Cliff Asness’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 | $1.04B | Sell |
8,134,262
-494,224
| -6% | -$57.8M | 0.36% | 35 |
|
|
2026
Q1 | $1.04B | Sell |
8,628,486
-2,620,877
| -23% | -$303M | 0.48% | 22 |
|
|
2025
Q4 | $1.18B | Buy |
11,249,363
+591,264
| +6% | +$55.5M | 0.62% | 15 |
|
|
2025
Q3 | $851M | Buy |
10,658,099
+1,870,827
| +21% | +$154M | 0.55% | 18 |
|
|
2025
Q2 | $690M | Buy |
8,787,272
+1,029,454
| +13% | +$81.8M | 0.57% | 14 |
|
|
2025
Q1 | $691M | Buy |
7,757,818
+2,380,066
| +44% | +$222M | 0.71% | 10 |
|
|
2024
Q4 | $533M | Buy |
5,377,752
+2,354,723
| +78% | +$243M | 0.69% | 11 |
|
|
2024
Q3 | $343M | Buy |
3,023,029
+811,759
| +37% | +$96.4M | 0.47% | 25 |
|
|
2024
Q2 | $274M | Sell |
2,211,270
-26,990
| -1% | -$3.48M | 0.42% | 33 |
|
|
2024
Q1 | $295M | Sell |
2,238,260
-96,821
| -4% | -$11.9M | 0.5% | 26 |
|
|
2023
Q4 | $254M | Sell |
2,335,081
-212,423
| -8% | -$22M | 0.48% | 32 |
|
|
2023
Q3 | $262M | Sell |
2,547,504
-359,583
| -12% | -$38.8M | 0.54% | 24 |
|
|
2023
Q2 | $332M | Buy |
2,907,087
+94,248
| +3% | +$10.7M | 0.71% | 12 |
|
|
2023
Q1 | $298M | Sell |
2,812,839
-299,967
| -10% | -$32.4M | 0.66% | 16 |
|
|
2022
Q4 | $345M | Sell |
3,112,806
-814,166
| -21% | -$83.2M | 0.79% | 11 |
|
|
2022
Q3 | $338M | Sell |
3,926,972
-188,449
| -5% | -$16.8M | 0.82% | 12 |
|
|
2022
Q2 | $375M | Buy |
4,115,421
+508,923
| +14% | +$45.1M | 0.85% | 10 |
|
|
2022
Q1 | $296M | Sell |
3,606,498
-275,465
| -7% | -$21.7M | 0.56% | 23 |
|
|
2021
Q4 | $298M | Sell |
3,881,963
-967,353
| -20% | -$77M | 0.54% | 27 |
|
|
2021
Q3 | $364M | Sell |
4,849,316
-60,654
| -1% | -$4.61M | 0.68% | 19 |
|
|
2021
Q2 | $380M | Sell |
4,909,970
-1,858,673
| -27% | -$138M | 0.66% | 19 |
|
|
2021
Q1 | $495M | Sell |
6,768,643
-329,966
| -5% | -$24.3M | 0.81% | 17 |
|
|
2020
Q4 | $547M | Sell |
7,098,609
-251,668
| -3% | -$19.2M | 0.97% | 11 |
|
|
2020
Q3 | $576M | Sell |
7,350,277
-524,173
| -7% | -$41.1M | 0.97% | 12 |
|
|
2020
Q2 | $574M | Sell |
7,874,450
-497,236
| -6% | -$37.4M | 0.93% | 11 |
|
|
2020
Q1 | $605M | Buy |
8,371,686
+321,098
| +4% | +$25.2M | 1.02% | 12 |
|
|
2019
Q4 | $696M | Buy |
8,050,588
+340,916
| +4% | +$28M | 0.79% | 13 |
|
|
2019
Q3 | $619M | Sell |
7,709,672
-4,201,993
| -35% | -$337M | 0.73% | 14 |
|
|
2019
Q2 | $953M | Sell |
11,911,665
-1,205,837
| -9% | -$92.3M | 1.06% | 8 |
|
|
2019
Q1 | $1.04B | Sell |
13,117,502
-589,049
| -4% | -$44.1M | 1.1% | 7 |
|
|
2018
Q4 | $999M | Buy |
13,706,551
+5,020,441
| +58% | +$354M | 1.16% | 4 |
|
|
2018
Q3 | $588M | Buy |
8,686,110
+1,882,585
| +28% | +$120M | 0.56% | 36 |
|
|
2018
Q2 | $394M | Sell |
6,803,525
-2,853,781
| -30% | -$161M | 0.4% | 58 |
|
|
2018
Q1 | $507M | Sell |
9,657,306
-632,371
| -6% | -$34.2M | 0.55% | 34 |
|
|
2017
Q4 | $552M | Sell |
10,289,677
-1,562,119
| -13% | -$86.6M | 0.58% | 33 |
|
|
2017
Q3 | $724M | Buy |
11,851,796
+3,134,810
| +36% | +$190M | 0.86% | 7 |
|
|
2017
Q2 | $533M | Buy |
8,716,986
+179,355
| +2% | +$10.9M | 0.71% | 13 |
|
|
2017
Q1 | $518M | Buy |
8,537,631
+1,636,822
| +24% | +$99.3M | 0.69% | 9 |
|
|
2016
Q4 | $388M | Buy |
6,900,809
+1,533,889
| +29% | +$89.8M | 0.53% | 31 |
|
|
2016
Q3 | $320M | Buy |
5,366,920
+858,818
| +19% | +$50.2M | 0.49% | 32 |
|
|
2016
Q2 | $248M | Buy |
4,508,102
+60,132
| +1% | +$3.2M | 0.44% | 41 |
|
|
2016
Q1 | $225M | Sell |
4,447,970
-365,015
| -8% | -$17.9M | 0.4% | 48 |
|
|
2015
Q4 | $243M | Sell |
4,812,985
-2,412,296
| -33% | -$122M | 0.42% | 43 |
|
|
2015
Q3 | $341M | Sell |
7,225,281
-715,150
| -9% | -$38M | 0.68% | 24 |
|
|
2015
Q2 | $431M | Buy |
7,940,431
+89,748
| +1% | +$5.03M | 0.86% | 10 |
|
|
2015
Q1 | $431M | Buy |
7,850,683
+6,415
| +0.1% | +$363K | 0.98% | 5 |
|
|
2014
Q4 | $425M | Buy |
7,844,268
+3,209,599
| +69% | +$179M | 0.89% | 6 |
|
|
2014
Q3 | $262M | Buy |
4,634,669
+1,068,661
| +30% | +$60M | 0.72% | 11 |
|
|
2014
Q2 | $197M | Buy |
3,566,008
+541,188
| +18% | +$29.5M | 0.53% | 23 |
|
|
2014
Q1 | $164M | Buy |
3,024,820
+1,503,497
| +99% | +$77.9M | 0.49% | 32 |
|
|
2013
Q4 | $72.7M | Sell |
1,521,323
-630,999
| -29% | -$28.8M | 0.22% | 116 |
|
|
2013
Q3 | $97.8M | Sell |
2,152,322
-1,349,221
| -39% | -$61.6M | 0.34% | 54 |
|
|
2013
Q2 | $155M | Buy |
+3,501,543
| New | +$156M | 0.55% | 24 |
|
Other funds holding MRK
Cliff Asness's MRK Position: Q2 2026 in Review
Cliff Asness reduced its Merck (MRK) stake by 5.7% in Q2 2026, selling an estimated $57.8M and leaving 8,134,262 shares worth $1.04B. The position accounts for 0.36% of the portfolio, ranked #35.
Cliff Asness first reported a position in MRK in Q2 2013 and has held it in 53 quarters since. The position peaked at $1.18B in Q4 2025. 3,820 funds tracked by Wall St. Rank hold MRK as of Q2 2026.
- Cliff Asness held 8,134,262 shares of Merck worth $1.04B as of Q2 2026.
- Cliff Asness sold 494,224 Merck shares in Q2 2026, an estimated $57.8M.
- Merck made up 0.36% of Cliff Asness's portfolio in Q2 2026, its #35 holding.
- Cliff Asness first reported a position in Merck in Q2 2013 and has held it in 53 quarters since.
- Cliff Asness's Merck position peaked at $1.18B in Q4 2025.
- 3,820 funds tracked by Wall St. Rank held Merck as of Q2 2026.
Based on AQR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.