Primecap Management’s Merck MRK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $4.59M | Sell |
35,700
-200
| -0.6% | -$23.4K | ﹤0.01% | 288 |
|
|
2026
Q1 | $4.32M | Sell |
35,900
-2,100
| -6% | -$242K | ﹤0.01% | 283 |
|
|
2025
Q4 | $4M | Sell |
38,000
-8,000
| -17% | -$751K | ﹤0.01% | 286 |
|
|
2025
Q3 | $3.86M | Sell |
46,000
-5,900
| -11% | -$486K | ﹤0.01% | 287 |
|
|
2025
Q2 | $4.11M | Sell |
51,900
-5,600
| -10% | -$445K | ﹤0.01% | 290 |
|
|
2025
Q1 | $5.16M | Sell |
57,500
-2,900
| -5% | -$271K | ﹤0.01% | 280 |
|
|
2024
Q4 | $6.01M | Sell |
60,400
-6,400
| -10% | -$660K | ﹤0.01% | 269 |
|
|
2024
Q3 | $7.59M | Sell |
66,800
-6,000
| -8% | -$713K | 0.01% | 274 |
|
|
2024
Q2 | $9.01M | Sell |
72,800
-3,200
| -4% | -$412K | 0.01% | 262 |
|
|
2024
Q1 | $10M | Sell |
76,000
-8,500
| -10% | -$1.05M | 0.01% | 261 |
|
|
2023
Q4 | $9.21M | Sell |
84,500
-8,500
| -9% | -$882K | 0.01% | 265 |
|
|
2023
Q3 | $9.57M | Sell |
93,000
-3,100
| -3% | -$334K | 0.01% | 258 |
|
|
2023
Q2 | $11.1M | Sell |
96,100
-4,800
| -5% | -$545K | 0.01% | 253 |
|
|
2023
Q1 | $10.7M | Sell |
100,900
-6,500
| -6% | -$702K | 0.01% | 253 |
|
|
2022
Q4 | $11.9M | Sell |
107,400
-9,100
| -8% | -$930K | 0.01% | 241 |
|
|
2022
Q3 | $10M | Sell |
116,500
-18,400
| -14% | -$1.64M | 0.01% | 251 |
|
|
2022
Q2 | $12.3M | Sell |
134,900
-6,700
| -5% | -$594K | 0.01% | 240 |
|
|
2022
Q1 | $11.6M | Sell |
141,600
-102,100
| -42% | -$8.05M | 0.01% | 255 |
|
|
2021
Q4 | $18.7M | Sell |
243,700
-268,700
| -52% | -$21.4M | 0.01% | 245 |
|
|
2021
Q3 | $38.5M | Sell |
512,400
-8,300
| -2% | -$631K | 0.03% | 207 |
|
|
2021
Q2 | $40.5M | Sell |
520,700
-706,927
| -58% | -$52.6M | 0.03% | 206 |
|
|
2021
Q1 | $90.3M | Sell |
1,227,627
-1,373,299
| -53% | -$101M | 0.06% | 162 |
|
|
2020
Q4 | $203M | Sell |
2,600,926
-166,213
| -6% | -$12.7M | 0.15% | 112 |
|
|
2020
Q3 | $219M | Sell |
2,767,139
-180,361
| -6% | -$14.1M | 0.18% | 102 |
|
|
2020
Q2 | $217M | Sell |
2,947,500
-304,549
| -9% | -$22.9M | 0.19% | 102 |
|
|
2020
Q1 | $239M | Sell |
3,252,049
-315,448
| -9% | -$24.8M | 0.23% | 85 |
|
|
2019
Q4 | $310M | Hold |
3,567,497
| – | – | 0.22% | 94 |
|
|
2019
Q3 | $287M | Sell |
3,567,497
-7,441
| -0.2% | -$596K | 0.23% | 95 |
|
|
2019
Q2 | $286M | Hold |
3,574,938
| – | – | 0.21% | 106 |
|
|
2019
Q1 | $284M | Hold |
3,574,938
| – | – | 0.21% | 104 |
|
|
2018
Q4 | $261M | Hold |
3,574,938
| – | – | 0.21% | 99 |
|
|
2018
Q3 | $242M | Hold |
3,574,938
| – | – | 0.16% | 114 |
|
|
2018
Q2 | $207M | Hold |
3,574,938
| – | – | 0.15% | 115 |
|
|
2018
Q1 | $186M | Sell |
3,574,938
-2,267,733
| -39% | -$122M | 0.14% | 116 |
|
|
2017
Q4 | $314M | Buy |
5,842,671
+155,909
| +3% | +$8.64M | 0.24% | 90 |
|
|
2017
Q3 | $347M | Buy |
5,686,762
+329,910
| +6% | +$20M | 0.29% | 81 |
|
|
2017
Q2 | $328M | Buy |
5,356,852
+247,538
| +5% | +$15.1M | 0.28% | 81 |
|
|
2017
Q1 | $310M | Buy |
5,109,314
+2,008,177
| +65% | +$122M | 0.28% | 79 |
|
|
2016
Q4 | $174M | Sell |
3,101,137
-5,449
| -0.2% | -$319K | 0.17% | 108 |
|
|
2016
Q3 | $185M | Sell |
3,106,586
-3,564
| -0.1% | -$208K | 0.18% | 101 |
|
|
2016
Q2 | $171M | Sell |
3,110,150
-26,304
| -0.8% | -$1.4M | 0.18% | 103 |
|
|
2016
Q1 | $158M | Buy |
3,136,454
+212,534
| +7% | +$10.4M | 0.16% | 105 |
|
|
2015
Q4 | $147M | Buy |
2,923,920
+151,960
| +5% | +$7.66M | 0.15% | 110 |
|
|
2015
Q3 | $131M | Buy |
2,771,960
+631,944
| +30% | +$33.6M | 0.15% | 116 |
|
|
2015
Q2 | $116M | Buy |
2,140,016
+688,536
| +47% | +$38.6M | 0.11% | 130 |
|
|
2015
Q1 | $79.6M | Buy |
1,451,480
+717,880
| +98% | +$40.6M | 0.08% | 149 |
|
|
2014
Q4 | $39.8M | Buy |
+733,600
| New | +$40.9M | 0.04% | 180 |
|
Other funds holding MRK
Primecap Management's MRK Position: Q2 2026 in Review
Primecap Management reduced its Merck (MRK) stake by 0.56% in Q2 2026, selling an estimated $23.4K and leaving 35,700 shares worth $4.59M. The position accounts for ﹤0.01% of the portfolio, ranked #288.
Primecap Management first reported a position in MRK in Q4 2014 and has held it in 47 quarters since. The position peaked at $347M in Q3 2017. 3,820 funds tracked by Wall St. Rank hold MRK as of Q2 2026.
- Primecap Management held 35,700 shares of Merck worth $4.59M as of Q2 2026.
- Primecap Management sold 200 Merck shares in Q2 2026, an estimated $23.4K.
- Merck made up ﹤0.01% of Primecap Management's portfolio in Q2 2026, its #288 holding.
- Primecap Management first reported a position in Merck in Q4 2014 and has held it in 47 quarters since.
- Primecap Management's Merck position peaked at $347M in Q3 2017.
- 3,820 funds tracked by Wall St. Rank held Merck as of Q2 2026.
Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.