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 |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 3,765,155 | $64.9M | 0.02% | +3,765,155 | New |
| Oaktree Capital Management LPSuperinvestorOaktree Capital | 3,230,527 | $55.7M | 1.10% | −2,143,104−39.9% | Reduced |
| UBS Group AG | 3,115,865 | $53.7M | 0.01% | +261,194+9.1% | Added |
| Renaissance Technologies LLC | 1,940,805 | $33.5M | 0.04% | +52,000+2.8% | Added |
| Victory Capital Management Inc | 1,900,058 | $33.2M | 0.02% | +1,900,058 | New |
| Ameriprise Financial Inc | 1,627,325 | $28.1M | 0.01% | +107,069+7.0% | Added |
| Philosophy Capital Management LLC | 1,547,777 | $26.7M | 3.36% | +28,518+1.9% | Added |
| BlackRock, Inc. | 1,546,717 | $26.7M | 0.00% | +159,404+11.5% | Added |
| UBS Asset Management Americas Inc | 1,186,436 | $20.5M | 0.00% | −112,000−8.6% | Reduced |
| Colony Group, LLC | 955,572 | $16.5M | 0.04% | +17,364+1.9% | Added |
| DnB Asset Management AS | 813,351 | $14.0M | 0.06% | +14,792+1.9% | Added |
| Arrowstreet Capital, Limited Partnership | 685,037 | $11.8M | 0.01% | −958,434−58.3% | Reduced |
| Two Sigma Advisers, LP | 549,059 | $9.47M | 0.02% | −512,100−48.3% | Reduced |
| Morgan Stanley | 507,217 | $8.75M | 0.00% | −252,746−33.3% | Reduced |
| Grand Alliance Asset Management Ltd | 500,000 | $8.63M | 9.75% | −280,000−35.9% | Reduced |
| Allianz Asset Management GmbH | 484,491 | $8.36M | 0.01% | +170,502+54.3% | Added |
| Vanguard Group Inc | 456,387 | $7.87M | 0.00% | +9,880+2.2% | Added |
| Goldman Sachs Group Inc | 392,283 | $6.77M | 0.00% | +297,828+315.3% | Added |
| Franklin Resources Inc | 389,275 | $6.71M | 0.00% | −300−0.1% | Reduced |
| Gilman Hill Asset Management, LLC | 388,847 | $6.71M | 1.10% | −1,446−0.4% | Reduced |
| Valueworks LLC | 365,595 | $6.31M | 2.08% | +1,325+0.4% | Added |
| Armor Advisors, L.L.C. | 328,390 | $5.66M | 5.63% | −5,679−1.7% | Reduced |
| Susquehanna International Group, LLP | 321,302 | $5.54M | 0.01% | −140,610−30.4% | Reduced |
| Balyasny Asset Management LLC | 253,554 | $4.37M | 0.01% | −343,178−57.5% | Reduced |
| Bank of America Corp | 250,485 | $4.32M | 0.00% | −1,055,241−80.8% | Reduced |
| 683 Capital Management, LLC | 225,000 | $3.88M | 0.39% | −75,000−25.0% | Reduced |
| Russell Investments Group, Ltd. | 182,638 | $3.15M | 0.00% | −60,871−25.0% | Reduced |
| Boston Partners | 171,186 | $2.95M | 0.00% | +45,818+36.5% | Added |
| LPL Financial LLC | 160,668 | $2.77M | 0.00% | −13,955−8.0% | Reduced |
| Advisor Group Holdings, Inc. | 150,403 | $2.59M | 0.00% | −13,244−8.1% | Reduced |
| Citadel Advisors LLC | 148,939 | $2.57M | 0.00% | +148,939 | New |
| Stifel Financial Corp | 144,071 | $2.49M | 0.00% | −55,387−27.8% | Reduced |
| Relyea Zuckerberg Hanson LLC | 125,377 | $2.16M | 0.25% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 122,115 | $2.11M | 0.00% | +2,748+2.3% | Added |
| State Street Corp | 121,828 | $2.10M | 0.00% | −2,983−2.4% | Reduced |
| Capital Advisory Group Advisory Services, LLC | 118,937 | $2.05M | 0.74% | +118,937 | New |
| CFM Wealth Partners LLC | 112,601 | $1.94M | 0.31% | 00.0% | Unchanged |
| Invesco Ltd. | 103,760 | $1.79M | 0.00% | −56,147−35.1% | Reduced |
| Mraz, Amerine & Associates, Inc. | 101,775 | $1.76M | 0.28% | −10,456−9.3% | Reduced |
| Group One Trading, L.P. | 101,693 | $1.75M | 0.06% | −83,529−45.1% | Reduced |
| Janney Montgomery Scott LLC | 96,832 | $1.67M | 0.00% | −3,523−3.5% | Reduced |
| Manatuck Hill Partners, LLC | 93,800 | $1.62M | 0.61% | −58,700−38.5% | Reduced |
| Silvercrest Asset Management Group LLC | 92,174 | $1.59M | 0.01% | −205−0.2% | Reduced |
| Northern Trust Corp | 89,487 | $1.54M | 0.00% | −2,746−3.0% | Reduced |
| Dakota Wealth Management | 89,384 | $1.54M | 0.03% | −5,457−5.8% | Reduced |
| RBF Capital, LLC | 88,900 | $1.53M | 0.08% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 84,361 | $1.46M | 0.01% | +34,943+70.7% | Added |
| Norges Bank | 83,687 | $1.44M | 0.00% | −74,726−47.2% | Reduced |
| Royal Bank of Canada | 65,534 | $1.13M | 0.00% | −51,741−44.1% | Reduced |
| Raiffeisen Bank International AG | 64,119 | $1.10M | 0.02% | +7,918+14.1% | Added |
| Walleye Capital LLC | 61,393 | $1.06M | 0.01% | +61,393 | New |
| Walleye Trading LLC | 52,434 | $904.5K | 0.02% | +52,434 | New |
| Horizon Kinetics Asset Management LLC | 49,555 | $854.8K | 0.01% | +3,663+8.0% | Added |
| Toroso Investments, LLC | 49,502 | $853.9K | 0.01% | +5,003+11.2% | Added |
| JPMorgan Chase & Co | 49,471 | $853.4K | 0.00% | +43,072+673.1% | Added |
| Wells Fargo & Company | 47,315 | $816.2K | 0.00% | +190.0% | Added |
| Squarepoint Ops LLC | 43,551 | $751.3K | 0.00% | −47,018−51.9% | Reduced |
| Gotham Asset Management, LLC | 41,600 | $717.6K | 0.00% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 41,311 | $712.6K | 0.00% | +1,773+4.5% | Added |
| NBC Securities, Inc. | 38,325 | $661.0K | 0.05% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 37,250 | $642.6K | 0.03% | −14,025−27.4% | Reduced |
| Verition Fund Management LLC | 34,822 | $600.7K | 0.00% | +34,822 | New |
| Cambridge Investment Research Advisors, Inc. | 33,215 | $573.0K | 0.00% | −9,887−22.9% | Reduced |
| Two Sigma Investments, LP | 32,832 | $566.4K | 0.00% | −173,912−84.1% | Reduced |
| Essex Financial Services, Inc. | 31,793 | $548.4K | 0.04% | −310−1.0% | Reduced |
| MQS Management LLC | 31,036 | $535.4K | 0.30% | +31,036 | New |
| Ion Asset Management Ltd. | 30,270 | $522.2K | 0.03% | 00.0% | Unchanged |
| Apollon Wealth Management, LLC | 30,250 | $521.8K | 0.01% | +6,895+29.5% | Added |
| Raymond James Financial Inc | 28,797 | $496.7K | 0.00% | −36,658−56.0% | Reduced |
| Ancora Advisors, LLC | 28,199 | $486.4K | 0.01% | 00.0% | Unchanged |
| Glenorchy Capital Ltd | 27,432 | $473.2K | 0.35% | +1,242+4.7% | Added |
| Capital Fund Management S.A. | 26,678 | $460.2K | 0.01% | −49,085−64.8% | Reduced |
| Sig Brokerage, LP | 24,943 | $430.3K | 0.12% | +24,943 | New |
| Independent Financial Group, LLC | 24,902 | $429.6K | 0.01% | −3,894−13.5% | Reduced |
| Golden State Wealth Management, LLC | 24,618 | $424.7K | 0.05% | −10,355−29.6% | Reduced |
| Eagle Harbor Asset Management Inc | 23,800 | $410.6K | 0.40% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 23,727 | $409.0K | 0.00% | −7,832−24.8% | Reduced |
| Michels Family Financial, LLC | 23,547 | $406.2K | 0.35% | −1,763−7.0% | Reduced |
| National Asset Management, Inc. | 22,042 | $380.2K | 0.02% | −36,053−62.1% | Reduced |
| Sippican Capital Advisors | 21,888 | $377.6K | 0.27% | +15+0.1% | Added |
| Integrated Wealth Concepts LLC | 20,726 | $357.5K | 0.00% | +6,936+50.3% | Added |
| American Century Companies Inc | 19,922 | $343.7K | 0.00% | 00.0% | Unchanged |
| National Philanthropic Trust | 19,377 | $334.3K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 19,055 | $328.7K | 0.00% | −34,834−64.6% | Reduced |
| Sigma Planning Corp | 18,861 | $325.4K | 0.01% | −5,148−21.4% | Reduced |
| Davenport & Co LLC | 17,776 | $306.6K | 0.00% | +4,778+36.8% | Added |
| Cetera Investment Advisers | 17,674 | $304.9K | 0.00% | −8,530−32.6% | Reduced |
| Kestra Advisory Services, LLC | 17,483 | $301.6K | 0.00% | −4,293−19.7% | Reduced |
| Pathstone Holdings, LLC | 16,116 | $278.0K | 0.00% | +16,116 | New |
| Vident Advisory, LLC | 16,011 | $276.2K | 0.00% | −62,006−79.5% | Reduced |
| Glenmede Investment Management, LP | 15,534 | $268.0K | 0.00% | +15,534 | New |
| Intrua Financial, LLC | 15,200 | $262.2K | 0.04% | 00.0% | Unchanged |
| Caption Management, LLC | 15,000 | $258.8K | 0.02% | 00.0% | Unchanged |
| Rossby Financial, LCC | 15,000 | $258.8K | 0.10% | +2,500+20.0% | Added |
| Exchange Traded Concepts, LLC | 14,649 | $252.7K | 0.00% | −491−3.2% | Reduced |
| Advisory Services Network, LLC | 13,370 | $244.1K | 0.00% | +13,370 | New |
| BNP Paribas Arbitrage, SA | 13,695 | $236.2K | 0.00% | +616+4.7% | Added |
| SBI Securities Co., Ltd. | 13,285 | $229.2K | 0.01% | −6,867−34.1% | Reduced |
| Citigroup Inc | 13,221 | $228.1K | 0.00% | +3,375+34.3% | Added |
| Arrow Investment Advisors, LLC | 13,209 | $227.9K | 0.22% | +13,209 | New |