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Seacor Marine Holdings Inc (SMHI)

CUSIP: 78413P101 | NYSE | Industrials · Marine Shipping | Micro Cap | 273 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13GCarl K. Oppenheimer
with Oppenheimer + Close, LLC, Oppvest, LLC, P. Oppenheimer Investment Parternship, LP, +1 more
1,383,0575.1%−735Sep 30, 2026No 13F filer matched
13DChernett Jorey1,946,9637.2%New 5%+ stakeJun 22, 2026No 13F filer matched
13GCarl K. Oppenheimer1,383,057
5.1% of class · Sep 30, 2026−735
with Oppenheimer + Close, LLC, Oppvest, LLC, P. Oppenheimer Investment Parternship, LP, +1 more
No 13F filer matched
13DChernett Jorey1,946,963
7.2% of class · Jun 22, 2026New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP1,219,552
0.0% of portfolio›$9.9M
Oppenheimer & Co Inc234,400
0.0% of portfolio›$1.9M
Perennial Advisors, LLC45,709
0.1% of portfolio›$371.2K
Citigroup Inc18,644
0.0% of portfolio›$151.4K
Wilmington Savings Fund Society, FSB18,567
0.0% of portfolio›$150.8K
Covestor Ltd3,633
0.0% of portfolio›$29
MV Capital Management, Inc.1,131
0.0% of portfolio›$9.2K
Nisa Investment Advisors, LLC1,006
0.0% of portfolio›$8.2K
Gamma Investing LLC943
0.0% of portfolio›$7.7K
Fortitude Family Office, LLC832
0.0% of portfolio›$6.8K
Ascentis Independent Advisors600
0.0% of portfolio›$4.9K
Sterling Capital Management LLC439
0.0% of portfolio›$3.6K
Farther Finance Advisors, LLC342
0.0% of portfolio›$2.8K
Private Wealth Management Group, LLC208
0.0% of portfolio›$1.7K
Parkside Financial Bank & Trust175
0.0% of portfolio›$1.4K
SBI Securities Co., Ltd.151
0.0% of portfolio›$1.2K
Essential Partners LLC135
0.0% of portfolio›$1.1K
Root Financial Partners, LLC68
0.0% of portfolio›$552
EverSource Wealth Advisors, LLC41
0.0% of portfolio›$333
True Wealth Design, LLC40
0.0% of portfolio›$325
Caitong International Asset Management Co., Ltd23
0.0% of portfolio›$187
SJS Investment Consulting Inc.21
0.0% of portfolio›$171
IFP Advisors, Inc2
0.0% of portfolio›$16
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
1,219,552$9.9M0.0%IndexLowAustin, TX2026-11-04
Oppenheimer & Co Inc
234,400$1.9M0.0%CoreLowNew York, NY2026-10-26
Perennial Advisors, LLC
45,709$371.2K0.1%CoreLowNew York, NY2026-10-13
Citigroup Inc
18,644$151.4K0.0%CoreMediumNew York, NY2026-11-04
Wilmington Savings Fund Society, FSB
18,567$150.8K0.0%CoreLowWilmington, DE2026-10-23
Covestor Ltd
3,633$290.0%ValueHighLondon, United Kingdom2026-10-30
MV Capital Management, Inc.
1,131$9.2K0.0%ETFLowBethesda, MD2026-10-29
Nisa Investment Advisors, LLC
1,006$8.2K0.0%IndexVery LowSt. Louis, MO2026-10-20
Gamma Investing LLC
943$7.7K0.0%IndexVery LowFoster City, CA2026-10-08
Fortitude Family Office, LLC
832$6.8K0.0%ETFMediumScottsdale, AZ2026-10-14
Ascentis Independent Advisors
600$4.9K0.0%ETFLowDallas, TX2026-11-03
Sterling Capital Management LLC
439$3.6K0.0%GARPMediumCharlotte, NC2026-10-22
Farther Finance Advisors, LLC
342$2.8K0.0%IndexLowSan Francisco, CA2026-10-08
Private Wealth Management Group, LLC
208$1.7K0.0%ETFLowPrinceton, NJ2026-10-19
Parkside Financial Bank & Trust
175$1.4K0.0%CoreVery LowSaint Louis, MO2026-10-27
SBI Securities Co., Ltd.
151$1.2K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Essential Partners LLC
135$1.1K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
Root Financial Partners, LLC
68$5520.0%ETFMediumEncinitas, CA2026-10-21
EverSource Wealth Advisors, LLC
41$3330.0%CoreMediumBirmingham, AL2026-11-04
True Wealth Design, LLC
40$3250.0%ETFMediumAkron, OH2026-10-13
Caitong International Asset Management Co., Ltd
23$1870.0%GrowthVery HighHong Kong, South Korea2026-10-29
SJS Investment Consulting Inc.
21$1710.0%ETFVery LowSylvania, OH2026-10-26
IFP Advisors, Inc
2$160.0%GrowthLowTampa, FL2026-10-16