Who owns SEACOR Marine Holdings Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SMHI from SEC Form 13F filings across 95 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 95 institutions disclosed 12.2M shares of SEACOR Marine Holdings Inc. worth $93.2M — about 46.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
95
13F holders
$93.2M
value, 2026 filers
46.7%
of shares outstanding (12.2M sh)
15
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SMHI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.6M | $12.2M | 0.0% | 6.1% | +3.5% |
| 2 | Oppenheimer & Close, LLC | 1.4M | $10.6M | 6.7% | 5.3% | +0.2% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 1.2M | $9.1M | 0.0% | 4.6% | -5.3% |
| 4 | First Eagle Investment Management, LLC | 1.0M | $7.9M | 0.0% | 4% | -3.4% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 943,391 | $7.2M | 0.0% | 3.6% | -7.3% |
| 6 | ROBOTTI ROBERT | 713,219 | $5.5M | 0.9% | 2.7% | -7.1% |
| 7 | Flat Footed LLCNEW | 683,777 | $5.2M | 0.4% | 2.6% | new |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 530,553 | $4.1M | 0.0% | 2% | +5.3% |
| 9 | STATE STREET CORP | 496,809 | $3.8M | 0.0% | 1.9% | -0.3% |
| 10 | Cerity Partners LLC | 431,723 | $3.3M | 0.0% | 1.7% | -0.7% |
| 11 | FIRST MANHATTAN CO. LLC. | 309,085 | $2.4M | 0.0% | 1.2% | -3.6% |
| 12 | MORGAN STANLEY | 248,053 | $1.9M | 0.0% | 1% | -1.7% |
| 13 | OPPENHEIMER & CO INC | 227,400 | $1.7M | 0.0% | 0.9% | +2.0% |
| 14 | Glenorchy Capital Ltd | 219,261 | $1.7M | 0.1% | 0.8% | +4.0% |
| 15 | SEMPER AUGUSTUS INVESTMENTS GROUP LLC | 208,175 | $1.6M | 0.2% | 0.8% | 0.0% |
| 16 | NORTHERN TRUST CORP | 171,051 | $1.3M | 0.0% | 0.7% | -12.3% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 148,776 | $1.1M | 0.0% | 0.6% | +17.6% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 136,115 | $1.0M | 0.0% | 0.5% | +1.3% |
| 19 | HighTower Advisors, LLC | 128,988 | $986,758 | 0.0% | 0.5% | +0.2% |
| 20 | RENAISSANCE TECHNOLOGIES LLC | 114,200 | $873,630 | 0.0% | 0.4% | -5.1% |
| 21 | UBS Group AG | 108,868 | $832,840 | 0.0% | 0.4% | +67.3% |
| 22 | JPMORGAN CHASE & CO | 93,360 | $748,748 | 0.0% | 0.4% | -36.6% |
| 23 | Nuveen, LLC | 74,813 | $572,320 | 0.0% | 0.3% | +6.3% |
| 24 | CITADEL ADVISORS LLC | 71,979 | $550,639 | 0.0% | 0.3% | -39.8% |
| 25 | D. E. Shaw & Co., Inc. | 65,633 | $502,092 | 0.0% | 0.3% | +10.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.