SMHI · SEACOR Marine Holdings Inc. · Shareholders & Ownership

$8.63 +0.29 (+3.48%) At close · Oct 23

Russell 2000 member Rebalance outlook locked

Market Cap

$234.16M

27.13M

Volume · Oct 23 97.91K Avg daily vol (3M) 104.09K

Every disclosed holder of SMHI in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns SMHI

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	95	12,176,187	44.88%	Yes
Insiders (Forms 3, 4, 5)	9	3,753,904	13.84%	Yes
13D/G-only blocks	1	1,946,963	7.18%	Yes
Remaining	—	9,255,772	34.11%	Rest
Registered funds (N-PORT, not summed)	108	4,974,311	18.33%	No

Shares outstanding: 27,132,826, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of SMHI

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Chernett Jorey 13D CIK 2042077 · Unknown · Jun 22, 2026 Item 4 purpose: Strategic alternatives	1,946,963	7.18%	+70,000	Jun 22, 2026
2	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	1,593,198	5.87%	+53,691	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	546,632	2.01%	+16,002	Jun 30, 2026	iShares Trust, not summed
2.2	iShares Russell 2000 Value ETF Fund S000004342 · Registered fund · Jun 30, 2026 iShares Trust, not summed	191,091	0.70%	+15,905	Jun 30, 2026	iShares Trust, not summed
2.3	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	74,300	0.27%	+19,392	Jun 30, 2026	iShares Trust, not summed
2.4	iShares Core S&P Total U.S. Stock Market ETF Fund S000004317 · Registered fund · Jun 30, 2026 iShares Trust, not summed	57,759	0.21%	+1,360	Jun 30, 2026	iShares Trust, not summed
2.5	Master Small Cap Index Series Fund S000002716 · Registered fund · Jun 30, 2026 Quantitative Master Series LLC, not summed	38,831	0.14%	0	Jun 30, 2026	Quantitative Master Series LLC, not summed
3	Oppenheimer & Close, LLC 13F CIK 1591377 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,383,792	5.10%	+2,425	Jun 30, 2026	carried, not yet filed for the newest quarter
3.1	Oppenheimer & Close, LLC 13G CIK 1591377 · Unknown · Jun 30, 2026 Rule 13d-1(d), exempt investor, not summed	1,383,792	5.10%	-28,826	Jun 30, 2026	Rule 13d-1(d), exempt investor, not summed
4	Gellert John M Insider CIK 1292966 · Mar 7, 2026 Director, President and CEO, issuer-wide	1,301,026	4.80%	+5,369	Mar 7, 2026	Director, President and CEO, issuer-wide
4.1	John M. Gellert 13D CIK 1292966 · Unknown · Jan 10, 2025 not summed	1,424,425	5.25%	—	Jan 10, 2025	not summed
5	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,186,855	4.37%	-65,865	Jun 30, 2026	carried, not yet filed for the newest quarter
5.1	U.S. SMALL CAP VALUE PORTFOLIO Fund S000000987 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	273,280	1.01%	+31,910	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
5.2	U.S. Targeted Value Portfolio Fund S000000970 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	156,891	0.58%	+30,444	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
5.3	U.S. SMALL CAP PORTFOLIO Fund S000000971 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	104,580	0.39%	-10,827	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
5.4	Dimensional US Small Cap Value ETF Fund S000075151 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	104,247	0.38%	-26,410	Jul 31, 2026	Dimensional ETF Trust, not summed
5.5	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	89,979	0.33%	+4,800	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
6	Miguel Bejos Alfredo Insider CIK 1777507 · Jun 2, 2026 Director, issuer-wide	1,144,234	4.22%	+6,362	Jun 2, 2026	Director, issuer-wide
7	First Eagle Investment Management, LLC 13F CIK 1325447 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,033,989	3.81%	-36,500	Jun 30, 2026	carried, not yet filed for the newest quarter
7.1	First Eagle Small Cap Opportunity Fund Fund S000072438 · Registered fund · Jul 31, 2026 First Eagle Funds, not summed	909,380	3.35%	-25,391	Jul 31, 2026	First Eagle Funds, not summed
8	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	943,391	3.48%	-74,396	Jun 30, 2026	carried, not yet filed for the newest quarter
9	ROBOTTI ROBERT 13F CIK 1105838 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	713,219	2.63%	-54,727	Jun 30, 2026	carried, not yet filed for the newest quarter
10	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	687,242	2.53%	-78,370	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
11	Flat Footed LLC 13F CIK 1799456 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	683,777	2.52%	+683,777	Jun 30, 2026	carried, not yet filed for the newest quarter
12	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	530,553	1.96%	+26,942	Jun 30, 2026	carried, not yet filed for the newest quarter
13	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	496,809	1.83%	-1,720	Jun 30, 2026	carried, not yet filed for the newest quarter
13.1	STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO Fund S000050332 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	9,100	0.03%	+2,200	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
13.2	State Street Total Return V.I.S. Fund Fund S000001637 · Registered fund · Jun 30, 2026 STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed	519	0.00%	0	Jun 30, 2026	STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
14	Cerity Partners LLC 13F CIK 1566475 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	431,723	1.59%	-3,209	Jun 30, 2026	carried, not yet filed for the newest quarter
15	Llorca Jesus Insider CIK 1705427 · Sep 2, 2026 EVP & CFO, issuer-wide	382,981	1.41%	-1,900	Sep 2, 2026	EVP & CFO, issuer-wide
16	FIRST MANHATTAN CO. LLC. 13F CIK 728083 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	309,085	1.14%	-11,500	Jun 30, 2026	carried, not yet filed for the newest quarter
17	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	248,053	0.91%	-4,258	Jun 30, 2026	carried, not yet filed for the newest quarter
18	Rossmiller Gregory Scott Insider CIK 1737606 · Jul 30, 2026 SVP & CAO, issuer-wide	244,506	0.90%	-27,741	Jul 30, 2026	SVP & CAO, issuer-wide
19	OPPENHEIMER & CO INC 13F CIK 822581 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	227,400	0.84%	+4,400	Jun 30, 2026	carried, not yet filed for the newest quarter
20	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	222,614	0.82%	-829	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
21	Glenorchy Capital Ltd 13F CIK 2008506 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	219,261	0.81%	+8,334	Jun 30, 2026	carried, not yet filed for the newest quarter
22	SEMPER AUGUSTUS INVESTMENTS GROUP LLC 13F CIK 1115373 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	208,175	0.77%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
23	Everett Andrew H II Insider CIK 1728923 · Sep 2, 2026 Sr. VP, General Counsel & Secy, issuer-wide	194,279	0.72%	-4,116	Sep 2, 2026	Sr. VP, General Counsel & Secy, issuer-wide
24	MORSE ANDREW R Insider CIK 1254946 · Jun 2, 2026 Director, issuer-wide	193,556	0.71%	+20,592	Jun 2, 2026	Director, issuer-wide
25	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	171,051	0.63%	-24,040	Jun 30, 2026	carried, not yet filed for the newest quarter
25.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	11,620	0.04%	0	Jun 30, 2026	Northern Funds, not summed
26	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	148,776	0.55%	+22,272	Jun 30, 2026	carried, not yet filed for the newest quarter
27	Regan Robert Christopher Insider CIK 1338856 · Jun 2, 2026 Director, issuer-wide	144,382	0.53%	+17,235	Jun 2, 2026	Director, issuer-wide
28	Pinnacle Value Fund Fund S000004888 · Registered fund · Jun 30, 2026 BERTOLET CAPITAL TRUST, not summed	139,801	0.52%	0	Jun 30, 2026	BERTOLET CAPITAL TRUST, not summed
29	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	136,115	0.50%	+1,767	Jun 30, 2026	carried, not yet filed for the newest quarter
30	HighTower Advisors, LLC 13F CIK 1462245 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	128,988	0.48%	+213	Jun 30, 2026	carried, not yet filed for the newest quarter
31	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	114,200	0.42%	-6,200	Jun 30, 2026	carried, not yet filed for the newest quarter
32	VANGUARD RUSSELL 2000 INDEX FUND Fund S000030003 · Registered fund · May 31, 2026 VANGUARD SCOTTSDALE FUNDS, not summed	111,481	0.41%	+3,695	May 31, 2026	VANGUARD SCOTTSDALE FUNDS, not summed
33	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	108,868	0.40%	+43,811	Jun 30, 2026	carried, not yet filed for the newest quarter
34	Persily Julie Insider CIK 1593007 · Jun 2, 2026 Director, issuer-wide	100,698	0.37%	+15,222	Jun 2, 2026	Director, issuer-wide
35	JPMORGAN CHASE & CO 13F CIK 19617 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	93,360	0.34%	-53,915	Jun 30, 2026	carried, not yet filed for the newest quarter
36	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	74,813	0.28%	+4,453	Jun 30, 2026	carried, not yet filed for the newest quarter
36.1	Nuveen Equity Index Fund Fund S000005360 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	38,205	0.14%	0	Jul 31, 2026	TIAA-CREF Funds, not summed
36.2	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	31,573	0.12%	+4,453	Jul 31, 2026	TIAA-CREF Funds, not summed
36.3	TIAA Separate Account VA-1 - Stock Index Account Fund S000005098 · Registered fund · Jun 30, 2026 TIAA Separate Account VA-1, not summed	2,348	0.01%	0	Jun 30, 2026	TIAA Separate Account VA-1, not summed
36.4	Nuveen Life Stock Index Fund Fund S000005094 · Registered fund · Jun 30, 2026 TIAA-CREF Life Funds, not summed	649	0.00%	0	Jun 30, 2026	TIAA-CREF Life Funds, not summed
37	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	71,979	0.27%	-47,489	Jun 30, 2026	carried, not yet filed for the newest quarter
38	D. E. Shaw & Co., Inc. 13F CIK 1009207 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	65,633	0.24%	+5,983	Jun 30, 2026	carried, not yet filed for the newest quarter
39	CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13F CIK 884546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	63,560	0.23%	+5,350	Jun 30, 2026	carried, not yet filed for the newest quarter
39.1	Schwab Small-Cap Index Fund Fund S000005912 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	53,047	0.20%	+5,357	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
39.2	Schwab Total Stock Market Index Fund Fund S000005913 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	10,252	0.04%	0	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
40	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	56,570	0.21%	-7,500	Jun 30, 2026	carried, not yet filed for the newest quarter
40.1	Ultra-Small Company Market Fund Fund S000004424 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	31,800	0.12%	0	Jun 30, 2026	Bridgeway Funds, Inc., not summed
41	AQR CAPITAL MANAGEMENT LLC 13F CIK 1167557 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	55,555	0.20%	+55,555	Jun 30, 2026	carried, not yet filed for the newest quarter
42	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	52,531	0.19%	-1,022	Jun 30, 2026	carried, not yet filed for the newest quarter
43	BANK OF AMERICA CORP /DE/ 13F CIK 70858 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	49,919	0.18%	+3,830	Jun 30, 2026	carried, not yet filed for the newest quarter
44	Young Lisa P Insider CIK 2003111 · Jun 2, 2026 Director, issuer-wide	48,242	0.18%	+16,564	Jun 2, 2026	Director, issuer-wide
45	AMERICAN CENTURY COMPANIES INC 13F CIK 748054 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	47,503	0.18%	-222	Jun 30, 2026	carried, not yet filed for the newest quarter
46	Avantis U.S. Small Cap Equity ETF Fund S000074835 · Registered fund · May 31, 2026 American Century ETF Trust, not summed	45,875	0.17%	-207	May 31, 2026	American Century ETF Trust, not summed
47	Perennial Advisors, LLC 13F CIK 1697360 · Registered investment adviser · Sep 30, 2026	45,709	0.17%	-329	Sep 30, 2026
48	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	29,943	0.11%	-59,833	Jun 30, 2026	carried, not yet filed for the newest quarter
48.1	Goldman Sachs Absolute Return Tracker Fund Fund S000020314 · Registered fund · Aug 31, 2026 GOLDMAN SACHS TRUST, not summed	22,712	0.08%	+8,143	Aug 31, 2026	GOLDMAN SACHS TRUST, not summed
49	Invesco Ltd. 13F CIK 914208 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	29,445	0.11%	+139	Jun 30, 2026	carried, not yet filed for the newest quarter
49.1	Invesco RAFI US 1500 Small-Mid ETF Fund S000013120 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	17,839	0.07%	-1,634	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
50	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	28,483	0.11%	+15,948	Jun 30, 2026	carried, not yet filed for the newest quarter

13 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 168 holders

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Key facts CIK 1690334 CUSIP 78413P101 13F (30d) 13 filings 13 filers Visit website Investor relations