MAGNA INTERNATIONAL INC (MGA) Stock Institutional Trading Activity


MAGNA INTERNATIONAL INC (MGA) 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 Turtle Creek Asset Management, Renaissance Technologies LLC, Hancock Classic Value, Sequoia Financial Advisors, and ARK Invest. 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
Q2 2022Chou Associates ManagementSell-10,00010,000$549
Q2 2022Renaissance Technologies LLCSell-24,40052,800$2,900
Q1 2022ARK InvestSell-206,742409,740$26,350
Q1 2022Turtle Creek Asset ManagementBuy611,3502,189,650$140,816
Q1 2022Renaissance Technologies LLCBuy46,20077,200$4,964
Q4 2021ARK InvestSell-89,517616,482$49,898
Q4 2021Sound Shore ManagementBuy252,2991,365,824$110,550
Q4 2021Turtle Creek Asset ManagementBuy48,0501,578,300$127,748
Q4 2021Renaissance Technologies LLCSell-199,28431,000$2,508
Q3 2021ARK InvestBuy155,931705,999$53,119
Q3 2021Sound Shore ManagementSell-4,6241,113,525$83,782
Q3 2021Turtle Creek Asset ManagementBuy228,9501,530,250$115,136
Q3 2021Renaissance Technologies LLCSell-30,500230,284$17,336
Q2 2021ARK InvestSell-157,041550,068$50,958
Q2 2021Sound Shore ManagementSell-22,5421,118,149$103,585
Q2 2021Turtle Creek Asset ManagementSell-43,2001,301,300$120,552
Q1 2021ARK InvestBuy589,827707,109$62,254
Q1 2021Sound Shore ManagementSell-246,9041,140,691$100,426
Q1 2021Turtle Creek Asset ManagementSell-195,3001,344,500$118,370
Q1 2021Renaissance Technologies LLCSell-152,100260,784$22,959
Q4 2020ARK InvestBuy117,282117,282$8,304
Q4 2020Sound Shore ManagementSell-212,6641,387,595$98,242
Q4 2020Turtle Creek Asset ManagementSell-353,1001,539,800$109,018
Q4 2020Renaissance Technologies LLCSell-21,986412,884$29,232
Q3 2020Sound Shore ManagementBuy84,3381,600,259$73,212
Q3 2020Turtle Creek Asset ManagementSell-21,8001,892,900$86,600
Q3 2020Renaissance Technologies LLCBuy222,386434,870$19,899
Q2 2020Sound Shore ManagementBuy1,515,9211,515,921$67,504
Q2 2020Turtle Creek Asset ManagementSell-101,2001,914,700$85,262
Q2 2020Renaissance Technologies LLCSell-206,200212,484$9,462

Frequently asked questions about MGA activity

  • Which institutional owners are buying MGA?

    Institutional owners buying MGA 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 MGA activity?

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

  • Is institutional interest in MGA increasing?

    Institutional interest in MGA 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.