GRAHAM CORP (GHM) Stock Institutional Trading Activity


GRAHAM CORP (GHM) 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, Polen Capital Management, Olstein Capital Management, First Eagle U.S. Value, and Bares Capital 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 2018Renaissance Technologies LLCBuy35,400356,500$10,043
Q1 2018Renaissance Technologies LLCSell-14,800321,100$6,878
Q4 2017Renaissance Technologies LLCSell-11,100335,900$7,030
Q3 2017Renaissance Technologies LLCBuy58,800347,000$7,228
Q2 2017Renaissance Technologies LLCBuy53,000288,200$5,666
Q1 2017Renaissance Technologies LLCBuy13,400235,200$5,410
Q4 2016Renaissance Technologies LLCBuy13,000221,800$4,913
Q3 2016Renaissance Technologies LLCBuy16,000208,800$3,988
Q2 2016Renaissance Technologies LLCBuy18,700192,800$3,551
Q1 2016Renaissance Technologies LLCBuy44,300174,100$3,466
Q4 2015Renaissance Technologies LLCBuy21,400129,800$2,183
Q3 2015Renaissance Technologies LLCBuy18,107108,400$1,913
Q2 2015Renaissance Technologies LLCBuy9590,293$1,850
Q1 2015Renaissance Technologies LLCBuy18,73490,198$2,162
Q4 2014Renaissance Technologies LLCSell-4,23671,464$2,056
Q3 2014Renaissance Technologies LLCBuy11,90075,700$2,176
Q2 2014Bares Capital ManagementBuy134,195584,674$20,353
Q2 2014Renaissance Technologies LLCBuy54,10063,800$2,221
Q1 2014Bares Capital ManagementBuy450,479450,479$14,348
Q1 2014Renaissance Technologies LLCBuy2,0009,700$309
Q4 2013Renaissance Technologies LLCSell-15,1007,700$279
Q3 2013Renaissance Technologies LLCBuy1,80022,800$824
Q2 2013Renaissance Technologies LLCBuy21,00021,000$631

Frequently asked questions about GHM activity

  • Which institutional owners are buying GHM?

    Institutional owners buying GHM 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 GHM activity?

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

  • Is institutional interest in GHM increasing?

    Institutional interest in GHM 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.