PFIZER INC (PFE) Institutional Ownership Changes & 13F Activity

PFIZER INC (PFE). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Hancock Classic Value, Causeway Capital Management, Sound Shore Management, Fairfax Financial Holdings, and Kahn Brothers Group.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2020Mairs & Power Growth FundSell-197,0882,071,554$76,254
Q4 2020Fairfax Financial HoldingsBuy90,900300,900$11,076
Q4 2020Hancock Classic ValueBuy74,1782,810,113$103,440
Q4 2020Jensen Investment ManagementBuy54,80811,223,611$413,141
Q4 2020Hillman Value FundBuy18,832108,468$3,993
Q4 2020Kahn Brothers GroupSell-17,826674,718$24,836,370
Q4 2020Dodge & Cox Stock FundSell-17,438197,406$7,267
Q4 2020Sequoia Financial AdvisorsBuy15,588118,448$4,360
Q4 2020Matrix Private Capital GroupBuy2,22818,628$686
Q4 2020Muhlenkamp & CoSell-2823,739$874
Q3 2020Berkshire HathawayBuy3,711,7803,711,780$136,222
Q3 2020Renaissance Technologies LLCSell-2,064,897537,041$19,709
Q3 2020Sound Shore ManagementSell-784,1722,693,226$98,841
Q3 2020Jensen Investment ManagementBuy761,98011,168,803$409,895
Q3 2020Hancock Classic ValueBuy310,4172,735,935$100,409
Q3 2020Mairs & Power Growth FundSell-251,2792,268,642$83,259
Q3 2020Sequoia Financial AdvisorsBuy102,860102,860$3,775
Q3 2020Kahn Brothers GroupSell-71,972692,544$25,416,366
Q3 2020Dodge & Cox Stock FundSell-26,743214,844$7,885
Q3 2020Matrix Private Capital GroupBuy4,31616,400$602
Q3 2020Muhlenkamp & CoSell-15523,767$872
Q3 2020Hillman Value FundSell-11089,636$3,290
Q2 2020Hancock Classic ValueSell-722,5842,425,518$79,314
Q2 2020Jensen Investment ManagementBuy657,08310,406,823$340,303
Q2 2020Mairs & Power Growth FundSell-233,6102,519,921$82,401
Q2 2020Sound Shore ManagementBuy115,9043,477,398$113,711
Q2 2020Sequoia Financial AdvisorsSell-78,3930$2,993
Q2 2020Dodge & Cox Stock FundSell-66,683241,587$7,900
Q2 2020Kahn Brothers GroupSell-5,800764,516$24,999,673
Q2 2020Muhlenkamp & CoSell-1,09223,922$782

Frequently asked questions about PFE activity

  • Which institutional owners are buying PFE?

    Institutional owners buying PFE 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 PFE activity?

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

  • Is institutional interest in PFE increasing?

    Institutional interest in PFE 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.

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