Aaron Cowen’s McKesson MCK Stock Holding History

Aaron Cowen’s Portfolio MCK Stock Details MCK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q3	–	Sell	-160,000	Closed	-$29.9M	–	39
2016 Q2	$29.9M	Buy	+160,000	New	+$28.1M	1.14%	20

Other funds holding MCK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Aaron Cowen's MCK Position: Q2 2026 in Review

Aaron Cowen held its McKesson (MCK) position steady in Q2 2026 at 1,830 shares worth $1.38M. The position accounts for 0.03% of the portfolio, ranked #82.

Aaron Cowen first reported a position in MCK in Q2 2016 and has held it in 21 quarters since. The position peaked at $132M in Q1 2020. 1,999 funds tracked by Wall St. Rank hold MCK as of Q2 2026.

Aaron Cowen held 1,830 shares of McKesson worth $1.38M as of Q2 2026.
Aaron Cowen left its McKesson share count unchanged in Q2 2026.
McKesson made up 0.03% of Aaron Cowen's portfolio in Q2 2026, its #82 holding.
Aaron Cowen first reported a position in McKesson in Q2 2016 and has held it in 21 quarters since.
Aaron Cowen's McKesson position peaked at $132M in Q1 2020.
1,999 funds tracked by Wall St. Rank held McKesson as of Q2 2026.

Based on Suvretta Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.