Stock Ownership/MCK

MCKESSON CORP (MCK): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MCK · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
39
13F filers
Aggregate Value
$4.6B
Across holders
Last Price
$873.79
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity29 increased10 reduced3 exited
Full exits: FARALLON CAPITAL MANAGEMENT LLC, MARSHALL WACE, LLP, Parallax Volatility Advisers, L.P.
Institutional Holders of MCK
↗
39 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.55M$1.2B25.6%0.5%Added+$181.2MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund879K$661.0M14.4%0.2%Reduced+$660.9MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund522K$394.1M8.6%0.4%Added+$392.0MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund484K$365.6M8.0%0.2%Added+$358.0MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund460K$347.9M7.6%0.0%Added+$174.9MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund361K$272.8M5.9%0.4%Added+$184.2MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund190K$143.8M3.1%0.2%Added+$125.7MQ2 2026
SANDS CAPITAL MANAGEMENT, LLC
CIK 0001020066
Institutional Manager184K$138.7M3.0%0.5%Reduced$-13.4MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund171K$129.2M2.8%0.2%Reduced+$128.9MQ2 2026
TCW GROUP INC
CIK 0000850401
Hedge Fund161K$121.4M2.6%0.8%Added$-173.6MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$1.2B· 25.6% of total· 0.5% port· 1.55M sh· +$181.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$661.0M· 14.4% of total· 0.2% port· 879K sh· +$660.9M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$394.1M· 8.6% of total· 0.4% port· 522K sh· +$392.0M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$365.6M· 8.0% of total· 0.2% port· 484K sh· +$358.0M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$347.9M· 7.6% of total· 0.0% port· 460K sh· +$174.9M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$272.8M· 5.9% of total· 0.4% port· 361K sh· +$184.2M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$143.8M· 3.1% of total· 0.2% port· 190K sh· +$125.7M QoQ· Q2 2026
SANDS CAPITAL MANAGEMENT, LLCReduced
Institutional Manager
$138.7M· 3.0% of total· 0.5% port· 184K sh· $-13.4M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$129.2M· 2.8% of total· 0.2% port· 171K sh· +$128.9M QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$121.4M· 2.6% of total· 0.8% port· 161K sh· $-173.6M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$121.1M· 2.6% of total· 0.1% port· 160K sh· $-53.2M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$120.2M· 2.6% of total· 0.6% port· 159K sh· +$11.7M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$101.4M· 2.2% of total· 0.1% port· 134K sh· +$88.4M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$76.4M· 1.7% of total· 0.0% port· 101K sh· +$33.0M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$57.9M· 1.3% of total· 0.1% port· 77K sh· +$20.6M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$54.4M· 1.2% of total· 0.1% port· 72K sh· +$38.3M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$53.2M· 1.2% of total· 0.2% port· 70K sh· +$2.2M QoQ· Q2 2026
LONE PINE CAPITAL LLCReduced
Hedge Fund
$43.7M· 1.0% of total· 0.3% port· 58K sh· $-252.7M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$43.0M· 0.9% of total· 0.1% port· 57K sh· $-11.3M QoQ· Q2 2026
PineBridge Investments, L.P.Added
Hedge Fund
$37.3M· 0.8% of total· 0.3% port· 48K sh· +$25.6M QoQ· Q3 2025
Walleye Capital LLCAdded
Hedge Fund
$32.6M· 0.7% of total· 0.1% port· 43K sh· +$31.2M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$17.8M· 0.4% of total· 0.1% port· 24K sh· +$1.4M QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$15.5M· 0.3% of total· 1.5% port· 21K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$15.3M· 0.3% of total· 0.0% port· 20K sh· $-81.4M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Added
Institutional Manager
$15.1M· 0.3% of total· 0.0% port· 20K sh· — QoQ· Q2 2026
Ancora Advisors, LLCAdded
Hedge Fund
$7.4M· 0.2% of total· 0.1% port· 10K sh· +$6.0M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$4.9M· 0.1% of total· 0.0% port· 6K sh· +$189K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$4.2M· 0.1% of total· 0.0% port· 6K sh· +$3.4M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$4.1M· 0.1% of total· 0.0% port· 5K sh· $-2.7M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$3.9M· 0.1% of total· 0.0% port· 5K sh· $-8.5M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$2.9M· 0.1% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$2.9M· 0.1% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$2.1M· 0.0% of total· 0.0% port· 3K sh· $-5.5M QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$1.7M· 0.0% of total· 0.0% port· 2K sh· +$1.0M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$1.2M· 0.0% of total· 0.0% port· 2K sh· $-1.2M QoQ· Q2 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$536K· 0.0% of total· 0.0% port· 709 sh· $-410K QoQ· Q2 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$504K· 0.0% of total· 0.0% port· 627 sh· +$25K QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$212K· 0.0% of total· 0.0% port· 280 sh· — QoQ· Q2 2026
Alphadyne Asset Management LPAdded
Hedge Fund
$73K· 0.0% of total· 0.0% port· 97 sh· $-380K QoQ· Q2 2026
1–10 of 39
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