# SEACOR MARINE HLDGS INC COM

SEACOR MARINE HLDGS INC COM is a security (CUSIP 78413P101) tracked across SEC portfolio filings. 92 institutional managers reported $82.8M on Form 13F as of 2026-06-30; 11 registered fund positions totaling $5.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: SEACOR MARINE HLDGS INC
- Class: COM
- CUSIP: 78413P101
- Asset category: EC
- 13F holders: 92
- 13F value: $82.8M
- 13F period: 2026-06-30
- N-PORT fund positions: 11
- N-PORT value: $5.6M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 92 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $11.0M | 1,539,507 |
| Oppenheimer & Close, LLC | NEW YORK, NY | $9.9M | 1,381,367 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $9.0M | 1,252,720 |
| [First Eagle Investment Management, LLC](https://search.stillhousedata.com/firm/108260) | NEW YORK, NY | $7.9M | 1,033,989 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $7.7M | 1,274,560 |
| [ROBOTTI ROBERT](https://search.stillhousedata.com/firm/732905) | New York, NY | $5.5M | 767,946 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $3.6M | 503,611 |
| STATE STREET CORP | BOSTON, MA | $3.6M | 498,529 |
| [Cerity Partners LLC](https://search.stillhousedata.com/firm/151559) | NEW YORK, NY | $3.1M | 434,932 |
| [FIRST MANHATTAN CO. LLC.](https://search.stillhousedata.com/firm/325281) | New York, NY | $2.3M | 320,585 |
| MORGAN STANLEY | NEW YORK, NY | $1.8M | 252,311 |
| OPPENHEIMER & CO INC | NEW YORK, NY | $1.7M | 227,400 |
| [Glenorchy Capital Ltd](https://search.stillhousedata.com/firm/305636) | BOOROLITE, C3 | $1.7M | 219,261 |
| [SEMPER AUGUSTUS INVESTMENTS GROUP LLC](https://search.stillhousedata.com/firm/108153) | Highlands Ranch, CO | $1.5M | 208,175 |
| NORTHERN TRUST CORP | CHICAGO, IL | $1.4M | 195,091 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Pinnacle Value Fund](https://search.stillhousedata.com/fund/S000004888) | BERTOLET CAPITAL TRUST | $2.0M | 552.00% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $1.6M | 0.20% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $842K | 0.48% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $647K | 0.87% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $278K | 0.58% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $108K | 0.04% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $98K | 0.02% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $22K | 0.53% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $17K | 0.13% |
| [Longview Advantage ETF](https://search.stillhousedata.com/fund/S000086399) | RBB Fund Trust | $2K | 0.03% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $-14K | -0.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/78413P101.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.