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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 2021

Institutional positions in Star Bulk Carriers Corp. as of Jun 30, 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
126
+39 vs. Q1 2021
Shares held
62.7M
+3.44M (+5.8%) vs. Q1 2021
Total value
$1.44B
+$567.9M (+65.4%) vs. Q1 2021
New holders
54
36 more added
Sold out
15
26 more reduced

2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 126 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 2021: $1.44B
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 2021

Shares, value and share of portfolio for each institution holding Star Bulk Carriers Corp.; share changes are against Q1 2021.

Institutions holding SBLK in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Oaktree Capital Management LPSuperinvestorOaktree Capital25,993,242$596.5M8.05%−13,012,775−33.4%Reduced
FMR LLC10,223,972$234.6M0.02%+6,749,050+194.2%Added
Skandinaviska Enskilda Banken AB (publ)2,384,982$54.7M0.34%+1,859,585+353.9%Added
Driehaus Capital Management LLC1,683,997$38.6M0.51%−327,147−16.3%Reduced
SG Americas Securities, LLC1,609,716$36.9M0.19%+1,589,716+7,948.6%Added
Morgan Stanley1,348,482$30.9M0.00%+73,254+5.7%Added
Marshall Wace, LLP1,335,258$30.6M0.16%+176,384+15.2%Added
Impala Asset Management LLC1,287,394$29.5M2.07%−613,077−32.3%Reduced
Caas Capital Management LP1,235,674$28.4M1.52%+1,235,674New
Arrowstreet Capital, Limited Partnership1,198,580$27.5M0.03%+385,740+47.5%Added
No Street GP LP925,000$21.2M3.33%+25,000+2.8%Added
Millennium Management LLC922,975$21.2M0.03%+769,983+503.3%Added
Two Sigma Investments, LP861,190$19.8M0.05%+509,752+145.0%Added
Marshall Wace North America L.P.695,775$16.0M0.07%+298,850+75.3%Added
Stifel Financial Corp597,485$13.7M0.02%+597,485New
Susquehanna International Group, LLP513,849$11.8M0.01%+254,502+98.1%Added
Lonestar Capital Management LLC485,671$11.1M4.93%+81,671+20.2%Added
Renaissance Technologies LLC475,366$10.9M0.01%−522,860−52.4%Reduced
ExodusPoint Capital Management, LP460,615$10.6M0.16%+460,615New
Two Sigma Advisers, LP406,940$9.34M0.02%+271,100+199.6%Added
Voloridge Investment Management, LLC397,004$9.11M0.06%+74,349+23.0%Added
Goldman Sachs Group Inc379,535$8.71M0.00%+259,246+215.5%Added
Valueworks LLC362,084$8.31M3.58%+362,084New
Artemis Investment Management LLP353,759$8.13M0.07%+7,959+2.3%Added
Thomas White International Ltd257,525$5.91M0.81%+257,525New
Assenagon Asset Management S.A.248,779$5.71M0.02%+248,779New
EAM Global Investors LLC222,065$5.10M1.41%−30,559−12.1%Reduced
Manatuck Hill Partners, LLC221,200$5.08M1.54%−20,000−8.3%Reduced
HSBC Holdings PLC216,088$4.97M0.01%+216,088New
Citadel Advisors LLC215,449$4.95M0.01%+37,472+21.1%Added
J. Goldman & Co LP201,947$4.63M0.29%+201,947New
Clearbridge Investments, LLC191,510$4.39M0.00%+66,960+53.8%Added
Wexford Capital LP185,754$4.26M0.64%+185,754New
Schroder Investment Management Group168,711$3.87M0.00%+168,711New
Acadian Asset Management LLC168,224$3.86M0.01%+168,224New
Caption Management, LLC165,900$3.81M0.34%+165,900New
Churchill Management Corp161,698$3.71M0.05%+1,873+1.2%Added
Deutsche Bank AG161,126$3.70M0.00%−80,917−33.4%Reduced
Beck Capital Management, LLC152,139$3.49M1.17%+152,139New
Amundi143,951$3.30M0.00%+143,951New
Harvey Capital Management Inc143,125$3.28M1.08%+143,125New
Jane Street Group, LLC136,586$3.13M0.01%+50,218+58.1%Added
Advisor Group Holdings, Inc.132,892$3.05M0.01%+52,618+65.5%Added
Walleye Capital LLC130,210$2.99M0.11%+53,997+70.9%Added
Gsa Capital Partners LLP126,599$2.90M0.33%+69,594+122.1%Added
Kingfisher Capital LLC124,682$2.86M0.73%+22,444+22.0%Added
Alpha Paradigm Partners, LLC112,341$2.58M0.97%+54,084+92.8%Added
Geode Capital Management, LLC108,733$2.50M0.00%+57,484+112.2%Added
HRT Financial LP104,338$2.39M0.02%+104,338New
State Street Corp97,559$2.24M0.00%−2,191−2.2%Reduced
Maven Securities LTD94,810$2.17M0.23%+94,810New
RBF Capital, LLC92,000$2.11M0.12%00.0%Unchanged
JPMorgan Chase & Co90,607$2.08M0.00%+90,497+82,270.0%Added
Jump Financial, LLC89,500$2.05M0.20%+89,500New
L & S Advisors Inc88,451$2.03M0.22%+88,451New
Seven Eight Capital, LP87,438$2.01M0.28%+87,438New
Cubist Systematic Strategies, LLC77,973$1.79M0.02%−38,910−33.3%Reduced
Northern Trust Corp72,040$1.65M0.00%−9,555−11.7%Reduced
Brewin Dolphin Ltd67,122$1.54M0.07%+40,672+153.8%Added
Parametric Portfolio Associates LLC66,448$1.52M0.00%−4,996−7.0%Reduced
BlackRock Inc.62,831$1.44M0.00%+51,226+441.4%Added
Stephens Inc60,663$1.39M0.02%+60,663New
Quadrature Capital Ltd58,221$1.34M0.05%−194−0.3%Reduced
SEI Investments Co56,194$1.29M0.00%+56,194New
Invesco Ltd.54,913$1.26M0.00%−2,014−3.5%Reduced
Engineers Gate Manager LP51,947$1.19M0.08%+51,947New
Allianz Asset Management GmbH50,558$1.16M0.00%00.0%Unchanged
CIBC World Markets Inc.49,128$1.13M0.00%+49,128New
Wolverine Trading, LLC46,115$1.05M0.03%+7,635+19.8%Added
Williams Jones Wealth Management, LLC.43,535$999.0K0.01%−14,760−25.3%Reduced
Employees Retirement System of Texas39,494$906.0K0.01%−6,375−13.9%Reduced
Navellier & Associates Inc37,046$850.0K0.13%+37,046New
Simplex Trading, LLC36,224$831.0K0.03%+36,224New
LPL Financial LLC36,032$827.0K0.00%−14,114−28.1%Reduced
Occudo Quantitative Strategies LP34,171$784.0K0.12%−10,031−22.7%Reduced
Wellington Management Group LLP32,986$757.0K0.00%+32,986New
D. E. Shaw & Co., Inc.31,437$721.0K0.00%+31,437New
Storebrand Asset Management AS86,030$649.8K0.00%00.0%Unchanged
Wells Fargo & Company26,887$617.0K0.00%+26,887New
Walleye Trading LLC26,400$606.0K0.02%−5,150−16.3%Reduced
Jeereddi Investments, LP26,071$598.0K0.50%−10,747−29.2%Reduced
Schonfeld Strategic Advisors LLC25,420$584.0K0.01%+25,420New
Sippican Capital Advisors24,630$565.0K0.49%−2,625−9.6%Reduced
Harbor Financial Services, LLC24,255$557.0K0.23%−10,445−30.1%Reduced
Qube Research & Technologies Ltd24,115$553.0K0.01%+24,115New
Capital Fund Management S.A.23,748$545.0K0.01%+23,748New
Royal Bank of Canada22,914$526.0K0.00%+561+2.5%Added
Aigen Investment Management, LP21,883$502.0K0.09%+21,883New
Bank of America Corp20,060$461.0K0.00%+20,054+334,233.3%Added
Cipher Capital LP18,347$421.0K0.23%+18,347New
Prelude Capital Management, LLC17,802$409.0K0.02%+17,802New
Centiva Capital, LP14,727$338.0K0.03%+14,727New
Avidian Wealth Solutions, LLC14,564$334.0K0.03%+14,564New
AMP Capital Investors Ltd14,490$333.0K0.00%+14,490New
Campbell & CO Investment Adviser LLC14,100$324.0K0.14%+14,100New
Barclays PLC13,847$318.0K0.00%+2,571+22.8%Added
IHT Wealth Management, LLC13,872$318.0K0.02%+13,872New
PDT Partners, LLC12,956$297.0K0.02%+12,956New
Proficio Capital Partners LLC12,000$275.0K0.03%00.0%Unchanged
AXA S.A.11,500$264.0K0.00%+11,500New