InvestorLens

MCK — MCKESSON CORP

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying MCK?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
50
Institutional Conviction
Mixed · 2 buying vs 2 selling last quarter
46
Macro Tailwind
Macro conditions are mixed for this sector
52
Congressional Activity
2 congressional purchases, 2 sales disclosed in the last 6 months
Why? — Evidence & Confidence ▾

Of 4 tracked investors who changed their MCK position last quarter, 2 bought and 2 sold (50% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime). 2 congressional purchases, 2 sales disclosed in the last 6 months.

Supporting evidence
  • +2 tracked investors added or increased positions last quarter (Izzy Englander, Steve Mandel)
  • +6 tracked investors reported holding MCK at their latest filing
  • +2 congressional purchases disclosed in the last 6 months
Contradicting evidence — always shown
  • −2 tracked investors reduced or exited last quarter (1 reduced, 1 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.

About MCKESSON CORP (MCK)

MCKESSON CORP (MCK) appears in the most recent 13F filings of 6 tracked institutional investors. The largest disclosed position is held by Steve Mandel (Lone Pine Capital), valued at $339M. Across recent filings, tracked investors recorded 3 new positions, 2 increased, 1 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in MCK

71
/100
Institutional Accumulation
Added / Increased5
Reduced1
Exited1
BearishBullish
Crowded Trade Score™

How many top investors track MCK

40
/100
Moderate Interest
6investors

Several tracked investors have exposure.

UndiscoveredCrowded
151015+

MCK Ownership Composition

How MCKESSON CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
95% of tracked value
Institutions
6
tracked investors
Total Reported
$847.5M
combined 13F value
Sectors2
  • Other95.5%
  • Hedge Funds4.5%
Other(5)
95.5%
Hedge Funds(1)
4.5%

Tracked investors reporting MCK

  • Steve MandelMar 31, 2026
    Lone Pine Capital
    Shares
    392.2K
    Value
    $339.4M
    % Portfolio
    2.71%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    277.4K
    Value
    $240.1M
    % Portfolio
    0.04%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    179.1K
    Value
    $155M
    % Portfolio
    0.06%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    44.5K
    Value
    $38.5M
    % Portfolio
    0.05%
  • Ray DalioMar 31, 2026
    Bridgewater Associates
    Shares
    67.4K
    Value
    $58.3M
    % Portfolio
    0.26%
  • Paul Tudor JonesMar 31, 2026
    Tudor Investment Corp
    Shares
    18.8K
    Value
    $16.2M
    % Portfolio
    0.03%

Recent activity

Frequently asked questions

How many institutional investors hold MCK?
6 tracked institutional investors disclosed a position in MCK (MCKESSON CORP) in their most recent 13F filing.
Who is the largest institutional holder of MCK?
Steve Mandel, Lone Pine Capital, holds the largest disclosed position in MCK, valued at $339M.
Did institutional ownership of MCK increase or decrease?
Across recent 13F filings, tracked investors recorded 3 new positions, 2 increased, 1 reduced, and 1 fully exited MCK.
Where does this MCK ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.