Arrowstreet Capital’s Merck MRK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $353M | Sell |
2,936,330
-7,007,793
| -70% | -$809M | 0.19% | 102 |
|
|
2025
Q4 | $1.05B | Sell |
9,944,123
-8,764,580
| -47% | -$823M | 0.61% | 27 |
|
|
2025
Q3 | $1.57B | Sell |
18,708,703
-747,393
| -4% | -$61.6M | 0.99% | 10 |
|
|
2025
Q2 | $1.54B | Buy |
19,456,096
+5,094,088
| +35% | +$405M | 1.09% | 7 |
|
|
2025
Q1 | $1.29B | Buy |
14,362,008
+7,888,914
| +122% | +$737M | 1.05% | 8 |
|
|
2024
Q4 | $644M | Sell |
6,473,094
-486,039
| -7% | -$50.1M | 0.52% | 32 |
|
|
2024
Q3 | $790M | Buy |
6,959,133
+751,934
| +12% | +$89.3M | 0.67% | 25 |
|
|
2024
Q2 | $768M | Buy |
6,207,199
+1,459,491
| +31% | +$188M | 0.68% | 28 |
|
|
2024
Q1 | $626M | Sell |
4,747,708
-830,589
| -15% | -$102M | 0.58% | 35 |
|
|
2023
Q4 | $608M | Sell |
5,578,297
-3,913,447
| -41% | -$406M | 0.64% | 33 |
|
|
2023
Q3 | $977M | Sell |
9,491,744
-2,648,429
| -22% | -$285M | 1.18% | 12 |
|
|
2023
Q2 | $1.4B | Buy |
12,140,173
+1,374,519
| +13% | +$156M | 1.7% | 7 |
|
|
2023
Q1 | $1.15B | Buy |
10,765,654
+1,683,252
| +19% | +$182M | 1.48% | 8 |
|
|
2022
Q4 | $1.01B | Sell |
9,082,402
-779,907
| -8% | -$79.7M | 1.41% | 6 |
|
|
2022
Q3 | $849M | Buy |
9,862,309
+493,351
| +5% | +$44M | 1.25% | 9 |
|
|
2022
Q2 | $854M | Sell |
9,368,958
-391,753
| -4% | -$34.7M | 1.21% | 13 |
|
|
2022
Q1 | $801M | Buy |
9,760,711
+1,441,584
| +17% | +$114M | 1% | 13 |
|
|
2021
Q4 | $638M | Buy |
8,319,127
+1,751,969
| +27% | +$140M | 0.78% | 16 |
|
|
2021
Q3 | $493M | Buy |
6,567,158
+1,172,684
| +22% | +$89.2M | 0.62% | 25 |
|
|
2021
Q2 | $420M | Sell |
5,394,474
-1,380,571
| -20% | -$103M | 0.52% | 34 |
|
|
2021
Q1 | $498M | Buy |
6,775,045
+2,468,569
| +57% | +$182M | 0.67% | 24 |
|
|
2020
Q4 | $336M | Sell |
4,306,476
-1,431,520
| -25% | -$109M | 0.47% | 36 |
|
|
2020
Q3 | $454M | Sell |
5,737,996
-3,325,478
| -37% | -$260M | 0.72% | 18 |
|
|
2020
Q2 | $669M | Sell |
9,063,474
-3,144,729
| -26% | -$237M | 1.23% | 9 |
|
|
2020
Q1 | $896M | Buy |
12,208,203
+1,509,267
| +14% | +$119M | 2.52% | 5 |
|
|
2019
Q4 | $929M | Buy |
10,698,936
+1,959,272
| +22% | +$161M | 2.16% | 4 |
|
|
2019
Q3 | $702M | Sell |
8,739,664
-941,976
| -10% | -$75.5M | 1.64% | 6 |
|
|
2019
Q2 | $775M | Buy |
9,681,640
+1,705,671
| +21% | +$131M | 1.73% | 3 |
|
|
2019
Q1 | $633M | Buy |
7,975,969
+1,584,254
| +25% | +$118M | 1.5% | 6 |
|
|
2018
Q4 | $466M | Buy |
6,391,715
+2,645,337
| +71% | +$187M | 1.22% | 11 |
|
|
2018
Q3 | $254M | Buy |
3,746,378
+164,620
| +5% | +$10.5M | 0.57% | 42 |
|
|
2018
Q2 | $207M | Buy |
3,581,758
+857,508
| +31% | +$48.4M | 0.51% | 53 |
|
|
2018
Q1 | $142M | Sell |
2,724,250
-5,234,827
| -66% | -$283M | 0.32% | 78 |
|
|
2017
Q4 | $427M | Buy |
7,959,077
+1,181,134
| +17% | +$65.5M | 1.03% | 17 |
|
|
2017
Q3 | $414M | Buy |
6,777,943
+194,559
| +3% | +$11.8M | 1.11% | 18 |
|
|
2017
Q2 | $403M | Buy |
6,583,384
+2,744,120
| +71% | +$167M | 1.22% | 14 |
|
|
2017
Q1 | $233M | Buy |
+3,839,264
| New | +$233M | 0.85% | 20 |
|
|
2016
Q3 | – | Sell |
-51,981
| Closed | -$2.86M | – | 1571 |
|
|
2016
Q2 | $2.86M | Buy |
+51,981
| New | +$2.77M | 0.01% | 738 |
|
|
2015
Q3 | – | Sell |
-40,872
| Closed | -$2.22M | – | 1439 |
|
|
2015
Q2 | $2.22M | Buy |
+40,872
| New | +$2.29M | 0.01% | 610 |
|
|
2015
Q1 | – | Sell |
-723,943
| Closed | -$39.2M | – | 1143 |
|
|
2014
Q4 | $39.2M | Sell |
723,943
-4,025,117
| -85% | -$224M | 0.22% | 104 |
|
|
2014
Q3 | $269M | Sell |
4,749,060
-810,121
| -15% | -$45.5M | 1.44% | 8 |
|
|
2014
Q2 | $307M | Buy |
+5,559,181
| New | +$303M | 1.58% | 8 |
|
Other funds holding MRK
VCM
VPM
Arrowstreet Capital's MRK Position: Q1 2026 in Review
Arrowstreet Capital reduced its Merck (MRK) stake by 70% in Q1 2026, selling an estimated $809M and leaving 2,936,330 shares worth $353M. The position accounts for 0.19% of the portfolio, ranked #102.
Arrowstreet Capital first reported a position in MRK in Q2 2014 and has held it in 42 quarters since. The position peaked at $1.57B in Q3 2025. 3,777 funds tracked by Wall St. Rank hold MRK as of Q1 2026.
- Arrowstreet Capital held 2,936,330 shares of Merck worth $353M as of Q1 2026.
- Arrowstreet Capital sold 7,007,793 Merck shares in Q1 2026, an estimated $809M.
- Merck made up 0.19% of Arrowstreet Capital's portfolio in Q1 2026, its #102 holding.
- Arrowstreet Capital first reported a position in Merck in Q2 2014 and has held it in 42 quarters since.
- Arrowstreet Capital's Merck position peaked at $1.57B in Q3 2025.
- 3,777 funds tracked by Wall St. Rank held Merck as of Q1 2026.
Based on Arrowstreet Capital's 13F filing for Q1 2026, filed 14 May 2026.