Seacor Marine HoldingsSMHI
13F holders, Q4 2025 (December 31)81holders −10
4new positions
15sold out
4famous investors
$6.02avg. 13F price*
At the end of Q4 2025, 81 institutions reported holding Seacor Marine Holdings Inc. (SMHI) in their 13F filings, down 10 from Q3 2025. 4 opened new positions and 15 sold out. The largest holders were BlackRock, Inc. ($9.4M), Dimensional Fund Advisors LP ($7.7M) and Vanguard Group Inc. ($7.7M). 4 famous investors held it, including Chris Bloomstran (0.1% of Semper Augustus Investments's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Seacor Marine Holdings Inc.
- CUSIP
- 78413P101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $416K |
| Exits | 15 | $1.1M |
All 13F filers, Q3 2025 → Q4 2025: 215,986 shares bought and 557,650 shares sold, net −341,664 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 81 holders
| BlackRock, Inc. | 0.00% | Add +1.2% | 1,560,780 | $9.4M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.5% | 1,284,004 | $7.7M |
| Vanguard Group Inc. | 0.00% | Add +3.2% | 1,274,560 | $7.7M |
| First Eagle Investment Management, LLC | 0.01% | Reduce -2.1% | 1,111,167 | $6.7M |
| Robotti Robert | 0.91% | Add +0.1% | 842,946 | $5.1M |
| Oppenheimer & Close, LLC | 2.27% | Add +0.5% | 553,833 | $3.3M |
| State Street Corp. | 0.00% | Add +0.2% | 533,427 | $3.2M |
| Geode Capital Management, LLC | 0.00% | Add +1.1% | 485,730 | $2.9M |
| Cerity Partners LLC | 0.00% | Add +0.1% | 435,071 | $2.6M |
| First Manhattan Co. Llc. | 0.01% | Reduce -5.4% | 378,745 | $2.3M |
| Morgan Stanley | 0.00% | Reduce -11.8% | 247,775 | $1.5M |
| Oppenheimer & Co. Inc. | 0.02% | Add +6.3% | 220,500 | $1.3M |
| Semper Augustus Investments | 0.14% | Reduce -1.6% | 208,175 | $1.3M |
| Glenorchy Capital Ltd | 0.75% | Add +4.3% | 192,803 | $1.2M |
| Northern Trust Corp. | 0.00% | Reduce -5.1% | 182,973 | $1.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.8% | 170,080 | $1.0M |
| Epacria Capital Partners, LLC | 0.74% | No change | 155,230 | $934K |
| HighTower Advisors, LLC | 0.00% | No change | 129,598 | $780K |
| Renaissance Technologies | 0.00% | Reduce -33.7% | 118,300 | $712K |
| Goldman Sachs Group Inc. | 0.00% | Add +12.2% | 110,479 | $665K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 78,070 | $470K |
| Nuveen, LLC | 0.00% | No change | 69,714 | $420K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.0% | 61,451 | $370K |
| Bank of America Corp. | 0.00% | Reduce -6.0% | 60,601 | $365K |
| Barclays PLC | 0.00% | Add +9.5% | 58,185 | $350K |
| D. E. Shaw & Co. | 0.00% | Add +75.4% | 55,520 | $334K |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.9% | 49,616 | $299K |
| American Century Companies Inc. | 0.00% | Reduce -1.8% | 48,032 | $289K |
| Perennial Advisors, LLC | 0.05% | No change | 46,038 | $277K |
| Citadel Advisors | 0.00% | New | 45,383 | $273K |
| Jane Street Group, LLC | 0.00% | Reduce -34.1% | 44,958 | $271K |
| Empowered Funds, LLC | 0.00% | No change | 42,670 | $257K |
| Wilmington Savings Fund Society, FSB | 0.01% | No change | 38,567 | $232K |
| Gsa Capital Partners LLP | 0.02% | Reduce -22.9% | 35,655 | $215K |
| Invesco Ltd. | 0.00% | Reduce -23.7% | 29,591 | $178K |
| Rhumbline Advisers | 0.00% | Reduce -12.9% | 29,005 | $175K |
| Wells Fargo & Company | 0.00% | Add +55.4% | 24,486 | $147K |
| Stephens Inc. | 0.00% | No change | 23,536 | $142K |
| Wellington Management Group LLP | 0.00% | No change | 21,045 | $127K |
| New York State Common Retirement Fund | 0.00% | No change | 19,903 | $120K |
| Alliancebernstein L.P. | 0.00% | No change | 17,890 | $108K |
| Neuberger Berman Group LLC | 0.00% | Add +4.8% | 16,420 | $99K |
| Deutsche Bank AG | 0.00% | Reduce -56.0% | 13,512 | $81K |
| HSBC Holdings PLC | 0.00% | Reduce -34.6% | 13,538 | $81K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 12,764 | $77K |
| Pathstone Holdings, LLC | 0.00% | Reduce -2.0% | 10,825 | $65K |
| Callan Family Office, LLC | 0.00% | New | 10,307 | $62K |
| UBS Group AG | 0.00% | Reduce -44.8% | 10,206 | $61K |
| Levin Capital Strategies, L.P. | 0.01% | Reduce -41.2% | 10,000 | $60K |
| Valeo Financial Advisors, LLC | 0.00% | New | 10,000 | $60K |
| FMR LLC | 0.00% | Add +90.8% | 9,985 | $60K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +3.2% | 9,948 | $60K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 4,890 | $29K |
| BNP Paribas Financial Markets | 0.00% | Add +21.2% | 4,803 | $29K |
| Acadian Asset Management LLC | 0.00% | New | 3,497 | $21K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,989 | $12K |
| Legal & General Group Plc | 0.00% | No change | 1,890 | $11K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -66.1% | 1,871 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -15.6% | 1,863 | $11K |
| Russell Investments Group, Ltd. | 0.00% | No change | 1,768 | $11K |
| Citigroup Inc. | 0.00% | Reduce -16.2% | 1,587 | $10K |
| Royal London Asset Management Ltd. | 0.00% | No change | 1,550 | $9K |
| California State Teachers Retirement System | 0.00% | Reduce -24.1% | 1,342 | $8K |
| Sterling Capital Management LLC | 0.00% | Reduce -11.2% | 1,259 | $8K |
| MV Capital Management, Inc. | 0.00% | No change | 1,131 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -4.8% | 1,006 | $6K |
| Simplex Trading, LLC | 0.00% | Reduce -92.1% | 814 | $5K |
| Amalgamated Bank | 0.00% | Reduce -15.5% | 686 | $4K |
| Royal Bank of Canada | 0.00% | Reduce -98.6% | 649 | $4K |
| ORG Partners LLC | 0.00% | No change | 600 | $4K |
| Cwm, LLC | 0.00% | Reduce -3.7% | 494 | $3K |
| Group One Trading LLC | 0.00% | No change | 435 | $3K |
| Optiver Holding B.V. | 0.00% | No change | 394 | $2K |
| Osaic Holdings, Inc. | 0.00% | No change | 292 | $2K |
| GAMMA Investing LLC | 0.00% | Reduce -49.6% | 247 | $1K |
| Private Wealth Management Group, LLC | 0.00% | No change | 208 | $1K |
| Parkside Financial Bank & Trust | 0.00% | No change | 175 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -0.7% | 152 | $915 |
| NewEdge Advisors, LLC | 0.00% | Reduce -95.8% | 127 | $765 |
| Cornerstone Financial Management LLC | 0.00% | — | 110 | $662 |
| True Wealth Design, LLC | 0.00% | No change | 20 | $121 |
"% of holder's portfolio" is SMHI's weight in each manager's 13F, not the share of Seacor Marine Holdings Inc. the manager owns.