Hudson Bay Capital Management
MRK icon

Hudson Bay Capital Management’s Merck MRK Stock Holding History

Hudson Bay Capital 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 		$284K Sell
2,210
-99,295
-98% -$11.6M ﹤0.01% 1076
2026
Q1 		$12.2M Buy
101,505
+99,705
+5,539% +$11.5M 0.04% 276
2025
Q4 		$189K Sell
1,800
-103,455
-98% -$9.71M ﹤0.01% 978
2025
Q3 		$8.83M Sell
105,255
-72,500
-41% -$5.97M 0.03% 390
2025
Q2 		$14.1M Sell
177,755
-184,785
-51% -$14.7M 0.05% 283
2025
Q1 		$32.5M Buy
362,540
+109,892
+43% +$10.3M 0.1% 183
2024
Q4 		$25.1M Buy
252,648
+76,920
+44% +$7.93M 0.09% 218
2024
Q3 		$20M Sell
175,728
-69,870
-28% -$8.3M 0.08% 173
2024
Q2 		$30.4M Buy
+245,598
New +$31.6M 0.14% 103
2024
Q1 		– Sell
-264,980
Closed -$28.9M – 833
2023
Q4 		$28.9M Buy
+264,980
New +$27.5M 0.18% 82
2023
Q3 		– Sell
-1,000,000
Closed -$115M – 897
2023
Q2 		$115M Buy
+1,000,000
New +$114M 0.84% 34
2023
Q1 		– Sell
-378,000
Closed -$41.9M – 941
2022
Q4 		$41.9M Buy
+378,000
New +$38.6M 0.43% 54
2022
Q1 		– Sell
-24,800
Closed -$1.9M – 1265
2021
Q4 		$1.9M Sell
24,800
-65
-0.3% -$5.18K 0.02% 705
2021
Q3 		$1.87M Sell
24,865
-20,135
-45% -$1.53M 0.03% 651
2021
Q2 		$3.5M Buy
+45,000
New +$3.35M 0.04% 460
2021
Q1 		– Sell
-15,720
Closed -$1.23M – 914
2020
Q4 		$1.23M Sell
15,720
-5,240
-25% -$401K 0.01% 436
2020
Q3 		$1.66M Buy
+20,960
New +$1.64M 0.02% 378
2019
Q2 		– Sell
-3,249
Closed -$258K – 619
2019
Q1 		$258K Buy
+3,249
New +$243K ﹤0.01% 642
2018
Q1 		– Sell
-41,920
Closed -$2.25M – 819
2017
Q4 		$2.25M Buy
+41,920
New +$2.32M 0.05% 297

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

Hudson Bay Capital Management's MRK Position: Q2 2026 in Review

Hudson Bay Capital Management reduced its Merck (MRK) stake by 98% in Q2 2026, selling an estimated $11.6M and leaving 2,210 shares worth $284K. The position accounts for ﹤0.01% of the portfolio, ranked #1076.

Hudson Bay Capital Management first reported a position in MRK in Q4 2017 and has held it in 19 quarters since. The position peaked at $115M in Q2 2023. 3,824 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Hudson Bay Capital Management held 2,210 shares of Merck worth $284K as of Q2 2026.
  • Hudson Bay Capital Management sold 99,295 Merck shares in Q2 2026, an estimated $11.6M.
  • Merck made up ﹤0.01% of Hudson Bay Capital Management's portfolio in Q2 2026, its #1076 holding.
  • Hudson Bay Capital Management first reported a position in Merck in Q4 2017 and has held it in 19 quarters since.
  • Hudson Bay Capital Management's Merck position peaked at $115M in Q2 2023.
  • 3,824 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.