Cliff Asness’s Amgen AMGN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $108M | Buy |
300,007
+147,785
| +97% | +$50.6M | 0.04% | 592 |
|
|
2026
Q1 | $53.6M | Sell |
152,222
-66,305
| -30% | -$23.6M | 0.02% | 706 |
|
|
2025
Q4 | $71.5M | Buy |
218,527
+12,743
| +6% | +$4.04M | 0.04% | 562 |
|
|
2025
Q3 | $57.2M | Sell |
205,784
-63,476
| -24% | -$18.4M | 0.04% | 566 |
|
|
2025
Q2 | $75M | Buy |
269,260
+177,767
| +194% | +$50.4M | 0.06% | 434 |
|
|
2025
Q1 | $28.3M | Buy |
91,493
+46,417
| +103% | +$13.7M | 0.03% | 613 |
|
|
2024
Q4 | $11.7M | Sell |
45,076
-75,667
| -63% | -$22.4M | 0.02% | 786 |
|
|
2024
Q3 | $38.8M | Buy |
120,743
+47,619
| +65% | +$15.6M | 0.05% | 442 |
|
|
2024
Q2 | $22.8M | Sell |
73,124
-184,448
| -72% | -$54.2M | 0.04% | 532 |
|
|
2024
Q1 | $73.2M | Sell |
257,572
-684,325
| -73% | -$200M | 0.12% | 196 |
|
|
2023
Q4 | $271M | Buy |
941,897
+144,153
| +18% | +$39.3M | 0.51% | 28 |
|
|
2023
Q3 | $214M | Buy |
797,744
+87,760
| +12% | +$21.9M | 0.44% | 41 |
|
|
2023
Q2 | $158M | Buy |
709,984
+63,736
| +10% | +$14.8M | 0.33% | 61 |
|
|
2023
Q1 | $156M | Buy |
646,248
+39,731
| +7% | +$9.75M | 0.34% | 57 |
|
|
2022
Q4 | $159M | Sell |
606,517
-18,991
| -3% | -$5.09M | 0.36% | 50 |
|
|
2022
Q3 | $141M | Buy |
625,508
+58,049
| +10% | +$14.1M | 0.34% | 53 |
|
|
2022
Q2 | $137M | Sell |
567,459
-165,312
| -23% | -$40.5M | 0.31% | 65 |
|
|
2022
Q1 | $177M | Sell |
732,771
-154,224
| -17% | -$35.4M | 0.34% | 53 |
|
|
2021
Q4 | $200M | Sell |
886,995
-297,260
| -25% | -$62.7M | 0.36% | 56 |
|
|
2021
Q3 | $252M | Sell |
1,184,255
-18,128
| -2% | -$4.17M | 0.47% | 32 |
|
|
2021
Q2 | $291M | Buy |
1,202,383
+72,616
| +6% | +$17.9M | 0.5% | 29 |
|
|
2021
Q1 | $281M | Buy |
1,129,767
+70,114
| +7% | +$16.7M | 0.46% | 41 |
|
|
2020
Q4 | $240M | Sell |
1,059,653
-139,105
| -12% | -$32.1M | 0.42% | 47 |
|
|
2020
Q3 | $300M | Sell |
1,198,758
-182,304
| -13% | -$45.2M | 0.51% | 33 |
|
|
2020
Q2 | $321M | Sell |
1,381,062
-367,555
| -21% | -$83.9M | 0.52% | 31 |
|
|
2020
Q1 | $351M | Buy |
1,748,617
+368,603
| +27% | +$80.5M | 0.59% | 29 |
|
|
2019
Q4 | $331M | Buy |
1,380,014
+182,509
| +15% | +$40.2M | 0.38% | 64 |
|
|
2019
Q3 | $232M | Sell |
1,197,505
-496,897
| -29% | -$95.4M | 0.27% | 96 |
|
|
2019
Q2 | $312M | Sell |
1,694,402
-1,068,591
| -39% | -$191M | 0.35% | 73 |
|
|
2019
Q1 | $525M | Sell |
2,762,993
-322,075
| -10% | -$61.5M | 0.56% | 27 |
|
|
2018
Q4 | $601M | Buy |
3,085,068
+177,493
| +6% | +$34.6M | 0.7% | 24 |
|
|
2018
Q3 | $603M | Buy |
2,907,575
+773,506
| +36% | +$152M | 0.58% | 35 |
|
|
2018
Q2 | $394M | Sell |
2,134,069
-764,378
| -26% | -$135M | 0.4% | 59 |
|
|
2018
Q1 | $494M | Sell |
2,898,447
-743,483
| -20% | -$136M | 0.53% | 36 |
|
|
2017
Q4 | $633M | Buy |
3,641,930
+714,906
| +24% | +$127M | 0.66% | 25 |
|
|
2017
Q3 | $546M | Buy |
2,927,024
+1,389,028
| +90% | +$246M | 0.65% | 23 |
|
|
2017
Q2 | $265M | Buy |
1,537,996
+94,867
| +7% | +$15.4M | 0.35% | 69 |
|
|
2017
Q1 | $237M | Buy |
1,443,129
+392,538
| +37% | +$65.2M | 0.31% | 75 |
|
|
2016
Q4 | $154M | Buy |
1,050,591
+69,264
| +7% | +$10.4M | 0.21% | 125 |
|
|
2016
Q3 | $164M | Buy |
981,327
+28,188
| +3% | +$4.77M | 0.25% | 91 |
|
|
2016
Q2 | $145M | Sell |
953,139
-319,484
| -25% | -$49.7M | 0.26% | 98 |
|
|
2016
Q1 | $191M | Sell |
1,272,623
-769,121
| -38% | -$114M | 0.34% | 63 |
|
|
2015
Q4 | $331M | Sell |
2,041,744
-692,683
| -25% | -$109M | 0.58% | 23 |
|
|
2015
Q3 | $378M | Buy |
2,734,427
+170,823
| +7% | +$26.9M | 0.76% | 13 |
|
|
2015
Q2 | $394M | Buy |
2,563,604
+751,701
| +41% | +$120M | 0.78% | 13 |
|
|
2015
Q1 | $290M | Buy |
1,811,903
+884,162
| +95% | +$139M | 0.66% | 24 |
|
|
2014
Q4 | $148M | Buy |
927,741
+489,761
| +112% | +$76.3M | 0.31% | 81 |
|
|
2014
Q3 | $61.5M | Sell |
437,980
-219,816
| -33% | -$28.7M | 0.17% | 158 |
|
|
2014
Q2 | $77.9M | Sell |
657,796
-260,220
| -28% | -$30.1M | 0.21% | 131 |
|
|
2014
Q1 | $113M | Sell |
918,016
-561,856
| -38% | -$68.1M | 0.34% | 58 |
|
|
2013
Q4 | $169M | Sell |
1,479,872
-144,473
| -9% | -$16.4M | 0.5% | 28 |
|
|
2013
Q3 | $182M | Sell |
1,624,345
-398,185
| -20% | -$43.2M | 0.64% | 12 |
|
|
2013
Q2 | $200M | Buy |
+2,022,530
| New | +$210M | 0.71% | 9 |
|
Other funds holding AMGN
Cliff Asness's AMGN Position: Q2 2026 in Review
Cliff Asness increased its Amgen (AMGN) stake by 97% in Q2 2026, buying an estimated $50.6M and bringing the position to 300,007 shares worth $108M. The position accounts for 0.04% of the portfolio, ranked #592.
Cliff Asness first reported a position in AMGN in Q2 2013 and has held it in 53 quarters since. The position peaked at $633M in Q4 2017. 3,137 funds tracked by Wall St. Rank hold AMGN as of Q2 2026.
- Cliff Asness held 300,007 shares of Amgen worth $108M as of Q2 2026.
- Cliff Asness bought 147,785 Amgen shares in Q2 2026, an estimated $50.6M.
- Amgen made up 0.04% of Cliff Asness's portfolio in Q2 2026, its #592 holding.
- Cliff Asness first reported a position in Amgen in Q2 2013 and has held it in 53 quarters since.
- Cliff Asness's Amgen position peaked at $633M in Q4 2017.
- 3,137 funds tracked by Wall St. Rank held Amgen as of Q2 2026.
Based on AQR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.