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 13F filings (Q1 2026). 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 2023Matrix Advisors Value FundBuy14,305208,540$6,003,867
Q4 2023Hillman Value FundBuy11,263187,795$5,406,618
Q4 2023Hancock Classic ValueBuy4,3152,723,445$78,407,981
Q4 2023Matrix Private Capital GroupSell-3,3019,468$272,584
Q4 2023Dodge & Cox Stock FundSell-2,100116,385$3,350,724
Q3 2023Renaissance Technologies LLCSell-1,822,9776,588,664$218,546
Q3 2023Jensen Investment ManagementBuy353,20212,115,840$401,882,413
Q3 2023Sound Shore ManagementSell-126,9001,665,647$55,249,511
Q3 2023Matrix Advisors Value FundBuy80,761194,235$6,442,775
Q3 2023Bill & Melinda Gates Foundation TrustBuy68,00068,000$2,255,560
Q3 2023Mairs & Power Growth FundSell-67,630257,552$8,543,000
Q3 2023Sequoia Financial AdvisorsSell-22,823240,361$7,972,787
Q3 2023Kahn Brothers GroupSell-10,3321,055,759$35,019,825
Q3 2023Hancock Classic ValueSell-5,4812,719,130$90,193,542
Q3 2023Dodge & Cox Stock FundSell-4,500118,485$3,930,147
Q3 2023ARK InvestSell-1,521464,080$15,393,521
Q3 2023Matrix Private Capital GroupBuy112,769$423,563
Q2 2023Renaissance Technologies LLCSell-3,738,3148,411,641$308,539
Q2 2023Sound Shore ManagementSell-647,5211,792,547$65,750,624
Q2 2023Jensen Investment ManagementBuy145,24311,762,638$431,453,562
Q2 2023Matrix Advisors Value FundBuy107,828113,474$4,162,226
Q2 2023Mairs & Power Growth FundSell-45,648325,182$11,927,676
Q2 2023Kahn Brothers GroupBuy36,4291,066,091$39,104,514
Q2 2023ARK InvestSell-19,189465,601$17,078,248
Q2 2023Hancock Classic ValueSell-17,2382,724,611$99,938,731
Q2 2023Sequoia Financial AdvisorsSell-5,099263,184$9,653,579
Q2 2023Dodge & Cox Stock FundSell-500122,985$4,511,090
Q2 2023Matrix Private Capital GroupSell-22512,768$468,325
Q1 2023Renaissance Technologies LLCBuy11,078,51412,149,955$495,718
Q1 2023Jensen Investment ManagementBuy1,091,42111,617,395$469,110,410

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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