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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 2026

Institutional positions in Star Bulk Carriers Corp. as of Jun 30, 2026. 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
203
+15 vs. Q1 2026
Shares held
40.2M
+2.11M (+5.6%) vs. Q1 2026
Total value
$1.00B
+$129.4M (+14.8%) vs. Q1 2026
New holders
35
61 more added
Sold out
20
66 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 203 institutions
Q1 2021: 89 institutionsQ2 2021: 126 institutionsQ3 2021: 120 institutionsQ4 2021: 138 institutionsQ1 2022: 190 institutionsQ2 2022: 185 institutionsQ3 2022: 164 institutionsQ4 2022: 161 institutionsQ1 2023: 174 institutionsQ2 2023: 160 institutionsQ3 2023: 151 institutionsQ4 2023: 177 institutionsQ1 2024: 204 institutionsQ2 2024: 243 institutionsQ3 2024: 223 institutionsQ4 2024: 220 institutionsQ1 2025: 190 institutionsQ2 2025: 173 institutionsQ3 2025: 166 institutionsQ4 2025: 175 institutionsQ1 2026: 190 institutionsQ2 2026: 203 institutions
Value heldQ2 2026: $1.00B
Q1 2021: $869.5MQ2 2021: $1.44BQ3 2021: $1.33BQ4 2021: $1.14BQ1 2022: $1.64BQ2 2022: $1.34BQ3 2022: $833.6MQ4 2022: $909.8MQ1 2023: $1.05BQ2 2023: $820.7MQ3 2023: $700.7MQ4 2023: $667.2MQ1 2024: $951.1MQ2 2024: $1.36BQ3 2024: $1.08BQ4 2024: $570.9MQ1 2025: $567.1MQ2 2025: $551.7MQ3 2025: $542.4MQ4 2025: $626.4MQ1 2026: $874.5MQ2 2026: $1.00B
Institutions holding SBLK and their total value by quarter
QuarterHoldersValue
Q2 2026203$1.00B
Q1 2026190$874.5M
Q4 2025175$626.4M
Q3 2025166$542.4M
Q2 2025173$551.7M
Q1 2025190$567.1M
Q4 2024220$570.9M
Q3 2024223$1.08B
Q2 2024243$1.36B
Q1 2024204$951.1M
Q4 2023177$667.2M
Q3 2023151$700.7M
Q2 2023160$820.7M
Q1 2023174$1.05B
Q4 2022161$909.8M
Q3 2022164$833.6M
Q2 2022185$1.34B
Q1 2022190$1.64B
Q4 2021138$1.14B
Q3 2021120$1.33B
Q2 2021126$1.44B
Q1 202189$869.5M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Star Bulk Carriers Corp.; share changes are against Q1 2026.

Institutions holding SBLK in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Wells Fargo & Company20,359$508.4K0.00%−1,594−7.3%Reduced
Simplex Trading, LLC20,489$511.6K0.01%−4,705−18.7%Reduced
Eagle Harbor Asset Management Inc21,032$525.2K0.41%−2,483−10.6%Reduced
Gotham Asset Management, LLC21,600$539.4K0.00%00.0%Unchanged
Sippican Capital Advisors21,627$540.0K0.33%−50−0.2%Reduced
CenterBook Partners LP22,212$554.6K0.03%+9,001+68.1%Added
Mariner, LLC22,377$558.8K0.00%+2,300+11.5%Added
Pathstone Holdings, LLC23,875$596.1K0.00%−19,603−45.1%Reduced
Counterpoint Mutual Funds LLC24,712$617.1K0.06%−183,715−88.1%Reduced
Fox Run Management, L.L.C.29,126$727.3K0.12%−35,218−54.7%Reduced
Mitsubishi UFJ Trust & Banking Corp29,817$744.5K0.00%+29,817New
Davenport & Co LLC29,822$744.6K0.00%+12,303+70.2%Added
ION Fund Management Ltd30,270$755.8K0.09%00.0%Unchanged
Jump Financial, LLC31,399$784.0K0.01%−188,086−85.7%Reduced
Toth Financial Advisory Corp35,382$883.5K0.09%+24,200+216.4%Added
NBC Securities, Inc.35,425$884.6K0.06%00.0%Unchanged
Ameriprise Financial Inc35,801$893.9K0.00%−4,053−10.2%Reduced
Janney Montgomery Scott LLC35,859$895.0K0.00%+35,859New
IMC-Chicago, LLC36,255$905.3K0.01%+36,255New
Balyasny Asset Management LLC40,127$1.00M0.00%+7,257+22.1%Added
Glenorchy Capital Ltd40,242$1.00M0.63%+1,496+3.9%Added
Kestra Private Wealth Services, LLC40,539$1.01M0.01%+40,539New
Winton Group Ltd42,600$1.06M0.03%−62,989−59.7%Reduced
Point Nemo Capital, LLC47,112$1.18M0.60%+47,112New
Toroso Investments, LLC50,251$1.25M0.00%−19,080−27.5%Reduced
SG Americas Securities, LLC51,496$1.29M0.00%+43,375+534.1%Added
Horizon Kinetics Asset Management LLC52,066$1.30M0.01%+296+0.6%Added
Raymond James Financial Inc53,523$1.34M0.00%−1,152−2.1%Reduced
BTG Pactual Asset Management US LLC53,570$1.34M0.10%+1,986+3.9%Added
Dakota Wealth Management54,155$1.35M0.03%+1,763+3.4%Added
Squarepoint Ops LLC54,281$1.36M0.00%−27,011−33.2%Reduced
Public Employees Retirement System of Ohio54,886$1.37M0.00%+50,616+1,185.4%Added
HSBC Holdings PLC62,200$1.54M0.00%+22,100+55.1%Added
Relyea Zuckerberg Hanson LLC64,390$1.61M0.13%00.0%Unchanged
XTX Topco Ltd65,172$1.63M0.02%−241,598−78.8%Reduced
New York State Common Retirement Fund65,914$1.65M0.00%+65,914New
Headlands Technologies LLC66,333$1.66M0.18%+518+0.8%Added
Raiffeisen Bank International AG66,429$1.66M0.02%+13,851+26.3%Added
Vanguard Capital Management LLC68,611$1.71M0.00%00.0%Unchanged
SEI Investments Co73,163$1.83M0.00%+73,163New
Graham Capital Wealth Management, LLC75,823$1.89M1.46%+1,272+1.7%Added
Northern Trust Corp77,342$1.93M0.00%+746+1.0%Added
Impala Asset Management LLC80,479$2.01M1.14%−39,521−32.9%Reduced
Stifel Financial Corp80,690$2.01M0.00%+6,447+8.7%Added
Y-Intercept (Hong Kong) Ltd83,756$2.09M0.04%−61,189−42.2%Reduced
Capital Fund Management S.A.83,919$2.10M0.02%+61,532+274.9%Added
Buckland Partners Management Co LLC84,590$2.11M1.03%00.0%Unchanged
RBF Capital, LLC85,000$2.12M0.09%00.0%Unchanged
Mraz, Amerine & Associates, Inc.97,991$2.45M0.35%00.0%Unchanged
State Street Corp105,539$2.64M0.00%−10,007−8.7%Reduced
Manatuck Hill Partners, LLC108,800$2.72M0.90%−25,000−18.7%Reduced
BNP Paribas Arbitrage, SA115,619$2.89M0.00%+18,522+19.1%Added
KLP Kapitalforvaltning AS120,000$3.00M0.01%−20,000−14.3%Reduced
CFM Wealth Partners LLC121,072$3.02M0.39%+6,647+5.8%Added
Jane Street Group, LLC138,032$3.45M0.00%−412,257−74.9%Reduced
Wexford Capital LP144,800$3.62M0.50%+144,800New
Geode Capital Management, LLC153,810$3.84M0.00%−297−0.2%Reduced
Schonfeld Strategic Advisors LLC155,386$3.88M0.02%−641−0.4%Reduced
Numerai GP LLC159,066$3.97M0.32%+16,012+11.2%Added
Gsa Capital Partners LLP177,968$4.44M0.28%−91,808−34.0%Reduced
Sprott Inc.204,784$5.11M0.17%+204,784New
HRT Financial LP205,415$5.13M0.01%−565,812−73.4%Reduced
J. Safra Sarasin Holding AG228,694$5.71M0.08%+228,694New
Engineers Gate Manager LP268,029$6.69M0.09%−45,078−14.4%Reduced
LPL Financial LLC268,577$6.71M0.00%−4,186−1.5%Reduced
Citigroup Inc295,189$7.37M0.00%+282,868+2,295.8%Added
Tudor Investment Corp Et Al305,490$7.63M0.03%−429,520−58.4%Reduced
Russell Investments Group, Ltd.333,897$8.32M0.01%−45,555−12.0%Reduced
Vanguard Portfolio Management LLC336,976$8.41M0.00%−12,428−3.6%Reduced
Valueworks LLC354,140$8.84M1.85%−721−0.2%Reduced
Voloridge Investment Management, LLC367,681$9.18M0.04%−154,867−29.6%Reduced
UBS Group AG375,192$9.37M0.00%+171,300+84.0%Added
Bank of America Corp376,311$9.40M0.00%−189,251−33.5%Reduced
Norges Bank396,000$9.89M0.00%+396,000New
Dymon Asia Capital (Singapore) Pte. Ltd.410,700$10.3M1.65%+328,700+400.9%Added
Point72 Asset Management, L.P.437,815$10.9M0.02%−352,120−44.6%Reduced
Millennium Management LLC472,800$11.8M0.01%−246,701−34.3%Reduced
First Eagle Investment Management, LLC515,000$12.9M0.02%+515,000New
Marnell Management LLC515,698$12.9M6.55%+85,416+19.9%Added
Susquehanna International Group, LLP578,594$14.4M0.01%+294,027+103.3%Added
DnB Asset Management AS585,932$14.6M0.04%−157,853−21.2%Reduced
D. E. Shaw & Co., Inc.591,314$14.8M0.01%−582,563−49.6%Reduced
Citadel Advisors LLC594,246$14.8M0.01%+182,997+44.5%Added
JPMorgan Chase & Co675,646$16.6M0.00%+23,101+3.5%Added
Bridgewater Associates, LP718,057$17.9M0.07%+166,728+30.2%Added
Marex Group plc728,022$18.2M0.14%+601,998+477.7%Added
Artemis Investment Management LLP761,688$19.0M0.17%+685,915+905.2%Added
Marshall Wace, LLP786,668$19.6M0.02%−430,269−35.4%Reduced
Acadian Asset Management LLC788,099$19.7M0.02%+787,444+120,220.5%Added
Boston Partners788,200$19.7M0.02%−838,244−51.5%Reduced
Allianz Asset Management GmbH892,555$22.3M0.02%+93,114+11.6%Added
Arrowstreet Capital, Limited Partnership926,378$23.1M0.01%+168,952+22.3%Added
Encompass Capital Advisors LLC962,500$24.0M1.04%+962,500New
Fearnley Asset Management AS1,004,209$25.1M9.02%+53,003+5.6%Added
Morgan Stanley1,040,248$26.0M0.00%−494,457−32.2%Reduced
Qube Research & Technologies Ltd1,156,624$28.9M0.03%+69,782+6.4%Added
Colony Group, LLC1,263,659$31.6M0.03%+123,836+10.9%Added
Philosophy Capital Management LLC1,752,666$43.8M4.20%−121,752−6.5%Reduced
Goldman Sachs Group Inc2,014,371$50.3M0.01%+276,438+15.9%Added
Victory Capital Management Inc2,027,422$50.6M0.03%+107,133+5.6%Added