$MCK

$992.87 -$7.90 (0.79%) Close

$MCK Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 116.6M shares outstanding

Who owns MCK?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 94.9%

BlackRock, Inc. 21.1% · Dodge & Cox 8.2%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

2,084

-48 vs last qtr

Net shares bought

+4.4M

by institutions in Q2 2026

New / sold out

170 / 218

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +7.0M
Morgan Stanley +3.2M

Biggest sellers in Q2 2026

Dodge & Cox −4.8M
FMR LLC −1.9M

Who is planning to sell?

Notices of proposed sale, last 12 months

$35M

16 notices from 8 people

Shares covered

43.3K

0.04% of the company

Arranged in advance

98%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Tyler Brian S. Officer 10b5-1 $17M
Vitalone Britt J. Former officer 10b5-1 $6.68M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

−44.3%

−6.30% a year

Each share's claim on the business

+79.7%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$26.4B vs $184M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years82% 3–5 years4% 1–3 years9% Under 1 year6%

Quarterly turnover

11.1%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MCK on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	24.6M	21.06%	+453.1K (+1.9%)	≤2021	0.2%
Shares held by quarter Peak holding24.6M (Q2'26) Change over 8 quarters+2.5M Share of the company21.060% BlackRock, Inc.'s full portfolio →
DC Dodge & Cox	9.5M	8.15%	−4.8M (−33.4%)	2024	0.6%
Shares held by quarter Peak holding14.5M (Q4'25) Change over 8 quarters+3.5M Share of the company8.150% Dodge & Cox's full portfolio →

BlackRock, Inc.

24.6M

% of company

21.06%

Change vs last qtr

+453.1K (+1.9%)

Held since

≤2021

Dodge & Cox

9.5M

% of company

8.15%

Change vs last qtr

−4.8M (−33.4%)

Held since

2024

28 more super investors behind a free account

See every manager holding McKesson Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MCK on Form N-PORT; together they hold 78.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$3.35B	7.7M	6.63%	0.15%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$2.35B	3.1M	2.67%	0.14%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$3.35B

% of company

6.63%

% of the fund

0.15%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$2.35B

% of company

2.67%

% of the fund

0.14%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding McKesson Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
VB Vitalone Britt J. Insider	23.5K	0.02%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.020% Vitalone Britt J.'s insider activity →
SR Srinivasan Ramesh (NMN) Insider	12.0K	0.01%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.010% Srinivasan Ramesh (NMN)'s insider activity →

Vitalone Britt J.

Insider

23.5K

% of company

0.02%

Change vs last qtr

—

Held since

—

Srinivasan Ramesh (NMN)

Insider

12.0K

% of company

0.01%

Change vs last qtr

—

Held since

—

9 more holders behind a free account

See every insider and 5%+ holder of McKesson Corp.

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