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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 2025

Institutional positions in SEACOR Marine Holdings Inc. as of Sep 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
91
+9 vs. Q2 2025
Shares held
11.6M
−241.0K (−2.0%) vs. Q2 2025
Total value
$75.3M
+$14.9M (+24.7%) vs. Q2 2025
New holders
12
23 more added
Sold out
3
32 more reduced

Compare with Q2 2025: 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 2025: 91 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 2025: $75.3M
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 2025

Shares, value and share of portfolio for each institution holding SEACOR Marine Holdings Inc.; share changes are against Q2 2025.

Institutions holding SMHI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cloud Capital Management, LLC5$00.00%+5New
Transamerica Financial Advisors, Inc.8$520.00%+8New
True Wealth Design, LLC20$1300.00%−2−9.1%Reduced
Whittier Trust Co52$3230.00%+52New
SRS Capital Advisors, Inc.96$6230.00%+96New
SBI Securities Co., Ltd.153$9930.00%+1+0.7%Added
Parkside Financial Bank & Trust175$1.14K0.00%00.0%Unchanged
Private Wealth Management Group, LLC208$1.35K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.292$1.90K0.00%00.0%Unchanged
Optiver Holding B.V.394$2.56K0.00%+394New
Group One Trading, L.P.435$2.82K0.00%+435New
CWM, LLC513$3.00K0.00%+45+9.6%Added
GAMMA Investing LLC490$3.18K0.00%−716−59.4%Reduced
ORG Partners LLC600$3.89K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC742$4.82K0.00%00.0%Unchanged
Amalgamated Bank812$5.00K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,057$6.86K0.00%+51+5.1%Added
MV Capital Management, Inc.1,131$7.34K0.00%00.0%Unchanged
Sterling Capital Management LLC1,418$9.20K0.00%+729+105.8%Added
Royal London Asset Management Ltd1,550$10.1K0.00%00.0%Unchanged
US Bancorp1,648$10.7K0.00%00.0%Unchanged
Russell Investments Group, Ltd.1,768$11.5K0.00%+1,768New
California State Teachers Retirement System1,768$11.5K0.00%+1+0.1%Added
Legal & General Group Plc1,890$12.3K0.00%00.0%Unchanged
Citigroup Inc1,894$12.3K0.00%−7,854−80.6%Reduced
Ameritas Investment Partners, Inc.1,989$12.9K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,208$14.3K0.00%−7,754−77.8%Reduced
GWM Advisors LLC3,002$19.5K0.00%+2,875+2,263.8%Added
BNP Paribas Arbitrage, SA3,962$25.7K0.00%+1,699+75.1%Added
Police & Firemen's Retirement System of New Jersey4,890$31.7K0.00%00.0%Unchanged
FMR LLC5,232$34.0K0.00%+1,015+24.1%Added
The PNC Financial Services Group, Inc.5,515$35.8K0.00%+1,478+36.6%Added
Mirae Asset Global ETFs Holdings Ltd.9,640$62.6K0.00%−1,583−14.1%Reduced
Intech Investment Management LLC10,233$66.4K0.00%−2,277−18.2%Reduced
Simplex Trading, LLC10,359$67.0K0.00%+10,359New
Pathstone Holdings, LLC11,043$71.7K0.00%+218+2.0%Added
Susquehanna International Group, LLP12,097$78.5K0.00%−27,161−69.2%Reduced
MetLife Investment Management12,173$79.0K0.00%+12,173New
Price T Rowe Associates Inc12,764$83.0K0.00%00.0%Unchanged
Millennium Management LLC13,474$87.4K0.00%−33,068−71.0%Reduced
Raymond James Financial Inc15,065$97.8K0.00%+10,000+197.4%Added
Neuberger Berman Group LLC15,671$101.7K0.00%+4,290+37.7%Added
Wells Fargo & Company15,753$102.2K0.00%+2,569+19.5%Added
Levin Capital Strategies, L.P.17,000$110.3K0.01%00.0%Unchanged
Alliancebernstein L.P.17,890$116.1K0.00%+1,300+7.8%Added
UBS Group AG18,479$119.9K0.00%−557−2.9%Reduced
HRT Financial LP19,767$128.0K0.00%−4,979−20.1%Reduced
New York State Common Retirement Fund19,903$129.2K0.00%00.0%Unchanged
HSBC Holdings PLC20,690$132.4K0.00%+2,780+15.5%Added
Wellington Management Group LLP21,045$136.6K0.00%−8,534−28.9%Reduced
Stephens Inc23,536$152.7K0.00%00.0%Unchanged
Barington Capital Group, L.P.25,000$162.3K0.12%+25,000New
MAI Capital Management29,368$190.6K0.00%00.0%Unchanged
Trexquant Investment LP29,518$191.6K0.00%−1,184−3.9%Reduced
Deutsche Bank AG30,672$199.1K0.00%+30,672New
D. E. Shaw & Co., Inc.31,648$205.4K0.00%+31,648New
Rhumbline Advisers33,295$216.1K0.00%−6,567−16.5%Reduced
Bryn Mawr Trust Co38,567$250.3K0.01%00.0%Unchanged
Invesco Ltd.38,787$251.7K0.00%−7,461−16.1%Reduced
Empowered Funds, LLC42,670$276.9K0.00%+130+0.3%Added
Perennial Advisors, LLC46,038$298.8K0.05%00.0%Unchanged
Gsa Capital Partners LLP46,215$300.0K0.03%+28,458+160.3%Added
Royal Bank of Canada47,061$305.0K0.00%−5,429−10.3%Reduced
American Century Companies Inc48,905$317.4K0.00%00.0%Unchanged
Barclays PLC53,125$344.8K0.00%−6,297−10.6%Reduced
Bank of New York Mellon Corp53,295$345.9K0.00%−1,360−2.5%Reduced
Charles Schwab Investment Management Inc61,456$398.8K0.00%+270.0%Added
Bank of America Corp64,466$418.4K0.00%−2,421−3.6%Reduced
Jane Street Group, LLC68,258$443.0K0.00%+41,143+151.7%Added
Nuveen, LLC69,714$452.4K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC78,070$506.7K0.01%−16,260−17.2%Reduced
Goldman Sachs Group Inc98,438$638.9K0.00%+7,361+8.1%Added
HighTower Advisors, LLC129,598$841.1K0.00%00.0%Unchanged
Epacria Capital Partners, LLC155,230$1.01M0.82%00.0%Unchanged
JPMorgan Chase & Co171,390$1.11M0.00%+29,955+21.2%Added
Renaissance Technologies LLC178,500$1.16M0.00%−33,900−16.0%Reduced
Glenorchy Capital Ltd184,851$1.20M0.87%−381−0.2%Reduced
Northern Trust Corp192,820$1.25M0.00%−13,449−6.5%Reduced
Oppenheimer & Co Inc207,500$1.35M0.02%+10,100+5.1%Added
Semper Augustus Investments Group LLCSuperinvestorSemper Augustus211,480$1.37M0.17%00.0%Unchanged
Morgan Stanley280,767$1.82M0.00%−18,591−6.2%Reduced
First Manhattan Co400,495$2.60M0.01%+7,500+1.9%Added
Cerity Partners LLC434,522$2.82M0.00%−13,176−2.9%Reduced
Geode Capital Management, LLC480,613$3.12M0.00%−26,968−5.3%Reduced
State Street Corp532,208$3.45M0.00%−4,201−0.8%Reduced
Oppenheimer & Close, LLC550,922$3.58M2.42%−1130.0%Reduced
Robotti Robert841,916$5.46M0.95%−2,360−0.3%Reduced
First Eagle Investment Management, LLC1,135,194$7.37M0.01%−2,700−0.2%Reduced
Vanguard Group Inc1,235,033$8.02M0.00%−117,541−8.7%Reduced
Dimensional Fund Advisors LP1,359,253$8.82M0.00%−41,563−3.0%Reduced
BlackRock, Inc.1,541,643$10.0M0.00%−88,818−5.4%Reduced
Bessemer Group Inc0$00.00%−2,000−100.0%Sold out
IFP Advisors, Inc0$00.00%0Sold out
Avion Wealth0$00.00%−130−100.0%Sold out