MCK
MCKESSON CORPData as of 2026 Q1 (03-31) · 13F snapshot
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Stephen Mandel | $339.41M | 2.7% | New large stake |
| Seth Klarman | $248.59M | 2.7% | Hold |
| Michael BurryCALL | $130.50M | — | — |
| Ken GriffinCALL | $99.08M | — | — |
| Andreas Halvorsen | $83.03M | 0.3% | Trim |
| Izzy EnglanderPUT | $80.22M | — | — |
| Dan Loeb | $76.39M | 1.2% | New large stake |
| Ken GriffinPUT | $75.89M | — | — |
| Ray Dalio | $58.31M | 0.3% | Hold |
| Izzy EnglanderCALL | $25.10M | — | — |
| Steven CohenCALL | $20.08M | — | — |
| Steven CohenPUT | $18.43M | — | — |
| Michael Burry | $4.42M | 4.3% | New large stake |
Insider Trading
Officers · directors · Form 4Deborah Dunsire
Director
Buy277 @ $0.00Traded 2026-07-22Filed 2026-07-23Bradley E Lerman
Director
Buy277 @ $0.00Traded 2026-07-22Filed 2026-07-23Julie L. Gerberding
Director
Buy277 @ $0.00Traded 2026-07-22Filed 2026-07-23Dominic J Caruso
Director
Buy$225.5K277 @ $814.04Traded 2026-07-22Filed 2026-07-23Lynne M Doughtie
Director
Buy277 @ $0.00Traded 2026-07-22Filed 2026-07-23James H. Hinton
Director
Buy277 @ $0.00Traded 2026-07-22Filed 2026-07-23Kathleen Wilson-Thompson
Director
Buy$225.5K277 @ $814.04Traded 2026-07-22Filed 2026-07-23Webster Roy Dunbar
Director
Buy277 @ $0.00Traded 2026-07-22Filed 2026-07-23Kevin M Ozan
Director
Buy277 @ $0.00Traded 2026-07-22Filed 2026-07-23Maria Martinez
Director
Buy$225.5K277 @ $814.04Traded 2026-07-22Filed 2026-07-23Brian S. Tyler
Chief Executive Officer
Sell$6.72M8,463 @ $793.56Traded 2026-07-07Filed 2026-07-08Brian S. Tyler
Chief Executive Officer
Sell$6.56M8,463 @ $775.13Traded 2026-06-17Filed 2026-06-18Brian S. Tyler
Chief Executive Officer
Sell$3.76M4,929 @ $763.00Traded 2026-06-09Filed 2026-06-11Napoleon B Rutledge JR
SVP, Controller & CAO
Sell$101.6K133 @ $764.00Traded 2026-06-05Filed 2026-06-08Thomas L Rodgers
EVP, Chief Strategy & BDO
Sell$514.0K699 @ $735.27Traded 2026-06-01Filed 2026-06-03Thomas L Rodgers
EVP, Chief Strategy & BDO
Sell$90.5K123 @ $735.50Traded 2026-06-01Filed 2026-06-03Leann B Smith
EVP & Chief HR Officer
Sell$1.33M1,810 @ $735.50Traded 2026-06-01Filed 2026-06-02Kenny K Cheung
EVP & CFO
Buy3,019 @ $0.00Traded 2026-05-29Filed 2026-06-01Kenny K Cheung
EVP & CFO
Buy8,082 @ $0.00Traded 2026-05-29Filed 2026-06-01Michele Lau
EVP and Chief Legal Officer
Sell$2.70M3,550 @ $761.09Traded 2026-05-26Filed 2026-05-27Thomas L Rodgers
EVP, Chief Strategy & BDO
Sell$1.82M2,388 @ $761.09Traded 2026-05-23Filed 2026-05-27Leann B Smith
EVP & Chief HR Officer
Sell$205.3K268 @ $766.08Traded 2026-05-23Filed 2026-05-27Leann B Smith
EVP & Chief HR Officer
Buy679 @ $0.00Traded 2026-05-23Filed 2026-05-27Britt J. Vitalone
EVP & CFO
Sell$445.1K581 @ $766.08Traded 2026-05-23Filed 2026-05-27
Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.