Thornburg Income Builder Opportunities Trust
Sponsor: Thornburg · Inception Jul 28, 2021 · Pays monthly
Market priceShare price
$20.42
-0.20% ($-0.04)
NAVAsset value per share
$22.69
as of Oct 14, 2026 · Nasdaq NAV symbol
Premium / discountPrice vs. assets
10.00% discount *
Indicative: latest price vs latest reported NAV
Distribution rate (price)Payout rate
6.12%
regular, annualised · on NAV 5.51%
Expense ratioAnnual cost
Not reported
no tagged fee table
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 24, 2026. 207 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.
Top 10 holdings
| # | Security | Type | Country | Weight | Value (USD) |
|---|---|---|---|---|---|
| 1 | Thornburg Capital Management Fund | Equity | United States | 6.72% | $49.5M |
| 2 | Orange SA | Equity | France | 5.09% | $37.5M |
| 3 | Taiwan Semiconductor Manufacturing Co Ltd | Equity | Taiwan | 4.29% | $31.6M |
| 4 | Samsung Electronics Co Ltd | Equity | South Korea | 3.41% | $25.1M |
| 5 | Enel SpA | Equity | Italy | 2.96% | $21.8M |
| 6 | Endesa SA | Equity | Spain | 2.86% | $21M |
| 7 | Cisco Systems Inc | Equity | United States | 2.78% | $20.4M |
| 8 | AT&T Inc | Equity | United States | 2.77% | $20.4M |
| 9 | Roche Holding AG | Equity | Switzerland | 2.74% | $20.2M |
| 10 | NN Group NV | Equity | Netherlands | 2.61% | $19.2M |
Asset class
| Asset class | % net assets | Value |
|---|---|---|
| Equity (common) | 74.26% | $547M |
| Mortgage-backed | 6.90% | $50.8M |
| ABS (other) | 3.23% | $23.8M |
| Debt | 14.53% | $107M |
| Equity (preferred) | 0.85% | $6.3M |
| Short-term investment vehicle | 0.27% | $2M |
| Structured note | 0.22% | $1.6M |
| Derivative (equity) | -0.27% | $-2M |
Country (top 12)
| Country (top 12) | % net assets | Value |
|---|---|---|
| France | 7.43% | $54.7M |
| Canada | 5.78% | $42.6M |
| Italy | 5.28% | $38.9M |
| United States | 45.02% | $331M |
| Taiwan | 4.68% | $34.5M |
| Netherlands | 4.55% | $33.5M |
| Germany | 4.06% | $29.9M |
| Switzerland | 3.65% | $26.9M |
| South Korea | 3.41% | $25.1M |
| United Kingdom | 3.04% | $22.4M |
| Spain | 2.86% | $21M |
| Cayman Islands | 1.69% | $12.4M |
Region
| Region | % net assets | Value |
|---|---|---|
| Asia ex-Japan | 8.73% | $64.2M |
| Canada | 5.78% | $42.6M |
| United States | 45.02% | $331M |
| Developed Europe | 32.95% | $242M |
| Offshore domiciles | 2.33% | $17.2M |
| Australia & New Zealand | 1.55% | $11.4M |
| Latin America | 1.15% | $8.4M |
| Japan | 1.11% | $8.2M |
| Other | 0.86% | $6.3M |
| Middle East | 0.53% | $3.9M |
| Emerging Europe | 0.00% | $0 |
Issuer type
| Issuer type | % net assets | Value |
|---|---|---|
| Corporate | 87.26% | $642M |
| Registered fund | 6.72% | $49.5M |
| U.S. GSE | 1.86% | $13.7M |
| U.S. Treasury | 1.82% | $13.4M |
| Non-U.S. sovereign | 0.88% | $6.5M |
| Other | 0.75% | $5.5M |
| U.S. government agency | 0.71% | $5.2M |
Fair-value level
| Fair-value level | % net assets | Value |
|---|---|---|
| Level 1 | 76.08% | $560M |
| Level 2 | 22.73% | $167M |
| Level 3 | 1.19% | $8.7M |
Level 3 = valued with unobservable inputs (typically private or illiquid).
Long / short
| Long / short | % net assets | Value |
|---|---|---|
| Long | 100.27% | $738M |
| N/A | -0.27% | $-2M |
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.
All 207 positions
| Security | Identifier | Type | Issuer | Country | Balance | Units | Value (USD) | Weight | FV level |
|---|---|---|---|---|---|---|---|---|---|
| Thornburg Capital Management Fund | 885216739 | Equity | RF | United States | 4,945,275 | shares | $49.5M | 6.72% | 1 |
| Orange SA | FR0000133308 | Equity | CORP | France | 1,986,323 | shares | $37.5M | 5.09% | 1 |
| Taiwan Semiconductor Manufacturing Co Ltd | 874039100 | Equity | CORP | Taiwan | 66,082 | shares | $31.6M | 4.29% | 1 |
| Samsung Electronics Co Ltd | KR7005930003 | Equity | CORP | South Korea | 116,407 | shares | $25.1M | 3.41% | 1 |
| Enel SpA | IT0003128367 | Equity | CORP | Italy | 1,897,635 | shares | $21.8M | 2.96% | 1 |
| Endesa SA | ES0130670112 | Equity | CORP | Spain | 461,554 | shares | $21M | 2.86% | 1 |
| Cisco Systems Inc | 17275R102 | Equity | CORP | United States | 174,100 | shares | $20.4M | 2.78% | 1 |
| AT&T Inc | 00206R102 | Equity | CORP | United States | 983,953 | shares | $20.4M | 2.77% | 1 |
| Roche Holding AG | CH1499059983 | Equity | CORP | Switzerland | 49,031 | shares | $20.2M | 2.74% | 1 |
| NN Group NV | NL0010773842 | Equity | CORP | Netherlands | 219,661 | shares | $19.2M | 2.61% | 1 |
| Snam SpA | IT0003153415 | Equity | CORP | Italy | 2,051,611 | shares | $14.8M | 2.01% | 1 |
| Enbridge Inc | 29250N105 | Equity | CORP | Canada | 250,870 | shares | $13.6M | 1.85% | 1 |
| Merck & Co Inc | 58933Y105 | Equity | CORP | United States | 98,411 | shares | $12.6M | 1.72% | 1 |
| BHP Group Ltd | AU000000BHP4 | Equity | CORP | Australia | 278,000 | shares | $11.4M | 1.55% | 1 |
| TotalEnergies SE | FR0000120271 | Equity | CORP | France | 145,132 | shares | $11.3M | 1.53% | 1 |
| E.ON SE | DE000ENAG999 | Equity | CORP | Germany | 546,538 | shares | $11.3M | 1.53% | 1 |
| CME Group Inc | 12572Q105 | Equity | CORP | United States | 49,000 | shares | $10.8M | 1.47% | 1 |
| Pfizer Inc | 717081103 | Equity | CORP | United States | 433,052 | shares | $10.4M | 1.42% | 1 |
| Regions Financial Corp | 7591EP100 | Equity | CORP | United States | 302,308 | shares | $9.1M | 1.24% | 1 |
| TC Energy Corp | 87807B107 | Equity | CORP | Canada | 132,373 | shares | $8.8M | 1.19% | 1 |
| Meta Platforms Inc | 30303M102 | Equity | CORP | United States | 15,200 | shares | $8.6M | 1.16% | 1 |
| Deutsche Post AG | DE0005552004 | Equity | CORP | Germany | 136,709 | shares | $8.3M | 1.13% | 1 |
| Medtronic PLC | IE00BTN1Y115 | Equity | CORP | Ireland | 103,257 | shares | $8.1M | 1.10% | 1 |
| MercadoLibre Inc | 58733R102 | Equity | CORP | United States | 4,300 | shares | $7.3M | 0.99% | 1 |
| Citigroup Inc | 172967424 | Equity | CORP | United States | 50,610 | shares | $7.1M | 0.96% | 1 |
| Shell PLC | GB00BP6MXD84 | Equity | CORP | United Kingdom | 173,200 | shares | $6.7M | 0.92% | 1 |
| Mercedes-Benz Group AG | DE0007100000 | Equity | CORP | Germany | 133,563 | shares | $6.7M | 0.91% | 1 |
| Tencent Holdings Ltd | KYG875721634 | Equity | CORP | Cayman Islands | 122,000 | shares | $6.7M | 0.91% | 1 |
| Novartis AG | CH0012005267 | Equity | CORP | Switzerland | 42,500 | shares | $6.7M | 0.90% | 1 |
| AbbVie Inc | 00287Y109 | Equity | CORP | United States | 25,123 | shares | $6.3M | 0.86% | 1 |
| Legal & General Group PLC | GB0005603997 | Equity | CORP | United Kingdom | 1,643,600 | shares | $6.2M | 0.85% | 1 |
| AXA SA | FR0000120628 | Equity | CORP | France | 119,288 | shares | $6M | 0.81% | 1 |
| ENBRIDGE INC | 29250NAS4 | Debt | CORP | Canada | 5,588,000 | principal | $5.6M | 0.76% | 2 |
| Keyence Corp | JP3236200006 | Equity | CORP | Japan | 11,000 | shares | $5.5M | 0.75% | 1 |
| FAIR ISAAC CORP | 303250AF1 | Debt | CORP | United States | 5,000,000 | principal | $4.9M | 0.66% | 2 |
| Telkom Indonesia Persero Tbk PT | ID1000129000 | Equity | CORP | Indonesia | 35,602,900 | shares | $4.7M | 0.64% | 1 |
| Vodafone Group PLC | GB00BH4HKS39 | Equity | CORP | United Kingdom | 3,450,000 | shares | $4.6M | 0.62% | 1 |
| South Bow Corp | 83671M105 | Equity | CORP | Canada | 125,957 | shares | $4.4M | 0.60% | 1 |
| LyondellBasell Industries NV | NL0009434992 | Equity | CORP | Netherlands | 82,904 | shares | $4.4M | 0.59% | 1 |
| Capital Power Corp | 14042M102 | Equity | CORP | Canada | 82,619 | shares | $4.3M | 0.59% | 1 |
| Microsoft Corp | 594918104 | Equity | CORP | United States | 10,700 | shares | $4M | 0.54% | 1 |
| FIRSTCASH INC | 33767DAD7 | Debt | CORP | United States | 3,750,000 | principal | $3.9M | 0.52% | 2 |
| United States Treasury | 912834KP2 | Debt | UST | United States | 8,000,000 | principal | $3.8M | 0.51% | 1 |
| GABELLI DVD & INC TR | 36242H872 | Preferred | CORP | United States | 152 | shares | $3.7M | 0.50% | 3 |
| COBANK ACB | 19075QAC6 | Debt | USGA | United States | 3,500,000 | principal | $3.5M | 0.48% | 2 |
| Glencore PLC | JE00B4T3BW64 | Equity | CORP | Jersey | 475,000 | shares | $3.2M | 0.44% | 1 |
| TransDigm Group Inc | 893641100 | Equity | CORP | United States | 2,425 | shares | $3.2M | 0.44% | 1 |
| TENET HEALTHCARE CORP | 88033GDU1 | Debt | CORP | United States | 3,000,000 | principal | $3.1M | 0.42% | 2 |
| DOMINICAN REPUBLIC | 25714PFA1 | Debt | NUSS | DO | 170,000,000 | principal | $3.1M | 0.42% | 2 |
| SCIENCE APPLICATIONS INT | 808625AA5 | Debt | CORP | United States | 3,000,000 | principal | $3M | 0.40% | 2 |
| United States Treasury | 912810UH9 | Debt | UST | United States | 3,165,210 | principal | $2.9M | 0.40% | 1 |
| Realtek Semiconductor Corp | TW0002379005 | Equity | CORP | Taiwan | 115,000 | shares | $2.9M | 0.40% | 1 |
| IRON MOUNTAIN INFO MGMT | 46285MAA8 | Debt | OTHER | United States | 3,000,000 | principal | $2.9M | 0.39% | 2 |
| Open Text Corp | 683715106 | Equity | CORP | Canada | 128,100 | shares | $2.8M | 0.39% | 1 |
| NUSTAR LOGISTICS LP | 67059TAE5 | Debt | CORP | United States | 2,800,000 | principal | $2.8M | 0.38% | 2 |
| BACARDI LTD | 067316AG4 | Debt | CORP | Bermuda | 3,000,000 | principal | $2.8M | 0.38% | 2 |
| Freddie Mac | 3132DWMS9 | MBS | USGSE | United States | 2,749,989 | principal | $2.8M | 0.38% | 2 |
| LIFESTORAGE LP | 84610WAB1 | Debt | OTHER | United States | 2,750,000 | principal | $2.8M | 0.37% | 2 |
| Sony Group Corp | 835699307 | Equity | CORP | Japan | 133,125 | shares | $2.7M | 0.36% | 1 |
| Mondi PLC | GB00BMWC6P49 | Equity | CORP | United Kingdom | 290,908 | shares | $2.6M | 0.36% | 1 |
| Reckitt Benckiser Group PLC | GB00BSZBP530 | Equity | CORP | United Kingdom | 40,417 | shares | $2.6M | 0.36% | 1 |
| CALAMOS STRATEGIC TOTAL RETURN | — | Preferred | CORP | United States | 106,000 | shares | $2.6M | 0.36% | 3 |
| Freddie Mac | 31288QTU4 | MBS | USGSE | United States | 2,832,037 | principal | $2.6M | 0.35% | 2 |
| PETROLEOS MEXICANOS | 71654QCC4 | Debt | CORP | Mexico | 3,000,000 | principal | $2.6M | 0.35% | 2 |
| SIRIUS XM RADIO LLC | 82967NBC1 | Debt | CORP | United States | 2,500,000 | principal | $2.5M | 0.34% | 2 |
| ASP WHCO PARTN 2025 2 LP | 00218YAA1 | ABS | CORP | Cayman Islands | 2,500,000 | principal | $2.5M | 0.34% | 2 |
| BOOZ ALLEN HAMILTON INC | 09951LAD5 | Debt | CORP | United States | 2,500,000 | principal | $2.5M | 0.34% | 2 |
| ServiceNow Inc | 81762P102 | Equity | CORP | United States | 25,000 | shares | $2.5M | 0.34% | 1 |
| BANK OF NY MELLON CORP | 064058AL4 | Debt | CORP | United States | 2,500,000 | principal | $2.5M | 0.34% | 2 |
| Pretium Mortgage Credit Partners LLC | 69384KAA4 | ABS | CORP | United States | 2,456,292 | principal | $2.5M | 0.33% | 2 |
| Alibaba Group Holding Ltd | KYG017191142 | Equity | CORP | Cayman Islands | 202,000 | shares | $2.4M | 0.32% | 1 |
| Freddie Mac | 3132DWJS3 | MBS | USGSE | United States | 2,269,623 | principal | $2.3M | 0.32% | 2 |
| META PLATFORMS INC | 30303MAK8 | Debt | CORP | United States | 2,326,000 | principal | $2.3M | 0.31% | 2 |
| Credit Suisse Mortgage Trust | 12659FAD7 | MBS | CORP | United States | 3,000,000 | principal | $2.3M | 0.31% | 2 |
| FIN DEPT GOVT SHARJAH | 38381CAB8 | Debt | NUSS | United Arab Emirates | 3,500,000 | principal | $2.3M | 0.31% | 2 |
| Generali | IT0000062072 | Equity | CORP | Italy | 46,287 | shares | $2.3M | 0.31% | 1 |
| Bristol-Myers Squibb Co | 110122108 | Equity | CORP | United States | 38,400 | shares | $2.2M | 0.30% | 1 |
| BECLE SA DE CV | 07586PAA9 | Debt | CORP | Mexico | 2,500,000 | principal | $2.1M | 0.29% | 2 |
| Fannie Mae | 3140QMN83 | MBS | USGSE | United States | 2,204,573 | principal | $2.1M | 0.29% | 2 |
| SAP SE | 803054204 | Equity | CORP | Germany | 13,700 | shares | $2.1M | 0.29% | 1 |
| PROSUS NV | 74365PAD0 | Debt | CORP | Netherlands | 3,000,000 | principal | $2.1M | 0.29% | 2 |
| Deutsche Telekom AG | DE0005557508 | Equity | CORP | Germany | 77,000 | shares | $2.1M | 0.29% | 1 |
| ANGLOGOLD HOLDINGS PLC | 03512TAB7 | Debt | CORP | IM | 2,000,000 | principal | $2.1M | 0.29% | 2 |
| United States Treasury | 912834MT2 | Debt | UST | United States | 5,000,000 | principal | $2.1M | 0.28% | 1 |
| GEO GROUP INC/THE | 36162JAG1 | Debt | CORP | United States | 2,000,000 | principal | $2.1M | 0.28% | 2 |
| Continental Finance Credit Credit Card ABS Master Trust | 66981PAT5 | ABS | CORP | United States | 2,000,000 | principal | $2M | 0.28% | 2 |
| GLS Auto Receivables Trust | 36265NAF0 | ABS | CORP | United States | 2,000,000 | principal | $2M | 0.27% | 2 |
| SENSATA TECHNOLOGIES BV | 81725WAL7 | Debt | CORP | Netherlands | 2,000,000 | principal | $2M | 0.27% | 2 |
| ANTARES HOLDINGS | 03666HAC5 | Debt | CORP | United States | 2,000,000 | principal | $2M | 0.27% | 2 |
| SUNOCO LP/FINANCE CORP | 86765LAN7 | Debt | CORP | United States | 2,000,000 | principal | $2M | 0.27% | 2 |
| Shopify Inc | 82509L107 | Equity | CORP | Canada | 17,500 | shares | $2M | 0.27% | 1 |
| Morgan Stanley Capital I Trust | 61776EAA1 | MBS | CORP | United States | 1,912,594 | principal | $2M | 0.27% | 2 |
| SPACE EXPLORATION TECH | 84615QAC7 | Debt | CORP | United States | 2,000,000 | principal | $2M | 0.27% | 2 |
| BX Trust | 05616HAA5 | MBS | CORP | United States | 2,000,000 | principal | $2M | 0.27% | 2 |
| B&M European Value Retail plc | JE00BVSYJW51 | Equity | CORP | Jersey | 767,245 | shares | $2M | 0.27% | 1 |
| Fortiva Retail Credit Master Note Business Trust | 34962AAZ5 | ABS | CORP | United States | 2,000,000 | principal | $2M | 0.27% | 2 |
| INDUSTRIALIZADORA INTEGRAL DEL | 45646HAA5 | Debt | CORP | Mexico | 2,000,000 | principal | $2M | 0.27% | 3 |
| Oracle Corp | 6840C3K28 | Short-term inv. | CORP | United States | 2,000,000 | principal | $2M | 0.27% | 2 |
| CNTL AMR BOTTLING CORP | 15239XAA6 | Debt | CORP | British Virgin Islands | 2,000,000 | principal | $2M | 0.27% | 2 |
| AES ESPANA BV | 00109YAA3 | Debt | CORP | Netherlands | 2,000,000 | principal | $2M | 0.27% | 2 |
| CORECIVIC INC | 21871NAC5 | Debt | CORP | United States | 1,867,000 | principal | $1.9M | 0.26% | 2 |
| Fannie Mae | 31418FT64 | MBS | USGSE | United States | 1,903,824 | principal | $1.9M | 0.26% | 2 |
| NMLT Trust | 62917MAF0 | MBS | CORP | United States | 3,000,000 | principal | $1.9M | 0.26% | 2 |
| Vend Marketplaces ASA | NO0010736879 | Equity | CORP | Norway | 78,389 | shares | $1.9M | 0.26% | 1 |
| Chimera Investment Corp | 16934Q802 | Equity | OTHER | United States | 140,215 | shares | $1.9M | 0.25% | 1 |
| Credit Suisse Mortgage Trust | 12659XAA4 | MBS | CORP | United States | 1,849,057 | principal | $1.8M | 0.25% | 2 |
| REMIC FUNDING TRUST 98-1 | 749433AA6 | MBS | CORP | United States | 1,802,878 | principal | $1.8M | 0.25% | 2 |
| CCO HLDGS LLC/CAP CORP | 1248EPCN1 | Debt | CORP | United States | 2,000,000 | principal | $1.8M | 0.24% | 2 |
| COMISION FEDERAL DE ELECrestricted | XS1505143393 | Debt | CORP | Mexico | 1,866,000 | principal | $1.7M | 0.24% | 2 |
| Government National Mortgage Association | 38381ND39 | MBS | USGA | United States | 1,740,165 | principal | $1.7M | 0.24% | 2 |
| KKR REIGN I LTD | 49836MAA6 | Structured note | CORP | United States | 3,500,000 | principal | $1.6M | 0.22% | 2 |
| Fertiglobe plc | AEF000901015 | Equity | CORP | United Arab Emirates | 2,137,000 | shares | $1.6M | 0.22% | 1 |
| Stellantis NV | NL00150001Q9 | Equity | CORP | Netherlands | 278,210 | shares | $1.6M | 0.22% | 1 |
| Towd Point Mortgage Trust | 89183DAA1 | MBS | CORP | United States | 1,852,208 | principal | $1.6M | 0.22% | 2 |
| Fat Brands Fazoli's Native I, LLC | 31200BAA6 | ABS | CORP | United States | 2,412,001 | principal | $1.6M | 0.22% | 2 |
| Sequoia Mortgage Trust | 81748CAA8 | MBS | CORP | United States | 1,923,892 | principal | $1.6M | 0.22% | 2 |
| NRZ Excess Spread Collateralized Notes | 64832EAA7 | MBS | CORP | United States | 1,583,195 | principal | $1.6M | 0.21% | 2 |
| Harvest SBA Loan Trust | 41756NAA7 | ABS | CORP | United States | 1,558,953 | principal | $1.6M | 0.21% | 2 |
| SLR Investment Corp | 83413U100 | Equity | CORP | United States | 125,067 | shares | $1.5M | 0.21% | 1 |
| KEHE DIST/FIN / NEXTWAVE | 487526AC9 | Debt | CORP | United States | 1,408,000 | principal | $1.5M | 0.20% | 2 |
| United States Treasury | 912834VV7 | Debt | UST | United States | 5,000,000 | principal | $1.5M | 0.20% | 1 |
| Barclays Mortgage Loan Trust | 06745CAA8 | MBS | CORP | United States | 1,451,548 | principal | $1.5M | 0.20% | 2 |
| STILLWATER MINING CO | 86074QAQ5 | Debt | CORP | United States | 1,500,000 | principal | $1.4M | 0.20% | 2 |
| United States Treasury | 912834DV7 | Debt | UST | United States | 2,500,000 | principal | $1.4M | 0.18% | 1 |
| PRP Advisors, LLC | 69382GAA5 | MBS | CORP | United States | 1,323,993 | principal | $1.3M | 0.18% | 2 |
| COMCAST HOLDINGS CORP | 200300507 | Debt | CORP | United States | 2,100,000 | principal | $1.3M | 0.18% | 2 |
| Barclays Mortgage Loan Trust | 06744JAA4 | ABS | CORP | United States | 1,302,552 | principal | $1.3M | 0.18% | 2 |
| OCI NV | NL0010558797 | Equity | CORP | Netherlands | 279,469 | shares | $1.3M | 0.17% | 1 |
| Mosaic Solar Loans LLC | 61946LAD4 | ABS | CORP | United States | 1,480,486 | principal | $1.3M | 0.17% | 2 |
| Barclays Mortgage Loan Trust | 06744YAC7 | MBS | CORP | United States | 1,250,302 | principal | $1.2M | 0.16% | 2 |
| CCO HLDGS LLC/CAP CORP | 1248EPCJ0 | Debt | CORP | United States | 1,357,000 | principal | $1.2M | 0.16% | 2 |
| MFRA Trust | 58004YAA7 | MBS | CORP | United States | 1,189,230 | principal | $1.2M | 0.16% | 2 |
| United States Treasury | 912803HS5 | Debt | UST | United States | 5,000,000 | principal | $1.2M | 0.16% | 1 |
| UZBEKISTAN INTL BOND | 91824PAD9 | Debt | NUSS | UZ | 13,000,000,000 | principal | $1.2M | 0.16% | 2 |
| Credit Suisse Mortgage Trust | 12663DAE4 | MBS | CORP | United States | 1,142,161 | principal | $1.1M | 0.15% | 2 |
| Starwood Mortgage Residential Trust | 85573RAF5 | MBS | CORP | United States | 1,500,000 | principal | $1.1M | 0.15% | 2 |
| New Residential Mortgage Loan Trust | 64829WAL8 | MBS | CORP | United States | 27,356,200 | principal | $1.1M | 0.15% | 2 |
| SFO Commerical Mortgage Trust | 78432WAA1 | MBS | CORP | United States | 1,043,000 | principal | $1M | 0.14% | 2 |
| National Collegiate Student Loan Trust | 63543LAD7 | ABS | CORP | United States | 1,065,243 | principal | $1M | 0.14% | 2 |
| OPEN TEXT CORP | 683715AF3 | Debt | CORP | Canada | 1,000,000 | principal | $1M | 0.14% | 2 |
| PEPSICO INC | 713448EE4 | Debt | CORP | United States | 1,000,000 | principal | $1M | 0.14% | 2 |
| ENERGY TRANSFER LP | 29273VAN0 | Debt | CORP | United States | 1,000,000 | principal | $1M | 0.14% | 2 |
| DUKE ENERGY CORP | 26441CBP9 | Debt | CORP | United States | 1,000,000 | principal | $985K | 0.13% | 2 |
| Adyen NVrestricted | NL0012969182 | Equity | CORP | Netherlands | 1,025 | shares | $961K | 0.13% | 1 |
| JP Morgan Mortgage Trust | 46656RAN0 | MBS | CORP | United States | 962,230 | principal | $958K | 0.13% | 2 |
| Sequoia Mortgage Trust | 816943BF0 | MBS | CORP | United States | 873,210 | principal | $886K | 0.12% | 2 |
| Carvana Auto Receivables Trust | 14687HAF0 | ABS | CORP | United States | 859,978 | principal | $846K | 0.11% | 2 |
| Sea Ltd | 81141R100 | Equity | CORP | Cayman Islands | 8,695 | shares | $833K | 0.11% | 1 |
| Mello Mortgage Capital Acceptance Trust | 58549XBZ5 | MBS | CORP | United States | 1,436,977 | principal | $797K | 0.11% | 2 |
| SKY1 Trust | 830941AA8 | MBS | CORP | United States | 793,100 | principal | $797K | 0.11% | 2 |
| CD&R SMOKEY / RADIO SYS | 12515KAA6 | Debt | CORP | United States | 1,500,000 | principal | $795K | 0.11% | 2 |
| Fannie Mae | 31418EW48 | MBS | USGSE | United States | 774,603 | principal | $793K | 0.11% | 2 |
| LP LMS 2021-2 Asset Securitization Trust | 50214JAD7 | ABS | CORP | United States | 946,144 | principal | $709K | 0.10% | 2 |
| MFRA Trust | 55284TAC1 | MBS | CORP | United States | 750,000 | principal | $698K | 0.09% | 2 |
| Wells Fargo Mortgage Backed Securities Trust | 95003KAX0 | MBS | CORP | United States | 22,888,301 | principal | $665K | 0.09% | 2 |
| Carvana Auto Receivables Trust | 14688DAM3 | ABS | CORP | United States | 3,000 | principal | $652K | 0.09% | 2 |
| CUSHMAN & WAKEFIELD US | 23166MAA1 | Debt | CORP | United States | 615,000 | principal | $616K | 0.08% | 2 |
| United States Treasury | 91282CDW8 | Debt | UST | United States | 619,000 | principal | $583K | 0.08% | 1 |
| Cogent IPv4 LLC | 19240JAA6 | ABS | CORP | United States | 567,000 | principal | $580K | 0.08% | 2 |
| JP Morgan Mortgage Trust | 46654KCG0 | MBS | CORP | United States | 668,881 | principal | $523K | 0.07% | 2 |
| SUNOCO LP | 86765KAE9 | Debt | CORP | United States | 500,000 | principal | $520K | 0.07% | 2 |
| Goldman Home Improvement Trust Issuer Trust | 38149XAE9 | ABS | CORP | United States | 12,500 | principal | $474K | 0.06% | 3 |
| ACCO BRANDS CORP | 00081TAK4 | Debt | CORP | United States | 500,000 | principal | $465K | 0.06% | 2 |
| Aqua Finance Trust | 038413AD2 | ABS | CORP | United States | 444,165 | principal | $445K | 0.06% | 2 |
| Upstart Securitization Trust | 91679AAC0 | ABS | CORP | United States | 433,115 | principal | $437K | 0.06% | 2 |
| JP Morgan Mortgage Trust | 46654KCH8 | MBS | CORP | United States | 793,605 | principal | $403K | 0.05% | 2 |
| Wells Fargo Mortgage Backed Securities Trust | 95003KBL5 | MBS | CORP | United States | 472,456 | principal | $398K | 0.05% | 2 |
| Mosaic Solar Loans LLC | 61946TAE5 | ABS | CORP | United States | 8,500,000 | principal | $391K | 0.05% | 2 |
| New Residential Mortgage Loan Trust | 64829WBB9 | MBS | CORP | United States | 607,754 | principal | $381K | 0.05% | 2 |
| GCAT | 36167AAA8 | MBS | CORP | United States | 404,028 | principal | $379K | 0.05% | 2 |
| BOF URSA FUNDING | 097093AB4 | ABS | CORP | United States | 374,957 | principal | $379K | 0.05% | 2 |
| Fannie Mae | 3140JP5N1 | MBS | USGSE | United States | 348,075 | principal | $358K | 0.05% | 2 |
| Mello Mortgage Capital Acceptance Trust | 58549XBQ5 | MBS | CORP | United States | 84,967,613 | principal | $345K | 0.05% | 2 |
| United Auto Credit Securitization Trust | 90944DAL5 | ABS | CORP | United States | 6,000 | principal | $314K | 0.04% | 2 |
| Wells Fargo Mortgage Backed Securities Trust | 95003KBM3 | MBS | CORP | United States | 373,465 | principal | $305K | 0.04% | 2 |
| New Residential Mortgage Loan Trust | 64829WBA1 | MBS | CORP | United States | 338,716 | principal | $281K | 0.04% | 2 |
| Fannie Mae | 3140JP5P6 | MBS | USGSE | United States | 263,599 | principal | $271K | 0.04% | 2 |
| Freddie Mac | 31342WA43 | MBS | USGSE | United States | 262,580 | principal | $259K | 0.04% | 2 |
| Marlette Funding Trust | 57108Q103 | ABS | CORP | United States | 14,510 | principal | $239K | 0.03% | 2 |
| Mello Mortgage Capital Acceptance Trust | 58549XBT9 | MBS | CORP | United States | 5,821,829 | principal | $238K | 0.03% | 2 |
| Mello Mortgage Capital Acceptance Trust | 58549XBY8 | MBS | CORP | United States | 294,946 | principal | $236K | 0.03% | 2 |
| Mello Mortgage Capital Acceptance Trust | 585491BZ5 | MBS | CORP | United States | 394,979 | principal | $227K | 0.03% | 2 |
| Fannie Mae | 3140H54H1 | MBS | USGSE | United States | 225,526 | principal | $224K | 0.03% | 2 |
| Carvana Auto Receivables Trust | 14687JAB5 | ABS | CORP | United States | 2,500 | principal | $217K | 0.03% | 2 |
| Citigroup Mortgage Loan Trust Inc | 17330BDP2 | MBS | CORP | United States | 350,000 | principal | $195K | 0.03% | 2 |
| Wells Fargo Mortgage Backed Securities Trust | 95003KBN1 | MBS | CORP | United States | 289,276 | principal | $144K | 0.02% | 2 |
| Mello Mortgage Capital Acceptance Trust | 585491BQ5 | MBS | CORP | United States | 22,499,911 | principal | $137K | 0.02% | 2 |
| Affirm Inc | 00834KAD9 | ABS | CORP | United States | 125,834 | principal | $126K | 0.02% | 2 |
| Upstart Pass Through Trust | 91683LAB2 | ABS | CORP | United States | 3,000,000 | principal | $105K | 0.01% | 2 |
| Fannie Mae | 3140K7V26 | MBS | USGSE | United States | 96,935 | principal | $99.9K | 0.01% | 2 |
| Citigroup Mortgage Loan Trust Inc | 17330BDR8 | MBS | CORP | United States | 194,288 | principal | $81.1K | 0.01% | 2 |
| Upstart Pass Through Trust | 91683KAB4 | ABS | CORP | United States | 3,000,000 | principal | $77.8K | 0.01% | 2 |
| Mello Mortgage Capital Acceptance Trust | 585491BY8 | MBS | CORP | United States | 89,275 | principal | $70.7K | 0.01% | 2 |
| Carvana Auto Receivables Trust | 14688DAK7 | ABS | CORP | United States | 20,702,889 | principal | $51.1K | 0.01% | 2 |
| Mello Mortgage Capital Acceptance Trust | 585491BT9 | MBS | CORP | United States | 1,826,291 | principal | $50.8K | 0.01% | 2 |
| State Street Bank & Trust Co. | — | Short-term inv. | CORP | United States | 916 | principal | $916 | 0.00% | 2 |
| Severstal PAOrestricted | 818150302 | Equity | CORP | Russia | 236,300 | shares | $0 | 0.00% | 3 |
| GMK Norilskiy Nickel PAO | RU0007288411 | Equity | CORP | Russia | 3,070,000 | shares | $0 | 0.00% | 3 |
| JPMorgan Chase Bank NA | — | Equity deriv. | OTHER | Germany | -116,600 | contracts | $-554K | -0.08% | 2 |
| Bank of America NA | — | Equity deriv. | OTHER | United Kingdom | -9,100 | contracts | $-406K | -0.06% | 2 |
| Goldman Sachs & Co. LLC | — | Equity deriv. | OTHER | United States | -115,900 | contracts | $-297K | -0.04% | 2 |
| Goldman Sachs & Co. LLC | — | Equity deriv. | OTHER | United States | -11,100 | contracts | $-222K | -0.03% | 2 |
| Goldman Sachs & Co. LLC | — | Equity deriv. | OTHER | United States | -20,200 | contracts | $-152K | -0.02% | 2 |
| Goldman Sachs & Co. LLC | — | Equity deriv. | OTHER | United States | -23,300 | contracts | $-146K | -0.02% | 2 |
| Goldman Sachs & Co. LLC | — | Equity deriv. | OTHER | United States | -7,000 | contracts | $-112K | -0.02% | 2 |
| Goldman Sachs & Co. LLC | — | Equity deriv. | OTHER | United States | -7,400 | contracts | $-57.7K | -0.01% | 2 |
| Goldman Sachs & Co. LLC | — | Equity deriv. | OTHER | United States | -10,600 | contracts | $-40K | -0.01% | 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 24, 2026 | 207 | 100.0% | $736M | full |
| Mar 31, 2026 | May 26, 2026 | 197 | 100.0% | $722M | full |
| Dec 31, 2025 | Feb 20, 2026 | 194 | 100.0% | $691M | full |
Net assets here are calculated from position values ÷ reported weights (median across positions), not a reported figure.
CEF Explorer research page for Thornburg Income Builder Opportunities Trust. Figures carry their own dates and sources; a discount to NAV does not guarantee convergence or any return. This is not investment advice.