Ticker · CUSIP 58155Q103

MCK

MCKESSON CORP

Healthcare·Medical Distribution

···Share

Holders (tracked)

Combined shares

5,189,853

Combined value

$4.26B

Last close

$866.38

Quarter

2025Q4

Price is +5.6% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$866.38+172.04 (+24.78%)H $995.69 · L $657.06 · Avg Vol 778K

Congress buyCongress sell

Tracked holders · last 8 quarters

+6 vs previous quarter over the last 8.

SEC event timeline

30 events

Ron Baron (Baron Capital / BAMCO) trimmed2026-02-17
−300 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+27,735 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−27,689 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+89,747 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+248 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+107,718 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−35,179 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−403,053 shares · 2025Q4
Position
Jeremy Grantham (GMO) opened position2026-02-17
+1,714 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+2,200 shares · 2025Q4
Position
Larry Robbins (Glenview Capital) trimmed2026-02-17
−13,475 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+15,880 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) added2026-02-13
+11,274 shares · 2025Q4
Position
Sands Capital Management added2026-02-13
+17,122 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−61,140 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+2,012,870 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
−320 shares · 2025Q4
Position
AQR Capital Management trimmed2025-11-14
−26,661 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−283,480 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+29,833 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−27,247 shares · 2025Q3
Position
Wellington Management added2025-11-14
+153,182 shares · 2025Q3
Position
Larry Robbins (Glenview Capital) added2025-11-14
+30,885 shares · 2025Q3
Position
Ron Baron (Baron Capital / BAMCO) trimmed2025-11-14
−1,200 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+103,692 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−75,700 shares · 2025Q3
Position
Sands Capital Management added2025-11-13
+11,279 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−1,837,742 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) trimmed2025-11-13
−91,630 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−137,386 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for MCK →

Follow-the-investor returns

If you'd copied each holder of MCK…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Jeremy Grantham (GMO)	2018Q1	$184.86	+368.7%	$1.5M
T. Rowe Price	2016Q1	$352.51	+145.8%	$725.5M
Ron Baron (Baron Capital / BAMCO)	2021Q4	$409.49	+111.6%	$4.3M
Ray Dalio (Bridgewater Associates)	2016Q1	$427.78	+102.5%	$58.4M
AQR Capital Management	2016Q1	$447.79	+93.5%	$796.0M
Larry Robbins (Glenview Capital)	2016Q1	$532.91	+62.6%	$37.2M
Ken Fisher (Fisher Asset Mgmt)	2022Q1	$575.28	+50.6%	$1.2M
Two Sigma Investments	2016Q1	$626.44	+38.3%	$5.4M
Wellington Management	2016Q1	$696.99	+24.3%	$187.1M
Sands Capital Management	2025Q1	$712.47	+21.6%	$151.0M
Renaissance Technologies	2016Q2	$732.00	+18.4%	$53.1M
Ken Griffin (Citadel Advisors)	2016Q1	$764.71	+13.3%	$54.7M
Ken Griffin (Citadel Advisors)	2016Q1	$764.71	+13.3%	$54.7M
Ken Griffin (Citadel Advisors)	2016Q1	$764.71	+13.3%	$54.7M
Paul Tudor Jones (Tudor Investment)	2016Q1	$791.01	+9.5%	$1.5M
Paul Tudor Jones (Tudor Investment)	2016Q1	$791.01	+9.5%	$1.5M
D.E. Shaw & Co.	2016Q1	$796.24	+8.8%	$4.9M
D.E. Shaw & Co.	2016Q1	$796.24	+8.8%	$4.9M
D.E. Shaw & Co.	2016Q1	$796.24	+8.8%	$4.9M
Steve Cohen (Point72)	2016Q1	$815.98	+6.2%	$22.5M
Steve Cohen (Point72)	2016Q1	$815.98	+6.2%	$22.5M
Steve Cohen (Point72)	2016Q1	$815.98	+6.2%	$22.5M
Izzy Englander (Millennium Mgmt)	2016Q1	$820.06	+5.6%	$187.3M
Izzy Englander (Millennium Mgmt)	2016Q1	$820.06	+5.6%	$187.3M
Izzy Englander (Millennium Mgmt)	2016Q1	$820.06	+5.6%	$187.3M
Norges Bank (Norway SWF)	2016Q1	$8091.44	-89.3%	$1.74B

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Norges Bank (Norway SWF)
+2,012,870
$1.65B
Steve Cohen (Point72)
+15,880
$13.0M
Paul Tudor Jones (Tudor Investment)
+2,200
$1.8M
Jeremy Grantham (GMO)
+1,714
$1.4M

Added to6

Izzy Englander (Millennium Mgmt)
+107,718
$88.4M
AQR Capital Management
+89,747
$73.6M
Ken Griffin (Citadel Advisors)
+27,735
$22.8M
Sands Capital Management
+17,122
$14.0M
Ray Dalio (Bridgewater Associates)
+11,274
$9.2M
Two Sigma Investments
+248
$203K

Trimmed7

Wellington Management
−403,053
$330.6M
Renaissance Technologies
−61,140
$50.2M
D.E. Shaw & Co.
−27,689
$22.7M
Larry Robbins (Glenview Capital)
−13,475
$11.1M
Ken Fisher (Fisher Asset Mgmt)
−320
$263K
Ron Baron (Baron Capital / BAMCO)
−300
$246K
T. Rowe Price
−35,179
$29K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	23	21,429,367	$502.93B	—
2022Q2	26	23,015,285	$509.14B	+3
2022Q3	23	24,276,215	$8.25B	-3
2022Q4	26	24,272,258	$9.10B	+3
2023Q1	24	26,101,361	$9.29B	-2
2023Q2	26	22,547,409	$9.63B	+2
2023Q3	25	21,743,964	$9.46B	-1
2023Q4	23	21,547,874	$9.97B	-2
2024Q1	26	20,443,286	$10.97B	+3
2024Q2	23	19,146,315	$11.18B	-3
2024Q3	21	5,933,536	$2.93B	-2
2024Q4	22	6,449,946	$3.68B	+1
2025Q1	20	4,077,345	$2.74B	-2
2025Q2	22	5,321,973	$3.89B	+2
2025Q3	20	3,448,701	$2.65B	-2
2025Q4	26	5,189,853	$4.26B	+6

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-12-19	Gilbert Cisneros	Sell	$1K – $15K	PDF ↗
2025-12-02	Jared Moskowitz	Buy	$1K – $15K	PDF ↗
2025-12-02	Jared Moskowitz	Buy	$1K – $15K	PDF ↗
2025-11-18	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗
2025-10-10	Jared Moskowitz	Buy	$1K – $15K	PDF ↗
2025-10-08	Jonathan Jackson	Sell	$1K – $15K	PDF ↗
2025-09-23	Valerie Hoyle	Sell	$1K – $15K	PDF ↗
2025-09-10	Valerie Hoyle	Buy	$1K – $15K	PDF ↗
2025-08-05	Gilbert Cisneros	Sell	$1K – $15K	PDF ↗
2025-07-11	Ritchie John Torres	Sell	$1K – $15K	PDF ↗
2025-04-29	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗
2025-04-23	Jonathan Jackson	Buy	$1K – $15K	PDF ↗

Who owns MCK

26 super-investors · 2025Q4

Tracked stake

5.19M

Combined value

$4.26B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New7Added10Trim9

#	Manager	Shares	Value	% of book	Last action
1	Norges Bank Norway SWF	2.01M	$1.65B	0.2%	New+2.01M
2	AQR Capital Management	918.8K	$754M	0.4%	Added+89.7K
3	T. Rowe Price	837.4K	$687M	0.1%	Trim−35.2K
4	Izzy Englander Millennium Mgmt	216.2K	$177M	0.1%	Added+107.7K
5	Wellington Management	215.9K	$177M	0.0%	Trim−403.1K
6	Sands Capital Management	174.3K	$143M	0.4%	Added+17.1K
7	Ken Griffin Citadel Advisors	173.7K	$142M	0.0%	Added+27.7K
8	Ken Griffin Citadel Advisors	123.0K	$101M	0.0%	Added+27.7K
9	D.E. Shaw & Co.	102.6K	$84M	0.0%	Trim−27.7K
10	Ray Dalio Bridgewater Associates	67.4K	$55M	0.2%	Added+11.3K
11	Ken Griffin Citadel Advisors	63.1K	$52M	0.0%	Added+27.7K
12	Renaissance Technologies	61.3K	$50M	0.1%	Trim−61.1K
13	D.E. Shaw & Co.	46.1K	$38M	0.0%	Trim−27.7K
14	Larry Robbins Glenview Capital	43.0K	$35M	0.7%	Trim−13.5K
15	Steve Cohen Point72	35.4K	$29M	0.0%	New+15.9K
16	Steve Cohen Point72	26.0K	$21M	0.0%	New+15.9K
17	Izzy Englander Millennium Mgmt	25.8K	$21M	0.0%	Added+107.7K
18	Steve Cohen Point72	15.9K	$13M	0.0%	New+15.9K
19	Izzy Englander Millennium Mgmt	8.9K	$7M	0.0%	Added+107.7K
20	Two Sigma Investments	6.2K	$5M	0.0%	Added+248
21	D.E. Shaw & Co.	5.7K	$5M	0.0%	Trim−27.7K
22	Ron Baron Baron Capital / BAMCO	5.0K	$4M	0.0%	Trim−300
23	Jeremy Grantham GMO	1.7K	$1M	0.0%	New+1.7K
24	Paul Tudor Jones Tudor Investment	1.7K	$1M	0.0%	New+2.2K
25	Ken Fisher Fisher Asset Mgmt	1.4K	$1M	0.0%	Trim−320
26	Paul Tudor Jones Tudor Investment	500	$410K	0.0%	New+2.2K

Recent moves

20 transactions

TRIMRon Baron (Baron Capital / BAMCO)
−300 · 2025Q4
ADDAQR Capital Management
+89,747 · 2025Q4
NEWJeremy Grantham (GMO)
+1,714 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+2,200 · 2025Q4
TRIMD.E. Shaw & Co.
−27,689 · 2025Q4
TRIMT. Rowe Price
−35,179 · 2025Q4
TRIMWellington Management
−403,053 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+27,735 · 2025Q4
ADDTwo Sigma Investments
+248 · 2025Q4
TRIMLarry Robbins (Glenview Capital)
−13,475 · 2025Q4
NEWSteve Cohen (Point72)
+15,880 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+107,718 · 2025Q4
ADDSands Capital Management
+17,122 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+11,274 · 2025Q4
TRIMRenaissance Technologies
−61,140 · 2025Q4
NEWNorges Bank (Norway SWF)
+2,012,870 · 2025Q4
TRIMKen Fisher (Fisher Asset Mgmt)
−320 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+103,692 · 2025Q3
TRIMTwo Sigma Investments
−283,480 · 2025Q3
ADDD.E. Shaw & Co.
+29,833 · 2025Q3

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