Seacor Marine HoldingsSMHI
13F holders, Q3 2025 (September 30)91holders +10
12new positions
3sold out
4famous investors
$6.49avg. 13F price*
At the end of Q3 2025, 91 institutions reported holding Seacor Marine Holdings Inc. (SMHI) in their 13F filings, up 10 from Q2 2025. 12 opened new positions and 3 sold out. The largest holders were BlackRock, Inc. ($10.0M), Dimensional Fund Advisors LP ($8.8M) and Vanguard Group Inc. ($8.0M). 4 famous investors held it, including Chris Bloomstran (0.2% 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $731K |
| Exits | 3 | $11K |
All 13F filers, Q2 2025 → Q3 2025: 266,335 shares bought and 507,355 shares sold, net −241,020 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 91 holders
| BlackRock, Inc. | 0.00% | Reduce -5.5% | 1,541,643 | $10.0M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -3.0% | 1,359,253 | $8.8M |
| Vanguard Group Inc. | 0.00% | Reduce -8.7% | 1,235,033 | $8.0M |
| First Eagle Investment Management, LLC | 0.01% | Reduce -0.2% | 1,135,194 | $7.4M |
| Robotti Robert | 0.95% | Reduce -0.3% | 841,916 | $5.5M |
| Oppenheimer & Close, LLC | 2.42% | Reduce -0.0% | 550,922 | $3.6M |
| State Street Corp. | 0.00% | Reduce -0.8% | 532,208 | $3.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -5.3% | 480,613 | $3.1M |
| Cerity Partners LLC | 0.00% | Reduce -2.9% | 434,522 | $2.8M |
| First Manhattan Co. Llc. | 0.01% | Add +1.9% | 400,495 | $2.6M |
| Morgan Stanley | 0.00% | Reduce -6.2% | 280,767 | $1.8M |
| Semper Augustus Investments | 0.17% | No change | 211,480 | $1.4M |
| Oppenheimer & Co. Inc. | 0.02% | Add +5.1% | 207,500 | $1.3M |
| Northern Trust Corp. | 0.00% | Reduce -6.5% | 192,820 | $1.3M |
| Glenorchy Capital Ltd | 0.87% | Reduce -0.2% | 184,851 | $1.2M |
| Renaissance Technologies | 0.00% | Reduce -16.0% | 178,500 | $1.2M |
| JPMorgan Chase & Co. | 0.00% | Add +21.2% | 171,390 | $1.1M |
| Epacria Capital Partners, LLC | 0.82% | No change | 155,230 | $1.0M |
| HighTower Advisors, LLC | 0.00% | No change | 129,598 | $841K |
| Goldman Sachs Group Inc. | 0.00% | Add +8.1% | 98,438 | $639K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -17.2% | 78,070 | $507K |
| Nuveen, LLC | 0.00% | No change | 69,714 | $452K |
| Jane Street Group, LLC | 0.00% | Add +151.7% | 68,258 | $443K |
| Bank of America Corp. | 0.00% | Reduce -3.6% | 64,466 | $418K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.0% | 61,456 | $399K |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.5% | 53,295 | $346K |
| Barclays PLC | 0.00% | Reduce -10.6% | 53,125 | $345K |
| American Century Companies Inc. | 0.00% | No change | 48,905 | $317K |
| Royal Bank of Canada | 0.00% | Reduce -10.3% | 47,061 | $305K |
| Gsa Capital Partners LLP | 0.03% | Add +160.3% | 46,215 | $300K |
| Perennial Advisors, LLC | 0.05% | No change | 46,038 | $299K |
| Empowered Funds, LLC | 0.00% | Add +0.3% | 42,670 | $277K |
| Invesco Ltd. | 0.00% | Reduce -16.1% | 38,787 | $252K |
| Wilmington Savings Fund Society, FSB | 0.01% | No change | 38,567 | $250K |
| Rhumbline Advisers | 0.00% | Reduce -16.5% | 33,295 | $216K |
| D. E. Shaw & Co. | 0.00% | New | 31,648 | $205K |
| Deutsche Bank AG | 0.00% | New | 30,672 | $199K |
| Trexquant Investment LP | 0.00% | Reduce -3.9% | 29,518 | $192K |
| MAI Capital Management | 0.00% | No change | 29,368 | $191K |
| Barington Companies Management, LLC | 0.12% | New | 25,000 | $162K |
| Stephens Inc. | 0.00% | No change | 23,536 | $153K |
| Wellington Management Group LLP | 0.00% | Reduce -28.9% | 21,045 | $137K |
| HSBC Holdings PLC | 0.00% | Add +15.5% | 20,690 | $132K |
| New York State Common Retirement Fund | 0.00% | No change | 19,903 | $129K |
| HRT Financial LP | 0.00% | Reduce -20.1% | 19,767 | $128K |
| UBS Group AG | 0.00% | Reduce -2.9% | 18,479 | $120K |
| Alliancebernstein L.P. | 0.00% | Add +7.8% | 17,890 | $116K |
| Levin Capital Strategies, L.P. | 0.01% | No change | 17,000 | $110K |
| Wells Fargo & Company | 0.00% | Add +19.5% | 15,753 | $102K |
| Neuberger Berman Group LLC | 0.00% | Add +37.7% | 15,671 | $102K |
| Raymond James Financial Inc. | 0.00% | Add +197.4% | 15,065 | $98K |
| Millennium Management | 0.00% | Reduce -71.0% | 13,474 | $87K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 12,764 | $83K |
| MetLife Investment Management, LLC | 0.00% | New | 12,173 | $79K |
| Susquehanna International Group, LLP | 0.00% | Reduce -69.2% | 12,097 | $79K |
| Pathstone Holdings, LLC | 0.00% | Add +2.0% | 11,043 | $72K |
| Simplex Trading, LLC | 0.00% | New | 10,359 | $67K |
| Intech Investment Management LLC | 0.00% | Reduce -18.2% | 10,233 | $66K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -14.1% | 9,640 | $63K |
| PNC Financial Services Group, Inc. | 0.00% | Add +36.6% | 5,515 | $36K |
| FMR LLC | 0.00% | Add +24.1% | 5,232 | $34K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 4,890 | $32K |
| BNP Paribas Financial Markets | 0.00% | Add +75.1% | 3,962 | $26K |
| NewEdge Advisors, LLC | 0.00% | Add +2263.8% | 3,002 | $19K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -77.8% | 2,208 | $14K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,989 | $13K |
| Citigroup Inc. | 0.00% | Reduce -80.6% | 1,894 | $12K |
| Legal & General Group Plc | 0.00% | No change | 1,890 | $12K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 1,768 | $11K |
| Russell Investments Group, Ltd. | 0.00% | New | 1,768 | $11K |
| US Bancorp \de | 0.00% | No change | 1,648 | $11K |
| Royal London Asset Management Ltd. | 0.00% | No change | 1,550 | $10K |
| Sterling Capital Management LLC | 0.00% | Add +105.8% | 1,418 | $9K |
| MV Capital Management, Inc. | 0.00% | No change | 1,131 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | Add +5.1% | 1,057 | $7K |
| Amalgamated Bank | 0.00% | No change | 812 | $5K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 742 | $5K |
| ORG Partners LLC | 0.00% | No change | 600 | $4K |
| GAMMA Investing LLC | 0.00% | Reduce -59.4% | 490 | $3K |
| Cwm, LLC | 0.00% | Add +9.6% | 513 | $3K |
| Group One Trading LLC | 0.00% | New | 435 | $3K |
| Optiver Holding B.V. | 0.00% | New | 394 | $3K |
| Osaic Holdings, Inc. | 0.00% | No change | 292 | $2K |
| 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% | Add +0.7% | 153 | $993 |
| Arax Advisory Partners | 0.00% | New | 96 | $623 |
| Whittier Trust Co. | 0.00% | New | 52 | $323 |
| True Wealth Design, LLC | 0.00% | Reduce -9.1% | 20 | $130 |
| Transamerica Financial Advisors, LLC | 0.00% | New | 8 | $52 |
| Cloud Capital Management, LLC | 0.00% | New | 5 | $0 |
"% of holder's portfolio" is SMHI's weight in each manager's 13F, not the share of Seacor Marine Holdings Inc. the manager owns.