AMGEN INC (AMGN) Stock Institutional Trading Activity


AMGEN INC (AMGN) 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 Matrix Advisors Value Fund, Mairs & Power Growth Fund, Cullen Value Fund, Renaissance Technologies LLC, 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
Q4 2025Mairs & Power Growth FundSell-1435,524$1,808,060
Q4 2025Matrix Advisors Value FundSell-2,682103,549$33,892,468
Q4 2025Cullen Value FundBuy57,713$2,515,050
Q3 2025Torray FundBuy2,67272,530$20,467,966
Q3 2025ARK InvestSell-10,66847,265$13,338,234
Q3 2025Dodge & Cox Stock FundSell-31513,367$3,772,167
Q3 2025Mairs & Power Growth FundSell-1715,667$1,599,227
Q3 2025Matrix Advisors Value FundBuy4,633106,231$29,978,254
Q3 2025Sequoia Financial AdvisorsBuy3,619160,646$45,334,225
Q3 2025Renaissance Technologies LLCSell-110,055167,245$47,196,539
Q3 2025Cullen Value FundSell-4777,708$2,296,249
Q2 2025Torray FundBuy12,53969,858$19,505,052
Q2 2025ARK InvestSell-1,09857,933$16,175,456
Q2 2025Dodge & Cox Stock FundBuy15013,682$3,820,151
Q2 2025Mairs & Power Growth FundBuy8775,838$1,630,028
Q2 2025Matrix Advisors Value FundBuy4,284101,598$28,367,310
Q2 2025Sequoia Financial AdvisorsBuy7,966157,027$43,843,553
Q2 2025Renaissance Technologies LLCBuy162,900277,300$77,424,933
Q2 2025Cullen Value FundSell-1318,185$2,285,446
Q1 2025Torray FundSell-2,80857,319$17,857,734
Q1 2025ARK InvestSell-7,34359,031$18,391,188
Q1 2025Dodge & Cox Stock FundSell-75013,532$4,215,895
Q1 2025Mairs & Power Growth FundSell-6464,961$1,545,600
Q1 2025Matrix Advisors Value FundBuy4,29297,314$30,318,177
Q1 2025Renaissance Technologies LLCBuy45,355114,400$35,641,320
Q1 2025Sequoia Financial AdvisorsBuy5,225149,061$46,439,974
Q1 2025Cullen Value FundSell-2668,316$2,590,918
Q4 2024Torray FundBuy47,96960,127$15,671,501
Q4 2024ARK InvestSell-10,24066,374$17,299,803
Q4 2024Hancock Classic ValueSell-234,463803$209,294

Frequently asked questions about AMGN activity

  • Which institutional owners are buying AMGN?

    Institutional owners buying AMGN 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 AMGN activity?

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

  • Is institutional interest in AMGN increasing?

    Institutional interest in AMGN 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.