Cliff Asness's AMGN Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 218,527 shares of Amgen Inc. (AMGN) worth $71.53 M, representing 0.04% of the portfolio. First purchased in 2012-Q4, this long-term strategic position has been held for 53 quarters.
Based on 13F filings since 2013, Cliff Asness has maintained a long-term strategic position in AMGN, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2017, adding 1.39 M shares. Largest reduction occurred in Q2 2019, reducing 1.07 M shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's Amgen (AMGN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Amgen (AMGN) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +12,743 | Add 6.19% | 218,527 | $327.31 |
| Q3 2025 | -63,476 | Reduce 23.57% | 205,784 | $278.16 |
| Q2 2025 | +177,767 | Add 194.30% | 269,260 | $278.47 |
| Q1 2025 | +46,417 | Add 102.97% | 91,493 | $309.54 |
| Q4 2024 | -75,667 | Reduce 62.67% | 45,076 | $260.63 |
| Q3 2024 | +47,619 | Add 65.12% | 120,743 | $320.94 |
| Q2 2024 | -184,448 | Reduce 71.61% | 73,124 | $312.45 |
| Q1 2024 | -684,325 | Reduce 72.65% | 257,572 | $284.32 |
| Q4 2023 | +144,153 | Add 18.07% | 941,897 | $287.20 |
| Q3 2023 | +87,760 | Add 12.36% | 797,744 | $268.76 |
| Q2 2023 | +63,736 | Add 9.86% | 709,984 | $221.94 |
| Q1 2023 | +39,731 | Add 6.55% | 646,248 | $241.26 |
| Q4 2022 | -18,991 | Reduce 3.04% | 606,517 | $261.70 |
| Q3 2022 | +58,049 | Add 10.23% | 625,508 | $225.40 |
| Q2 2022 | -165,312 | Reduce 22.56% | 567,459 | $241.89 |
| Q1 2022 | -154,224 | Reduce 17.39% | 732,771 | $241.82 |
| Q4 2021 | -297,260 | Reduce 25.10% | 886,995 | $224.97 |
| Q3 2021 | -18,128 | Reduce 1.51% | 1.18 M | $212.65 |
| Q2 2021 | +72,616 | Add 6.43% | 1.2 M | $242.38 |
| Q1 2021 | +70,114 | Add 6.62% | 1.13 M | $248.44 |
| Q4 2020 | -139,105 | Reduce 11.60% | 1.06 M | $226.03 |
| Q3 2020 | -182,304 | Reduce 13.20% | 1.2 M | $250.38 |
| Q2 2020 | -367,555 | Reduce 21.02% | 1.38 M | $232.29 |
| Q1 2020 | +368,603 | Add 26.71% | 1.75 M | $200.92 |
| Q4 2019 | +182,509 | Add 15.24% | 1.38 M | $240.03 |
| Q3 2019 | -496,897 | Reduce 29.33% | 1.2 M | $193.51 |
| Q2 2019 | -1.07 M | Reduce 38.68% | 1.69 M | $184.28 |
| Q1 2019 | -322,075 | Reduce 10.44% | 2.76 M | $189.98 |
| Q4 2018 | +177,493 | Add 6.10% | 3.09 M | $194.67 |
| Q3 2018 | +773,506 | Add 36.25% | 2.91 M | $207.29 |
| Q2 2018 | -764,378 | Reduce 26.37% | 2.13 M | $184.59 |
| Q1 2018 | -743,483 | Reduce 20.41% | 2.9 M | $170.48 |
| Q4 2017 | +714,906 | Add 24.42% | 3.64 M | $173.90 |
| Q3 2017 | +1.39 M | Add 90.31% | 2.93 M | $186.45 |
| Q2 2017 | +94,867 | Add 6.57% | 1.54 M | $172.23 |
| Q1 2017 | +392,538 | Add 37.36% | 1.44 M | $164.07 |
| Q4 2016 | +69,264 | Add 7.06% | 1.05 M | $146.21 |
| Q3 2016 | +28,188 | Add 2.96% | 981,327 | $166.81 |
| Q2 2016 | -319,484 | Reduce 25.10% | 953,139 | $152.15 |
| Q1 2016 | -769,121 | Reduce 37.67% | 1.27 M | $149.93 |
| Q4 2015 | -692,683 | Reduce 25.33% | 2.04 M | $162.33 |
| Q3 2015 | +170,823 | Add 6.66% | 2.73 M | $138.32 |
| Q2 2015 | +751,701 | Add 41.49% | 2.56 M | $153.52 |
| Q1 2015 | +884,162 | Add 95.30% | 1.81 M | $159.85 |
| Q4 2014 | +489,761 | Add 111.82% | 927,741 | $159.29 |
| Q3 2014 | -219,816 | Reduce 33.42% | 437,980 | $140.46 |
| Q2 2014 | -260,220 | Reduce 28.35% | 657,796 | $118.37 |
| Q1 2014 | -561,856 | Reduce 37.97% | 918,016 | $123.34 |
| Q4 2013 | -144,473 | Reduce 8.89% | 1.48 M | $114.16 |
| Q3 2013 | -398,185 | Reduce 19.69% | 1.62 M | $111.94 |
| Q2 2013 | +2.02 M | Add 0.00% | 2.02 M | $98.66 |
| Q4 2012 | +1.72 M | Add 0.00% | 1.72 M | $86.32 |
Cliff Asness's Amgen Investment FAQs
Cliff Asness first purchased Amgen Inc. (AMGN) in Q4 2012, acquiring 1,716,497 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness has held Amgen Inc. (AMGN) for 53 quarters since Q4 2012.
Cliff Asness's largest addition to Amgen Inc. (AMGN) was in Q2 2013, adding 2,022,530 shares worth $199.54 M.
According to the latest 13F filing for Q4 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 218,527 shares of Amgen Inc. (AMGN), valued at approximately $71.53 M.
As of the Q4 2025 filing, Amgen Inc. (AMGN) represents approximately 0.04% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in Amgen Inc. (AMGN) was 3,641,930 shares, as reported at the end of Q4 2017.