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McKesson MCK

US equityMarket cap rank #155Medical Distribution
$877.59
−$2.91 (-0.33%)
Market open · Sep 24, 2:00 pm ET
After hours $880.50 0.00%
Open$888.91
Prev close$880.50
Day range$877.06 – $896.60
Volume252.9K
Market cap$102.32B
P/E (TTM)23.4
Dividend yield0.37%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership91.9%-0.55 pts vs. prior quarter
Institutions holding2,339-6 vs. prior quarter
Insider trades (recent)10 buys / 8 sellsNet buying
Short interest2.43% of floatDays to cover 3.0 · as of 31 Aug 2026
Short-sale volume share20.4%5-day average of daily volume

Short-sale volume as % of daily volume

5%20%35%50%Aug '26Sep '26Sep '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$177.79M (1 inflow days, 19 outflow days).

Largest holders

  • BlackRock9.26%
  • Vanguard Capital Management, LLC7.33%
  • State Street Global Advisors4.91%
  • Morgan Stanley3.20%
  • Vanguard Portfolio Management, LLC2.46%

By investor type

  • Mutual Fund73.53%
  • Public Company6.63%
  • Hedge Fund3.88%
  • Government Pension Fund2.73%
  • Private Company2.35%
  • Sovereign Wealth Fund1.37%
  • Family Office/Trust0.58%
  • Insurance Company0.35%
Institutional holders2,339
Institutional ownership91.9%

Insider activity

Total transactions20
Bought10
Sold8

Short interest

Report dateShares short% of floatDays to cover
31 Aug 2026 2,835,101 2.4% 3.0
14 Aug 2026 2,419,484 2.1% 2.2
31 Jul 2026 3,613,111 3.1% 3.8
15 Jul 2026 3,878,060 3.3% 4.1
30 Jun 2026 4,117,777 3.5% 2.8
15 Jun 2026 4,450,184 3.8% 5.4
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