MCK — MCKESSON CORP
Public company
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.
Why? — Evidence & Confidence ▾
Of 3 tracked investors who changed their MCK position last quarter, 1 bought and 2 sold (33% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime). 2 congressional purchases, 2 sales disclosed in the last 6 months.
- +1 tracked investor added or increased positions last quarter (Ray Dalio)
- +6 tracked investors reported holding MCK at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
- +2 congressional purchases disclosed in the last 6 months
- −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
- · 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 9/18/2026.
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 Ken Griffin (Citadel Advisors), valued at $525M. Across recent filings, tracked investors recorded 8 new positions, 6 increased, 9 reduced, and 5 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in MCK
How many top investors track MCK
Several tracked investors have exposure.
MCK Ownership Composition
How MCKESSON CORP is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant78.5%
- Macro16.8%
- Growth & Innovation4.7%
Tracked investors currently reporting MCK
1 tracked investor has since exited this position — listed separately below.
- Ken GriffinJun 30, 2026Citadel AdvisorsShares695.4KValue$525.5M% Portfolio0.06%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares148.2KValue$112M% Portfolio0.04%
- Steve MandelJun 30, 2026Lone Pine CapitalShares57.9KValue$43.7M% Portfolio0.27%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares70.4KValue$53.2M% Portfolio0.22%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares138.4KValue$104.6M% Portfolio0.15%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares130.2KValue$98.4M% Portfolio0.11%
Previously held MCK
These investors reported MCK in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| George Soros | Soros Fund Management | 15K | $10.1M | Mar 31, 2025 |
Recent activity
- New$339.4MMay 15, 2026
- Reduced$43.7M(-85.25%)Aug 14, 2026
- $155MMay 15, 2026
- Sold$0(-100.00%)Aug 14, 2026
- New$10.1MMay 15, 2025
- Sold$0(-100.00%)Aug 14, 2025
- New$261.3KNov 14, 2025
- Increased$295.2K(6.40%)Feb 17, 2026
- Increased$155.2M(1.99%)Feb 14, 2024
- Reduced$167.2M(-7.10%)May 14, 2024
- Reduced$150.3M(-17.40%)Aug 14, 2024
- Reduced$121.7M(-4.29%)Nov 13, 2024
- Increased$187.7M(33.76%)Feb 13, 2025
- Reduced$105.1M(-52.57%)May 14, 2025
- Reduced$108.3M(-5.40%)Aug 13, 2025
- Reduced$43.4K(-62.01%)Nov 13, 2025
- Increased$55.3K(20.08%)Feb 13, 2026
- Reduced$58.3M(-0.05%)May 15, 2026
- Increased$53.2M(4.42%)Aug 14, 2026
- Unchanged$1M(0.00%)Nov 14, 2024
- Increased$60.1M(4919.14%)Feb 14, 2025
- Sold$0(-100.00%)Jul 21, 2025
- New$5.7MAug 14, 2025
- Unchanged$6M(0.00%)Nov 14, 2025
- Sold$0(-100.00%)Feb 17, 2026
- Reduced$2.3M(-83.39%)Aug 14, 2024
- Sold$0(-100.00%)Nov 14, 2024
- New$142.9MNov 13, 2023
- New$1.2MSep 16, 2024
- $12.6MMay 15, 2024
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?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in MCK, valued at $525M.
- Did institutional ownership of MCK increase or decrease?
- Across recent 13F filings, tracked investors recorded 8 new positions, 6 increased, 9 reduced, and 5 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.