OP Asset Management’s Merck MRK Stock Holding History

OP Asset Management’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	$35.8M	Buy	278,454 +21,661	+8%	+$2.54M	0.38%	43
2026 Q1	$30.9M	Sell	256,793 -20,775	-7%	-$2.4M	0.27%	51
2025 Q4	$29.2M	Buy	277,568 +3,049	+1%	+$286K	0.36%	47
2025 Q3	$23M	Buy	274,519 +4,650	+2%	+$383K	0.3%	52
2025 Q2	$21.4M	Buy	269,869 +2,295	+0.9%	+$182K	0.31%	50
2025 Q1	$24M	Buy	+267,574	New	+$25M	0.4%	36

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 $3.38T AUM 44.17% 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

OP Asset Management's MRK Position: Q2 2026 in Review

OP Asset Management increased its Merck (MRK) stake by 8.4% in Q2 2026, buying an estimated $2.54M and bringing the position to 278,454 shares worth $35.8M. The position accounts for 0.38% of the portfolio, ranked #43.

OP Asset Management first reported a position in MRK in Q1 2025 and has held it in 6 quarters since. 3,852 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

OP Asset Management held 278,454 shares of Merck worth $35.8M as of Q2 2026.
OP Asset Management bought 21,661 Merck shares in Q2 2026, an estimated $2.54M.
Merck made up 0.38% of OP Asset Management's portfolio in Q2 2026, its #43 holding.
OP Asset Management first reported a position in Merck in Q1 2025 and has held it in 6 quarters since.
3,852 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on OP Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.