Star Bulk CarriersSBLK
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 174 institutions reported holding Star Bulk Carriers Corp. (SBLK) in their 13F filings, up 9 from Q3 2025. 31 opened new positions and 28 sold out. The largest holders were Alliancebernstein L.P. ($112.1M), Ameriprise Financial Inc. ($41.3M) and Oaktree Capital Management ($37.7M). 7 famous investors held it, including Howard Marks (0.8% of Oaktree Capital Management's portfolio), Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio) and Ray Dalio (0.0% of Bridgewater Associates's portfolio).
- Company
- Star Bulk Carriers Corp.
- CUSIP
- Y8162K204
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $67.9M |
| Exits | 28 | $13.0M |
All 13F filers, Q3 2025 → Q4 2025: 7,700,950 shares bought and 5,276,516 shares sold, net +2,424,434 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 174 holders
| Alliancebernstein L.P. | 0.04% | Add +7.1% | 5,832,805 | $112.1M |
| Ameriprise Financial Inc. | 0.01% | Reduce -0.9% | 2,146,631 | $41.3M |
| Oaktree Capital Management | 0.83% | No change | 1,962,892 | $37.7M |
| Renaissance Technologies | 0.05% | Reduce -5.3% | 1,830,389 | $35.2M |
| Philosophy Capital Management LLC | 3.71% | Add +13.8% | 1,650,000 | $31.7M |
| Morgan Stanley | 0.00% | Reduce -4.8% | 1,094,404 | $21.0M |
| Focus Partners Wealth | 0.02% | Add +4.3% | 1,041,252 | $19.4M |
| UBS Group AG | 0.00% | Reduce -49.4% | 915,978 | $17.6M |
| Millennium Management | 0.01% | Add +1018.5% | 887,056 | $17.0M |
| Boston Partners | 0.02% | Add +424.7% | 843,098 | $16.2M |
| DNB Asset Management AS | 0.05% | Reduce -1.1% | 817,099 | $15.7M |
| Point72 Asset Management | 0.03% | New | 807,152 | $15.5M |
| Allianz Asset Management GmbH | 0.02% | Add +17.4% | 766,774 | $14.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +46.4% | 635,394 | $12.2M |
| Bridgewater Associates | 0.04% | Add +670.5% | 604,686 | $11.6M |
| Fearnley Asset Management As | 5.09% | — | 577,316 | $11.1M |
| Two Sigma Investments, LP | 0.02% | New | 562,400 | $10.8M |
| Susquehanna International Group, LLP | 0.01% | Add +16.3% | 489,010 | $9.4M |
| Jump Financial, LLC | 0.12% | New | 476,101 | $9.2M |
| Franklin Resources Inc. | 0.00% | Add +19.0% | 463,275 | $8.9M |
| Vanguard Group Inc. | 0.00% | Add +2.6% | 441,631 | $8.5M |
| Bank of America Corp. | 0.00% | Add +22.3% | 380,725 | $7.3M |
| Marnell Management LLC | 5.28% | — | 361,191 | $6.9M |
| Valueworks LLC | 1.81% | Reduce -0.8% | 358,588 | $6.9M |
| Jane Street Group, LLC | 0.01% | Add +2169.5% | 357,602 | $6.9M |
| FIL Ltd | 0.01% | New | 345,040 | $6.6M |
| Armor Advisors, L.L.C. | 6.61% | No change | 328,390 | $6.3M |
| Russell Investments Group, Ltd. | 0.01% | Add +42.3% | 258,573 | $5.0M |
| Two Sigma Advisers, LP | 0.01% | New | 233,800 | $4.5M |
| Group One Trading LLC | 0.13% | Add +21.8% | 221,973 | $4.3M |
| JPMorgan Chase & Co. | 0.00% | Add +111.4% | 210,240 | $4.0M |
| Manatuck Hill Partners, LLC | 1.37% | Add +117.3% | 203,800 | $3.9M |
| Voloridge Investment Management, LLC | 0.01% | New | 198,109 | $3.8M |
| Impala Asset Management LLC | 2.02% | Add +39.2% | 167,000 | $3.2M |
| BlackRock, Inc. | 0.00% | Reduce -93.1% | 162,967 | $3.1M |
| ExodusPoint Capital Management, LP | 0.03% | Reduce -34.3% | 158,344 | $3.0M |
| LPL Financial LLC | 0.00% | Reduce -7.6% | 154,077 | $3.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -76.7% | 150,238 | $2.9M |
| KLP Kapitalforvaltning As | 0.01% | New | 150,000 | $2.9M |
| Verition Fund Management LLC | 0.02% | Add +73.3% | 143,701 | $2.8M |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -28.7% | 138,275 | $2.7M |
| Deutsche Bank AG | 0.00% | New | 136,199 | $2.6M |
| XTX Topco Ltd | 0.07% | New | 130,336 | $2.5M |
| State Street Corp. | 0.00% | Add +0.8% | 127,769 | $2.5M |
| Relyea Zuckerberg Hanson LLC | 0.24% | No change | 125,377 | $2.4M |
| Credit Agricole S A | 0.01% | Add +57.2% | 120,600 | $2.3M |
| Capital Advisory Group Advisory Services, LLC | 0.66% | Reduce -1.0% | 116,870 | $2.2M |
| CFM Wealth Partners LLC | 0.31% | No change | 112,601 | $2.2M |
| D. E. Shaw & Co. | 0.00% | New | 99,141 | $1.9M |
| Mraz, Amerine & Associates, Inc. | 0.28% | Reduce -1.6% | 98,101 | $1.9M |
| Marshall Wace, LLP | 0.00% | New | 95,905 | $1.8M |
| Pathstone Holdings, LLC | 0.01% | Add +25.1% | 89,312 | $1.7M |
| RBF Capital, LLC | 0.07% | Reduce -4.4% | 85,000 | $1.6M |
| Buckland Partners Management Co LLC | 0.90% | — | 84,590 | $1.6M |
| Stifel Financial Corp. | 0.00% | Reduce -17.0% | 83,481 | $1.6M |
| Northern Trust Corp. | 0.00% | Reduce -1.1% | 77,194 | $1.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 63,097 | $1.2M |
| Raymond James Financial Inc. | 0.00% | Add +99.5% | 56,813 | $1.1M |
| Dakota Wealth Management | 0.02% | Reduce -7.9% | 56,309 | $1.1M |
| Raiffeisen Bank International AG | 0.01% | Reduce -11.2% | 56,090 | $1.1M |
| Capital Fund Management S.A. | 0.01% | Add +15.1% | 54,292 | $1.0M |
| Marex Group Ltd | 0.01% | Add +337.2% | 51,954 | $999K |
| Horizon Kinetics Asset Management LLC | 0.01% | Reduce -2.4% | 50,701 | $974K |
| Osaic Holdings, Inc. | 0.00% | Reduce -36.7% | 50,182 | $965K |
| Tidal Investments LLC | 0.00% | Reduce -19.9% | 46,216 | $888K |
| HRT Financial LP | 0.00% | New | 44,696 | $859K |
| MQS Management LLC | 0.46% | Add +73.1% | 40,620 | $781K |
| BNP Paribas Financial Markets | 0.00% | Reduce -20.8% | 39,884 | $767K |
| Lanark Financial, Inc. | 0.06% | No change | 38,325 | $737K |
| Inceptionr LLC | 0.19% | New | 34,787 | $669K |
| Fox Run Management, L.L.C. | 0.10% | New | 33,727 | $648K |
| Walleye Trading LLC | 0.01% | Add +235.5% | 31,045 | $597K |
| Glenorchy Capital Ltd | 0.38% | Add +9.4% | 30,319 | $583K |
| ION Fund Management Ltd | 0.07% | — | 30,270 | $582K |
| Wells Fargo & Company | 0.00% | Reduce -9.7% | 28,505 | $548K |
| IMC-Chicago, LLC | 0.01% | New | 27,586 | $530K |
| Simplex Trading, LLC | 0.01% | Reduce -23.1% | 26,642 | $512K |
| Royal Bank of Canada | 0.00% | Reduce -2.9% | 26,692 | $512K |
| IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd | 0.66% | New | 25,000 | $481K |
| Eagle Harbor Asset Management Inc. | 0.37% | Reduce -0.9% | 23,481 | $451K |
| Sprott Inc. | 0.02% | New | 22,784 | $438K |
| Headlands Technologies LLC | 0.04% | New | 22,446 | $431K |
| Sippican Capital Advisors | 0.27% | Reduce -1.0% | 21,677 | $417K |
| Gotham Asset Management | 0.00% | No change | 21,600 | $415K |
| Moors & Cabot, Inc. | 0.02% | Reduce -18.1% | 21,500 | $413K |
| DAVENPORT & Co LLC | 0.00% | Add +6.2% | 21,491 | $413K |
| Magnetar Financial LLC | 0.00% | Add +3.1% | 20,001 | $384K |
| American Century Companies Inc. | 0.00% | No change | 19,922 | $383K |
| Integrated Wealth Concepts LLC | 0.00% | Reduce -3.8% | 19,896 | $382K |
| Intrua Financial, LLC | 0.04% | Add +0.1% | 18,455 | $355K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -14.8% | 18,142 | $349K |
| Mariner, LLC | 0.00% | Reduce -7.0% | 17,474 | $336K |
| Sigma Planning Corp | 0.01% | Reduce -25.8% | 17,054 | $328K |
| Glenmede Trust Co. NA | 0.00% | — | 15,534 | $299K |
| Vident Advisory, LLC | 0.00% | Reduce -8.5% | 15,463 | $297K |
| B. Riley Wealth Advisors, Inc. | 0.01% | Reduce -22.1% | 15,220 | $293K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 15,100 | $290K |
| Kestra Advisory Services, LLC | 0.00% | Reduce -6.9% | 15,054 | $289K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -2.2% | 13,699 | $263K |
| Balyasny Asset Management L.P. | 0.00% | Reduce -97.3% | 12,978 | $249K |
"% of holder's portfolio" is SBLK's weight in each manager's 13F, not the share of Star Bulk Carriers Corp. the manager owns.