MCKESSON CORP (MCK) Institutional Ownership Changes & 13F Activity

MCKESSON CORP (MCK) 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 Lone Pine Capital, Renaissance Technologies LLC, Cullen Value Fund, Sequoia Financial Advisors, and Muhlenkamp & Co.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Lone Pine CapitalSell-168,712392,224$339,414,961
Q1 2026Renaissance Technologies LLCBuy55,960117,246$101,459,999
Q1 2026Cullen Value FundBuy2,2936,963$6,025,285
Q1 2026Sequoia Financial AdvisorsBuy1689,710$8,402,371
Q1 2026Muhlenkamp & CoSell-2427,169$23,510,966
Q4 2025Renaissance Technologies LLCSell-61,14061,286$50,272,293
Q4 2025Cullen Value FundBuy3,9524,670$3,811,230
Q4 2025Sequoia Financial AdvisorsBuy5259,542$7,827,384
Q4 2025Muhlenkamp & CoBuy8527,193$22,306,146
Q3 2025Renaissance Technologies LLCSell-75,700122,426$94,578,982
Q3 2025Sequoia Financial AdvisorsBuy299,017$6,965,793
Q3 2025Muhlenkamp & CoBuy2427,108$20,942,214
Q3 2025Cullen Value FundBuy1718$529,702
Q2 2025Renaissance Technologies LLCBuy197,326198,126$145,182,770
Q2 2025Muhlenkamp & CoSell-11,50527,084$19,846,781
Q2 2025Sequoia Financial AdvisorsBuy2928,988$6,586,618
Q2 2025Cullen Value FundSell-14717$525,136
Q1 2025Renaissance Technologies LLCSell-234,426800$538,392
Q1 2025Sequoia Financial AdvisorsBuy1,6888,696$5,852,381
Q1 2025Muhlenkamp & CoSell-7238,589$25,970,143
Q1 2025Cullen Value FundSell-66731$492,014
Q4 2024Renaissance Technologies LLCBuy147,600235,226$134,057,650
Q4 2024Sequoia Financial AdvisorsBuy4147,008$3,994,142
Q4 2024Muhlenkamp & CoBuy5438,661$22,033,380
Q4 2024Cullen Value FundBuy8797$454,247
Q3 2024Renaissance Technologies LLCBuy85,02687,626$43,324,047
Q3 2024Sequoia Financial AdvisorsBuy2266,594$3,260,006
Q3 2024Muhlenkamp & CoSell-2938,607$19,088,128
Q2 2024Viking Global InvestorsSell-448,411142,169$83,032,383
Q2 2024Hancock Classic ValueSell-30,88567,079$39,176,819

Frequently asked questions about MCK activity

  • Which institutional owners are buying MCK?

    Institutional owners buying MCK 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 MCK activity?

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

  • Is institutional interest in MCK increasing?

    Institutional interest in MCK 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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