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Thompson Siegel & Walmsley’s Merck MRK Stock Holding History

Thompson Siegel & Walmsley’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 		$33M Sell
274,701
-27,181
-9% -$3.14M 0.58% 61
2025
Q4 		$31.8M Sell
301,882
-505
-0.2% -$47.4K 0.53% 68
2025
Q3 		$25.4M Buy
302,387
+17,077
+6% +$1.41M 0.41% 76
2025
Q2 		$22.6M Buy
285,310
+12,888
+5% +$1.02M 0.38% 77
2025
Q1 		$24.5M Buy
272,422
+25,997
+11% +$2.43M 0.41% 72
2024
Q4 		$24.5M Sell
246,425
-1,662
-0.7% -$171K 0.38% 80
2024
Q3 		$28.2M Sell
248,087
-1,083
-0.4% -$129K 0.42% 75
2024
Q2 		$30.8M Sell
249,170
-1,395
-0.6% -$180K 0.49% 66
2024
Q1 		$33.1M Sell
250,565
-3,888
-2% -$479K 0.51% 68
2023
Q4 		$27.7M Sell
254,453
-5,397
-2% -$560K 0.45% 72
2023
Q3 		$26.8M Buy
259,850
+541
+0.2% +$58.3K 0.44% 74
2023
Q2 		$29.9M Sell
259,309
-6,201
-2% -$704K 0.48% 67
2023
Q1 		$28.2M Sell
265,510
-5,547
-2% -$599K 0.46% 69
2022
Q4 		$30.1M Sell
271,057
-27,404
-9% -$2.8M 0.49% 70
2022
Q3 		$25.7M Sell
298,461
-1,867
-0.6% -$167K 0.44% 74
2022
Q2 		$27.4M Sell
300,328
-72,367
-19% -$6.42M 0.44% 76
2022
Q1 		$30.6M Buy
372,695
+45,995
+14% +$3.63M 0.44% 71
2021
Q4 		$25M Buy
326,700
+3,723
+1% +$297K 0.34% 87
2021
Q3 		$24.3M Buy
322,977
+1,942
+0.6% +$148K 0.35% 86
2021
Q2 		$25M Buy
321,035
+1,924
+0.6% +$143K 0.34% 85
2021
Q1 		$23.5M Buy
319,111
+80,272
+34% +$5.92M 0.34% 82
2020
Q4 		$18.6M Buy
238,839
+21,482
+10% +$1.64M 0.3% 95
2020
Q3 		$17.2M Buy
217,357
+25,310
+13% +$1.98M 0.33% 88
2020
Q2 		$14.2M Buy
192,047
+54,487
+40% +$4.1M 0.29% 96
2020
Q1 		$10.1M Buy
137,560
+4,247
+3% +$334K 0.24% 106
2019
Q4 		$11.6M Buy
133,313
+10,882
+9% +$894K 0.18% 116
2019
Q3 		$9.83M Sell
122,431
-1,295
-1% -$104K 0.16% 125
2019
Q2 		$9.9M Buy
123,726
+116
+0.1% +$8.88K 0.14% 127
2019
Q1 		$9.81M Sell
123,610
-280
-0.2% -$20.9K 0.14% 133
2018
Q4 		$9.03M Buy
123,890
+10,532
+9% +$743K 0.14% 129
2018
Q3 		$7.67M Hold
113,358
– – 0.1% 152
2018
Q2 		$6.57M Buy
113,358
+6,906
+6% +$390K 0.09% 158
2018
Q1 		$5.53M Sell
106,452
-11,235
-10% -$607K 0.07% 210
2017
Q4 		$6.32M Buy
117,687
+3,598
+3% +$199K 0.08% 209
2017
Q3 		$6.97M Buy
114,089
+2,108
+2% +$128K 0.08% 215
2017
Q2 		$6.85M Buy
111,981
+13,520
+14% +$823K 0.08% 214
2017
Q1 		$5.97M Sell
98,461
-1,011
-1% -$61.3K 0.07% 224
2016
Q4 		$5.59M Sell
99,472
-4,655
-4% -$272K 0.07% 224
2016
Q3 		$6.2M Sell
104,127
-927
-0.9% -$54.2K 0.1% 218
2016
Q2 		$5.78M Sell
105,054
-1,546
-1% -$82.3K 0.09% 211
2016
Q1 		$5.38M Sell
106,600
-34,413
-24% -$1.69M 0.09% 214
2015
Q4 		$7.11M Sell
141,013
-60,106
-30% -$3.03M 0.13% 209
2015
Q3 		$9.48M Buy
201,119
+5,495
+3% +$292K 0.18% 193
2015
Q2 		$10.6M Buy
195,624
+19,781
+11% +$1.11M 0.19% 197
2015
Q1 		$9.64M Sell
175,843
-650
-0.4% -$36.8K 0.17% 211
2014
Q4 		$9.56M Sell
176,493
-9,627
-5% -$536K 0.18% 202
2014
Q3 		$10.5M Sell
186,120
-40,444
-18% -$2.27M 0.21% 182
2014
Q2 		$12.5M Sell
226,564
-16,553
-7% -$903K 0.24% 175
2014
Q1 		$13.2M Sell
243,117
-4,652
-2% -$241K 0.3% 155
2013
Q4 		$11.8M Sell
247,769
-107,163
-30% -$4.9M 0.28% 161
2013
Q3 		$16.1M Sell
354,932
-43,627
-11% -$1.99M 0.35% 125
2013
Q2 		$17.7M Buy
+398,559
New +$17.8M 0.38% 107

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

Thompson Siegel & Walmsley's MRK Position: Q1 2026 in Review

Thompson Siegel & Walmsley reduced its Merck (MRK) stake by 9% in Q1 2026, selling an estimated $3.14M and leaving 274,701 shares worth $33M. The position accounts for 0.58% of the portfolio, ranked #61.

Thompson Siegel & Walmsley first reported a position in MRK in Q2 2013 and has held it in 52 quarters since. The position peaked at $33.1M in Q1 2024. 3,779 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Thompson Siegel & Walmsley held 274,701 shares of Merck worth $33M as of Q1 2026.
  • Thompson Siegel & Walmsley sold 27,181 Merck shares in Q1 2026, an estimated $3.14M.
  • Merck made up 0.58% of Thompson Siegel & Walmsley's portfolio in Q1 2026, its #61 holding.
  • Thompson Siegel & Walmsley first reported a position in Merck in Q2 2013 and has held it in 52 quarters since.
  • Thompson Siegel & Walmsley's Merck position peaked at $33.1M in Q1 2024.
  • 3,779 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q1 2026, filed 11 May 2026.