General Motors Co (GM) (GM) Stock Institutional Trading Activity


General Motors Co (GM) (GM) 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 Greenhaven Associates, Viking Global Investors, Renaissance Technologies LLC, Olstein Capital Management, and Tweedy, Browne Co All Funds (US). 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 2018Greenhaven AssociatesBuy127,40020,391,537$682,097
Q4 2018Olstein Capital ManagementSell-34,000168,000$5,620
Q4 2018Greenlight CapitalSell-2,936,80011,944,243$399,534
Q4 2018Berkshire HathawayBuy19,808,28572,269,696$2,417,421
Q3 2018Torray FundBuy14,061457,252$15,396
Q3 2018ARK InvestSell-5,87080,861$2,723
Q3 2018Eagle Capital ManagementSell-371,31420,947,052$705,287
Q3 2018Hancock Classic ValueBuy716,030739,178$24,888
Q3 2018Greenhaven AssociatesBuy71,25020,264,137$682,293
Q3 2018Olstein Capital ManagementBuy40,000202,000$6,801
Q3 2018Fairfax Financial HoldingsBuy295,500375,965$12,659
Q3 2018Greenlight CapitalSell-6,279,80014,881,043$501,045
Q3 2018Berkshire HathawayBuy1,067,80052,461,411$1,766,376
Q2 2018Torray FundBuy160443,191$17,462
Q2 2018Eagle Capital ManagementSell-475,32621,318,366$839,944
Q2 2018ARK InvestSell-6,67686,731$3,417
Q2 2018Greenhaven AssociatesBuy16,106,38720,192,887$795,600
Q2 2018Fairfax Financial HoldingsBuy80,46580,465$3,170
Q2 2018Olstein Capital ManagementSell-33,000162,000$6,383
Q2 2018Greenlight CapitalSell-1,453,55721,160,843$833,737
Q2 2018Berkshire HathawayBuy1,393,61151,393,611$2,024,908
Q1 2018Torray FundBuy6,723443,031$16,100
Q1 2018Eagle Capital ManagementSell-52,93221,793,692$791,983
Q1 2018ARK InvestSell-23,35493,407$3,394
Q1 2018Greenhaven AssociatesBuy4,086,5004,086,500$148,503
Q1 2018Olstein Capital ManagementBuy61,000195,000$7,086
Q1 2018Renaissance Technologies LLCSell-2,681,2902,628,710$95,527
Q1 2018Greenlight CapitalSell-3,247,80022,614,400$821,807
Q4 2017Torray FundSell-5,783436,308$17,884
Q4 2017Eagle Capital ManagementSell-524,42521,846,624$895,493

Frequently asked questions about GM activity

  • Which institutional owners are buying GM?

    Institutional owners buying GM 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 GM activity?

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

  • Is institutional interest in GM increasing?

    Institutional interest in GM 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.