Star Bulk CarriersSBLK
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 173 institutions reported holding Star Bulk Carriers Corp. (SBLK) in their 13F filings, down 17 from Q1 2025. 17 opened new positions and 35 sold out. The largest holders were Alliancebernstein L.P. ($64.9M), Oaktree Capital Management ($55.7M) and UBS Group AG ($53.7M). 4 famous investors held it, including Howard Marks (1.4% of Oaktree Capital Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Star Bulk Carriers Corp.
- CUSIP
- Y8162K204
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $107.4M |
| Exits | 35 | $68.8M |
All 13F filers, Q1 2025 → Q2 2025: 7,498,344 shares bought and 12,179,936 shares sold, net −4,681,592 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 173 holders
| Alliancebernstein L.P. | 0.02% | New | 3,765,155 | $64.9M |
| Oaktree Capital Management | 1.42% | Reduce -39.9% | 3,230,527 | $55.7M |
| UBS Group AG | 0.01% | Add +9.2% | 3,115,865 | $53.7M |
| Renaissance Technologies | 0.04% | Add +2.8% | 1,940,805 | $33.5M |
| Victory Capital Management Inc. | 0.02% | New | 1,900,058 | $33.2M |
| Ameriprise Financial Inc. | 0.01% | Add +7.0% | 1,627,325 | $28.1M |
| Philosophy Capital Management LLC | 3.36% | Add +1.9% | 1,547,777 | $26.7M |
| BlackRock, Inc. | 0.00% | Add +11.5% | 1,546,717 | $26.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -8.6% | 1,186,436 | $20.5M |
| Focus Partners Wealth | 0.04% | Add +1.9% | 955,572 | $16.5M |
| DNB Asset Management AS | 0.06% | Add +1.9% | 813,351 | $14.0M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -58.3% | 685,037 | $11.8M |
| Two Sigma Advisers, LP | 0.02% | Reduce -48.3% | 549,059 | $9.5M |
| Morgan Stanley | 0.00% | Reduce -33.3% | 507,217 | $8.7M |
| Grand Alliance Asset Management Ltd | 9.75% | Reduce -35.9% | 500,000 | $8.6M |
| Allianz Asset Management GmbH | 0.01% | Add +54.3% | 484,491 | $8.4M |
| Vanguard Group Inc. | 0.00% | Add +2.2% | 456,387 | $7.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +315.3% | 392,283 | $6.8M |
| Franklin Resources Inc. | 0.00% | Reduce -0.1% | 389,275 | $6.7M |
| Gilman Hill Asset Management, LLC | 1.10% | Reduce -0.4% | 388,847 | $6.7M |
| Valueworks LLC | 2.08% | Add +0.4% | 365,595 | $6.3M |
| Armor Advisors, L.L.C. | 5.63% | Reduce -1.7% | 328,390 | $5.7M |
| Susquehanna International Group, LLP | 0.01% | Reduce -30.4% | 321,302 | $5.5M |
| Balyasny Asset Management L.P. | 0.01% | Reduce -57.5% | 253,554 | $4.4M |
| Bank of America Corp. | 0.00% | Reduce -80.8% | 250,485 | $4.3M |
| 683 Capital Management, LLC | 0.42% | Reduce -25.0% | 225,000 | $3.9M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -25.0% | 182,638 | $3.2M |
| Boston Partners | 0.00% | Add +36.5% | 171,186 | $3.0M |
| LPL Financial LLC | 0.00% | Reduce -8.0% | 160,668 | $2.8M |
| Osaic Holdings, Inc. | 0.00% | Reduce -8.1% | 150,403 | $2.6M |
| Citadel Advisors | 0.00% | New | 148,939 | $2.6M |
| Stifel Financial Corp. | 0.00% | Reduce -27.8% | 144,071 | $2.5M |
| Relyea Zuckerberg Hanson LLC | 0.25% | No change | 125,377 | $2.2M |
| Geode Capital Management, LLC | 0.00% | Add +2.3% | 122,115 | $2.1M |
| State Street Corp. | 0.00% | Reduce -2.4% | 121,828 | $2.1M |
| Capital Advisory Group Advisory Services, LLC | 0.74% | New | 118,937 | $2.1M |
| CFM Wealth Partners LLC | 0.31% | No change | 112,601 | $1.9M |
| Invesco Ltd. | 0.00% | Reduce -35.1% | 103,760 | $1.8M |
| Mraz, Amerine & Associates, Inc. | 0.28% | Reduce -9.3% | 101,775 | $1.8M |
| Group One Trading LLC | 0.06% | Reduce -45.1% | 101,693 | $1.8M |
| Janney Montgomery Scott LLC | 0.00% | Reduce -3.5% | 96,832 | $1.7M |
| Manatuck Hill Partners, LLC | 0.61% | Reduce -38.5% | 93,800 | $1.6M |
| Silvercrest Asset Management Group LLC | 0.01% | Reduce -0.2% | 92,174 | $1.6M |
| Northern Trust Corp. | 0.00% | Reduce -3.0% | 89,487 | $1.5M |
| Dakota Wealth Management | 0.03% | Reduce -5.8% | 89,384 | $1.5M |
| RBF Capital, LLC | 0.08% | No change | 88,900 | $1.5M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +70.7% | 84,361 | $1.5M |
| Norges Bank | 0.00% | Reduce -47.2% | 83,687 | $1.4M |
| Royal Bank of Canada | 0.00% | Reduce -44.1% | 65,534 | $1.1M |
| Raiffeisen Bank International AG | 0.02% | Add +14.1% | 64,119 | $1.1M |
| Walleye Capital LLC | 0.01% | New | 61,393 | $1.1M |
| Walleye Trading LLC | 0.02% | New | 52,434 | $904K |
| Horizon Kinetics Asset Management LLC | 0.01% | Add +8.0% | 49,555 | $855K |
| Tidal Investments LLC | 0.01% | Add +11.2% | 49,502 | $854K |
| JPMorgan Chase & Co. | 0.00% | Add +673.1% | 49,471 | $853K |
| Wells Fargo & Company | 0.00% | Add +0.0% | 47,315 | $816K |
| Squarepoint Ops LLC | 0.00% | Reduce -51.9% | 43,551 | $751K |
| Gotham Asset Management | 0.00% | No change | 41,600 | $718K |
| Private Advisor Group, LLC | 0.00% | Add +4.5% | 41,311 | $713K |
| Lanark Financial, Inc. | 0.05% | No change | 38,325 | $661K |
| Moors & Cabot, Inc. | 0.03% | Reduce -27.4% | 37,250 | $643K |
| Verition Fund Management LLC | 0.00% | New | 34,822 | $601K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -22.9% | 33,215 | $573K |
| Two Sigma Investments, LP | 0.00% | Reduce -84.1% | 32,832 | $566K |
| Essex Financial Services, Inc. | 0.04% | Reduce -1.0% | 31,793 | $548K |
| MQS Management LLC | 0.30% | New | 31,036 | $535K |
| Ion Asset Management Ltd. | 0.03% | No change | 30,270 | $522K |
| Apollon Wealth Management, LLC | 0.01% | Add +29.5% | 30,250 | $522K |
| Raymond James Financial Inc. | 0.00% | Reduce -56.0% | 28,797 | $497K |
| Ancora Advisors LLC | 0.01% | No change | 28,199 | $486K |
| Glenorchy Capital Ltd | 0.35% | Add +4.7% | 27,432 | $473K |
| Capital Fund Management S.A. | 0.01% | Reduce -64.8% | 26,678 | $460K |
| Sig Brokerage, LP | 0.12% | New | 24,943 | $430K |
| Independent Financial Group, LLC | 0.01% | Reduce -13.5% | 24,902 | $430K |
| Golden State Wealth Management, LLC | 0.05% | Reduce -29.6% | 24,618 | $425K |
| Eagle Harbor Asset Management Inc. | 0.40% | No change | 23,800 | $411K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -24.8% | 23,727 | $409K |
| Michels Family Financial, LLC | 0.35% | Reduce -7.0% | 23,547 | $406K |
| B. Riley Wealth Advisors, Inc. | 0.02% | Reduce -62.1% | 22,042 | $380K |
| Sippican Capital Advisors | 0.27% | Add +0.1% | 21,888 | $378K |
| Integrated Wealth Concepts LLC | 0.00% | Add +50.3% | 20,726 | $358K |
| American Century Companies Inc. | 0.00% | No change | 19,922 | $344K |
| National Philanthropic Trust | 0.00% | No change | 19,377 | $334K |
| Mariner, LLC | 0.00% | Reduce -64.6% | 19,055 | $329K |
| Sigma Planning Corp | 0.01% | Reduce -21.4% | 18,861 | $325K |
| DAVENPORT & Co LLC | 0.00% | Add +36.8% | 17,776 | $307K |
| Cetera Investment Advisers | 0.00% | Reduce -32.5% | 17,674 | $305K |
| Kestra Advisory Services, LLC | 0.00% | Reduce -19.7% | 17,483 | $302K |
| Pathstone Holdings, LLC | 0.00% | New | 16,116 | $278K |
| Vident Advisory, LLC | 0.00% | Reduce -79.5% | 16,011 | $276K |
| Glenmede Investment Management, LP | 0.00% | — | 15,534 | $268K |
| Intrua Financial, LLC | 0.04% | No change | 15,200 | $262K |
| Rossby Financial, LCC | 0.10% | Add +20.0% | 15,000 | $259K |
| Caption Management, LLC | 0.02% | No change | 15,000 | $259K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -3.2% | 14,649 | $253K |
| Advisory Services Network, LLC | 0.00% | New | 13,370 | $244K |
| BNP Paribas Financial Markets | 0.00% | Add +4.7% | 13,695 | $236K |
| SBI Securities Co., Ltd. | 0.01% | Reduce -34.1% | 13,285 | $229K |
| Citigroup Inc. | 0.00% | Add +34.3% | 13,221 | $228K |
| Arrow Investment Advisors, LLC | 0.22% | New | 13,209 | $228K |
"% of holder's portfolio" is SBLK's weight in each manager's 13F, not the share of Star Bulk Carriers Corp. the manager owns.