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
Q3 2021Matrix Advisors Value FundBuy3,57331,422$6,682
Q3 2021Renaissance Technologies LLCBuy150,645151,845$32,290
Q3 2021Hancock Classic ValueSell-67,648533,272$113,400
Q2 2021Torray FundBuy6449,060$2,208
Q2 2021Dodge & Cox Stock FundSell-88016,907$4,121
Q2 2021Mairs & Power Growth FundSell-758,380$2,043
Q2 2021Sequoia Financial AdvisorsSell-12610,849$2,644
Q2 2021Matrix Advisors Value FundBuy11,21627,849$6,788
Q2 2021Hancock Classic ValueBuy55,824600,920$146,474
Q1 2021Torray FundBuy3568,416$2,094
Q1 2021Dodge & Cox Stock FundSell-7017,787$4,426
Q1 2021Renaissance Technologies LLCSell-166,4451,200$299
Q1 2021Mairs & Power Growth FundSell-358,455$2,104
Q1 2021Sequoia Financial AdvisorsBuy97010,975$2,731
Q1 2021Matrix Advisors Value FundBuy12,70916,633$4,138
Q1 2021Hancock Classic ValueBuy31,246545,096$135,625
Q4 2020Torray FundBuy1,0268,060$1,853
Q4 2020Dodge & Cox Stock FundSell-1,10017,857$4,106
Q4 2020Mairs & Power Growth FundBuy358,490$1,952
Q4 2020Sequoia Financial AdvisorsBuy26310,005$2,300
Q4 2020Renaissance Technologies LLCSell-405,639167,645$38,545
Q4 2020Hancock Classic ValueBuy11,973513,850$118,144
Q3 2020Torray FundBuy497,034$1,788
Q3 2020Dodge & Cox Stock FundSell-1,18518,957$4,818
Q3 2020Mairs & Power Growth FundBuy758,455$2,149
Q3 2020Sequoia Financial AdvisorsBuy629,742$2,476
Q3 2020Renaissance Technologies LLCSell-1,038,330573,284$145,706
Q3 2020Hancock Classic ValueSell-33,694501,877$127,557
Q2 2020Torray FundSell-1,4976,985$1,647
Q2 2020Dodge & Cox Stock FundSell-65520,142$4,751

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.