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 2019Baupost GroupBuy1,095,0002,815,011$329,525
Q1 2019Renaissance Technologies LLCSell-700,700242,910$28,435
Q1 2019Hancock Classic ValueBuy606,7813,683,196$431,155
Q1 2019Vulcan Value PartnersSell-273,0904,218,301$493,794
Q1 2019Arbiter Partners Capital ManagementSell-114,8064,994$585
Q1 2019Muhlenkamp & CoSell-1,14269,600$8,147
Q4 2018Vulcan Value PartnersSell-927,5814,491,391$496,164
Q4 2018Baupost GroupSell-455,6891,720,011$190,010
Q4 2018Renaissance Technologies LLCBuy244,210943,610$104,241
Q4 2018Hancock Classic ValueSell-83,7803,076,415$339,852
Q4 2018Scion Asset ManagementBuy40,00040,000$4,419
Q3 2018Vulcan Value PartnersBuy1,650,8735,418,972$718,827
Q3 2018Baupost GroupBuy548,0002,175,700$288,607
Q3 2018Hancock Classic ValueBuy323,4853,160,195$419,200
Q3 2018Renaissance Technologies LLCBuy134,200699,400$92,775
Q3 2018Arbiter Partners Capital ManagementBuy10,000119,800$15,891
Q3 2018Muhlenkamp & CoSell-34870,742$9,384
Q2 2018Vulcan Value PartnersBuy273,0903,768,099$502,664
Q2 2018Hancock Classic ValueBuy201,0622,836,710$378,417
Q2 2018Baupost GroupBuy12,0001,627,700$217,135
Q2 2018Sequoia Financial AdvisorsSell-7151,861$248
Q1 2018Baupost GroupBuy255,7001,615,700$227,604
Q1 2018Vulcan Value PartnersSell-117,3803,495,009$492,342
Q1 2018Hancock Classic ValueBuy35,2472,635,648$371,284
Q1 2018Arbiter Partners Capital ManagementBuy21,800109,800$15,468
Q1 2018Muhlenkamp & CoBuy1,14371,090$10,014
Q1 2018Sequoia Financial AdvisorsBuy6582,576$363
Q4 2017Baupost GroupBuy860,0001,360,000$212,092
Q4 2017Vulcan Value PartnersBuy305,4923,612,389$563,352
Q4 2017Hancock Classic ValueBuy141,8702,600,401$405,533

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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