ADVANCED MICRO DEVICES (AMD) Stock Institutional Trading Activity


ADVANCED MICRO DEVICES (AMD) 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, Appaloosa Management, Viking Global Investors, Cullen Value Fund, and Mairs & Power Growth Fund. 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-5832,013$431,104
Q4 2025Appaloosa ManagementSell-625,000325,000$69,602,000
Q4 2025Renaissance Technologies LLCBuy740,8631,264,310$267,912,229
Q4 2025Viking Global InvestorsSell-439,0783,742,191$801,427,625
Q4 2025Cullen Value FundSell-7,24316,172$3,285,665
Q3 2025ARK InvestBuy349,8063,057,911$494,739,497
Q3 2025Mairs & Power Growth FundBuy8232,596$420,007
Q3 2025Sequoia Financial AdvisorsBuy4,13058,090$9,398,304
Q3 2025Renaissance Technologies LLCSell-2,672,343523,447$83,152,089
Q3 2025Appaloosa ManagementSell-250,000950,000$153,700,500
Q3 2025Parnassus Endeavor FundSell-1,070,0662,920,991$472,587,134
Q3 2025Viking Global InvestorsBuy2,270,6984,181,269$676,487,512
Q3 2025Cullen Value FundBuy22223,415$3,855,748
Q2 2025ARK InvestBuy1,285,6342,708,105$384,280,122
Q2 2025Mairs & Power Growth FundSell-2651,773$251,589
Q2 2025Hillman Value FundSell-7,82424,163$3,428,730
Q2 2025Sequoia Financial AdvisorsBuy8,14953,960$7,656,926
Q2 2025Parnassus Endeavor FundSell-151,3613,991,057$566,330,988
Q2 2025Viking Global InvestorsSell-2,041,5171,910,571$271,110,025
Q2 2025Cullen Value FundBuy3,63523,193$3,291,087
Q1 2025ARK InvestBuy215,8831,422,471$146,144,670
Q1 2025Mairs & Power Growth FundSell-952,038$209,384
Q1 2025Hillman Value FundBuy31,98731,987$3,286,344
Q1 2025Sequoia Financial AdvisorsSell-15,71845,811$4,706,648
Q1 2025Renaissance Technologies LLCBuy2,019,3003,195,790$328,335,465
Q1 2025Parnassus Endeavor FundBuy4,133,7854,142,418$425,592,026
Q1 2025Cullen Value FundBuy1,12619,558$2,009,389
Q4 2024ARK InvestBuy421,2751,206,588$145,743,715
Q4 2024Mairs & Power Growth FundBuy4602,133$257,645
Q4 2024Parnassus Endeavor FundBuy2,5758,633$1,042,780

Frequently asked questions about AMD activity

  • Which institutional owners are buying AMD?

    Institutional owners buying AMD 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 AMD activity?

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

  • Is institutional interest in AMD increasing?

    Institutional interest in AMD 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.