Rafferty Asset Management
MRK icon

Rafferty Asset Management’s Merck MRK Stock Holding History

Rafferty Asset 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
Q1 		$23.2M Sell
193,053
-76,567
-28% -$8.84M 0.09% 115
2025
Q4 		$28.4M Sell
269,620
-10,228
-4% -$960K 0.1% 113
2025
Q3 		$23.5M Buy
279,848
+11,466
+4% +$944K 0.08% 137
2025
Q2 		$21.2M Buy
268,382
+30,670
+13% +$2.44M 0.07% 143
2025
Q1 		$21.3M Sell
237,712
-52,722
-18% -$4.92M 0.09% 131
2024
Q4 		$28.9M Buy
290,434
+29,554
+11% +$3.05M 0.1% 121
2024
Q3 		$29.6M Sell
260,880
-17,704
-6% -$2.1M 0.1% 113
2024
Q2 		$34.5M Buy
278,584
+12,966
+5% +$1.67M 0.13% 92
2024
Q1 		$35M Buy
265,618
+3,715
+1% +$458K 0.13% 87
2023
Q4 		$28.6M Sell
261,903
-6,258
-2% -$650K 0.12% 105
2023
Q3 		$27.6M Buy
268,161
+19,769
+8% +$2.13M 0.16% 82
2023
Q2 		$28.7M Buy
248,392
+19,079
+8% +$2.17M 0.16% 81
2023
Q1 		$24.4M Buy
229,313
+8,481
+4% +$916K 0.17% 86
2022
Q4 		$24.5M Buy
220,832
+82,454
+60% +$8.43M 0.21% 81
2022
Q3 		$11.9M Buy
138,378
+74,303
+116% +$6.63M 0.13% 126
2022
Q2 		$5.84M Sell
64,075
-18,716
-23% -$1.66M 0.05% 259
2022
Q1 		$6.79M Sell
82,791
-14,037
-14% -$1.11M 0.04% 279
2021
Q4 		$7.42M Buy
96,828
+5,685
+6% +$453K 0.04% 251
2021
Q3 		$6.85M Buy
91,143
+32,475
+55% +$2.47M 0.05% 238
2021
Q2 		$4.56M Sell
58,668
-376
-0.6% -$28K 0.03% 345
2021
Q1 		$4.34M Buy
59,044
+3,862
+7% +$285K 0.03% 314
2020
Q4 		$4.31M Sell
55,182
-2,137
-4% -$163K 0.04% 254
2020
Q3 		$4.54M Sell
57,319
-12,037
-17% -$943K 0.05% 195
2020
Q2 		$5.12M Buy
69,356
+42,166
+155% +$3.17M 0.07% 173
2020
Q1 		$2M Sell
27,190
-67,786
-71% -$5.33M 0.08% 147
2019
Q4 		$8.24M Buy
94,976
+61,763
+186% +$5.07M 0.13% 91
2019
Q3 		$2.67M Sell
33,213
-2,363
-7% -$189K 0.04% 254
2019
Q2 		$2.85M Buy
35,576
+28,976
+439% +$2.22M 0.05% 264
2019
Q1 		$524K Buy
+6,600
New +$494K 0.01% 665
2018
Q4 		– Sell
-3,095
Closed -$209K – 684
2018
Q3 		$209K Buy
+3,095
New +$197K ﹤0.01% 673
2017
Q2 		– Sell
-7,356
Closed -$446K – 580
2017
Q1 		$446K Buy
+7,356
New +$446K 0.01% 497
2015
Q3 		– Sell
-5,829
Closed -$317K – 591
2015
Q2 		$317K Sell
5,829
-167
-3% -$9.37K 0.02% 438
2015
Q1 		$329K Buy
+5,996
New +$340K 0.02% 415
2014
Q4 		– Sell
-6,649
Closed -$376K – 378
2014
Q3 		$376K Buy
6,649
+2,503
+60% +$141K 0.04% 213
2014
Q2 		$229K Sell
4,146
-14
-0.3% -$764 0.04% 295
2014
Q1 		$225K Buy
+4,160
New +$215K 0.05% 237

Other funds holding MRK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
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
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Rafferty Asset Management's MRK Position: Q1 2026 in Review

Rafferty Asset Management reduced its Merck (MRK) stake by 28% in Q1 2026, selling an estimated $8.84M and leaving 193,053 shares worth $23.2M. The position accounts for 0.09% of the portfolio, ranked #115.

Rafferty Asset Management first reported a position in MRK in Q1 2014 and has held it in 36 quarters since. The position peaked at $35M in Q1 2024. 3,777 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Rafferty Asset Management held 193,053 shares of Merck worth $23.2M as of Q1 2026.
  • Rafferty Asset Management sold 76,567 Merck shares in Q1 2026, an estimated $8.84M.
  • Merck made up 0.09% of Rafferty Asset Management's portfolio in Q1 2026, its #115 holding.
  • Rafferty Asset Management first reported a position in Merck in Q1 2014 and has held it in 36 quarters since.
  • Rafferty Asset Management's Merck position peaked at $35M in Q1 2024.
  • 3,777 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Rafferty Asset Management's 13F filing for Q1 2026, filed 15 May 2026.