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Woodline Partners’s Merck MRK Stock Holding History

Woodline Partners’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 		$144M Buy
1,124,149
+53,069
+5% +$6.21M 0.45% 37
2026
Q1 		$129M Buy
1,071,080
+66,381
+7% +$7.66M 0.49% 32
2025
Q4 		$106M Buy
1,004,699
+96,155
+11% +$9.03M 0.41% 42
2025
Q3 		$76.3M Buy
908,544
+130,118
+17% +$10.7M 0.36% 57
2025
Q2 		$61.6M Buy
778,426
+13,900
+2% +$1.1M 0.33% 70
2025
Q1 		$68.6M Buy
764,526
+33,192
+5% +$3.1M 0.45% 38
2024
Q4 		$72.8M Sell
731,334
-117,315
-14% -$12.1M 0.49% 37
2024
Q3 		$96.4M Buy
848,649
+137,296
+19% +$16.3M 0.81% 22
2024
Q2 		$88.1M Sell
711,353
-264,664
-27% -$34.1M 0.84% 20
2024
Q1 		$129M Buy
976,017
+181,561
+23% +$22.4M 1.19% 7
2023
Q4 		$86.6M Sell
794,456
-88,044
-10% -$9.14M 0.94% 14
2023
Q3 		$90.9M Hold
882,500
– – 1.07% 14
2023
Q2 		$102M Buy
882,500
+180,697
+26% +$20.5M 1.21% 10
2023
Q1 		$74.7M Buy
701,803
+189,468
+37% +$20.5M 1.02% 15
2022
Q4 		$56.8M Sell
512,335
-466,152
-48% -$47.6M 0.76% 20
2022
Q3 		$84.3M Buy
978,487
+412,503
+73% +$36.8M 1.18% 6
2022
Q2 		$51.6M Sell
565,984
-303,407
-35% -$26.9M 0.8% 20
2022
Q1 		$71.3M Buy
869,391
+849,367
+4,242% +$67M 1.16% 9
2021
Q4 		$1.53M Hold
20,024
– – 0.02% 451
2021
Q3 		$1.5M Sell
20,024
-366,870
-95% -$27.9M 0.02% 447
2021
Q2 		$30.1M Buy
386,894
+87,842
+29% +$6.53M 0.56% 44
2021
Q1 		$22M Buy
+299,052
New +$22.1M 0.49% 63
2020
Q4 		– Sell
-203,456
Closed -$16.1M – 257
2020
Q3 		$16.1M Buy
+203,456
New +$15.9M 0.53% 52

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

Woodline Partners's MRK Position: Q2 2026 in Review

Woodline Partners increased its Merck (MRK) stake by 5% in Q2 2026, buying an estimated $6.21M and bringing the position to 1,124,149 shares worth $144M. The position accounts for 0.45% of the portfolio, ranked #37.

Woodline Partners first reported a position in MRK in Q3 2020 and has held it in 23 quarters since. 3,833 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Woodline Partners held 1,124,149 shares of Merck worth $144M as of Q2 2026.
  • Woodline Partners bought 53,069 Merck shares in Q2 2026, an estimated $6.21M.
  • Merck made up 0.45% of Woodline Partners's portfolio in Q2 2026, its #37 holding.
  • Woodline Partners first reported a position in Merck in Q3 2020 and has held it in 23 quarters since.
  • 3,833 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Woodline Partners's 13F filing for Q2 2026, filed 14 Aug 2026.