PEAK6’s Merck MRK Stock Holding History

PEAK6’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	$64.3M	Buy	500,400 +452,300	+940%	+$52.9M	0.13%	134
2026 Q1	$5.79M	Sell	48,100 -539,900	-92%	-$62.3M	0.01%	825
2025 Q4	$61.9M	Buy	588,000 +486,700	+480%	+$45.7M	0.12%	147
2025 Q3	$8.5M	Buy	101,300 +39,600	+64%	+$3.26M	0.01%	766
2025 Q2	$4.88M	Sell	61,700 -168,300	-73%	-$13.4M	0.01%	968
2025 Q1	$20.6M	Buy	+230,000	New	+$21.5M	0.05%	331

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

PEAK6's MRK Position: Q2 2026 in Review

PEAK6 sold out of Merck (MRK) in Q2 2026, closing a stake of 48,515 shares — an estimated $5.68M sold.

PEAK6 first reported a position in MRK in Q1 2026 and held it in 1 quarter. The position peaked at $5.84M in Q1 2026. 3,833 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

PEAK6 reported no remaining Merck position as of Q2 2026 after selling out during the quarter.
PEAK6 sold 48,515 Merck shares in Q2 2026, an estimated $5.68M.
PEAK6 first reported a position in Merck in Q1 2026 and held it in 1 quarter.
PEAK6's Merck position peaked at $5.84M in Q1 2026.
3,833 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.