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SEACOR Marine Holdings Inc.

SMHI
Exchange
NYSE
Industry
Deep Sea Foreign Transportation of Freight
SEC CIK
0001690334

In the last 90 days, SEACOR Marine Holdings Inc. insiders filed 0 open-market purchases and 15 sales; 95 institutions reported holding it in 13F filings for Q2 2026, worth $93.2M in total; Semper Augustus is the only superinvestor holding it.

13F holders, Q3 2021

Institutional positions in SEACOR Marine Holdings Inc. as of Sep 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
43
−4 vs. Q2 2021
Shares held
10.9M
−140.4K (−1.3%) vs. Q2 2021
Total value
$50.6M
+$1.79M (+3.7%) vs. Q2 2021
New holders
1
10 more added
Sold out
5
16 more reduced

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SMHI 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 holdersQ3 2021: 43 institutions
Q1 2021: 48 institutionsQ2 2021: 47 institutionsQ3 2021: 43 institutionsQ4 2021: 39 institutionsQ1 2022: 42 institutionsQ2 2022: 46 institutionsQ3 2022: 42 institutionsQ4 2022: 47 institutionsQ1 2023: 61 institutionsQ2 2023: 64 institutionsQ3 2023: 75 institutionsQ4 2023: 82 institutionsQ1 2024: 92 institutionsQ2 2024: 89 institutionsQ3 2024: 90 institutionsQ4 2024: 91 institutionsQ1 2025: 88 institutionsQ2 2025: 82 institutionsQ3 2025: 91 institutionsQ4 2025: 81 institutionsQ1 2026: 91 institutionsQ2 2026: 95 institutions
Value heldQ3 2021: $50.6M
Q1 2021: $57.9MQ2 2021: $48.8MQ3 2021: $50.6MQ4 2021: $45.9MQ1 2022: $111.7MQ2 2022: $84.0MQ3 2022: $80.8MQ4 2022: $131.5MQ1 2023: $113.0MQ2 2023: $185.6MQ3 2023: $228.6MQ4 2023: $202.0MQ1 2024: $213.2MQ2 2024: $200.4MQ3 2024: $141.8MQ4 2024: $88.6MQ1 2025: $69.2MQ2 2025: $60.4MQ3 2025: $75.3MQ4 2025: $67.8MQ1 2026: $84.2MQ2 2026: $93.2M
Institutions holding SMHI and their total value by quarter
QuarterHoldersValue
Q2 202695$93.2M
Q1 202691$84.2M
Q4 202581$67.8M
Q3 202591$75.3M
Q2 202582$60.4M
Q1 202588$69.2M
Q4 202491$88.6M
Q3 202490$141.8M
Q2 202489$200.4M
Q1 202492$213.2M
Q4 202382$202.0M
Q3 202375$228.6M
Q2 202364$185.6M
Q1 202361$113.0M
Q4 202247$131.5M
Q3 202242$80.8M
Q2 202246$84.0M
Q1 202242$111.7M
Q4 202139$45.9M
Q3 202143$50.6M
Q2 202147$48.8M
Q1 202148$57.9M

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding SEACOR Marine Holdings Inc.; share changes are against Q2 2021.

Institutions holding SMHI in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Price T Rowe Associates Inc4,128,462$19.1M0.00%−8,353−0.2%Reduced
Carlyle Group Inc.1,147,989$5.32M0.04%00.0%Unchanged
Oppenheimer & Close, LLC921,524$4.27M4.09%−40,043−4.2%Reduced
Dimensional Fund Advisors LP834,134$3.86M0.00%−72,812−8.0%Reduced
Vanguard Group Inc824,931$3.82M0.00%00.0%Unchanged
BlackRock Inc.417,441$1.93M0.00%−7,834−1.8%Reduced
Private Management Group Inc386,155$1.79M0.07%−5,541−1.4%Reduced
Robotti Robert384,213$1.78M0.41%+1,370+0.4%Added
First Manhattan Co360,851$1.67M0.01%−16,499−4.4%Reduced
Semper Augustus Investments Group LLCSuperinvestorSemper Augustus260,372$1.21M0.39%−363−0.1%Reduced
Royce & Associates LP216,957$1.00M0.01%00.0%Unchanged
Morgan Stanley204,434$946.0K0.00%+54,907+36.7%Added
Geode Capital Management, LLC157,571$729.0K0.00%−1,297−0.8%Reduced
Bridgeway Capital Management, LLC126,805$587.0K0.01%+18,929+17.5%Added
HighTower Advisors, LLC86,057$399.0K0.00%+38,331+80.3%Added
State Street Corp81,387$377.0K0.00%00.0%Unchanged
Susquehanna Fundamental Investments, LLC72,173$334.0K0.01%−10,010−12.2%Reduced
Bank of America Corp68,558$317.0K0.00%+72+0.1%Added
Northern Trust Corp49,967$231.0K0.00%+34+0.1%Added
Acadian Asset Management LLC32,513$149.0K0.00%−8,196−20.1%Reduced
Perennial Advisors, LLC28,899$134.0K0.04%+500+1.8%Added
Susquehanna International Group, LLP25,299$117.0K0.00%−3,357−11.7%Reduced
Renaissance Technologies LLC25,200$117.0K0.00%−100−0.4%Reduced
Squarepoint Ops LLC24,749$115.0K0.00%−15,543−38.6%Reduced
Bank of New York Mellon Corp10,856$50.0K0.00%00.0%Unchanged
Veritable, L.P.10,000$46.0K0.00%00.0%Unchanged
Levin Capital Strategies, L.P.10,000$46.0K0.00%00.0%Unchanged
Barclays PLC7,995$37.0K0.00%+5,628+237.8%Added
Simplex Trading, LLC6,577$30.0K0.00%−200−3.0%Reduced
Tower Research Capital LLC (TRC)4,934$23.0K0.00%+3,402+222.1%Added
UBS Group AG4,305$20.0K0.00%+3,760+689.9%Added
The PNC Financial Services Group, Inc.3,811$18.0K0.00%00.0%Unchanged
Simon Quick Advisors, LLC3,800$17.0K0.00%00.0%Unchanged
US Bancorp2,292$11.0K0.00%00.0%Unchanged
Royal London Asset Management Ltd1,550$7.00K0.00%00.0%Unchanged
PSI Advisors, LLC1,313$6.00K0.00%+1,313New
MV Capital Management, Inc.1,131$5.00K0.00%00.0%Unchanged
Wells Fargo & Company436$2.00K0.00%−3−0.7%Reduced
Parkside Financial Bank & Trust175$1.00K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA204$9450.00%00.0%Unchanged
JPMorgan Chase & Co51$00.00%00.0%Unchanged
FMR LLC112$00.00%−32−22.2%Reduced
Harbour Investments, Inc.100$00.00%00.0%Unchanged
Deutsche Bank AG0$00.00%−48,723−100.0%Sold out
Citadel Advisors LLC0$00.00%−13,493−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−10,065−100.0%Sold out
Royal Bank of Canada0$00.00%−5,005−100.0%Sold out
Group One Trading, L.P.0$00.00%−1,200−100.0%Sold out