SEACOR MARINE HOLDINGS INC (SMHI) Stock Institutional Trading Activity


SEACOR MARINE HOLDINGS INC (SMHI) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Semper Augustus Investments Group, First Eagle U.S. Value, Donald Smith & Co., and Third Avenue Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Third Avenue ManagementBuy259357,909$8,100
Q2 2018Semper Augustus Investments GroupSell-7,363328,858$7,593
Q2 2018Donald Smith & Co.Sell-14,368126,139$2,913
Q2 2018Third Avenue ManagementBuy65,750357,650$8,247
Q1 2018Semper Augustus Investments GroupBuy7,344336,221$6,395
Q1 2018Donald Smith & Co.Sell-2,987140,507$2,672
Q1 2018Third Avenue ManagementBuy291,900291,900$5,552
Q4 2017Semper Augustus Investments GroupBuy89,048328,877$3,848
Q4 2017Donald Smith & Co.Sell-7,376143,494$1,679
Q3 2017Semper Augustus Investments GroupBuy157,478239,829$3,751
Q3 2017Donald Smith & Co.Sell-6,134150,870$2,360
Q2 2017Semper Augustus Investments GroupBuy82,35182,351$1,677
Q2 2017Renaissance Technologies LLCBuy82,67582,675$1,683
Q2 2017First Eagle U.S. ValueBuy97,07697,076$1,976
Q2 2017Donald Smith & Co.Buy157,004157,004$3,197
Q2 2017Longleaf PartnersBuy592,815592,815$12,070

Frequently asked questions about SMHI activity

  • Which institutional owners are buying SMHI?

    Institutional owners buying SMHI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in SMHI activity?

    "Buy" means an investor increased their reported position in SMHI compared to the prior reporting period. This reflects growing exposure to SEACOR MARINE HOLDINGS INC (SMHI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in SMHI increasing?

    Institutional interest in SMHI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.