SEACOR Marine Holdings Inc. - SMHI
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | History | Reduced | 1,539,507 | 11,022 | 0.0% | 0.0% | 1 | -21,273 | -1.36% | Q1 2026 | May 13, 2026 |
| Oppenheimer & Close, LLC | History | Added to | 1,381,367 | 9,890 | 6.24% | 2.27% | 2 | +827,534 | 149.42% | Q1 2026 | May 12, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 1,252,720 | 8,970 | 0.0% | 0.0% | 3 | -31,284 | -2.44% | Q1 2026 | May 07, 2026 |
| VANGUARD GROUP INC | History | No change | 1,274,560 | 7,672 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| First Eagle Investment Management, LLC | History | Reduced | 1,070,489 | 7,664 | 0.01% | 0.01% | 5 | -40,678 | -3.66% | Q1 2026 | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,017,787 | 7,287 | 0.0% | — | 6 | +1,017,787 | New | Q1 2026 | May 15, 2026 |
| ROBOTTI ROBERT | History | Reduced | 767,946 | 5,498 | 0.86% | 0.91% | 7 | -75,000 | -8.9% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 503,611 | 3,606 | 0.0% | 0.0% | 8 | +17,881 | 3.68% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Reduced | 498,529 | 3,569 | 0.0% | 0.0% | 9 | -34,898 | -6.54% | Q1 2026 | May 15, 2026 |
| Cerity Partners LLC | History | Reduced | 434,932 | 3,114 | 0.0% | 0.0% | 10 | -139 | -0.03% | Q1 2026 | May 15, 2026 |
| FIRST MANHATTAN CO. LLC. | History | Reduced | 320,585 | 2,295 | 0.01% | 0.01% | 11 | -58,160 | -15.36% | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Added to | 252,311 | 1,806 | 0.0% | 0.0% | 12 | +4,536 | 1.83% | Q1 2026 | May 15, 2026 |
| OPPENHEIMER & CO INC | History | Added to | 223,000 | 1,596 | 0.02% | 0.02% | 13 | +2,500 | 1.13% | Q1 2026 | Apr 23, 2026 |
| Glenorchy Capital Ltd | History | Added to | 210,927 | 1,510 | 0.09% | 0.07% | 14 | +18,124 | 9.4% | Q1 2026 | May 14, 2026 |
| SEMPER AUGUSTUS INVESTMENTS GROUP LLC | History | No change | 208,175 | 1,490 | 0.18% | 0.14% | 15 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Added to | 195,091 | 1,396 | 0.0% | 0.0% | 16 | +12,118 | 6.62% | Q1 2026 | May 14, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 147,275 | 1,100 | 0.0% | 0.0% | 17 | -22,805 | -13.41% | Q1 2026 | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 134,348 | 961 | 0.0% | — | 18 | +134,348 | New | Q1 2026 | May 08, 2026 |
| HighTower Advisors, LLC | History | Reduced | 128,775 | 922 | 0.0% | 0.0% | 19 | -823 | -0.64% | Q1 2026 | May 05, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 126,504 | 905 | 0.0% | — | 20 | +126,504 | New | Q1 2026 | May 08, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 120,400 | 862 | 0.0% | 0.0% | 21 | +2,100 | 1.78% | Q1 2026 | May 14, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 119,468 | 855 | 0.0% | 0.0% | 22 | +74,085 | 163.24% | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 89,776 | 642 | 0.0% | 0.0% | 23 | -20,703 | -18.74% | Q1 2026 | May 15, 2026 |
| Nuveen, LLC | History | Added to | 70,360 | 503 | 0.0% | 0.0% | 24 | +646 | 0.93% | Q1 2026 | Apr 30, 2026 |
| UBS Group AG | History | Added to | 65,057 | 465 | 0.0% | 0.0% | 25 | +54,851 | 537.44% | Q1 2026 | May 05, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Reduced | 64,070 | 458 | 0.01% | 0.01% | 26 | -14,000 | -17.93% | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | History | Added to | 59,650 | 427 | 0.0% | 0.0% | 27 | +4,130 | 7.44% | Q1 2026 | May 15, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 58,210 | 416 | 0.0% | 0.0% | 28 | -3,241 | -5.27% | Q1 2026 | May 15, 2026 |
| Bank of New York Mellon Corp | History | Added to | 53,553 | 383 | 0.0% | 0.0% | 29 | +3,937 | 7.93% | Q1 2026 | May 05, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Reduced | 47,725 | 341 | 0.0% | 0.0% | 30 | -307 | -0.64% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 46,089 | 329 | 0.0% | 0.0% | 31 | -14,512 | -23.95% | Q1 2026 | May 15, 2026 |
| Perennial Advisors, LLC | History | No change | 46,038 | 329 | 0.06% | 0.05% | 32 | 0 | 0.0% | Q1 2026 | Apr 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 38,722 | 277 | 0.02% | 0.02% | 33 | +3,067 | 8.6% | Q1 2026 | May 08, 2026 |
| Wilmington Savings Fund Society, FSB | History | No change | 38,567 | 276 | 0.01% | 0.01% | 34 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| Invesco Ltd. | History | Reduced | 29,306 | 209 | 0.0% | 0.0% | 35 | -285 | -0.96% | Q1 2026 | May 12, 2026 |
| Empowered Funds, LLC | History | Reduced | 28,670 | 205 | 0.0% | 0.0% | 37 | -14,000 | -32.81% | Q1 2026 | May 14, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 28,672 | 205 | 0.0% | 0.0% | 36 | -333 | -1.15% | Q1 2026 | May 12, 2026 |
| BARCLAYS PLC | History | Reduced | 28,421 | 203 | 0.0% | 0.0% | 38 | -29,764 | -51.15% | Q1 2026 | May 14, 2026 |
| STEPHENS INC /AR/ | History | No change | 23,536 | 168 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| Hilltop Holdings Inc. | History | New | 20,600 | 147 | 0.01% | — | 40 | +20,600 | New | Q1 2026 | May 14, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | History | Reduced | 19,074 | 136 | 0.0% | 0.0% | 41 | -1,971 | -9.37% | Q1 2026 | May 15, 2026 |
| Neuberger Berman Group LLC | History | Reduced | 16,337 | 116 | 0.0% | 0.0% | 42 | -83 | -0.51% | Q1 2026 | May 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 15,188 | 108 | 0.0% | — | 43 | +15,188 | New | Q1 2026 | May 15, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Reduced | 16,090 | 96 | 0.0% | 0.0% | 45 | -1,800 | -10.06% | Q1 2026 | May 15, 2026 |
| DEUTSCHE BANK AG\ | History | No change | 13,512 | 96 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | No change | 12,764 | 92 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | New | 12,535 | 89 | 0.0% | — | 48 | +12,535 | New | Q1 2026 | May 15, 2026 |
| MetLife Investment Management, LLC | History | New | 12,472 | 89 | 0.0% | — | 47 | +12,472 | New | Q1 2026 | May 14, 2026 |
| INTECH INVESTMENT MANAGEMENT LLC | History | New | 12,193 | 87 | 0.0% | — | 49 | +12,193 | New | Q1 2026 | May 08, 2026 |
| MIRABELLA FINANCIAL SERVICES LLP | History | New | 11,255 | 80 | 0.01% | — | 50 | +11,255 | New | Q1 2026 | May 12, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 10,933 | 78 | 0.0% | 0.0% | 51 | -34,025 | -75.68% | Q1 2026 | May 12, 2026 |
| Almanack Investment Partners, LLC. | History | New | 10,905 | 78 | 0.01% | — | 52 | +10,905 | New | Q1 2026 | May 05, 2026 |
| FMR LLC | History | Added to | 10,765 | 77 | 0.0% | 0.0% | 53 | +780 | 7.81% | Q1 2026 | May 15, 2026 |
| Pathstone Holdings, LLC | History | No change | 10,825 | 77 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Callan Family Office, LLC | History | Added to | 10,451 | 74 | 0.0% | 0.0% | 55 | +144 | 1.4% | Q1 2026 | May 13, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Added to | 10,186 | 72 | 0.0% | 0.0% | 56 | +238 | 2.39% | Q1 2026 | May 15, 2026 |
| Vanguard Global Advisers, LLC | History | New | 9,477 | 67 | 0.0% | — | 57 | +9,477 | New | Q1 2026 | May 08, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 8,253 | 59 | 0.0% | 0.0% | 58 | -16,233 | -66.3% | Q1 2026 | May 11, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 6,566 | 47 | 0.0% | 0.0% | 59 | +4,703 | 252.44% | Q1 2026 | May 15, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 5,718 | 41 | 0.0% | 0.0% | 60 | +5,069 | 781.05% | Q1 2026 | May 15, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 4,890 | 35 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 4,662 | 33 | 0.0% | 0.0% | 62 | -141 | -2.94% | Q1 2026 | May 12, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | Reduced | 4,203 | 30 | 0.0% | 0.0% | 63 | -15,700 | -78.88% | Q1 2026 | May 06, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 1,989 | 14 | 0.0% | 0.0% | 64 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 1,816 | 13 | 0.0% | 0.0% | 66 | +48 | 2.71% | Q1 2026 | May 08, 2026 |
| Legal & General Group Plc | History | No change | 1,890 | 13 | 0.0% | 0.0% | 65 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Reduced | 1,804 | 12 | 0.0% | 0.0% | 67 | -67 | -3.58% | Q1 2026 | May 08, 2026 |
| ROYAL LONDON ASSET MANAGEMENT LTD | History | No change | 1,550 | 11 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 1,181 | 8 | 0.0% | 0.0% | 69 | -161 | -12.0% | Q1 2026 | May 15, 2026 |
| MV CAPITAL MANAGEMENT, INC. | History | No change | 1,131 | 8 | 0.0% | 0.0% | 70 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| CITIGROUP INC | History | Reduced | 1,014 | 7 | 0.0% | 0.0% | 71 | -573 | -36.11% | Q1 2026 | May 11, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 1,006 | 7 | 0.0% | 0.0% | 72 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| Sterling Capital Management LLC | History | Reduced | 723 | 5 | 0.0% | 0.0% | 73 | -536 | -42.57% | Q1 2026 | Apr 22, 2026 |
| Ascentis Independent Advisors | History | New | 600 | 4 | 0.0% | — | 74 | +600 | New | Q1 2026 | Apr 28, 2026 |
| CWM, LLC | History | Added to | 557 | 3 | 0.0% | 0.0% | 75 | +63 | 12.75% | Q1 2026 | May 14, 2026 |
| ORG Partners LLC | History | No change | 600 | 3 | 0.0% | 0.0% | 76 | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| Optiver Holding B.V. | History | Reduced | 210 | 1 | 0.0% | 0.0% | 79 | -184 | -46.7% | Q1 2026 | May 15, 2026 |
| GAMMA Investing LLC | History | Reduced | 243 | 1 | 0.0% | 0.0% | 80 | -4 | -1.62% | Q1 2026 | Apr 06, 2026 |
| Parkside Financial Bank & Trust | History | No change | 175 | 1 | 0.0% | 0.0% | 77 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| SBI Securities Co., Ltd. | History | No change | 152 | 1 | 0.0% | — | 78 | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| Private Wealth Management Group, LLC | History | No change | 208 | 1 | 0.0% | 0.0% | 81 | 0 | 0.0% | Q1 2026 | Apr 23, 2026 |
| EPACRIA CAPITAL PARTNERS, LLC | History | Closed out | 0 | 0 | — | 0.74% | — | -155,230 | -100.0% | Q1 2026 | May 15, 2026 |
| HSBC HOLDINGS PLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,538 | -100.0% | Q1 2026 | Apr 30, 2026 |
| LEVIN CAPITAL STRATEGIES, L.P. | History | Closed out | 0 | 0 | — | 0.01% | — | -10,000 | -100.0% | Q1 2026 | May 13, 2026 |
| Valeo Financial Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q1 2026 | May 08, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -3,497 | -100.0% | Q1 2026 | May 13, 2026 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -814 | -100.0% | Q1 2026 | May 14, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -686 | -100.0% | Q1 2026 | May 08, 2026 |
| GROUP ONE TRADING LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -435 | -100.0% | Q1 2026 | May 13, 2026 |
| OSAIC HOLDINGS, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -292 | -100.0% | Q1 2026 | May 15, 2026 |
| NewEdge Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -127 | -100.0% | Q1 2026 | May 15, 2026 |
| Steward Partners Investment Advisory, LLC | History | New | 125 | 0 | — | — | — | +125 | New | Q1 2026 | May 08, 2026 |
| HARBOUR INVESTMENTS, INC. | History | New | 100 | 0 | — | — | — | +100 | New | Q1 2026 | May 15, 2026 |
| EverSource Wealth Advisors, LLC | History | New | 39 | 0 | — | — | — | +39 | New | Q1 2026 | May 15, 2026 |
| Root Financial Partners, LLC | History | New | 37 | 0 | — | — | — | +37 | New | Q1 2026 | Apr 24, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | New | 36 | 0 | — | — | — | +36 | New | Q1 2026 | May 13, 2026 |
| Allworth Financial LP | History | New | 10 | 0 | — | — | — | +10 | New | Q1 2026 | May 14, 2026 |
| MAI Capital Management | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | May 11, 2026 |
| Farther Finance Advisors, LLC | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | Apr 07, 2026 |
| True Wealth Design, LLC | History | No change | 20 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 13, 2026 |
| Cornerstone Financial Management LLC | History | No change | 110 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 08, 2026 |