Star Bulk CarriersSBLK
13F holders, Q3 2025 (September 30)165holders −8
21new positions
29sold out
6famous investors
$18.59avg. 13F price*
At the end of Q3 2025, 165 institutions reported holding Star Bulk Carriers Corp. (SBLK) in their 13F filings, down 8 from Q2 2025. 21 opened new positions and 29 sold out. The largest holders were Alliancebernstein L.P. ($101.2M), BlackRock, Inc. ($43.7M) and Ameriprise Financial Inc. ($40.3M). 6 famous investors held it, including Howard Marks (0.8% of Oaktree Capital Management's portfolio), Jim Simons / Peter Brown (0.0% 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $16.4M |
| Exits | 29 | $96.2M |
All 13F filers, Q2 2025 → Q3 2025: 6,197,859 shares bought and 8,969,380 shares sold, net −2,771,521 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 165 holders
| Alliancebernstein L.P. | 0.03% | Add +44.6% | 5,446,191 | $101.2M |
| BlackRock, Inc. | 0.00% | Add +51.8% | 2,348,088 | $43.7M |
| Ameriprise Financial Inc. | 0.01% | Add +33.2% | 2,166,892 | $40.3M |
| Oaktree Capital Management | 0.77% | Reduce -39.2% | 1,962,892 | $36.5M |
| Renaissance Technologies | 0.05% | Reduce -0.5% | 1,932,105 | $35.9M |
| UBS Group AG | 0.01% | Reduce -41.9% | 1,809,702 | $33.6M |
| Philosophy Capital Management LLC | 3.12% | Reduce -6.3% | 1,450,000 | $27.0M |
| Morgan Stanley | 0.00% | Add +126.6% | 1,149,320 | $21.4M |
| Focus Partners Wealth | 0.03% | Add +4.5% | 998,094 | $18.6M |
| DNB Asset Management AS | 0.06% | Add +1.6% | 826,628 | $15.4M |
| Allianz Asset Management GmbH | 0.01% | Add +34.8% | 652,982 | $12.1M |
| Geode Capital Management, LLC | 0.00% | Add +427.2% | 643,792 | $12.0M |
| Balyasny Asset Management L.P. | 0.02% | Add +86.4% | 472,728 | $8.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +10.7% | 434,122 | $8.1M |
| Vanguard Group Inc. | 0.00% | Reduce -5.7% | 430,486 | $8.0M |
| Susquehanna International Group, LLP | 0.01% | Add +30.9% | 420,654 | $7.8M |
| Franklin Resources Inc. | 0.00% | No change | 389,275 | $7.2M |
| Valueworks LLC | 1.96% | Reduce -1.1% | 361,578 | $6.7M |
| Armor Advisors, L.L.C. | 5.79% | No change | 328,390 | $6.1M |
| Bank of America Corp. | 0.00% | Add +24.3% | 311,431 | $5.8M |
| ExodusPoint Capital Management, LP | 0.06% | New | 240,995 | $4.5M |
| Schonfeld Strategic Advisors LLC | 0.03% | Add +130.0% | 194,004 | $3.6M |
| Group One Trading LLC | 0.10% | Add +79.2% | 182,200 | $3.4M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -0.5% | 181,755 | $3.4M |
| LPL Financial LLC | 0.00% | Add +3.8% | 166,826 | $3.1M |
| Boston Partners | 0.00% | Reduce -6.1% | 160,692 | $3.0M |
| Mirabella Financial Services LLP | 0.25% | New | 151,818 | $2.8M |
| State Street Corp. | 0.00% | Add +4.1% | 126,780 | $2.4M |
| Relyea Zuckerberg Hanson LLC | 0.24% | No change | 125,377 | $2.3M |
| Impala Asset Management LLC | 1.38% | New | 120,000 | $2.2M |
| Capital Advisory Group Advisory Services, LLC | 0.68% | Reduce -0.7% | 118,063 | $2.2M |
| CFM Wealth Partners LLC | 0.30% | No change | 112,601 | $2.1M |
| Citadel Advisors | 0.00% | Reduce -30.4% | 103,638 | $1.9M |
| Stifel Financial Corp. | 0.00% | Reduce -30.2% | 100,532 | $1.9M |
| 683 Capital Management, LLC | 0.18% | Reduce -55.6% | 100,000 | $1.9M |
| Mraz, Amerine & Associates, Inc. | 0.29% | Reduce -2.0% | 99,687 | $1.9M |
| JPMorgan Chase & Co. | 0.00% | Add +101.0% | 99,439 | $1.8M |
| Manatuck Hill Partners, LLC | 0.59% | No change | 93,800 | $1.7M |
| RBF Capital, LLC | 0.08% | No change | 88,900 | $1.7M |
| Verition Fund Management LLC | 0.01% | Add +138.2% | 82,930 | $1.5M |
| Osaic Holdings, Inc. | 0.00% | Reduce -47.3% | 79,257 | $1.5M |
| Millennium Management | 0.00% | New | 79,305 | $1.5M |
| Bridgewater Associates | 0.01% | New | 78,483 | $1.5M |
| Northern Trust Corp. | 0.00% | Reduce -12.8% | 78,050 | $1.5M |
| Credit Agricole S A | 0.00% | — | 76,700 | $1.4M |
| Walleye Capital LLC | 0.01% | Add +18.6% | 72,779 | $1.4M |
| Pathstone Holdings, LLC | 0.01% | Add +343.1% | 71,410 | $1.3M |
| Raiffeisen Bank International AG | 0.02% | Reduce -1.5% | 63,139 | $1.2M |
| Dakota Wealth Management | 0.02% | Reduce -31.6% | 61,141 | $1.1M |
| Tidal Investments LLC | 0.00% | Add +16.5% | 57,685 | $1.1M |
| Invesco Ltd. | 0.00% | Reduce -47.6% | 54,407 | $1.0M |
| Wexford Capital LP | 0.30% | New | 53,448 | $994K |
| Horizon Kinetics Asset Management LLC | 0.01% | Add +4.8% | 51,923 | $965K |
| BNP Paribas Financial Markets | 0.00% | Add +267.7% | 50,359 | $936K |
| Capital Fund Management S.A. | 0.01% | Add +76.8% | 47,179 | $877K |
| BTG Pactual Asset Management US LLC | 0.09% | New | 41,306 | $768K |
| Private Advisor Group, LLC | 0.00% | Reduce -1.9% | 40,517 | $753K |
| Lanark Financial, Inc. | 0.06% | No change | 38,325 | $712K |
| Simplex Trading, LLC | 0.01% | Add +278.4% | 34,658 | $644K |
| Wells Fargo & Company | 0.00% | Reduce -33.3% | 31,556 | $587K |
| Ion Asset Management Ltd. | 0.07% | No change | 30,270 | $563K |
| Raymond James Financial Inc. | 0.00% | Reduce -1.1% | 28,470 | $529K |
| Glenorchy Capital Ltd | 0.37% | Add +1.0% | 27,712 | $515K |
| Royal Bank of Canada | 0.00% | Reduce -58.1% | 27,477 | $511K |
| Moors & Cabot, Inc. | 0.02% | Reduce -29.5% | 26,250 | $488K |
| Independent Financial Group, LLC | 0.01% | Add +3.5% | 25,777 | $479K |
| Michels Family Financial, LLC | 0.35% | Add +1.9% | 23,995 | $446K |
| Eagle Harbor Asset Management Inc. | 0.38% | Reduce -0.5% | 23,688 | $440K |
| MQS Management LLC | 0.25% | Reduce -24.4% | 23,466 | $436K |
| Barclays PLC | 0.00% | New | 23,235 | $432K |
| Sigma Planning Corp | 0.01% | Add +21.9% | 22,990 | $427K |
| Sippican Capital Advisors | 0.27% | Add +0.0% | 21,891 | $407K |
| Gotham Asset Management | 0.00% | Reduce -48.1% | 21,600 | $402K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -35.9% | 21,296 | $396K |
| Integrated Wealth Concepts LLC | 0.00% | Reduce -0.2% | 20,686 | $385K |
| DAVENPORT & Co LLC | 0.00% | Add +13.8% | 20,235 | $376K |
| American Century Companies Inc. | 0.00% | No change | 19,922 | $370K |
| B. Riley Wealth Advisors, Inc. | 0.02% | Reduce -11.3% | 19,548 | $363K |
| Magnetar Financial LLC | 0.00% | New | 19,397 | $361K |
| Mariner, LLC | 0.00% | Reduce -1.4% | 18,779 | $349K |
| Intrua Financial, LLC | 0.04% | Add +21.3% | 18,435 | $343K |
| Vident Advisory, LLC | 0.00% | Add +5.6% | 16,902 | $314K |
| Kestra Advisory Services, LLC | 0.00% | Reduce -7.5% | 16,168 | $301K |
| Jane Street Group, LLC | 0.00% | New | 15,757 | $293K |
| Glenmede Investment Management, LP | 0.00% | No change | 15,534 | $289K |
| CIBC Private Wealth Group LLC | 0.00% | Add +98.7% | 15,100 | $281K |
| Sig Brokerage, LP | 0.07% | Reduce -40.9% | 14,743 | $274K |
| Cetera Investment Advisers | 0.00% | Reduce -20.6% | 14,030 | $261K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -4.4% | 14,009 | $260K |
| Arrow Investment Advisors, LLC | 0.25% | Reduce -6.4% | 12,360 | $230K |
| Bridgefront Capital, LLC | 0.07% | New | 12,208 | $227K |
| Marex Group Ltd | 0.00% | New | 11,883 | $221K |
| SBI Securities Co., Ltd. | 0.01% | Reduce -12.9% | 11,564 | $215K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -51.9% | 11,416 | $212K |
| Caption Management, LLC | 0.01% | Reduce -29.1% | 10,638 | $198K |
| Graham Capital Management, L.P. | 0.01% | New | 10,205 | $190K |
| Rossby Financial, LCC | 0.06% | Reduce -33.3% | 10,000 | $187K |
| Silvercrest Asset Management Group LLC | 0.00% | Reduce -89.2% | 10,000 | $186K |
| Walleye Trading LLC | 0.00% | Reduce -82.3% | 9,253 | $172K |
| Toronto Dominion Bank | 0.00% | No change | 8,000 | $150K |
"% of holder's portfolio" is SBLK's weight in each manager's 13F, not the share of Star Bulk Carriers Corp. the manager owns.