | 13947LAF9 | Debt | CORP | Bermuda | 2,200,000 | principal | $2.2M | 0.09% | 2 |
| Credit Suisse Mortgage Trust | 12651QAQ2 | MBS | CORP | United States | 2,227,000 | principal | $2.2M | 0.09% | 2 |
| New Orleans Hotel Trust | 647622AE9 | MBS | CORP | United States | 2,200,000 | principal | $2.2M | 0.09% | 2 |
| Ameriquest Mortgage Securities Inc. | 03072SUD5 | ABS | CORP | United States | 2,722,790 | principal | $2.2M | 0.09% | 2 |
| Poseidon Bidco SASU | — | Loan | CORP | France | 6,500,000 | principal | $2.2M | 0.09% | 2 |
| Fremont Home Loan Trust | 35729NAD7 | ABS | CORP | United States | 4,697,403 | principal | $2.1M | 0.08% | 2 |
| TURKIYE GOVERNMENT BOND | TRT170528T12 | Debt | NUSS | Türkiye | 98,200,000 | principal | $2.1M | 0.08% | 2 |
| STARWOOD PROPERTY TRUST | 85571BBF1 | Debt | OTHER | United States | 2,100,000 | principal | $2.1M | 0.08% | 2 |
| Clover Holdings 2 LLC | 18914DAB4 | Loan | CORP | United States | 2,166,318 | principal | $2.1M | 0.08% | 2 |
| KONA SPC LTD | XS3135157884 | Debt | CORP | Cayman Islands | 1,800,000 | principal | $2.1M | 0.08% | 3 |
| FLORA FOOD MANAGEMENT BV | XS3281721434 | Debt | CORP | Netherlands | 1,800,000 | principal | $2.1M | 0.08% | 2 |
| Clover Holdings 2 LLC | 18914DAD0 | Loan | CORP | United States | 2,209,214 | principal | $2M | 0.08% | 2 |
| NEWFOLD DIGITAL HLDGS GR | 650929AD4 | Debt | CORP | United States | 3,677,084 | principal | $2M | 0.08% | 2 |
| AUSTRALIAN METCOAL FINAN | 05257TAB1 | Debt | CORP | Australia | 1,900,000 | principal | $2M | 0.08% | 2 |
| QXO BUILDING PRODUCTS | 77583AAA8 | Debt | CORP | United States | 1,900,000 | principal | $1.9M | 0.08% | 2 |
| REPUBLIC OF VENEZUELA | 922646AS3 | Debt | NUSS | VE | 3,898,000 | principal | $1.9M | 0.08% | 2 |
| BCAP LLC Trust | 05534AAP6 | MBS | CORP | United States | 1,086,058 | principal | $1.9M | 0.08% | 2 |
| IndyMac IMSC Mortgage Loan Trust | 45670JAE2 | MBS | CORP | United States | 6,531,628 | principal | $1.9M | 0.08% | 2 |
| DEVELOPMENT BANK OF KAZA | 48129VAF3 | Debt | NUSS | Kazakhstan | 869,100,000 | principal | $1.9M | 0.08% | 2 |
| United States Treasury | 912797UT2 | Short-term inv. | UST | United States | 1,887,000 | principal | $1.9M | 0.07% | 2 |
| Freddie Mac - STACR | 35564KQZ5 | MBS | USGSE | United States | 1,800,000 | principal | $1.9M | 0.07% | 2 |
| CIM Trust | 12569SAA4 | MBS | CORP | United States | 1,887,433 | principal | $1.8M | 0.07% | 2 |
| AUSTRALIAN METCOAL FINAN | 05257TAA3 | Debt | CORP | Australia | 1,800,000 | principal | $1.8M | 0.07% | 2 |
| Countrywide Alternative Loan Trust | 126694A32 | MBS | CORP | United States | 1,911,104 | principal | $1.8M | 0.07% | 2 |
| Long Beach Mortgage Loan Trust | 542514KW3 | ABS | CORP | United States | 1,877,601 | principal | $1.8M | 0.07% | 2 |
| ROMANIA | XS3021378461 | Debt | NUSS | RO | 1,500,000 | principal | $1.8M | 0.07% | 2 |
| TUTOR PERINI CORP | 901109AH1 | Debt | CORP | United States | 1,800,000 | principal | $1.8M | 0.07% | 2 |
| Freddie Mac | 3137B82L0 | MBS | USGSE | United States | 2,207,387 | principal | $1.8M | 0.07% | 2 |
| Washington Mutual Mortgage Pass-Through CTFS | 93935PAH2 | MBS | CORP | United States | 2,097,263 | principal | $1.8M | 0.07% | 2 |
| ION PLATFORM FINANCE SAR | XS3194938836 | Debt | CORP | Luxembourg | 1,900,000 | principal | $1.8M | 0.07% | 2 |
| Hilton USA Trust | 43289VAA1 | MBS | CORP | United States | 2,100,000 | principal | $1.8M | 0.07% | 2 |
| WINSTON RE LTD | 975660AB7 | Debt | CORP | Bermuda | 1,700,000 | principal | $1.7M | 0.07% | 2 |
| FBR Securitization Trust | 30246QAK9 | ABS | CORP | United States | 1,900,000 | principal | $1.7M | 0.07% | 2 |
| Structured Adjustable Rate Mortgage Loan Trust | 863579L48 | MBS | CORP | United States | 3,295,191 | principal | $1.7M | 0.07% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | United States | 418,500,000 | OU | $1.7M | 0.07% | 2 |
| Golden State Tobacco Securitization Corp | 38122ND66 | Debt | MUN | United States | 2,400,000 | principal | $1.7M | 0.07% | 2 |
| Freddie Mac - SCRT | 35563PMB2 | MBS | USGSE | United States | 3,754,768 | principal | $1.7M | 0.07% | 2 |
| AVENIR ISSUER IV IRLND | XS2933572856 | Debt | NUSS | Ireland | 1,680,331 | principal | $1.7M | 0.07% | 2 |
| CNT PRNT/CDK GLO II/FIN | 154915AA0 | Debt | CORP | United States | 2,540,000 | principal | $1.7M | 0.07% | 2 |
| NISSAN MOTOR CO | 654922AB9 | Debt | CORP | Japan | 1,600,000 | principal | $1.7M | 0.07% | 2 |
| JP Morgan Chase Commercial Mortgage Sec Trust | 465981AA6 | MBS | CORP | United States | 1,600,000 | principal | $1.6M | 0.07% | 2 |
| ASTON MARTIN CAPITAL HOL | 04625HAJ8 | Debt | CORP | Jersey | 2,100,000 | principal | $1.6M | 0.06% | 2 |
| MERCURY GENERAL CORP | 589400AC4 | Debt | CORP | United States | 1,600,000 | principal | $1.6M | 0.06% | 2 |
| United States Treasury | 912797TY3 | Short-term inv. | UST | United States | 1,638,000 | principal | $1.6M | 0.06% | 2 |
| UKRAINE GOVERNMENT | 903724CE0 | Debt | NUSS | Ukraine | 2,861,200 | principal | $1.6M | 0.06% | 2 |
| VENTURE GLOBAL LNG INC | 92332YAF8 | Debt | CORP | United States | 1,660,000 | principal | $1.6M | 0.06% | 2 |
| RCO Mortgage LLC | 75523YAA3 | MBS | CORP | United States | 1,583,563 | principal | $1.6M | 0.06% | 2 |
| DRILLCO HLDG LUX S Arestricted | USL269151217 | Equity | CORP | Luxembourg | 68,635 | shares | $1.6M | 0.06% | 3 |
| Countrywide Alternative Loan Trust | 12667G2W2 | MBS | CORP | United States | 2,407,637 | principal | $1.6M | 0.06% | 2 |
| DOMINICAN REPUBLIC | 25714PFA1 | Debt | NUSS | DO | 86,250,000 | principal | $1.6M | 0.06% | 2 |
| LOWER FERRY RE LTD | 547915AA6 | Debt | CORP | Bermuda | 1,550,000 | principal | $1.6M | 0.06% | 2 |
| Eurosail Plc | XS0308725844 | MBS | CORP | United Kingdom | 1,394,472 | principal | $1.6M | 0.06% | 2 |
| First Franklin Mtg Loan Asset Backed Certificates | 30247DAD3 | ABS | CORP | United States | 2,401,570 | principal | $1.5M | 0.06% | 2 |
| Residential Asset Securitization Trust | 761143AE6 | MBS | CORP | United States | 4,654,155 | principal | $1.5M | 0.06% | 2 |
| Societe Generale SA | — | FX deriv. | OTHER | XX | 1 | contracts | $1.5M | 0.06% | 2 |
| Countrywide Alternative Loan Trust | 02149VAH2 | MBS | CORP | United States | 3,638,808 | principal | $1.5M | 0.06% | 2 |
| ELK GROVE VILLAGE PROPER | 28734DAA3 | Debt | CORP | United States | 1,500,000 | principal | $1.5M | 0.06% | 2 |
| OI S.A. | USP7354FAD89 | Debt | CORP | Brazil | 3,027,070 | principal | $1.5M | 0.06% | 2 |
| Bear Stearns Alt-A Trust | 07387QAM2 | MBS | CORP | United States | 2,181,866 | principal | $1.5M | 0.06% | 2 |
| UKRAINE GOVERNMENT | 903724CF7 | Debt | NUSS | Ukraine | 2,417,915 | principal | $1.5M | 0.06% | 2 |
| GOLDEN BEAR RE LTD | 38090EAA8 | Debt | CORP | Bermuda | 1,410,000 | principal | $1.4M | 0.06% | 2 |
| HAMPTON ROADS PPV LLC | 409322AC8 | Debt | CORP | United States | 1,800,000 | principal | $1.4M | 0.06% | 2 |
| GAIA PURCHASER INC | — | Loan | CORP | United States | 1,400,000 | principal | $1.4M | 0.06% | 2 |
| RUSSIAN RAIL(RZD CAP) | XS0609017917 | Debt | CORP | Ireland | 1,500,000 | principal | $1.4M | 0.06% | 2 |
| REPUBLIC OF PERU | 715638AV4 | Debt | NUSS | Peru | 4,600,000 | principal | $1.4M | 0.05% | 2 |
| Freddie Mac | 3137B8LB1 | MBS | USGSE | United States | 1,821,656 | principal | $1.3M | 0.05% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | United Kingdom | 8,000,000 | OU | $1.3M | 0.05% | 2 |
| SLM Student Loan Trust | 78444A107 | ABS | CORP | United States | 7,000 | principal | $1.3M | 0.05% | 3 |
| United States Treasury | 912810UN6 | Debt | UST | United States | 1,274,000 | principal | $1.3M | 0.05% | 2 |
| Marble Point CLO XXIII Ltd. | 566068AC6 | CDO/CLO | CORP | Cayman Islands | 5,200,000 | principal | $1.3M | 0.05% | 2 |
| REPUBLIC OF VENEZUELA | USP17625AB33 | Debt | NUSS | VE | 2,600,000 | principal | $1.3M | 0.05% | 2 |
| BCAP LLC Trust | 05533JBJ1 | MBS | CORP | United States | 1,856,044 | principal | $1.3M | 0.05% | 2 |
| Adjustable Rate Mortgage Trust | 007036AT3 | MBS | CORP | United States | 1,282,352 | principal | $1.2M | 0.05% | 2 |
| TITULOS DE TESORERIA | COL17CT03862 | Debt | NUSS | Colombia | 3,975,100,000 | principal | $1.2M | 0.05% | 2 |
| UKRAINE GOVERNMENT | 903724CG5 | Debt | NUSS | Ukraine | 2,014,928 | principal | $1.2M | 0.05% | 2 |
| AVIS BUDGET CAR/FINANCE | 053773BH9 | Debt | CORP | United States | 1,200,000 | principal | $1.2M | 0.05% | 2 |
| Fremont Home Loan Trust | 35729PND8 | ABS | CORP | United States | 1,400,000 | principal | $1.2M | 0.05% | 2 |
| VIRIDIEN | XS3023950556 | Debt | CORP | France | 994,632 | principal | $1.2M | 0.05% | 2 |
| IndyMac Residential Asset Backed Trust | 43710EAD2 | ABS | CORP | United States | 2,174,584 | principal | $1.2M | 0.05% | 2 |
| AMSURG ESCROW | — | Short-term inv. | CORP | United States | 1,271,774 | shares | $1.2M | 0.05% | 2 |
| RBSSP Resecuritization Trust | 74930PAF1 | MBS | CORP | United States | 3,609,000 | principal | $1.2M | 0.05% | 2 |
| NATIONAL MENTOR HOLDINGS | 63688RAF4 | Debt | CORP | United States | 1,100,000 | principal | $1.2M | 0.05% | 2 |
| Fremont Home Loan Trust | 35729PKA7 | ABS | CORP | United States | 1,300,000 | principal | $1.2M | 0.05% | 2 |
| ANTARES HOLDINGS | 03666HAH4 | Debt | CORP | United States | 1,150,000 | principal | $1.1M | 0.05% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | United States | 17,610,000 | OU | $1.1M | 0.05% | 2 |
| URSA RE LTD | 90323WAR1 | Debt | CORP | Bermuda | 1,100,000 | principal | $1.1M | 0.05% | 2 |
| Structured Adjustable Rate Mortgage Loan Trust | 86361QAD6 | MBS | CORP | United States | 1,489,649 | principal | $1.1M | 0.04% | 2 |
| Pretium Mortgage Credit Partners LLC | 74143LAA4 | ABS | CORP | United States | 1,130,769 | principal | $1.1M | 0.04% | 2 |
| AGFC CAPITAL TRUST I | 00846NAA5 | Debt | CORP | United States | 1,800,000 | principal | $1.1M | 0.04% | 2 |
| IIFL FINANCE LTD | 44964HAB0 | Debt | CORP | India | 1,100,000 | principal | $1.1M | 0.04% | 2 |
| CIFC Funding Ltd | 12549TAA7 | CDO/CLO | CORP | Cayman Islands | 2,441,000 | principal | $1.1M | 0.04% | 2 |
| VIRIDIEN | XS3023943692 | Debt | CORP | France | 904,211 | principal | $1.1M | 0.04% | 2 |
| NISSAN MOTOR ACCEPTANCE | 65480CAJ4 | Debt | CORP | United States | 1,100,000 | principal | $1.1M | 0.04% | 2 |
| COLONY MORTGAGE CAPITAL LTD | 12564NAJ1 | MBS | CORP | United States | 1,125,000 | principal | $1.1M | 0.04% | 2 |
| Databricks Inc | 23803RAF8 | Loan | CORP | United States | 1,087,336 | principal | $1.1M | 0.04% | 2 |
| Morgan Stanley Mortgage Loan Trust | 61751MAC8 | MBS | CORP | United States | 1,928,291 | principal | $1.1M | 0.04% | 2 |
| Freddie Mac | 3137F8A29 | MBS | USGSE | United States | 5,850,395 | principal | $1M | 0.04% | 2 |
| iHeartMedia Inc | 45174J509 | Equity | CORP | United States | 242,659 | shares | $1M | 0.04% | 1 |
| LUCA RE LTD | 54930CAA3 | Debt | CORP | Bermuda | 1,000,000 | principal | $1M | 0.04% | 2 |
| Ameriquest Mortgage Securities Inc. | 03072ST21 | ABS | CORP | United States | 1,100,000 | principal | $1M | 0.04% | 2 |
| ALTICE FRANCE SA | 02090DAB4 | Debt | CORP | France | 1,063,576 | principal | $1M | 0.04% | 2 |
| MASTR Alternative Loans Trust | 57645DAG7 | MBS | CORP | United States | 2,814,726 | principal | $1M | 0.04% | 2 |
| Merrill Lynch Mortgage Investors Trust | 59020U6M2 | ABS | CORP | United States | 5,640,972 | principal | $1M | 0.04% | 2 |
| Countrywide Alternative Loan Trust | 02149VAE9 | MBS | CORP | United States | 13,315,801 | principal | $1M | 0.04% | 2 |
| ADI GLOBAL DISTRIB FNDNG LLC | — | Loan | CORP | United States | 1,000,000 | principal | $1M | 0.04% | 2 |
| DBGS Mortgage Trust | 23308LAA2 | MBS | CORP | United States | 1,000,000 | principal | $1M | 0.04% | 2 |
| NYO Commercial Mortgage Trust | 62955HAA5 | MBS | CORP | United States | 1,000,000 | principal | $1,000K | 0.04% | 2 |
| United States Treasury | 912797TP2 | Short-term inv. | UST | United States | 1,000,000 | principal | $998K | 0.04% | 2 |
| CENTENE CORP | 15135BAW1 | Debt | CORP | United States | 1,100,000 | principal | $996K | 0.04% | 2 |
| JP Morgan Chase Commercial Mortgage Sec Trust | 46654EAE1 | MBS | CORP | United States | 1,100,000 | principal | $994K | 0.04% | 2 |
| Ameriquest Mortgage Securities Inc. | 03072SV51 | ABS | CORP | United States | 1,100,000 | principal | $983K | 0.04% | 2 |
| VASA Trust | 92230AAA4 | MBS | CORP | United States | 999,516 | principal | $982K | 0.04% | 2 |
| CVS PASS-THROUGH TRUST | 126650BS8 | Debt | CORP | United States | 934,927 | principal | $977K | 0.04% | 2 |
| Lehman XS Trust | 52524GAA0 | MBS | CORP | United States | 998,974 | principal | $967K | 0.04% | 2 |
| CS AT1 CLAIMS XS0989394589 | — | Debt | CORP | United States | 2,736,000 | principal | $964K | 0.04% | 2 |
| BCAP LLC Trust | 05533FLT6 | MBS | CORP | United States | 1,016,287 | principal | $944K | 0.04% | 2 |
| DBGS Mortgage Trust | 23307EAA9 | MBS | CORP | United States | 1,000,000 | principal | $939K | 0.04% | 2 |
| Pretium Mortgage Credit Partners LLC | 69393CAA1 | ABS | CORP | United States | 943,252 | principal | $934K | 0.04% | 2 |
| Long Beach Mortgage Loan Trust | 542514NE0 | ABS | CORP | United States | 1,000,000 | principal | $932K | 0.04% | 2 |
| JP Morgan Chase Commercial Mortgage Sec Trust | 466317AA2 | MBS | CORP | United States | 939,275 | principal | $932K | 0.04% | 2 |
| DOMINICAN REPUBLIC | USP3579ECV76 | Debt | NUSS | DO | 51,400,000 | principal | $929K | 0.04% | 2 |
| CREDICORP CAPITAL SOCIED | 224939AB4 | Debt | CORP | Peru | 2,900,000 | principal | $909K | 0.04% | 2 |
| Countrywide Alternative Loan Trust | 02146XAF5 | MBS | CORP | United States | 2,348,627 | principal | $907K | 0.04% | 2 |
| BEAZER HOMES USA | 07556QBV6 | Debt | CORP | United States | 900,000 | principal | $905K | 0.04% | 2 |
| POLESTAR RE LTD | 73110JAC6 | Debt | CORP | Bermuda | 850,000 | principal | $886K | 0.04% | 2 |
| Bear Stearns Alt-A Trust | 073873AK7 | MBS | CORP | United States | 1,990,851 | principal | $877K | 0.03% | 2 |
| BCAP LLC Trust | 05532LAM1 | MBS | CORP | United States | 1,580,119 | principal | $871K | 0.03% | 2 |
| VCAT Asset Securitization, LLC | 91825GAA4 | ABS | CORP | United States | 874,298 | principal | $868K | 0.03% | 2 |
| Argentina Republic Government International Bonds | 040114HX1 | Debt | NUSS | Argentina | 946,099 | principal | $863K | 0.03% | 2 |
| Asset Backed Funding Certificates | 04542BNM0 | MBS | CORP | United States | 893,527 | principal | $861K | 0.03% | 2 |
| DOMINICAN REPUBLIC | 25714PEW4 | Debt | NUSS | DO | 45,950,000 | principal | $851K | 0.03% | 2 |
| GS Mortgage Securities Trust | 36255WAA3 | MBS | CORP | United States | 1,297,765 | principal | $850K | 0.03% | 2 |
| MOTION FINCO SARL | 61980LAB5 | Debt | CORP | Luxembourg | 1,000,000 | principal | $845K | 0.03% | 2 |
| Credit Suisse Mortgage Trust | 12660WAA3 | MBS | CORP | United States | 1,000,000 | principal | $835K | 0.03% | 2 |
| REPUBLIC OF VENEZUELA | USP17625AD98 | Debt | NUSS | VE | 1,500,000 | principal | $818K | 0.03% | 2 |
| Ally Bank Auto Credit-Linked Notes | 02007G5J8 | ABS | CORP | United States | 812,195 | principal | $812K | 0.03% | 2 |
| Bear Stearns Asset Backed Securities Trust | 0738795T1 | MBS | CORP | United States | 799,246 | principal | $810K | 0.03% | 2 |
| Countrywide Alternative Loan Trust | 02149JAR7 | MBS | CORP | United States | 1,500,674 | principal | $803K | 0.03% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 6,100,000 | OU | $801K | 0.03% | 2 |
| UNITI GROUP/CSL CAPITAL | 91327BAA8 | Debt | CORP | United States | 800,000 | principal | $794K | 0.03% | 2 |
| iHeartMedia Inc | 45174J608 | Equity | CORP | United States | 213,502 | shares | $788K | 0.03% | 3 |
| Citigroup Mortgage Loan Trust Inc | 17311LAJ0 | MBS | CORP | United States | 876,683 | principal | $778K | 0.03% | 2 |
| FORESEA HOLDING SA | USL26915AA33 | Debt | CORP | Luxembourg | 784,582 | principal | $775K | 0.03% | 2 |
| SMB Private Education Loan Trust | 78448P100 | ABS | CORP | United States | 3,150 | principal | $773K | 0.03% | 3 |
| Washington Mutual Mortgage Pass-Through CTFS | 93934FLW0 | MBS | CORP | United States | 778,719 | principal | $772K | 0.03% | 2 |
| SPIRIT AIR 2015-1 PTT A | 84858DAA6 | Debt | CORP | United States | 793,326 | principal | $770K | 0.03% | 2 |
| Countrywide Alternative Loan Trust | 02147PAR5 | MBS | CORP | United States | 1,357,838 | principal | $758K | 0.03% | 2 |
| REPUBLIC OF GHANA | 374422AM5 | Debt | NUSS | GH | 762,300 | principal | $754K | 0.03% | 2 |
| Chicago Mercantile Exchange | — | Rate deriv. | OTHER | United States | 2,200,000 | OU | $745K | 0.03% | 2 |
| MNSN Holdings Increstricted | 55339C109 | Equity | CORP | United States | 8,724 | shares | $733K | 0.03% | 1 |
| OI S.A. | 67117EAG3 | Debt | CORP | Brazil | 68,637,143 | principal | $729K | 0.03% | 2 |
| FMC CORP | 302491BA2 | Debt | CORP | United States | 700,000 | principal | $729K | 0.03% | 2 |
| Westmoreland Coal Company | 96106JAE9 | Loan | CORP | United States | 1,262,790 | principal | $726K | 0.03% | 2 |
| CLOVER 2024 HOLDINGS INCrestricted | — | Equity | CORP | United States | 37,854 | shares | $726K | 0.03% | 3 |
| BNP Paribas SA | — | FX deriv. | OTHER | United States | 4 | contracts | $724K | 0.03% | 2 |
| Fannie Mae | 3136BAQ23 | MBS | USGSE | United States | 3,130,250 | principal | $721K | 0.03% | 2 |
| URSA RE II LTD | 91734PAK2 | Debt | CORP | Bermuda | 700,000 | principal | $720K | 0.03% | 2 |
| NGD HOLDINGS BV | XS2342932576 | Debt | CORP | Netherlands | 734,183 | principal | $719K | 0.03% | 2 |
| PRP Advisors, LLC | 74449DAA3 | MBS | CORP | United States | 715,613 | principal | $716K | 0.03% | 2 |
| Residential Funding Mtg Sec I | 74958WAC0 | MBS | CORP | United States | 1,218,425 | principal | $713K | 0.03% | 2 |
| Citimortgage Alternative Loan Trust | 12566VAE2 | MBS | CORP | United States | 778,308 | principal | $712K | 0.03% | 2 |
| TITULOS DE TESORERIA | COL17CT03938 | Debt | NUSS | Colombia | 2,481,800,000 | principal | $704K | 0.03% | 2 |
| HYBAR LLC | 44861JAA2 | Debt | CORP | United States | 700,000 | principal | $704K | 0.03% | 2 |
| LONG POINT RE IV LTD | 54279PAB1 | Debt | CORP | Bermuda | 700,000 | principal | $700K | 0.03% | 2 |
| SMB Private Education Loan Trust | 78448R106 | ABS | CORP | United States | 2,737 | principal | $687K | 0.03% | 3 |
| Asset Backed Securities Corp Home Equity Ln Trst | 04541GUR1 | MBS | CORP | United States | 700,000 | principal | $683K | 0.03% | 2 |
| EGYPT TREASURY BILL | EGT9980KAQ10 | Short-term inv. | NUSS | Egypt | 35,600,000 | principal | $677K | 0.03% | 2 |
| Belle Haven ABS CDO Ltd | 078452AA7 | CDO/CLO | CORP | Cayman Islands | 324,259,966 | principal | $676K | 0.03% | 2 |
| Suntrust Adjustable Rate Mortgage Loan Trust | 78473NAF0 | MBS | CORP | United States | 715,080 | principal | $666K | 0.03% | 2 |
| United States Treasury | 912797UV7 | Short-term inv. | UST | United States | 668,000 | principal | $664K | 0.03% | 2 |
| Residential Accredit Loans, Inc. | 74923WAC2 | MBS | CORP | United States | 790,464 | principal | $661K | 0.03% | 2 |
| GOLDEN BEAR RE LTD | 38090EAB6 | Debt | CORP | Bermuda | 650,000 | principal | $656K | 0.03% | 2 |
| Foresea Holding SA | 262051204 | Equity | CORP | Luxembourg | 28,527 | shares | $654K | 0.03% | 3 |
| Wachovia Mortgage Loan Trust, LLC | 92978EAC8 | MBS | CORP | United States | 2,037,977 | principal | $648K | 0.03% | 2 |
| First Franklin Mtg Loan Asset Backed Certificates | 36242DN74 | ABS | CORP | United States | 660,767 | principal | $646K | 0.03% | 2 |
| Newfold Digital Holdings Group Inc. | 65131PAD1 | Loan | CORP | United States | 1,489,454 | principal | $645K | 0.03% | 2 |
| Merrill Lynch Mortgage Investors Trust | 59020U5W1 | MBS | CORP | United States | 1,449,070 | principal | $641K | 0.03% | 2 |
| Fannie Mae - CAS | 20753XAJ3 | MBS | USGSE | United States | 600,000 | principal | $636K | 0.03% | 2 |
| Countrywide Alternative Loan Trust | 021482AJ3 | MBS | CORP | United States | 1,301,349 | principal | $631K | 0.03% | 2 |
| WAMU Mortgage Pass-Through Certificates | 92925VAM2 | MBS | CORP | United States | 690,350 | principal | $626K | 0.02% | 2 |
| FBR Securitization Trust | 30246QCS0 | ABS | CORP | United States | 1,000,000 | principal | $625K | 0.02% | 2 |
| WAMU Mortgage Pass-Through Certificates | 93364FAL5 | MBS | CORP | United States | 664,319 | principal | $621K | 0.02% | 2 |
| COX ASSET MEXICO SA CV | 22389AAB8 | Debt | CORP | Mexico | 600,000 | principal | $614K | 0.02% | 2 |
| F&G ANNUITIES & LIFE INC | 30190AAF1 | Debt | CORP | United States | 600,000 | principal | $613K | 0.02% | 2 |
| ADI ESCROW ISSUER LLC | 00092YAA2 | Debt | CORP | United States | 600,000 | principal | $612K | 0.02% | 2 |
| Greensky Home Improvement Issuer Trust | 39571MAF5 | ABS | CORP | United States | 604,406 | principal | $611K | 0.02% | 2 |
| GSAMP Trust | 3622MAAA9 | ABS | CORP | United States | 1,139,758 | principal | $606K | 0.02% | 2 |
| EAST LANE RE VII LTD | 27332EAC5 | Debt | CORP | Cayman Islands | 600,000 | principal | $603K | 0.02% | 2 |
| Countrywide Alternative Loan Trust | 12668ASY2 | MBS | CORP | United States | 1,174,238 | principal | $599K | 0.02% | 2 |
| Residential Asset Securitization Trust | 76114GAC1 | MBS | CORP | United States | 1,475,259 | principal | $593K | 0.02% | 2 |
| NPC UKRENERGO | XS2404309754 | Debt | CORP | Ukraine | 600,000 | principal | $585K | 0.02% | 2 |
| QUERCUS II RE DAC | XS3246279957 | Debt | CORP | Ireland | 500,000 | principal | $580K | 0.02% | 2 |
| Washington Mutual Mortgage Pass-Through CTFS | 93934FDF6 | MBS | CORP | United States | 710,312 | principal | $569K | 0.02% | 2 |
| LCH Ltd. | — | Rate deriv. | OTHER | United States | 28,110,000 | OU | $566K | 0.02% | 2 |
| Wells Fargo Bank NA | — | FX deriv. | OTHER | United States | 2 | contracts | $559K | 0.02% | 2 |
| FORESEA HOLDING SA | 262051AA3 | Debt | CORP | Luxembourg | 561,632 | principal | $555K | 0.02% | 2 |
| SANDERS RE III LTD | 80000XAC3 | Debt | CORP | Bermuda | 1,687,581 | principal | $554K | 0.02% | 2 |
| UKRAINE GOVERNMENT | 903724CD2 | Debt | NUSS | Ukraine | 765,671 | principal | $551K | 0.02% | 2 |
| Intercontinental Exchange, Inc. | US92332YAB74 | Credit deriv. | OTHER | United States | 4,700,000 | OU | $533K | 0.02% | 2 |
| Newfold Digital Holdings Group Inc. | 65131PAB5 | Loan | CORP | United States | 651,353 | principal | $529K | 0.02% | 2 |
| Fannie Mae - CAS | 20753YAL6 | MBS | USGSE | United States | 500,000 | principal | $528K | 0.02% | 2 |
| Countrywide Alternative Loan Trust | 12668BEL3 | MBS | CORP | United States | 676,845 | principal | $524K | 0.02% | 2 |
| New Century Home Equity Loan Trust | 64352VPA3 | ABS | CORP | United States | 573,357 | principal | $520K | 0.02% | 2 |
| TORREY PINES RE LTD | 89141WAH5 | Debt | CORP | Bermuda | 500,000 | principal | $514K | 0.02% | 2 |
| Paradigm Parent LLC | 69902BAB5 | Loan | CORP | United States | 595,500 | principal | $513K | 0.02% | 2 |
| ION PLATFORM FINANCE SAR | XS3194941202 | Debt | CORP | Luxembourg | 600,000 | principal | $512K | 0.02% | 2 |
| BDO USA, PC | — | Loan | CORP | United States | 515,126 | principal | $509K | 0.02% | 3 |
| COX ASSET MEXICO SA CV | 22389AAA0 | Debt | CORP | Mexico | 500,000 | principal | $508K | 0.02% | 2 |
| GAIA PURCHASER INC | 36276MAA0 | Debt | CORP | United States | 500,000 | principal | $506K | 0.02% | 2 |
| NATURE COAST RE LTD | 63901CAF8 | Debt | CORP | Bermuda | 500,000 | principal | $504K | 0.02% | 2 |
| EGYPT TREASURY BILL | EGT9980F9Q17 | Short-term inv. | NUSS | Egypt | 25,900,000 | principal | $504K | 0.02% | 2 |
| Merrill Lynch Mortgage Investors Trust | 59021AAC2 | ABS | CORP | United States | 1,253,239 | principal | $502K | 0.02% | 2 |
| BONANZA RE LTD | 09785EAR2 | Debt | CORP | Bermuda | 550,000 | principal | $501K | 0.02% | 2 |
| FPS Finance Co 1 LLC | — | Loan | CORP | United Kingdom | 500,000 | principal | $500K | 0.02% | 3 |
| Citigroup Mortgage Loan Trust Inc | 17307GQ27 | MBS | CORP | United States | 677,382 | principal | $500K | 0.02% | 2 |
| ARMOR RE II LTD | 04227FAH8 | Debt | CORP | Bermuda | 500,000 | principal | $498K | 0.02% | 2 |
| Adjustable Rate Mortgage Trust | 007034AQ4 | MBS | CORP | United States | 1,295,537 | principal | $496K | 0.02% | 2 |
| Wells Fargo Commercial Mortgage Trust | 95004QAA6 | MBS | CORP | United States | 500,000 | principal | $494K | 0.02% | 2 |
| Structured Adjustable Rate Mortgage Loan Trust | 863579UU0 | MBS | CORP | United States | 547,845 | principal | $484K | 0.02% | 2 |
| MASTR Asset Backed Securities Trust | 57643LHB5 | MBS | CORP | United States | 479,084 | principal | $474K | 0.02% | 2 |
| 123 LIGHTS RE LTD | 68302QAA2 | Debt | CORP | Bermuda | 450,000 | principal | $474K | 0.02% | 2 |
| Countrywide Alternative Loan Trust | 12668BMX8 | MBS | CORP | United States | 1,110,591 | principal | $471K | 0.02% | 2 |
| Colombia TES | — | Debt | CORP | United States | 1,717,000,000 | principal | $460K | 0.02% | 3 |
| GSR Mortgage Loan Trust | 362290AA6 | MBS | CORP | United States | 1,049,925 | principal | $459K | 0.02% | 2 |
| CS AT1 CLAIMS US225401AL29 | — | Debt | CORP | United States | 1,300,000 | principal | $458K | 0.02% | 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.