GENTHERM INC (THRM) Stock Institutional Trading Activity


GENTHERM INC (THRM) 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 Mairs & Power Growth Fund, Renaissance Technologies LLC, Disciplined Growth Investors, and Scion Asset 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
Q4 2025Mairs & Power Growth FundSell-22,84152,946$1,925,646
Q4 2025Renaissance Technologies LLCSell-500218,064$7,930,988
Q3 2025Mairs & Power Growth FundSell-67,15275,787$2,581,305
Q3 2025Renaissance Technologies LLCBuy29,100218,564$7,444,290
Q2 2025Mairs & Power Growth FundSell-9,053142,939$4,043,744
Q2 2025Renaissance Technologies LLCBuy125,400189,464$5,359,937
Q1 2025Renaissance Technologies LLCBuy52,60064,064$1,713,071
Q1 2025Mairs & Power Growth FundSell-37,636151,992$4,064,266
Q1 2025Disciplined Growth InvestorsBuy2,6921,190,008$31,820,814
Q4 2024Mairs & Power Growth FundBuy1,810189,628$7,570,898
Q4 2024Disciplined Growth InvestorsBuy17,6451,187,316$47,403,591
Q3 2024Mairs & Power Growth FundBuy3,820187,818$8,742,928
Q3 2024Disciplined Growth InvestorsBuy23,0511,169,671$54,448,185
Q2 2024Renaissance Technologies LLCSell-17,10011,464$565,404
Q2 2024Mairs & Power Growth FundSell-7,344183,998$9,074,781
Q2 2024Disciplined Growth InvestorsBuy8,0491,146,620$56,551,298
Q1 2024Renaissance Technologies LLCBuy23,96728,564$1,645
Q1 2024Mairs & Power Growth FundSell-203,664191,342$11,017,472
Q1 2024Disciplined Growth InvestorsBuy53,8471,138,571$65,558,918
Q4 2023Renaissance Technologies LLCSell-52,9674,597$241
Q4 2023Mairs & Power Growth FundBuy33,570395,006$20,682,514
Q4 2023Disciplined Growth InvestorsSell-6,9431,084,724$56,796,149
Q3 2023Renaissance Technologies LLCBuy1,10057,564$3,123
Q3 2023Mairs & Power Growth FundSell-1,165361,436$19,611,517
Q3 2023Disciplined Growth InvestorsSell-25,3711,091,667$59,233,851
Q2 2023Renaissance Technologies LLCBuy36,60056,464$3,191
Q2 2023Mairs & Power Growth FundSell-8,719362,601$20,490,583
Q2 2023Disciplined Growth InvestorsBuy1,4761,117,038$63,123,817
Q1 2023Renaissance Technologies LLCBuy7,60019,864$1,200
Q1 2023Mairs & Power Growth FundSell-15,462371,320$22,435,154

Frequently asked questions about THRM activity

  • Which institutional owners are buying THRM?

    Institutional owners buying THRM 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 THRM activity?

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

  • Is institutional interest in THRM increasing?

    Institutional interest in THRM 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.