How many institutional investors hold MCK?

5 tracked institutional investors disclosed a position in MCK (MCKESSON CORP) in their most recent 13F filing.

Who is the largest institutional holder of MCK?

Steve Mandel, Lone Pine Capital, holds the largest disclosed position in MCK, valued at $339M.

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.

MCK — MCKESSON CORP

Name: MCKESSON CORP (MCK) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

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

About MCKESSON CORP (MCK)

MCKESSON CORP (MCK) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Steve Mandel (Lone Pine Capital), valued at $339M. Across recent filings, tracked investors recorded 3 new positions, 2 increased, 1 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in MCK

/100

Institutional Accumulation

Added / Increased5

Reduced1

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track MCK

/100

Emerging Interest

5investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

MCK Ownership Composition

How MCKESSON CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

95% of tracked value

Institutions

tracked investors

Total Reported

$831.3M

combined 13F value

Other95.4%
Hedge Funds4.6%

Other(4)

95.4%

Hedge Funds(1)

4.6%

Tracked investors reporting MCK

Investor	Firm	Shares	Market value	% of portfolio	As of
Steve Mandel	Lone Pine Capital	392.2K	$339.4M	2.71%	Mar 31, 2026
Ken Griffin	Citadel Advisors	277.4K	$240.1M	0.04%	Mar 31, 2026
Izzy Englander	Millennium Management	179.1K	$155M	0.06%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	44.5K	$38.5M	0.05%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	67.4K	$58.3M	0.26%	Mar 31, 2026

Steve MandelMar 31, 2026
Lone Pine Capital
Shares
392.2K
Value
$339.4M
% Portfolio
2.71%
Ken GriffinMar 31, 2026
Citadel Advisors
Shares
277.4K
Value
$240.1M
% Portfolio
0.04%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
179.1K
Value
$155M
% Portfolio
0.06%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
44.5K
Value
$38.5M
% Portfolio
0.05%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
67.4K
Value
$58.3M
% Portfolio
0.26%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	New	—	$155M	May 15, 2026
Ken Griffin	Sold	-100.00%	$0	May 15, 2026
Steve Mandel	New	—	$339.4M	May 15, 2026
Ray Dalio	Reduced	-0.05%	$58.3M	May 15, 2026
Ken Griffin	Increased	6.40%	$295.2K	Feb 17, 2026
Ray Dalio	Increased	20.08%	$55.3K	Feb 13, 2026
Ray Dalio	New	—	$43.4K	Nov 13, 2025

Izzy Englander
New
$155MMay 15, 2026
Ken Griffin
Sold
$0(-100.00%)May 15, 2026
Steve Mandel
New
$339.4MMay 15, 2026
Ray Dalio
Reduced
$58.3M(-0.05%)May 15, 2026
Ken Griffin
Increased
$295.2K(6.40%)Feb 17, 2026
Ray Dalio
Increased
$55.3K(20.08%)Feb 13, 2026
Ray Dalio
New
$43.4KNov 13, 2025

Frequently asked questions

How many institutional investors hold MCK?: 5 tracked institutional investors disclosed a position in MCK (MCKESSON CORP) in their most recent 13F filing.
Who is the largest institutional holder of MCK?: Steve Mandel, Lone Pine Capital, holds the largest disclosed position in MCK, valued at $339M.
Did institutional ownership of MCK increase or decrease?: Across recent 13F filings, tracked investors recorded 3 new positions, 2 increased, 1 reduced, and 1 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.