McKesson Corporation (MCK) ownership: insiders 0% · institutions 94% (13F 2026-03-31). Insider activity, 90 days: 5 sales, 0 open-market buys. 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Vanguard | 12123718.00 | $10.49B | 10.4% | 2026-03-31 |
| BlackRock | 11430884.00 | $9.89B | 9.8% | 2026-03-31 |
| State Street | 5731756.00 | $4.96B | 4.9% | 2026-03-31 |
| FMR (Fidelity) | 3603423.00 | $3.12B | 3.1% | 2026-03-31 |
| JPMorgan | 3268340.00 | $2.81B | 2.8% | 2026-03-31 |
| Franklin Resources | 3063145.00 | $2.65B | 2.6% | 2026-03-31 |
| MFS Investment Management | 2900233.00 | $2.53B | 2.5% | 2026-03-31 |
| Geode Capital Management | 2903848.00 | $2.50B | 2.5% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 | |
| Sell | null | 2026-07-22 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.