SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share (SMHI)

Q: What does CUSIP 78413P101 represent in this 13F holders report?

CUSIP 78413P101 is the security identifier for SMHI - SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share used to aggregate holder disclosures.

Q: How many institutions held SMHI - SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share in Q1 2026?

53 institutional investors reported SMHI - SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: 78413P101

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class: Equity / Common Stock, par value $.01 per share
Shares outstanding: 26,958,359
Total 13F shares: 8,309,723
Share change: +630,110
Total reported value: $59,544,363
Price per share: $7.16
Number of holders: 53
Value change: +$4,548,962
Number of buys: 17
Number of sells: 21

Quarterly Holders Quick Answers

What is CUSIP 78413P101?
CUSIP 78413P101 identifies SMHI - SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Previous quarter: Q4 2025

Recent filing periods for CUSIP 78413P101:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of SMHI - SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Jorey Chernett	13D/G	Chernett Jorey	5.2%	1,409,270	$10,597,710	+$1,498,706	25 Dec 2025	13D/G
Oppenheimer & Close, LLC	13D/G 13F	Carl K. Oppenheimer · Company	5.2%	1,412,618	$10,142,880	$0	31 Mar 2026	13D/G 13F
John M. Gellert	3/4/5 13D/G	President and CEO, Director	5.1% from 13D/G	1,301,026	$9,692,642	—	07 Mar 2026	3/4/5 13D/G
BlackRock, Inc.	13F	Company	5.8%	1,560,780	$9,395,896	—	31 Dec 2025	13F
VANGUARD GROUP INC	13D/G 13F	The Vanguard Group · Company	4.6%	1,235,033	$8,015,364	-$762,841	30 Sep 2025	13D/G 13F
DIMENSIONAL FUND ADVISORS LP	13D/G 13F	Company	4.8%	1,284,004	$7,729,704	-$727,860	31 Dec 2025	13D/G 13F
First Eagle Investment Management, LLC	13F	Company	4.1%	1,111,167	$6,689,225	—	31 Dec 2025	13F
Bejos Alfredo Miguel	3/4/5	Director	4.2%	1,137,872	$5,720,006	—	03 Jun 2025	3/4/5
Robert E. Robotti	13F	Individual	3.1%	842,946	$5,074,535	—	31 Dec 2025	13F
Jesus Llorca	3/4/5	EVP & CFO	2%	538,262	$4,010,051	—	07 Mar 2026	3/4/5
STATE STREET CORP	13F	Company	2%	533,427	$3,211,231	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.8%	485,730	$2,924,619	—	31 Dec 2025	13F
Cerity Partners LLC	13F	Company	1.6%	435,071	$2,619,127	—	31 Dec 2025	13F
FIRST MANHATTAN CO. LLC.	13F	Company	1.4%	378,745	$2,280,045	—	31 Dec 2025	13F
Gregory Scott Rossmiller	3/4/5	SVP & CAO	1.1%	294,741	$2,195,820	—	07 Mar 2026	3/4/5
Andrew H. Everett II	3/4/5	Sr. VP, General Counsel & Secy	1.1%	293,595	$2,187,282	—	07 Mar 2026	3/4/5
MORGAN STANLEY	13F	Company	0.92%	247,775	$1,491,606	—	31 Dec 2025	13F
OPPENHEIMER & CO INC	13F	Company	0.82%	220,500	$1,327,410	—	31 Dec 2025	13F
SEMPER AUGUSTUS INVESTMENTS GROUP LLC	13F	Company	0.77%	208,175	$1,253,214	—	31 Dec 2025	13F
Glenorchy Capital Ltd	13F	Company	0.72%	192,803	$1,160,676	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.68%	182,973	$1,101,498	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13F	Company	0.63%	170,080	$1,023,881	—	31 Dec 2025	13F
EPACRIA CAPITAL PARTNERS, LLC	13F	Company	0.58%	155,230	$934,485	—	31 Dec 2025	13F
Andrew R. Morse	3/4/5	Director	0.64%	172,964	$852,712	—	03 Jun 2025	3/4/5
Robert Christopher Regan	3/4/5	Director	0.47%	127,147	$825,183	—	12 Nov 2025	3/4/5
HighTower Advisors, LLC	13F	Company	0.48%	129,598	$780,180	—	31 Dec 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.44%	118,300	$712,166	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.41%	110,479	$665,083	—	31 Dec 2025	13F
Julie Persily	3/4/5	Director	0.32%	85,476	$637,197	-$52,183	11 Nov 2025	3/4/5
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.29%	78,070	$469,981	—	31 Dec 2025	13F
Nuveen, LLC	13F	Company	0.26%	69,714	$419,679	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.23%	61,451	$369,935	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.22%	60,601	$364,818	—	31 Dec 2025	13F
BARCLAYS PLC	13F	Company	0.22%	58,185	$350,273	—	31 Dec 2025	13F
D. E. Shaw & Co., Inc.	13F	Company	0.21%	55,520	$334,230	—	31 Dec 2025	13F
Bank of New York Mellon Corp	13F	Company	0.18%	49,616	$298,685	—	31 Dec 2025	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.18%	48,032	$289,153	—	31 Dec 2025	13F
Perennial Advisors, LLC	13F	Company	0.17%	46,038	$277,149	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.17%	45,383	$273,205	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	0.17%	44,958	$270,647	—	31 Dec 2025	13F
Empowered Funds, LLC	13F	Company	0.16%	42,670	$256,873	—	31 Dec 2025	13F
Wilmington Savings Fund Society, FSB	13F	Company	0.14%	38,567	$232,173	—	31 Dec 2025	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.13%	35,655	$215,000	—	31 Dec 2025	13F
Invesco Ltd.	13F	Company	0.11%	29,591	$178,138	—	31 Dec 2025	13F
RHUMBLINE ADVISERS	13F	Company	0.11%	29,005	$174,600	—	31 Dec 2025	13F
Lisa P. Young	3/4/5	Director	0.12%	31,678	$156,172	—	03 Jun 2025	3/4/5
WELLS FARGO & COMPANY/MN	13F	Company	0.09%	24,486	$147,406	—	31 Dec 2025	13F
STEPHENS INC /AR/	13F	Company	0.09%	23,536	$141,687	—	31 Dec 2025	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.08%	21,045	$126,691	—	31 Dec 2025	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.07%	19,903	$119,816	—	31 Dec 2025	13F

Institutional Holders of SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share (SMHI) as of Q1 2026

As of 31 Mar 2026, SEACOR Marine Holdings Inc. - Common Stock, par value $.01 per share (SMHI) was held by 53 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 8,309,723 shares. The largest 10 holders included BlackRock, Inc., Oppenheimer & Close, LLC, DIMENSIONAL FUND ADVISORS LP, First Eagle Investment Management, LLC, VANGUARD CAPITAL MANAGEMENT LLC, ROBOTTI ROBERT, OPPENHEIMER & CO INC, Glenorchy Capital Ltd, NORTHERN TRUST CORP, and JPMORGAN CHASE & CO. This page lists 60 institutional shareholders reporting positions in this security for the Q1 2026 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-28

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q1 2026 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.