Thomas Steyer’s Merck MRK Stock Holding History

Thomas Steyer’s Portfolio MRK Stock Details MRK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$25.6M	Sell	199,000 -162,000	-45%	-$19M	0.12%	47
2026 Q1	$43.4M	Buy	+361,000	New	+$41.7M	0.23%	46

Other funds holding MRK

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

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 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

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

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

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Thomas Steyer's MRK Position: Q2 2026 in Review

Thomas Steyer reduced its Merck (MRK) stake by 45% in Q2 2026, selling an estimated $19M and leaving 199,000 shares worth $25.6M. The position accounts for 0.12% of the portfolio, ranked #47.

Thomas Steyer first reported a position in MRK in Q1 2026 and has held it in 2 quarters since. The position peaked at $43.4M in Q1 2026. 3,820 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

Thomas Steyer held 199,000 shares of Merck worth $25.6M as of Q2 2026.
Thomas Steyer sold 162,000 Merck shares in Q2 2026, an estimated $19M.
Merck made up 0.12% of Thomas Steyer's portfolio in Q2 2026, its #47 holding.
Thomas Steyer first reported a position in Merck in Q1 2026 and has held it in 2 quarters since.
Thomas Steyer's Merck position peaked at $43.4M in Q1 2026.
3,820 funds tracked by Wall St. Rank held Merck as of Q2 2026.

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