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Sarah Ketterer’s Merck MRK Stock Holding History

Sarah Ketterer’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 		$123M Buy
954,932
+100,720
+12% +$11.8M 1.33% 10
2026
Q1 		$103M Sell
854,212
-190,405
-18% -$22M 1.26% 9
2025
Q4 		$110M Sell
1,044,617
-89,440
-8% -$8.4M 1.51% 10
2025
Q3 		$95.2M Buy
1,134,057
+151,397
+15% +$12.5M 1.26% 12
2025
Q2 		$77.8M Buy
982,660
+84,791
+9% +$6.74M 1.23% 13
2025
Q1 		$80.6M Buy
897,869
+313,396
+54% +$29.3M 1.68% 12
2024
Q4 		$58.1M Buy
+584,473
New +$60.3M 1.32% 19
2020
Q3 		– Sell
-853,150
Closed -$63M – 85
2020
Q2 		$63M Sell
853,150
-671,734
-44% -$50.6M 1.13% 24
2020
Q1 		$112M Sell
1,524,884
-330,191
-18% -$26M 1.79% 17
2019
Q4 		$161M Sell
1,855,075
-62,330
-3% -$5.12M 1.73% 19
2019
Q3 		$154M Buy
1,917,405
+72,867
+4% +$5.84M 1.84% 20
2019
Q2 		$148M Buy
1,844,538
+17,906
+1% +$1.37M 1.62% 21
2019
Q1 		$145M Buy
+1,826,632
New +$137M 1.46% 19

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

Sarah Ketterer's MRK Position: Q2 2026 in Review

Sarah Ketterer increased its Merck (MRK) stake by 12% in Q2 2026, buying an estimated $11.8M and bringing the position to 954,932 shares worth $123M. The position accounts for 1.33% of the portfolio, ranked #10.

Sarah Ketterer first reported a position in MRK in Q1 2019 and has held it in 13 quarters since. The position peaked at $161M in Q4 2019. 3,820 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Sarah Ketterer held 954,932 shares of Merck worth $123M as of Q2 2026.
  • Sarah Ketterer bought 100,720 Merck shares in Q2 2026, an estimated $11.8M.
  • Merck made up 1.33% of Sarah Ketterer's portfolio in Q2 2026, its #10 holding.
  • Sarah Ketterer first reported a position in Merck in Q1 2019 and has held it in 13 quarters since.
  • Sarah Ketterer's Merck position peaked at $161M in Q4 2019.
  • 3,820 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Causeway Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.