ABC Arbitrage’s Merck MRK Stock Holding History

ABC Arbitrage’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
2025 Q4	–	Sell	-11,779	Closed	-$989K	–	382
2025 Q3	$989K	Buy	+11,779	New	+$970K	0.1%	134
2025 Q2	–	Sell	-17,806	Closed	-$1.6M	–	244
2025 Q1	$1.6M	Buy	+17,806	New	+$1.66M	0.3%	75

Other funds holding MRK

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

Norges Bank Oslo, Norway $1T AUM

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

ABC Arbitrage's MRK Position: Q4 2025 in Review

ABC Arbitrage sold out of Merck (MRK) in Q4 2025, closing a stake of 11,779 shares — an estimated $989K sold.

ABC Arbitrage first reported a position in MRK in Q1 2025 and held it in 2 quarters. The position peaked at $1.6M in Q1 2025. 3,660 funds tracked by Wall St. Rank hold MRK as of Q4 2025.

ABC Arbitrage reported no remaining Merck position as of Q4 2025 after selling out during the quarter.
ABC Arbitrage sold 11,779 Merck shares in Q4 2025, an estimated $989K.
ABC Arbitrage first reported a position in Merck in Q1 2025 and held it in 2 quarters.
ABC Arbitrage's Merck position peaked at $1.6M in Q1 2025.
3,660 funds tracked by Wall St. Rank held Merck as of Q4 2025.

Based on ABC Arbitrage's 13F filing for Q4 2025, filed 4 Feb 2026.