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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, Q1 2021

Institutional positions in Star Bulk Carriers Corp. as of Mar 31, 2021. 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
89
No complete 13F data for Q4 2020
Shares held
59.3M
No complete 13F data for Q4 2020
Total value
$869.5M
No complete 13F data for Q4 2020

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 holdersQ1 2021: 89 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 heldQ1 2021: $869.5M
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, Q1 2021

Shares, value and share of portfolio for each institution holding Star Bulk Carriers Corp..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding SBLK in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Oaktree Capital Management LPSuperinvestorOaktree Capital39,006,017$572.6M7.99%––
FMR LLC3,474,922$51.0M0.00%––
Driehaus Capital Management LLC2,011,144$29.5M0.44%––
Impala Asset Management LLC1,900,471$27.9M1.99%––
Jefferies Group LLC1,405,287$20.6M0.49%––
Morgan Stanley1,275,228$18.7M0.00%––
Marshall Wace, LLP1,158,874$17.0M0.09%––
Renaissance Technologies LLC998,226$14.7M0.02%––
No Street GP LP900,000$13.2M2.23%––
Arrowstreet Capital, Limited Partnership812,840$11.9M0.02%––
Skandinaviska Enskilda Banken AB (publ)525,397$7.71M0.05%––
Lonestar Capital Management LLC404,000$5.93M3.83%––
Marshall Wace North America L.P.396,925$5.83M0.02%––
Two Sigma Investments, LP351,438$5.16M0.02%––
Artemis Investment Management LLP345,800$5.07M0.05%––
Voloridge Investment Management, LLC322,655$4.74M0.03%––
Susquehanna International Group, LLP259,347$3.81M0.00%––
EAM Global Investors LLC252,624$3.71M1.03%––
Deutsche Bank AG242,043$3.55M0.00%––
Manatuck Hill Partners, LLC241,200$3.54M1.20%––
Citadel Advisors LLC177,977$2.61M0.00%––
Churchill Management Corp159,825$2.35M0.04%––
Millennium Management LLC152,992$2.25M0.00%––
Two Sigma Advisers, LP135,840$1.99M0.01%––
Clearbridge Investments, LLC124,550$1.83M0.00%––
Goldman Sachs Group Inc120,289$1.77M0.00%––
Cubist Systematic Strategies, LLC116,883$1.72M0.02%––
Kingfisher Capital LLC102,238$1.50M0.42%––
State Street Corp99,750$1.46M0.00%––
California Public Employees Retirement System94,800$1.39M0.00%––
RBF Capital, LLC92,000$1.35M0.08%––
Jane Street Group, LLC86,368$1.27M0.00%––
Northern Trust Corp81,595$1.20M0.00%––
Advisor Group Holdings, Inc.80,274$1.18M0.00%––
Group One Trading, L.P.79,406$1.17M0.03%––
Walleye Capital LLC76,213$1.12M0.07%––
Parametric Portfolio Associates LLC71,444$1.05M0.00%––
Quadrature Capital Ltd58,415$859.0K0.04%––
Williams Jones Wealth Management, LLC.58,295$856.0K0.01%––
Alpha Paradigm Partners, LLC58,257$855.0K0.33%––
Gsa Capital Partners LLP57,005$837.0K0.14%––
Invesco Ltd.56,927$836.0K0.00%––
Geode Capital Management, LLC51,249$752.0K0.00%––
Allianz Asset Management GmbH50,558$742.0K0.00%––
Amundi Asset Management US, Inc.50,465$741.0K0.00%––
LPL Financial LLC50,146$736.0K0.00%––
Employees Retirement System of Texas45,869$673.0K0.01%––
Storebrand Asset Management AS86,030$655.1K0.00%––
Occudo Quantitative Strategies LP44,202$649.0K0.14%––
Squarepoint Ops LLC40,569$596.0K0.01%––
Wolverine Trading, LLC38,480$574.0K0.01%––
Jeereddi Investments, LP36,818$540.0K0.40%––
Harbor Financial Services, LLC34,700$509.0K0.24%––
Walleye Trading LLC31,550$463.0K0.02%––
Sippican Capital Advisors27,255$400.0K0.37%––
Brewin Dolphin Ltd26,450$388.3K0.02%––
Mackenzie Financial Corp25,700$377.0K0.00%––
Royal Bank of Canada22,353$328.0K0.00%––
Envestnet Asset Management Inc21,094$310.0K0.00%––
SG Americas Securities, LLC20,000$294.0K0.00%––
Private Advisor Group, LLC16,700$245.0K0.00%––
Belvedere Trading LLC16,210$238.0K0.11%––
Southport Management, L.L.C.15,000$220.2K0.82%––
Proficio Capital Partners LLC12,000$176.0K0.02%––
BlackRock Inc.11,605$170.0K0.00%––
Barclays PLC11,276$166.0K0.00%––
WealthTrust Axiom LLC10,767$158.0K0.05%––
Ajo, LP10,428$153.0K0.08%––
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main10,000$146.8K0.00%––
USA Financial Portformulas Corp8,003$117.0K0.10%––
UBS Group AG7,362$108.0K0.00%––
Cutler Group LP2,880$42.0K0.00%––
Banque Cantonale Vaudoise2,500$37.0K0.00%––
Kistler-Tiffany Companies, LLC2,000$29.0K0.01%––
Legal & General Group Plc1,717$25.0K0.00%––
Bessemer Group Inc1,240$18.0K0.00%––
Bank of Montreal1,000$15.0K0.00%––
Tower Research Capital LLC (TRC)400$6.00K0.00%––
Spire Wealth Management400$6.00K0.00%––
Captrust Financial Advisors350$5.00K0.00%––
American Portfolios Advisors205$3.01K0.00%––
Valeo Financial Advisors, LLC215$3.00K0.00%––
JPMorgan Chase & Co110$2.00K0.00%––
Harbour Investments, Inc.67$1.00K0.00%––
Citigroup Inc100$1.00K0.00%––
Bank of America Corp6$00.00%––
Canada Pension Plan Investment Board10$00.00%––
BDO Wealth Advisors, LLC15$00.00%––
Pacitti Group Inc.33$00.00%––