McKesson Corporation (MCK) Ownership
MCK ownership summary
as of October 18, 2026- Institutions
- 93.7% of shares outstanding
- Insiders
- 0.06% of shares outstanding
- Shares outstanding
- 116.6M
- Float
- 116.4M shares available to trade
- Short interest
- 1.96% 2.3M shares short
- Days to cover
- 2.59 short interest down 19.3% vs prior month
- Institutions 93.72%
- Insiders 0.06%
- Other investors 6.23%
MCK top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 9.26% | 10.8M | $10.85B | −623,330 (−5.5%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 6.74% | 7.9M | $7.89B | −107,587 (−1.4%) | June 30, 2026 |
| 3 | State Street Corp | 4.91% | 5.7M | $5.75B | −4,638 (−0.1%) | June 30, 2026 |
| 4 | Morgan Stanley - Brokerage Accounts | 4.55% | 5.3M | $5.33B | +3.0M (+130.7%) | June 30, 2026 |
| 5 | Franklin Templeton Inc | 2.49% | 2.9M | $2.92B | −158,031 (−5.2%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 2.46% | 2.9M | $2.89B | −9,851 (−0.3%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 2.42% | 2.8M | $2.84B | −81,693 (−2.8%) | June 30, 2026 |
| 8 | Massachusetts Financial Services Company | 2.10% | 2.4M | $2.46B | −453,847 (−15.6%) | June 30, 2026 |
| 9 | FMR Inc | 1.83% | 2.1M | $2.14B | −1.5M (−40.9%) | June 30, 2026 |
| 10 | JPMorgan Chase & Co | 1.50% | 1.7M | $1.76B | −1.5M (−46.5%) | June 30, 2026 |
| 11 | AllianceBernstein L.P. | 1.45% | 1.7M | $1.70B | −553,704 (−24.7%) | June 30, 2026 |
| 12 | Arrowstreet Capital Limited Partnership | 1.33% | 1.6M | $1.56B | +239,786 (+18.3%) | June 30, 2026 |
| 13 | DZ BANK AG Deutsche Zentral-Genossenschaftsbank Frankfurt am Main | 1.32% | 1.5M | $1.55B | +491,826 (+47.0%) | June 30, 2026 |
| 14 | NORGES BANK | 1.31% | 1.5M | $1.54B | −483,814 (−24.0%) | June 30, 2026 |
| 15 | Northern Trust Corp | 1.24% | 1.4M | $1.45B | −19,841 (−1.4%) | June 30, 2026 |
| 16 | Bank of America Corp | 1.13% | 1.3M | $1.33B | −216,735 (−14.1%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 1.13% | 1.3M | $1.33B | +16,048 (+1.2%) | June 30, 2026 |
| 18 | Royal Bank of Canada | 1.10% | 1.3M | $1.29B | +985 (+0.1%) | June 30, 2026 |
| 19 | Boston Partners Global Investors, Inc | 1.00% | 1.2M | $1.18B | +14,627 (+1.3%) | June 30, 2026 |
| 20 | Nordea Investment Mgmt Bank Demark A/s | 0.86% | 1.0M | $1.01B | +16,452 (+1.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 7 holders added 3.8M shares and 13 cut 5.7M.
MCK top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.28% | 3.8M | $3.84B | −8,228 (−0.2%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.74% | 3.2M | $3.21B | +37,856 (+1.2%) | August 31, 2026 |
| 3 | Fidelity 500 Index | 1.34% | 1.6M | $1.57B | +5,993 (+0.4%) | August 31, 2026 |
| 4 | iShares Core S&P 500 ETF | 1.33% | 1.6M | $1.56B | −2,516 (−0.2%) | September 30, 2026 |
| 5 | State Street® SPDR® S&P 500® ETF | 1.23% | 1.4M | $1.44B | — | September 30, 2026 |
| 6 | Vanguard MStar Value Index Investor | 0.99% | 1.1M | $1.15B | +4,352 (+0.4%) | August 31, 2026 |
| 7 | Putnam Large Cap Value A | 0.98% | 1.1M | $1.14B | — | August 31, 2026 |
| 8 | MFS Value A | 0.78% | 909K | $913.6M | −463,196 (−33.8%) | August 31, 2026 |
| 9 | State Street®HlthCrSelSectSPDR®ETF | 0.71% | 827K | $830.8M | +2,576 (+0.3%) | September 30, 2026 |
| 10 | Vanguard Dividend Appreciation ETF | 0.58% | 680K | $683.7M | +332 (+0.0%) | August 31, 2026 |
| 11 | Vanguard Institutional Index I | 0.55% | 643K | $645.7M | −6,065 (−0.9%) | August 31, 2026 |
| 12 | Fidelity Magellan | 0.51% | 590K | $592.6M | −6,600 (−1.1%) | August 31, 2026 |
| 13 | Putnam Focused Large Cap Value ETF | 0.47% | 549K | $551.3M | +187,590 (+52.0%) | August 31, 2026 |
| 14 | AllianceBernstein US L/C Growth Eqty MF | 0.45% | 525K | $527.6M | −5,170 (−1.0%) | June 30, 2026 |
| 15 | UniGlobal Vorsorge | 0.40% | 472K | $474.0M | −14,884 (−3.1%) | August 31, 2026 |
| 16 | iShares Russell 1000 Growth ETF | 0.35% | 412K | $414.1M | −280 (−0.1%) | September 30, 2026 |
| 17 | iShares MSCI USA Min Vol Factor ETF | 0.31% | 362K | $364.0M | — | September 30, 2026 |
| 18 | Vanguard Health Care ETF | 0.31% | 357K | $359.0M | −14,856 (−4.0%) | August 31, 2026 |
| 19 | Swedbank Robur Globalfond A | 0.28% | 326K | $327.3M | −60,000 (−15.6%) | August 31, 2026 |
| 20 | JHancock Disciplined Value I | 0.27% | 314K | $315.2M | −4,641 (−1.5%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MCK insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-23 | Ro Khanna | Sell | $878.61 | — | — |
| 2026-03-02 | Michele Lau | Sell | $990.00 | 2,725 | $2.7M |
| 2026-02-24 | Ro Khanna | Buy | $957.77 | — | — |
| 2026-02-19 | Maria Martinez | Sell | $939.87 | 349 | $328,015 |
| 2026-02-17 | Leann B Smith | Sell | $945.00 | 190 | $179,550 |
| 2026-02-06 | Napoleon B Rutledge Jr | Sell | $955.00 | 328 | $313,240 |
| 2026-02-04 | Markwayne Mullin | Buy | $819.58 | — | — |
| 2026-01-05 | Thomas L Rodgers | Sell | $816.18 | 276 | $225,266 |
| 2026-01-05 | Markwayne Mullin | Buy | $823.96 | — | — |
| 2025-12-19 | Gilbert Ray Cisneros, Jr. | Sell | $819.92 | — | — |
| 2025-12-02 | Jared Moskowitz | Buy | $829.44 | — | — |
| 2025-11-18 | Gilbert Ray Cisneros, Jr. | Buy | $861.33 | — | — |
| 2025-11-07 | Napoleon B Rutledge Jr | Sell | $861.63 | 329 | $283,476 |
| 2025-11-03 | Ro Khanna | Buy | $820.42 | — | — |
| 2025-10-08 | Jonathan L. Jackson | Sell | $755.32 | — | — |
| 2025-09-29 | Ro Khanna | Sell | $762.22 | — | — |
| 2025-09-23 | Val T. Hoyle | Sell | $739.48 | — | — |
| 2025-09-10 | Val T. Hoyle | Buy | $705.88 | — | — |
| 2025-08-22 | Brian S Tyler | Sell | $705.63 | 11,930 | $8.4M |
| 2025-08-15 | Brian S Tyler | Sell | $677.76 | 11,930 | $8.1M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MCK shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MCK
Institutional investors own 93.7% of McKesson's shares and insiders 0.06%. The largest holder is BlackRock Inc with 9.26% of the shares (10.8M), as of June 30, 2026. Among the top 20 institutions, 7 added shares and 13 reduced their stake in the latest filings. Short interest is 1.96% of the float, or 2.59 days of average trading volume. The share count fell 47.6% since 2014.
Related: MCK analyst forecast, MCK key metrics, MCK dividend history. See the MCK stock overview for the latest quote and news.
MCK ownership FAQ
Who owns the most McKesson stock?
The largest shareholders of McKesson are BlackRock Inc (9.26%), Vanguard Capital Management, LLC (6.74%), State Street Corp (4.91%), Morgan Stanley - Brokerage Accounts (4.55%), Franklin Templeton Inc (2.49%).
What percentage of McKesson is owned by institutions?
Institutions hold 93.7% of McKesson's shares outstanding; insiders hold 0.06%.
Which funds own McKesson?
The largest fund holders of McKesson are Vanguard MStar Total Stk Mkt Idx Invest (3.28%), Vanguard 500 Index Investor (2.74%), Fidelity 500 Index (1.34%), iShares Core S&P 500 ETF (1.33%), State Street® SPDR® S&P 500® ETF (1.23%).
What is McKesson's short interest?
2.3M shares of McKesson were sold short, 1.96% of the float; at the average daily volume it would take 2.59 days to cover.
Are insiders buying or selling McKesson?
Of the latest 20 reported insider transactions in McKesson (since August 15, 2025), 7 were purchases and 13 were sales.
How many shares of McKesson are outstanding?
McKesson has 116.6M shares outstanding, of which 116.4M are in the public float.