XT
MRK icon

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
Q2 		$402K Sell
3,125
-31,678
-91% -$3.71M 0.01% 2655
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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

XTX Topco's MRK Position: Q2 2026 in Review

XTX Topco reduced its Merck (MRK) stake by 91% in Q2 2026, selling an estimated $3.71M and leaving 3,125 shares worth $402K. The position accounts for 0.01% of the portfolio, ranked #2655.

XTX Topco first reported a position in MRK in Q1 2021 and has held it in 14 quarters since. The position peaked at $4.73M in Q2 2024. 3,836 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • XTX Topco held 3,125 shares of Merck worth $402K as of Q2 2026.
  • XTX Topco sold 31,678 Merck shares in Q2 2026, an estimated $3.71M.
  • Merck made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2655 holding.
  • XTX Topco first reported a position in Merck in Q1 2021 and has held it in 14 quarters since.
  • XTX Topco's Merck position peaked at $4.73M in Q2 2024.
  • 3,836 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.