SMHI · SEACOR Marine Holdings Inc.

$9.54 +0.13 (+1.38%)

Russell 2000 member Rebalance outlook locked

Market Cap

$255.32M

27.13M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 95

Total Value: $93,135,997

Total Shares: 12,174,649

Institutional Ownership Trend

26 quarters

Superinvestors Holding SMHI

All superinvestors →

Christopher Bloomstran $1,592,538

Holder Concentration

Across 95 13F filers · Δ vs Mar 31, 2026

Top Holder

13.1%

−0.0 pts

Top 5

50.4%

−2.8 pts

Top 10

73.9%

−0.8 pts

HHI

673

Broadly held−36

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +4

Institutional value: +10.6%

Shares held: +3.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+53,691	1,593,198
Mega UBS Group AG	+43,811	108,868
Mega GEODE CAPITAL MANAGEMENT, LLC	+26,942	530,553
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	+22,272	148,776
Mid XTX Topco Ltd	+15,948	28,483

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega VANGUARD CAPITAL MANAGEMENT LLC	−74,396	943,391
Mega DIMENSIONAL FUND ADVISORS LP	−65,865	1,186,855
Mega GOLDMAN SACHS GROUP INC	−59,833	29,943
Small ROBOTTI ROBERT	−54,727	713,219
Mega JPMORGAN CHASE & CO	−53,915	93,360

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Flat Footed LLC	683,777	$5,230,894
Mega AQR CAPITAL MANAGEMENT LLC	55,555	$424,994
Mid LEVIN CAPITAL STRATEGIES, L.P.	12,000	$91,800
Mid Arax Advisory Partners	1,411	$10,794
Large OSAIC HOLDINGS, INC.	292	$2,233

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid GSA CAPITAL PARTNERS LLP	38,722	$277,249
Large INTECH INVESTMENT MANAGEMENT LLC	12,193	$87,301
Small MIRABELLA FINANCIAL SERVICES LLP	11,255	$80,585
Mega JANE STREET GROUP, LLC	10,933	$78,280
Small Almanack Investment Partners, LLC.	10,905	$78,079

Filter: New 15 Increased 30 Reduced 31 Sold out 11 Unchanged 19

Showing 95 of 95

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$12,187,962

13.09%

1,593,198

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	13,216	$101,102	0.8%	Sole
BlackRock Asset Management Canada Ltd	304	$2,325	0.0%	Sole
BlackRock Investment Management, LLC	61,881	$473,389	3.9%	Sole
BLACKROCK ADVISORS LLC	45,933	$351,387	2.9%	Sole
BlackRock Fund Advisors	871,785	$6,669,155	54.7%	Sole
BlackRock Institutional Trust Company, N.A.	600,040	$4,590,306	37.7%	Sole
Aperio Group, LLC	39	$298	0.0%	Sole

Oppenheimer & Close, LLC

$10,586,008

11.37%

1,383,792

DIMENSIONAL FUND ADVISORS LP

$9,079,439

9.75%

1,186,855

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	3,681	$28,159	0.3%	Defined
DFA Australia Ltd.	14,179	$108,469	1.2%	Defined
Dimensional Ireland Ltd	45,656	$349,268	3.8%	Defined
Held directly	1,123,339	$8,593,543	94.6%	Sole

First Eagle Investment Management, LLC

$7,910,015

8.49%

1,033,989

VANGUARD CAPITAL MANAGEMENT LLC

$7,216,941

7.75%

943,391

ROBOTTI ROBERT

$5,456,124

5.86%

713,219

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Robotti & Co Advisors, LLC	712,923	$5,453,860	100.0%	Other
Held directly	296	$2,264	0.0%	Sole

Flat Footed LLC

$5,230,894

5.62%

683,777

GEODE CAPITAL MANAGEMENT, LLC

$4,058,729

4.36%

530,553

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	79,747	$610,064	15.0%	Defined
Held directly	450,806	$3,448,665	85.0%	Defined

STATE STREET CORP

$3,800,588

4.08%

496,809

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	496,809	$3,800,588	100.0%	Defined

Cerity Partners LLC

$3,302,679

3.55%

431,723

FIRST MANHATTAN CO. LLC.

$2,364,500

2.54%

309,085

MORGAN STANLEY

$1,897,603

2.04%

248,053

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	48	$367	0.0%	Defined
MORGAN STANLEY & CO. LLC	6,148	$47,032	2.5%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	18,516	$141,647	7.5%	Defined
MORGAN STANLEY SMITH BARNEY LLC	177,602	$1,358,655	71.6%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	45,739	$349,902	18.4%	Defined

OPPENHEIMER & CO INC

$1,739,610

1.87%

227,400

Glenorchy Capital Ltd

$1,677,346

1.80%

219,261

SEMPER AUGUSTUS INVESTMENTS GROUP LLC

$1,592,538

1.71%

208,175

NORTHERN TRUST CORP

$1,308,539

1.40%

171,051

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	167,975	$1,285,008	98.2%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	3,076	$23,531	1.8%	Other

VANGUARD PORTFOLIO MANAGEMENT LLC

$1,138,136

1.22%

148,776

VANGUARD FIDUCIARY TRUST CO

$1,041,279

1.12%

136,115

HighTower Advisors, LLC

$986,758

1.06%

128,988

RENAISSANCE TECHNOLOGIES LLC

$873,630

0.94%

114,200

UBS Group AG

$832,839

0.89%

108,868

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	5,319	$40,690	4.9%	Defined
UBS AG	21,208	$162,241	19.5%	Defined
UBS Switzerland AG	82,341	$629,908	75.6%	Defined

JPMORGAN CHASE & CO

$714,203

0.77%

93,360

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	9,234	$70,640	9.9%	Defined
J.P. Morgan Securities LLC	83,901	$641,842	89.9%	Defined
J.P. Morgan Securities plc	225	$1,721	0.2%	Defined

Nuveen, LLC

$572,318

0.61%

74,813

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	2,038	$15,590	2.7%	Defined
TEACHERS ADVISORS, LLC joint	72,775	$556,728	97.3%	Defined

CITADEL ADVISORS LLC

$550,639

0.59%

71,979

D. E. Shaw & Co., Inc.

$502,092

0.54%

65,633

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	65,633	$502,092	100.0%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$486,234

0.52%

63,560

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$432,760

0.46%

56,570

AQR CAPITAL MANAGEMENT LLC

$424,994

0.46%

55,555

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RF&L WEALTH MANAGEMENT, LLC	3	$22	0.0%	Other
Arax Advisory Partners	1,357	$10,381	2.4%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	187	$1,430	0.3%	Other
Stokes Family Office, LLC	11	$84	0.0%	Other
Held directly	53,997	$413,077	97.2%	Defined

Bank of New York Mellon Corp

$401,860

0.43%

52,531

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	18,013	$137,799	34.3%	Defined
The Bank of New York Mellon	33,801	$258,577	64.3%	Defined
BNY Mellon, NA joint	715	$5,469	1.4%	Defined
Held directly	2	$15	0.0%	Defined

BANK OF AMERICA CORP /DE/

$381,879

0.41%

49,919

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	30,761	$235,321	61.6%	Defined
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	19,158	$146,558	38.4%	Defined

AMERICAN CENTURY COMPANIES INC

$363,397

0.39%

47,503

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	47,503	$363,397	100.0%	Defined

Perennial Advisors, LLC

$352,190

0.38%

46,038

GOLDMAN SACHS GROUP INC

$229,063

0.25%

29,943

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	29,943	$229,063	100.0%	Defined

Invesco Ltd.

$225,252

0.24%

29,445

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	2,651	$20,279	9.0%	Defined
Invesco Trust Co joint	8,895	$68,046	30.2%	Defined
Invesco Capital Management LLC	17,899	$136,927	60.8%	Defined

XTX Topco Ltd

$217,894

0.23%

28,483

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	28,483	$217,894	100.0%	Defined

RHUMBLINE ADVISERS

$212,715

0.23%

27,806

BARCLAYS PLC

$212,356

0.23%

27,759

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	27,225	$208,271	98.1%	Defined
BARCLAYS CAPITAL INC.	534	$4,085	1.9%	Defined

STEPHENS INC /AR/

$180,050

0.19%

23,536

WELLINGTON MANAGEMENT GROUP LLP

$170,572

0.18%

22,297

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management International Ltd	22,297	$170,572	100.0%	Defined

DEUTSCHE BANK AG\

$166,242

0.18%

21,731

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	21,731	$166,242	100.0%	Defined

Empowered Funds, LLC

$161,950

0.17%

21,170

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Bridgeway Capital Management, LLC	21,170	$161,950	100.0%	Other

Hilltop Holdings Inc.

$157,590

0.17%

20,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PlainsCapital Corp joint	20,600	$157,590	100.0%	Defined

ALLIANCEBERNSTEIN L.P.

$144,508

0.16%

18,890

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	18,890	$144,508	100.0%	Defined

NEUBERGER BERMAN GROUP LLC

$144,347

0.15%

18,869

WELLS FARGO & COMPANY/MN

$142,695

0.15%

18,653

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	18,653	$142,695	100.0%	Defined

Wilmington Savings Fund Society, FSB

$142,037

0.15%

18,567

PRICE T ROWE ASSOCIATES INC /MD/

$139,780

0.15%

18,272

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	18,272	$139,780	100.0%	Defined

CITIGROUP INC

$123,409

0.13%

16,132

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	16,132	$123,409	100.0%	Defined

MetLife Investment Management, LLC

$99,924

0.11%

13,062

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	13,062	$99,924	100.0%	Defined

LEVIN CAPITAL STRATEGIES, L.P.

$91,800

0.10%

12,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$85,588

0.09%

11,188

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	11,188	$85,588	100.0%	Other

Russell Investments Group, Ltd.

$80,247

0.09%

10,490

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	10,490	$80,247	100.0%	Defined

FMR LLC

$79,437

0.09%

10,384

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	9,685	$74,090	93.3%	Defined
STRATEGIC ADVISERS LLC	699	$5,347	6.7%	Defined

Pathstone Holdings, LLC

$78,603

0.08%

10,275

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$78,481

0.08%

10,259

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	10,259	$78,481	100.0%	Defined

Vanguard Global Advisers, LLC

$72,499

0.08%

9,477

Police & Firemen's Retirement System of New Jersey

$37,408

0.04%

4,890

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	4,890	$37,408	100.0%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$32,152

0.03%

4,203

BNP PARIBAS ARBITRAGE, SA

$29,842

0.03%

3,901

Tower Research Capital LLC (TRC)

$20,471

0.02%

2,676

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,676	$20,471	100.0%	Defined

Ameritas Investment Partners, Inc.

$15,215

0.02%

1,989

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	1,989	$15,215	100.0%	Other

ROYAL BANK OF CANADA

$15,024

0.02%

1,964

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	616	$4,712	31.4%	Defined
RBC Capital Markets, LLC	1,348	$10,312	68.6%	Defined

Legal & General Group Plc

$14,458

0.02%

1,890

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	1,890	$14,458	100.0%	Defined

ROYAL LONDON ASSET MANAGEMENT LTD

$11,857

0.01%

1,550

Arax Advisory Partners

$10,794

0.01%

1,411

PNC FINANCIAL SERVICES GROUP, INC.

$9,086

0.01%

1,188

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	1,188	$9,086	100.0%	Defined

MV CAPITAL MANAGEMENT, INC.

$8,652

0.01%

1,131

NISA INVESTMENT ADVISORS, LLC

$7,695

0.01%

1,006

Sterling Capital Management LLC

$3,128

0.00%

409

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

$2,340

0.00%

306

OSAIC HOLDINGS, INC.

$2,233

0.00%

292

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	292	$2,233	100.0%	Defined

GAMMA Investing LLC

$2,149

0.00%

281

Private Wealth Management Group, LLC

$1,591

0.00%

208

Integrated Wealth Concepts LLC

$1,560

0.00%

204

SBI Securities Co., Ltd.

$1,162

0.00%

152

NewEdge Advisors, LLC

$971

0.00%

127

Steward Partners Investment Advisory, LLC

$956

0.00%

125

Essential Partners LLC

$887

0.00%

116

Cornerstone Financial Management LLC

$841

0.00%

110

Allworth Financial LP

$826

0.00%

108

HARBOUR INVESTMENTS, INC.

$765

0.00%

100

Rialto Wealth Management, LLC

$527

0.00%

True Wealth Design, LLC

$306

0.00%

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$275

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	36	$275	100.0%	Defined

EverSource Wealth Advisors, LLC

$274

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	2	$14	5.1%	Sole
Held directly	34	$260	94.9%	Sole

Farther Finance Advisors, LLC

$260

0.00%

ROTHSCHILD INVESTMENT LLC

$137

0.00%

Fortitude Family Office, LLC

$122

0.00%

Transamerica Financial Advisors, LLC

$68

0.00%

Caitong International Asset Management Co., Ltd

$53

0.00%

Wealth Enhancement Trust Services, Inc.

$45

0.00%

Clearstead Advisors, LLC

$45

0.00%

SJS Investment Consulting Inc.

$30

0.00%

IFP Advisors, Inc

$15

0.00%

Optiver Holding B.V.

$15

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	2	$15	100.0%	Defined

Key facts CIK 1690334 CUSIP 78413P101 13F (30d) 79 filings 76 filers Visit website Investor relations