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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, Q2 2026

Institutional positions in SEACOR Marine Holdings Inc. 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
95
+5 vs. Q1 2026
Shares held
12.2M
+418.3K (+3.6%) vs. Q1 2026
Total value
$93.2M
+$8.96M (+10.6%) vs. Q1 2026
New holders
14
30 more added
Sold out
9
31 more reduced

1 institution 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 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 holdersQ2 2026: 95 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 heldQ2 2026: $93.2M
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, Q2 2026

Shares, value and share of portfolio for each institution holding SEACOR Marine Holdings Inc.; share changes are against Q1 2026.

Institutions holding SMHI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.1,593,198$12.2M0.00%+53,691+3.5%Added
Oppenheimer & Close, LLC1,383,792$10.6M6.68%+2,425+0.2%Added
Dimensional Fund Advisors LP1,186,855$9.08M0.00%−65,865−5.3%Reduced
First Eagle Investment Management, LLC1,033,989$7.91M0.01%−36,500−3.4%Reduced
Vanguard Capital Management LLC943,391$7.22M0.00%−74,396−7.3%Reduced
Robotti Robert713,219$5.46M0.88%−54,727−7.1%Reduced
Flat Footed LLC683,777$5.23M0.91%+683,777New
Geode Capital Management, LLC530,553$4.06M0.00%+26,942+5.3%Added
State Street Corp496,809$3.80M0.00%−1,720−0.3%Reduced
Cerity Partners LLC431,723$3.30M0.00%−3,209−0.7%Reduced
First Manhattan Co309,085$2.36M0.01%−11,500−3.6%Reduced
Morgan Stanley248,053$1.90M0.00%−4,258−1.7%Reduced
Oppenheimer & Co Inc227,400$1.74M0.02%+4,400+2.0%Added
Glenorchy Capital Ltd219,261$1.68M1.05%+8,334+4.0%Added
Semper Augustus Investments Group LLCSuperinvestorSemper Augustus208,175$1.59M0.18%00.0%Unchanged
Northern Trust Corp171,051$1.31M0.00%−24,040−12.3%Reduced
Vanguard Portfolio Management LLC148,776$1.14M0.00%+22,272+17.6%Added
Vanguard Fiduciary Trust Co136,115$1.04M0.00%+1,767+1.3%Added
HighTower Advisors, LLC128,988$986.8K0.00%+213+0.2%Added
Renaissance Technologies LLC114,200$873.6K0.00%−6,200−5.1%Reduced
UBS Group AG108,868$832.8K0.00%+43,811+67.3%Added
JPMorgan Chase & Co93,360$748.7K0.00%−53,915−36.6%Reduced
Nuveen, LLC74,813$572.3K0.00%+4,453+6.3%Added
Citadel Advisors LLC71,979$550.6K0.00%−47,489−39.8%Reduced
D. E. Shaw & Co., Inc.65,633$502.1K0.00%+5,983+10.0%Added
Charles Schwab Investment Management Inc63,560$486.2K0.00%+5,350+9.2%Added
Bridgeway Capital Management, LLC56,570$432.8K0.01%−7,500−11.7%Reduced
AQR Capital Management LLC55,555$425.0K0.00%+55,555New
Bank of New York Mellon Corp52,531$401.9K0.00%−1,022−1.9%Reduced
Bank of America Corp49,919$381.9K0.00%+3,830+8.3%Added
American Century Companies Inc47,503$363.4K0.00%−222−0.5%Reduced
Perennial Advisors, LLC46,038$352.2K0.05%00.0%Unchanged
Goldman Sachs Group Inc29,943$229.1K0.00%−59,833−66.6%Reduced
Invesco Ltd.29,445$225.3K0.00%+139+0.5%Added
XTX Topco Ltd28,483$217.9K0.00%+15,948+127.2%Added
Rhumbline Advisers27,806$212.7K0.00%−866−3.0%Reduced
Barclays PLC27,759$212.4K0.00%−662−2.3%Reduced
Stephens Inc23,536$180.1K0.00%00.0%Unchanged
Wellington Management Group LLP22,297$170.6K0.00%+3,223+16.9%Added
Deutsche Bank AG21,731$166.2K0.00%+8,219+60.8%Added
Empowered Funds, LLC21,170$162.0K0.00%−7,500−26.2%Reduced
Hilltop Holdings Inc.20,600$157.6K0.01%00.0%Unchanged
Neuberger Berman Group LLC18,869$144.3K0.00%+2,532+15.5%Added
Wells Fargo & Company18,653$142.7K0.00%+10,400+126.0%Added
Bryn Mawr Trust Co18,567$142.0K0.00%−20,000−51.9%Reduced
Price T Rowe Associates Inc18,272$140.0K0.00%+5,508+43.2%Added
Alliancebernstein L.P.18,890$135.3K0.00%+2,800+17.4%Added
Citigroup Inc16,132$123.4K0.00%+15,118+1,490.9%Added
MetLife Investment Management13,062$99.9K0.00%+590+4.7%Added
Levin Capital Strategies, L.P.12,000$91.8K0.01%+12,000New
Susquehanna International Group, LLP11,188$85.6K0.00%−4,000−26.3%Reduced
Russell Investments Group, Ltd.10,490$80.2K0.00%+8,674+477.6%Added
FMR LLC10,384$79.4K0.00%−381−3.5%Reduced
Pathstone Holdings, LLC10,275$78.6K0.00%−550−5.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.10,259$78.5K0.00%+73+0.7%Added
Vanguard Global Advisers, LLC9,477$72.5K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey4,890$37.4K0.00%00.0%Unchanged
New York State Common Retirement Fund4,203$32.2K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA3,901$29.8K0.00%−761−16.3%Reduced
Tower Research Capital LLC (TRC)2,676$20.5K0.00%−3,890−59.2%Reduced
Ameritas Investment Partners, Inc.1,989$15.2K0.00%00.0%Unchanged
Royal Bank of Canada1,964$15.0K0.00%−3,754−65.7%Reduced
Legal & General Group Plc1,890$14.5K0.00%00.0%Unchanged
Royal London Asset Management Ltd1,550$11.9K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.1,411$10.8K0.00%+1,411New
The PNC Financial Services Group, Inc.1,188$9.09K0.00%−616−34.1%Reduced
MV Capital Management, Inc.1,131$8.65K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,006$7.70K0.00%00.0%Unchanged
Sterling Capital Management LLC409$3.13K0.00%−314−43.4%Reduced
California State Teachers Retirement System306$2.34K0.00%−875−74.1%Reduced
Advisor Group Holdings, Inc.292$2.23K0.00%+292New
GAMMA Investing LLC281$2.15K0.00%+38+15.6%Added
Private Wealth Management Group, LLC208$1.59K0.00%00.0%Unchanged
Parkside Financial Bank & Trust175$1.34K0.00%00.0%Unchanged
SBI Securities Co., Ltd.152$1.16K0.00%00.0%Unchanged
GWM Advisors LLC127$9720.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC125$9560.00%00.0%Unchanged
Essential Partners LLC116$8870.00%+116New
Cornerstone Financial Management LLC110$8420.00%00.0%Unchanged
Allworth Financial LP108$8270.00%+98+980.0%Added
Harbour Investments, Inc.100$7650.00%00.0%Unchanged
Rialto Wealth Management, LLC69$5280.00%+69New
True Wealth Design, LLC40$3060.00%+20+100.0%Added
EverSource Wealth Advisors, LLC36$2760.00%−3−7.7%Reduced
UBS Asset Management Americas Inc36$2750.00%00.0%Unchanged
Farther Finance Advisors, LLC34$2600.00%+31+1,033.3%Added
Rothschild Investment LLC18$1380.00%+18New
Fortitude Family Office, LLC16$1220.00%+16New
Transamerica Financial Advisors, Inc.9$680.00%+9New
Caitong International Asset Management Co., Ltd7$540.00%+4+133.3%Added
Clearstead Advisors, LLC6$460.00%+6New
Wealth Enhancement Trust Services, Inc.6$460.00%+6New
SJS Investment Consulting Inc.4$310.00%+4New
Optiver Holding B.V.2$150.00%−208−99.0%Reduced
IFP Advisors, Inc2$150.00%+2New
Gsa Capital Partners LLP0$00.00%−38,722−100.0%Sold out
Intech Investment Management LLC0$00.00%−12,193−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−11,255−100.0%Sold out
Jane Street Group, LLC0$00.00%−10,933−100.0%Sold out
Almanack Investment Partners, LLC.0$00.00%−10,905−100.0%Sold out