MCM
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Mattern Capital Management’s Merck MRK Stock Holding History

Mattern 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 		$348K Buy
2,706
+81
+3% +$9.48K 0.04% 145
2026
Q1 		$316K Buy
2,625
+2
+0.1% +$231 0.04% 151
2025
Q4 		$276K Hold
2,623
– – 0.03% 158
2025
Q3 		$220K Sell
2,623
-753
-22% -$62K 0.03% 166
2025
Q2 		$267K Buy
3,376
+728
+27% +$57.9K 0.03% 159
2025
Q1 		$238K Sell
2,648
-255
-9% -$23.8K 0.03% 159
2024
Q4 		$289K Hold
2,903
– – 0.04% 146
2024
Q3 		$330K Hold
2,903
– – 0.04% 135
2024
Q2 		$359K Hold
2,903
– – 0.05% 129
2024
Q1 		$383K Buy
2,903
+300
+12% +$37K 0.05% 122
2023
Q4 		$284K Buy
2,603
+278
+12% +$28.9K 0.04% 122
2023
Q3 		$239K Hold
2,325
– – 0.04% 128
2023
Q2 		$268K Sell
2,325
-16
-0.7% -$1.82K 0.04% 123
2023
Q1 		$249K Sell
2,341
-294
-11% -$31.7K 0.04% 117
2022
Q4 		$292K Hold
2,635
– – 0.05% 112
2022
Q3 		$227K Hold
2,635
– – 0.05% 117
2022
Q2 		$240K Sell
2,635
-48
-2% -$4.25K 0.05% 112
2022
Q1 		$220K Hold
2,683
– – 0.04% 119
2021
Q4 		$206K Hold
2,683
– – 0.04% 116
2021
Q3 		$202K Hold
2,683
– – 0.04% 113
2021
Q2 		$209K Sell
2,683
-129
-5% -$9.6K 0.04% 112
2021
Q1 		$207K Sell
2,812
-1
-0% -$74 0.04% 106
2020
Q4 		$220K Hold
2,813
– – 0.05% 102
2020
Q3 		$223K Sell
2,813
-40
-1% -$3.13K 0.06% 100
2020
Q2 		$210K Sell
2,853
-282
-9% -$21.2K 0.06% 98
2020
Q1 		$230K Buy
3,135
+88
+3% +$6.92K 0.08% 98
2019
Q4 		$264K Buy
+3,047
New +$250K 0.07% 94

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

Mattern Capital Management's MRK Position: Q2 2026 in Review

Mattern Capital Management increased its Merck (MRK) stake by 3.1% in Q2 2026, buying an estimated $9.48K and bringing the position to 2,706 shares worth $348K. The position accounts for 0.04% of the portfolio, ranked #145.

Mattern Capital Management first reported a position in MRK in Q4 2019 and has held it in 27 quarters since. The position peaked at $383K in Q1 2024. 3,832 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Mattern Capital Management held 2,706 shares of Merck worth $348K as of Q2 2026.
  • Mattern Capital Management bought 81 Merck shares in Q2 2026, an estimated $9.48K.
  • Merck made up 0.04% of Mattern Capital Management's portfolio in Q2 2026, its #145 holding.
  • Mattern Capital Management first reported a position in Merck in Q4 2019 and has held it in 27 quarters since.
  • Mattern Capital Management's Merck position peaked at $383K in Q1 2024.
  • 3,832 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.