BlackRock’s Merck MRK Stock Holding History

BlackRock’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
2024 Q4	–	Sell	-923,000	Closed	-$105M	–	5432
2024 Q3	$105M	Buy	923,000 +272,000	+42%	+$32.3M	﹤0.01%	2057
2024 Q2	$80.6M	Buy	+651,000	New	+$83.9M	﹤0.01%	2153

Other funds holding MRK

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

Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return

BlackRock's MRK Position: Q2 2026 in Review

BlackRock increased its Merck (MRK) stake by 0.52% in Q2 2026, buying an estimated $137M and bringing the position to 226,999,837 shares worth $29.2B. The position accounts for 0.43% of the portfolio, ranked #32.

BlackRock first reported a position in MRK in Q2 2013 and has held it in 53 quarters since. 3,841 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

BlackRock held 226,999,837 shares of Merck worth $29.2B as of Q2 2026.
BlackRock bought 1,169,507 Merck shares in Q2 2026, an estimated $137M.
Merck made up 0.43% of BlackRock's portfolio in Q2 2026, its #32 holding.
BlackRock first reported a position in Merck in Q2 2013 and has held it in 53 quarters since.
3,841 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.