Impax Asset Management Group
MRK icon

Impax Asset Management Group’s Merck MRK Stock Holding History

Impax Asset Management Group’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 		$18.2M Buy
150,937
+42,387
+39% +$4.89M 0.13% 105
2025
Q4 		$11.4M Sell
108,550
-35,415
-25% -$3.32M 0.07% 141
2025
Q3 		$12.1M Sell
143,965
-3,106
-2% -$256K 0.07% 132
2025
Q2 		$11.6M Sell
147,071
-252,213
-63% -$20M 0.07% 129
2025
Q1 		$35.8M Sell
399,284
-46,275
-10% -$4.32M 0.22% 90
2024
Q4 		$44.3M Sell
445,559
-126,222
-22% -$13M 0.2% 87
2024
Q3 		$64.9M Buy
571,781
+48,368
+9% +$5.75M 0.26% 78
2024
Q2 		$64.8M Sell
523,413
-112,033
-18% -$14.4M 0.26% 78
2024
Q1 		$83.8M Sell
635,446
-188,400
-23% -$23.2M 0.32% 77
2023
Q4 		$89.8M Buy
823,846
+42,810
+5% +$4.44M 0.36% 73
2023
Q3 		$80.4M Buy
781,036
+5,523
+0.7% +$595K 0.36% 73
2023
Q2 		$89.5M Buy
775,513
+6,545
+0.9% +$743K 0.36% 74
2023
Q1 		$81.8M Buy
768,968
+110,085
+17% +$11.9M 0.34% 75
2022
Q4 		$73.1M Buy
658,883
+115,995
+21% +$11.9M 0.33% 81
2022
Q3 		$46.8M Sell
542,888
-1,197
-0.2% -$107K 0.24% 88
2022
Q2 		$49.6M Buy
544,085
+63,102
+13% +$5.59M 0.24% 85
2022
Q1 		$39.5M Sell
480,983
-68
-0% -$5.36K 0.16% 100
2021
Q4 		$36.9M Buy
481,051
+4,944
+1% +$394K 0.13% 99
2021
Q3 		$35.8M Buy
476,107
+4,294
+0.9% +$327K 0.15% 99
2021
Q2 		$36.7M Buy
471,813
+54,985
+13% +$4.09M 0.16% 94
2021
Q1 		$30.7M Buy
416,828
+29,589
+8% +$2.18M 0.16% 89
2020
Q4 		$30.2M Buy
387,239
+80,209
+26% +$6.13M 0.19% 75
2020
Q3 		$24.3M Hold
307,030
– – 0.21% 80
2020
Q2 		$22.7M Hold
307,030
– – 0.23% 77
2020
Q1 		$22.5M Hold
307,030
– – 0.3% 72
2019
Q4 		$26.6M Buy
307,030
+18,582
+6% +$1.53M 0.3% 66
2019
Q3 		$23.2M Buy
288,448
+22,322
+8% +$1.79M 0.3% 68
2019
Q2 		$21.3M Hold
266,126
– – 0.28% 69
2019
Q1 		$21.1M Buy
266,126
+37,662
+16% +$2.82M 0.29% 68
2018
Q4 		$16.7M Buy
+228,464
New +$16.1M 0.27% 70

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

Impax Asset Management Group's MRK Position: Q1 2026 in Review

Impax Asset Management Group increased its Merck (MRK) stake by 39% in Q1 2026, buying an estimated $4.89M and bringing the position to 150,937 shares worth $18.2M. The position accounts for 0.13% of the portfolio, ranked #105.

Impax Asset Management Group first reported a position in MRK in Q4 2018 and has held it in 30 quarters since. The position peaked at $89.8M in Q4 2023. 3,779 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Impax Asset Management Group held 150,937 shares of Merck worth $18.2M as of Q1 2026.
  • Impax Asset Management Group bought 42,387 Merck shares in Q1 2026, an estimated $4.89M.
  • Merck made up 0.13% of Impax Asset Management Group's portfolio in Q1 2026, its #105 holding.
  • Impax Asset Management Group first reported a position in Merck in Q4 2018 and has held it in 30 quarters since.
  • Impax Asset Management Group's Merck position peaked at $89.8M in Q4 2023.
  • 3,779 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Impax Asset Management Group's 13F filing for Q1 2026, filed 12 May 2026.