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, Q1 2026
Institutional positions in SEACOR Marine Holdings Inc. as of Mar 31, 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
- 91
- +12 vs. Q4 2025
- Shares held
- 11.8M
- +1.77M (+17.8%) vs. Q4 2025
- Total value
- $84.2M
- +$24.1M (+40.1%) vs. Q4 2025
- New holders
- 21
- 20 more added
- Sold out
- 9
- 31 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 95 | $93.2M |
| Q1 2026 | 91 | $84.2M |
| Q4 2025 | 81 | $67.8M |
| Q3 2025 | 91 | $75.3M |
| Q2 2025 | 82 | $60.4M |
| Q1 2025 | 88 | $69.2M |
| Q4 2024 | 91 | $88.6M |
| Q3 2024 | 90 | $141.8M |
| Q2 2024 | 89 | $200.4M |
| Q1 2024 | 92 | $213.2M |
| Q4 2023 | 82 | $202.0M |
| Q3 2023 | 75 | $228.6M |
| Q2 2023 | 64 | $185.6M |
| Q1 2023 | 61 | $113.0M |
| Q4 2022 | 47 | $131.5M |
| Q3 2022 | 42 | $80.8M |
| Q2 2022 | 46 | $84.0M |
| Q1 2022 | 42 | $111.7M |
| Q4 2021 | 39 | $45.9M |
| Q3 2021 | 43 | $50.6M |
| Q2 2021 | 47 | $48.8M |
| Q1 2021 | 48 | $57.9M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding SEACOR Marine Holdings Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,539,507 | $11.0M | 0.00% | −21,273−1.4% | Reduced |
| Oppenheimer & Close, LLC | 1,381,367 | $9.89M | 6.24% | +827,534+149.4% | Added |
| Dimensional Fund Advisors LP | 1,252,720 | $8.97M | 0.00% | −31,284−2.4% | Reduced |
| First Eagle Investment Management, LLC | 1,070,489 | $7.66M | 0.01% | −40,678−3.7% | Reduced |
| Vanguard Capital Management LLC | 1,017,787 | $7.29M | 0.00% | +1,017,787 | New |
| Robotti Robert | 767,946 | $5.50M | 0.86% | −75,000−8.9% | Reduced |
| Geode Capital Management, LLC | 503,611 | $3.61M | 0.00% | +17,881+3.7% | Added |
| State Street Corp | 498,529 | $3.57M | 0.00% | −34,898−6.5% | Reduced |
| Cerity Partners LLC | 434,932 | $3.11M | 0.00% | −1390.0% | Reduced |
| First Manhattan Co | 320,585 | $2.30M | 0.01% | −58,160−15.4% | Reduced |
| Morgan Stanley | 252,311 | $1.81M | 0.00% | +4,536+1.8% | Added |
| Oppenheimer & Co Inc | 223,000 | $1.60M | 0.02% | +2,500+1.1% | Added |
| Glenorchy Capital Ltd | 210,927 | $1.51M | 0.82% | +18,124+9.4% | Added |
| Semper Augustus Investments Group LLCSuperinvestorSemper Augustus | 208,175 | $1.49M | 0.18% | 00.0% | Unchanged |
| Northern Trust Corp | 195,091 | $1.40M | 0.00% | +12,118+6.6% | Added |
| JPMorgan Chase & Co | 147,275 | $1.10M | 0.00% | −22,805−13.4% | Reduced |
| Vanguard Fiduciary Trust Co | 134,348 | $961.9K | 0.00% | +134,348 | New |
| HighTower Advisors, LLC | 128,775 | $922.0K | 0.00% | −823−0.6% | Reduced |
| Vanguard Portfolio Management LLC | 126,504 | $905.8K | 0.00% | +126,504 | New |
| Renaissance Technologies LLC | 120,400 | $862.1K | 0.00% | +2,100+1.8% | Added |
| Citadel Advisors LLC | 119,468 | $855.4K | 0.00% | +74,085+163.2% | Added |
| Goldman Sachs Group Inc | 89,776 | $642.8K | 0.00% | −20,703−18.7% | Reduced |
| Nuveen, LLC | 70,360 | $503.8K | 0.00% | +646+0.9% | Added |
| UBS Group AG | 65,057 | $465.8K | 0.00% | +54,851+537.4% | Added |
| Bridgeway Capital Management, LLC | 64,070 | $458.7K | 0.01% | −14,000−17.9% | Reduced |
| D. E. Shaw & Co., Inc. | 59,650 | $427.1K | 0.00% | +4,130+7.4% | Added |
| Charles Schwab Investment Management Inc | 58,210 | $416.8K | 0.00% | −3,241−5.3% | Reduced |
| Bank of New York Mellon Corp | 53,553 | $383.4K | 0.00% | +3,937+7.9% | Added |
| American Century Companies Inc | 47,725 | $341.7K | 0.00% | −307−0.6% | Reduced |
| Bank of America Corp | 46,089 | $330.0K | 0.00% | −14,512−23.9% | Reduced |
| Perennial Advisors, LLC | 46,038 | $329.6K | 0.06% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 38,722 | $277.0K | 0.02% | +3,067+8.6% | Added |
| Bryn Mawr Trust Co | 38,567 | $276.1K | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 29,306 | $209.8K | 0.00% | −285−1.0% | Reduced |
| Rhumbline Advisers | 28,672 | $205.3K | 0.00% | −333−1.1% | Reduced |
| Empowered Funds, LLC | 28,670 | $205.3K | 0.00% | −14,000−32.8% | Reduced |
| Barclays PLC | 28,421 | $203.5K | 0.00% | −29,764−51.2% | Reduced |
| Stephens Inc | 23,536 | $168.5K | 0.00% | 00.0% | Unchanged |
| Hilltop Holdings Inc. | 20,600 | $147.5K | 0.01% | +20,600 | New |
| Wellington Management Group LLP | 19,074 | $136.6K | 0.00% | −1,971−9.4% | Reduced |
| Neuberger Berman Group LLC | 16,337 | $117.0K | 0.00% | −83−0.5% | Reduced |
| Susquehanna International Group, LLP | 15,188 | $108.7K | 0.00% | +15,188 | New |
| Alliancebernstein L.P. | 16,090 | $96.9K | 0.00% | −1,800−10.1% | Reduced |
| Deutsche Bank AG | 13,512 | $96.7K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 12,764 | $92.0K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 12,535 | $89.8K | 0.00% | +12,535 | New |
| MetLife Investment Management | 12,472 | $89.3K | 0.00% | +12,472 | New |
| Intech Investment Management LLC | 12,193 | $87.3K | 0.00% | +12,193 | New |
| Mirabella Financial Services LLP | 11,255 | $80.6K | 0.01% | +11,255 | New |
| Jane Street Group, LLC | 10,933 | $78.3K | 0.00% | −34,025−75.7% | Reduced |
| Almanack Investment Partners, LLC. | 10,905 | $78.1K | 0.01% | +10,905 | New |
| Pathstone Holdings, LLC | 10,825 | $77.5K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 10,765 | $77.1K | 0.00% | +780+7.8% | Added |
| Callan Family Office, LLC | 10,451 | $74.8K | 0.00% | +144+1.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 10,186 | $72.9K | 0.00% | +238+2.4% | Added |
| Vanguard Global Advisers, LLC | 9,477 | $67.9K | 0.00% | +9,477 | New |
| Wells Fargo & Company | 8,253 | $59.1K | 0.00% | −16,233−66.3% | Reduced |
| Tower Research Capital LLC (TRC) | 6,566 | $47.0K | 0.00% | +4,703+252.4% | Added |
| Royal Bank of Canada | 5,718 | $41.0K | 0.00% | +5,069+781.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,890 | $35.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 4,662 | $33.4K | 0.00% | −141−2.9% | Reduced |
| New York State Common Retirement Fund | 4,203 | $30.1K | 0.00% | −15,700−78.9% | Reduced |
| Ameritas Investment Partners, Inc. | 1,989 | $14.2K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,890 | $13.6K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 1,816 | $13.0K | 0.00% | +48+2.7% | Added |
| The PNC Financial Services Group, Inc. | 1,804 | $12.9K | 0.00% | −67−3.6% | Reduced |
| Royal London Asset Management Ltd | 1,550 | $11.1K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,181 | $8.46K | 0.00% | −161−12.0% | Reduced |
| MV Capital Management, Inc. | 1,131 | $8.10K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,014 | $7.26K | 0.00% | −573−36.1% | Reduced |
| Nisa Investment Advisors, LLC | 1,006 | $7.20K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 723 | $5.18K | 0.00% | −536−42.6% | Reduced |
| Golden State Equity Partners | 600 | $4.30K | 0.00% | +600 | New |
| CWM, LLC | 557 | $3.99K | 0.00% | +63+12.8% | Added |
| GAMMA Investing LLC | 243 | $1.74K | 0.00% | −4−1.6% | Reduced |
| Optiver Holding B.V. | 210 | $1.50K | 0.00% | −184−46.7% | Reduced |
| Private Wealth Management Group, LLC | 208 | $1.49K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 175 | $1.25K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 152 | $1.09K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 127 | $909 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 125 | $895 | 0.00% | +125 | New |
| Cornerstone Financial Management LLC | 110 | $788 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 100 | $716 | 0.00% | +100 | New |
| EverSource Wealth Advisors, LLC | 39 | $279 | 0.00% | +39 | New |
| Root Financial Partners, LLC | 37 | $265 | 0.00% | +37 | New |
| UBS Asset Management Americas Inc | 36 | $258 | 0.00% | +36 | New |
| True Wealth Design, LLC | 20 | $144 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 10 | $72 | 0.00% | +10 | New |
| MAI Capital Management | 3 | $22 | 0.00% | +3 | New |
| Farther Finance Advisors, LLC | 3 | $22 | 0.00% | +3 | New |
| Caitong International Asset Management Co., Ltd | 3 | $21 | 0.00% | +3 | New |
| Epacria Capital Partners, LLC | 0 | $0 | 0.00% | −155,230−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −13,538−100.0% | Sold out |
| Levin Capital Strategies, L.P. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −3,497−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −814−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −686−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −435−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −292−100.0% | Sold out |