XTX Topco’s Merck MRK Stock Holding History

XTX Topco’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 Q1	$4.19M	Buy	+34,803	New	+$4.02M	0.07%	373
2025 Q4	–	Sell	-39,536	Closed	-$3.32M	–	3620
2025 Q3	$3.32M	Buy	+39,536	New	+$3.26M	0.17%	86
2025 Q2	–	Sell	-25,325	Closed	-$2.27M	–	2877
2025 Q1	$2.27M	Buy	25,325 +15,404	+155%	+$1.44M	0.12%	214
2024 Q4	$987K	Sell	9,921 -31,228	-76%	-$3.22M	0.08%	312
2024 Q3	$4.67M	Buy	41,149 +2,977	+8%	+$354K	0.34%	17
2024 Q2	$4.73M	Buy	38,172 +28,997	+316%	+$3.74M	0.4%	10
2024 Q1	$1.21M	Buy	9,175 +6,838	+293%	+$843K	0.16%	109
2023 Q4	$255K	Sell	2,337 -774	-25%	-$80.3K	0.06%	761
2023 Q3	$320K	Buy	+3,111	New	+$335K	0.05%	684
2023 Q1	–	Sell	-12,136	Closed	-$1.35M	–	1523
2022 Q4	$1.35M	Buy	+12,136	New	+$1.24M	0.29%	43
2022 Q1	–	Sell	-5,772	Closed	-$442K	–	854
2021 Q4	$442K	Sell	5,772 -21,718	-79%	-$1.73M	0.25%	95
2021 Q3	$2.06M	Buy	+27,490	New	+$2.09M	0.69%	10
2021 Q2	–	Sell	-7,704	Closed	-$567K	–	987
2021 Q1	$567K	Buy	+7,704	New	+$568K	0.28%	63

Other funds holding MRK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

XTX Topco's MRK Position: Q1 2026 in Review

XTX Topco opened a new position in Merck (MRK) in Q1 2026: 34,803 shares worth $4.19M. The stake represents 0.07% of the portfolio and ranks #373 among its holdings. This is a return to the name: XTX Topco previously reported a position in MRK as recently as Q3 2025.

XTX Topco first reported a position in MRK in Q1 2021 and has held it in 13 quarters since. The position peaked at $4.73M in Q2 2024. 3,778 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

XTX Topco held 34,803 shares of Merck worth $4.19M as of Q1 2026.
Merck was a new XTX Topco position in Q1 2026.
Merck made up 0.07% of XTX Topco's portfolio in Q1 2026, its #373 holding.
XTX Topco first reported a position in Merck in Q1 2021 and has held it in 13 quarters since.
XTX Topco's Merck position peaked at $4.73M in Q2 2024.
3,778 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.