Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SMHI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.5M | $11.0M | -1.4% | 5.689% | 0.00% |
| 2 | Oppenheimer & Close, LLC | 1.4M | $9.9M | +149.4% | 5.104% | 6.24% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $9.0M | -2.4% | 4.629% | 0.00% |
| 4 | First Eagle Investment Management, LLC | 1.1M | $7.7M | -3.7% | 3.956% | 0.01% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.0M | $7.3M | — | 3.761% | 0.00% |
| 6 | ROBOTTI ROBERT | 768K | $5.5M | -8.9% | 2.838% | 0.86% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 504K | $3.6M | +3.7% | 1.861% | 0.00% |
| 8 | STATE STREET CORP | 499K | $3.6M | -6.5% | 1.842% | 0.00% |
| 9 | Cerity Partners LLC | 435K | $3.1M | -0.0% | 1.607% | 0.00% |
| 10 | FIRST MANHATTAN CO | 321K | $2.3M | -15.4% | 1.185% | 0.01% |
| 11 | MORGAN STANLEY | 252K | $1.8M | +1.8% | 0.932% | 0.00% |
| 12 | OPPENHEIMER & CO INC | 223K | $1.6M | +1.1% | 0.824% | 0.02% |
| 13 | Glenorchy Capital Ltd | 211K | $1.5M | +9.4% | 0.779% | 0.77% |
| 14 | SEMPER AUGUSTUS INVESTMENTS GROUP LLC | 208K | $1.5M | 0.0% | 0.769% | 0.18% |
| 15 | NORTHERN TRUST CORP | 195K | $1.4M | +6.6% | 0.721% | 0.00% |
| 16 | VANGUARD FIDUCIARY TRUST CO | 134K | $962K | — | 0.496% | 0.00% |
| 17 | HighTower Advisors, LLC | 129K | $922K | -0.6% | 0.476% | 0.00% |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 127K | $906K | — | 0.468% | 0.00% |
| 19 | RENAISSANCE TECHNOLOGIES LLC | 120K | $862K | +1.8% | 0.445% | 0.00% |
| 20 | CITADEL ADVISORS LLC | 119K | $855K | +163.2% | 0.441% | 0.00% |
| 21 | GOLDMAN SACHS GROUP INC | 90K | $643K | -18.7% | 0.332% | 0.00% |
| 22 | Nuveen, LLC | 70K | $504K | +0.9% | 0.260% | 0.00% |
| 23 | UBS Group AG | 65K | $466K | +537.4% | 0.240% | 0.00% |
| 24 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 64K | $459K | -17.9% | 0.237% | 0.01% |
| 25 | D. E. Shaw & Co., Inc. | 60K | $427K | +7.4% | 0.220% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in SMHI — a direct measure of their conviction.
Filings activity in SMHI during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 90 | +13% | 41.28% | +7.72 pp | $83M | +23% |
| Q4 2025 | 80 | 11% | 33.56% | 3.64 pp | $67M | 9.8% |
| Q3 2025 | 90 | +9.8% | 37.20% | +7.47 pp | $75M | +25% |
| Q2 2025 | 82 | 5.7% | 29.73% | 4.19 pp | $60M | 12% |
| Q1 2025 | 87 | 4.4% | 33.92% | 9.69 pp | $68M | 22% |
| Q4 2024 | 91 | +1.1% | 43.61% | 25.25 pp | $88M | 37% |
| Q3 2024 | 90 | +2.3% | 68.86% | 29.59 pp | $138M | 30% |
| Q2 2024 | 88 | — | 98.45% | — | $198M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SMHI stock.
Based on Q1 2026 13F filings, institutional ownership of SEACOR Marine Holdings Inc. stands at 41.3%, held across 90 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of SMHI, with approximately 1,539,507 shares worth $0.01B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of SMHI, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for SMHI is 69 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
22 institutions opened new positions in SMHI during Q1 2026, while 12 fully exited. 56 added to existing positions and 12 trimmed.
SMHI institutional ownership rose by 7.72 percentage points quarter-over-quarter, with a net change of +10 holders.
The top 10 institutions account for 75.9% of all reported 13F value in SMHI, and the top 25 account for 93.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
SEACOR Marine Holdings Inc. (SMHI) Institutional Ownership