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Seneca House Advisors’s Merck MRK Stock Holding History

Seneca House Advisors’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 		$224K Buy
1,740
+76
+5% +$8.9K 0.08% 95
2026
Q1 		$200K Sell
1,664
-457
-22% -$52.8K 0.08% 96
2025
Q4 		$223K Buy
+2,121
New +$199K 0.08% 95
2025
Q1 		– Sell
-2,162
Closed -$215K – 88
2024
Q4 		$215K Buy
2,162
+86
+4% +$8.87K 0.09% 86
2024
Q3 		$236K Buy
2,076
+63
+3% +$7.49K 0.1% 79
2024
Q2 		$249K Buy
2,013
+53
+3% +$6.83K 0.11% 74
2024
Q1 		$259K Buy
1,960
+2
+0.1% +$247 0.11% 74
2023
Q4 		$214K Sell
1,958
-60
-3% -$6.23K 0.1% 73
2023
Q3 		$211K Sell
2,018
-104
-5% -$11.2K 0.11% 73
2023
Q2 		$245K Buy
2,122
+1
+0% +$114 0.12% 76
2023
Q1 		$226K Buy
2,121
+150
+8% +$16.2K 0.12% 80
2022
Q4 		$219K Buy
+1,971
New +$201K 0.12% 81
2021
Q4 		– Sell
-3,099
Closed -$233K – 92
2021
Q3 		$233K Buy
3,099
+160
+5% +$12.2K 0.14% 81
2021
Q2 		$229K Buy
+2,939
New +$219K 0.15% 78

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

Seneca House Advisors's MRK Position: Q2 2026 in Review

Seneca House Advisors increased its Merck (MRK) stake by 4.6% in Q2 2026, buying an estimated $8.9K and bringing the position to 1,740 shares worth $224K. The position accounts for 0.08% of the portfolio, ranked #95.

Seneca House Advisors first reported a position in MRK in Q2 2021 and has held it in 14 quarters since. The position peaked at $259K in Q1 2024. 3,833 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Seneca House Advisors held 1,740 shares of Merck worth $224K as of Q2 2026.
  • Seneca House Advisors bought 76 Merck shares in Q2 2026, an estimated $8.9K.
  • Merck made up 0.08% of Seneca House Advisors's portfolio in Q2 2026, its #95 holding.
  • Seneca House Advisors first reported a position in Merck in Q2 2021 and has held it in 14 quarters since.
  • Seneca House Advisors's Merck position peaked at $259K in Q1 2024.
  • 3,833 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Seneca House Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.