Star Bulk Carriers Corp.
SBLK- Exchange
- Nasdaq
- Industry
- Deep Sea Foreign Transportation of Freight
- SEC CIK
- 0001386716
In the last 90 days, Star Bulk Carriers Corp. insiders filed 9 open-market purchases and 8 sales; 203 institutions reported holding it in 13F filings for Q2 2026, worth $1.00B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Star Bulk Carriers Corp. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 173
- −15 vs. Q1 2025
- Shares held
- 32.0M
- −4.66M (−12.7%) vs. Q1 2025
- Total value
- $551.7M
- −$15.1M (−2.7%) vs. Q1 2025
- New holders
- 20
- 39 more added
- Sold out
- 35
- 70 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SBLK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 203 | $1.00B |
| Q1 2026 | 190 | $874.5M |
| Q4 2025 | 175 | $626.4M |
| Q3 2025 | 166 | $542.4M |
| Q2 2025 | 173 | $551.7M |
| Q1 2025 | 190 | $567.1M |
| Q4 2024 | 220 | $570.9M |
| Q3 2024 | 223 | $1.08B |
| Q2 2024 | 243 | $1.36B |
| Q1 2024 | 204 | $951.1M |
| Q4 2023 | 177 | $667.2M |
| Q3 2023 | 151 | $700.7M |
| Q2 2023 | 160 | $820.7M |
| Q1 2023 | 174 | $1.05B |
| Q4 2022 | 161 | $909.8M |
| Q3 2022 | 164 | $833.6M |
| Q2 2022 | 185 | $1.34B |
| Q1 2022 | 190 | $1.64B |
| Q4 2021 | 138 | $1.14B |
| Q3 2021 | 120 | $1.33B |
| Q2 2021 | 126 | $1.44B |
| Q1 2021 | 89 | $869.5M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Star Bulk Carriers Corp.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sig Brokerage, LP | 24,943 | $430.3K | 0.12% | +24,943 | New |
| Capital Fund Management S.A. | 26,678 | $460.2K | 0.01% | −49,085−64.8% | Reduced |
| Glenorchy Capital Ltd | 27,432 | $473.2K | 0.35% | +1,242+4.7% | Added |
| Ancora Advisors, LLC | 28,199 | $486.4K | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Inc | 28,797 | $496.7K | 0.00% | −36,658−56.0% | Reduced |
| Apollon Wealth Management, LLC | 30,250 | $521.8K | 0.01% | +6,895+29.5% | Added |
| Ion Asset Management Ltd. | 30,270 | $522.2K | 0.03% | 00.0% | Unchanged |
| MQS Management LLC | 31,036 | $535.4K | 0.30% | +31,036 | New |
| Essex Financial Services, Inc. | 31,793 | $548.4K | 0.04% | −310−1.0% | Reduced |
| Two Sigma Investments, LP | 32,832 | $566.4K | 0.00% | −173,912−84.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 33,215 | $573.0K | 0.00% | −9,887−22.9% | Reduced |
| Verition Fund Management LLC | 34,822 | $600.7K | 0.00% | +34,822 | New |
| Moors & Cabot, Inc. | 37,250 | $642.6K | 0.03% | −14,025−27.4% | Reduced |
| NBC Securities, Inc. | 38,325 | $661.0K | 0.05% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 41,311 | $712.6K | 0.00% | +1,773+4.5% | Added |
| Gotham Asset Management, LLC | 41,600 | $717.6K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 43,551 | $751.3K | 0.00% | −47,018−51.9% | Reduced |
| Wells Fargo & Company | 47,315 | $816.2K | 0.00% | +190.0% | Added |
| JPMorgan Chase & Co | 49,471 | $853.4K | 0.00% | +43,072+673.1% | Added |
| Toroso Investments, LLC | 49,502 | $853.9K | 0.01% | +5,003+11.2% | Added |
| Horizon Kinetics Asset Management LLC | 49,555 | $854.8K | 0.01% | +3,663+8.0% | Added |
| Walleye Trading LLC | 52,434 | $904.5K | 0.02% | +52,434 | New |
| Walleye Capital LLC | 61,393 | $1.06M | 0.01% | +61,393 | New |
| Raiffeisen Bank International AG | 64,119 | $1.10M | 0.02% | +7,918+14.1% | Added |
| Royal Bank of Canada | 65,534 | $1.13M | 0.00% | −51,741−44.1% | Reduced |
| Norges Bank | 83,687 | $1.44M | 0.00% | −74,726−47.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 84,361 | $1.46M | 0.01% | +34,943+70.7% | Added |
| RBF Capital, LLC | 88,900 | $1.53M | 0.08% | 00.0% | Unchanged |
| Dakota Wealth Management | 89,384 | $1.54M | 0.03% | −5,457−5.8% | Reduced |
| Northern Trust Corp | 89,487 | $1.54M | 0.00% | −2,746−3.0% | Reduced |
| Silvercrest Asset Management Group LLC | 92,174 | $1.59M | 0.01% | −205−0.2% | Reduced |
| Manatuck Hill Partners, LLC | 93,800 | $1.62M | 0.61% | −58,700−38.5% | Reduced |
| Janney Montgomery Scott LLC | 96,832 | $1.67M | 0.00% | −3,523−3.5% | Reduced |
| Group One Trading, L.P. | 101,693 | $1.75M | 0.06% | −83,529−45.1% | Reduced |
| Mraz, Amerine & Associates, Inc. | 101,775 | $1.76M | 0.28% | −10,456−9.3% | Reduced |
| Invesco Ltd. | 103,760 | $1.79M | 0.00% | −56,147−35.1% | Reduced |
| CFM Wealth Partners LLC | 112,601 | $1.94M | 0.31% | 00.0% | Unchanged |
| Capital Advisory Group Advisory Services, LLC | 118,937 | $2.05M | 0.74% | +118,937 | New |
| State Street Corp | 121,828 | $2.10M | 0.00% | −2,983−2.4% | Reduced |
| Geode Capital Management, LLC | 122,115 | $2.11M | 0.00% | +2,748+2.3% | Added |
| Relyea Zuckerberg Hanson LLC | 125,377 | $2.16M | 0.25% | 00.0% | Unchanged |
| Stifel Financial Corp | 144,071 | $2.49M | 0.00% | −55,387−27.8% | Reduced |
| Citadel Advisors LLC | 148,939 | $2.57M | 0.00% | +148,939 | New |
| Advisor Group Holdings, Inc. | 150,403 | $2.59M | 0.00% | −13,244−8.1% | Reduced |
| LPL Financial LLC | 160,668 | $2.77M | 0.00% | −13,955−8.0% | Reduced |
| Boston Partners | 171,186 | $2.95M | 0.00% | +45,818+36.5% | Added |
| Russell Investments Group, Ltd. | 182,638 | $3.15M | 0.00% | −60,871−25.0% | Reduced |
| 683 Capital Management, LLC | 225,000 | $3.88M | 0.39% | −75,000−25.0% | Reduced |
| Bank of America Corp | 250,485 | $4.32M | 0.00% | −1,055,241−80.8% | Reduced |
| Balyasny Asset Management LLC | 253,554 | $4.37M | 0.01% | −343,178−57.5% | Reduced |
| Susquehanna International Group, LLP | 321,302 | $5.54M | 0.01% | −140,610−30.4% | Reduced |
| Armor Advisors, L.L.C. | 328,390 | $5.66M | 5.63% | −5,679−1.7% | Reduced |
| Valueworks LLC | 365,595 | $6.31M | 2.08% | +1,325+0.4% | Added |
| Gilman Hill Asset Management, LLC | 388,847 | $6.71M | 1.10% | −1,446−0.4% | Reduced |
| Franklin Resources Inc | 389,275 | $6.71M | 0.00% | −300−0.1% | Reduced |
| Goldman Sachs Group Inc | 392,283 | $6.77M | 0.00% | +297,828+315.3% | Added |
| Vanguard Group Inc | 456,387 | $7.87M | 0.00% | +9,880+2.2% | Added |
| Allianz Asset Management GmbH | 484,491 | $8.36M | 0.01% | +170,502+54.3% | Added |
| Grand Alliance Asset Management Ltd | 500,000 | $8.63M | 9.75% | −280,000−35.9% | Reduced |
| Morgan Stanley | 507,217 | $8.75M | 0.00% | −252,746−33.3% | Reduced |
| Two Sigma Advisers, LP | 549,059 | $9.47M | 0.02% | −512,100−48.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 685,037 | $11.8M | 0.01% | −958,434−58.3% | Reduced |
| DnB Asset Management AS | 813,351 | $14.0M | 0.06% | +14,792+1.9% | Added |
| Colony Group, LLC | 955,572 | $16.5M | 0.04% | +17,364+1.9% | Added |
| UBS Asset Management Americas Inc | 1,186,436 | $20.5M | 0.00% | −112,000−8.6% | Reduced |
| BlackRock, Inc. | 1,546,717 | $26.7M | 0.00% | +159,404+11.5% | Added |
| Philosophy Capital Management LLC | 1,547,777 | $26.7M | 3.36% | +28,518+1.9% | Added |
| Ameriprise Financial Inc | 1,627,325 | $28.1M | 0.01% | +107,069+7.0% | Added |
| Victory Capital Management Inc | 1,900,058 | $33.2M | 0.02% | +1,900,058 | New |
| Renaissance Technologies LLC | 1,940,805 | $33.5M | 0.04% | +52,000+2.8% | Added |
| UBS Group AG | 3,115,865 | $53.7M | 0.01% | +261,194+9.1% | Added |
| Oaktree Capital Management LPSuperinvestorOaktree Capital | 3,230,527 | $55.7M | 1.10% | −2,143,104−39.9% | Reduced |
| Alliancebernstein L.P. | 3,765,155 | $64.9M | 0.02% | +3,765,155 | New |
| Amundi | 0 | $0 | 0.00% | −1,868,249−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −689,818−100.0% | Sold out |
| Kettle Hill Capital Management, LLC | 0 | $0 | 0.00% | −308,547−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −251,890−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −204,721−100.0% | Sold out |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 0 | $0 | 0.00% | −173,769−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −160,378−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −121,061−100.0% | Sold out |
| Impala Asset Management LLC | 0 | $0 | 0.00% | −115,000−100.0% | Sold out |
| KLP Kapitalforvaltning AS | 0 | $0 | 0.00% | −85,000−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −80,545−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −76,944−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −61,909−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −55,439−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −53,611−100.0% | Sold out |
| Lonestar Capital Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −43,267−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −34,468−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −33,956−100.0% | Sold out |
| Pekin Hardy Strauss, Inc. | 0 | $0 | 0.00% | −25,350−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −13,961−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −13,900−100.0% | Sold out |
| Savant Capital, LLC | 0 | $0 | 0.00% | −12,378−100.0% | Sold out |
| TownSquare Capital, LLC | 0 | $0 | 0.00% | −10,442−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −10,372−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −10,173−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | 0 | $0 | 0.00% | −10,113−100.0% | Sold out |