Cliff Asness's ACM Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 1.06 M shares of AECOM (ACM) worth $89.6 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 ACM, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2026, adding 890,444 shares. Largest reduction occurred in Q3 2014, reducing 401,836 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's AECOM (ACM) Holding Value Over Time
Track share changes against reported price movement
Quarterly AECOM (ACM) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +890,444 | Add 521.39% | 1.06 M | $84.43 |
| Q4 2025 | -1,460 | Reduce 0.85% | 170,783 | $95.33 |
| Q3 2025 | -199,140 | Reduce 53.62% | 172,243 | $130.26 |
| Q2 2025 | -11,713 | Reduce 3.06% | 371,383 | $112.29 |
| Q1 2025 | -207,864 | Reduce 35.17% | 383,096 | $91.43 |
| Q4 2024 | -33,861 | Reduce 5.42% | 590,960 | $106.82 |
| Q3 2024 | +262,004 | Add 72.21% | 624,821 | $102.70 |
| Q2 2024 | +162,416 | Add 81.05% | 362,817 | $88.14 |
| Q1 2024 | +160,531 | Add 402.64% | 200,401 | $98.08 |
| Q4 2023 | +15,677 | Add 64.80% | 39,870 | $92.43 |
| Q3 2023 | -21,352 | Reduce 46.88% | 24,193 | $83.04 |
| Q2 2023 | -3,385 | Reduce 6.92% | 45,545 | $84.69 |
| Q1 2023 | -16,921 | Reduce 25.70% | 48,930 | $83.87 |
| Q4 2022 | -41,774 | Reduce 38.81% | 65,851 | $84.32 |
| Q3 2022 | -49,951 | Reduce 31.70% | 107,625 | $68.37 |
| Q2 2022 | +18,344 | Add 13.18% | 157,576 | $63.31 |
| Q1 2022 | -18,469 | Reduce 11.71% | 139,232 | $76.81 |
| Q4 2021 | -63,079 | Reduce 28.57% | 157,701 | $77.03 |
| Q3 2021 | +8,221 | Add 3.87% | 220,780 | $63.15 |
| Q2 2021 | +97,954 | Add 85.47% | 212,559 | $63.32 |
| Q1 2021 | +52,487 | Add 84.50% | 114,605 | $64.11 |
| Q4 2020 | -26,366 | Reduce 29.80% | 62,118 | $49.52 |
| Q3 2020 | +17,044 | Add 23.86% | 88,484 | $41.84 |
| Q2 2020 | -86,634 | Reduce 54.81% | 71,440 | $37.28 |
| Q1 2020 | -70,457 | Reduce 30.83% | 158,074 | $29.85 |
| Q4 2019 | +193,028 | Add 543.69% | 228,531 | $43.13 |
| Q3 2019 | +19,307 | Add 119.21% | 35,503 | $37.55 |
| Q2 2019 | +16,196 | New Buy | 16,196 | $37.85 |
| Q4 2018 | -20,137 | Sold Out | 0 | $0.00 |
| Q3 2018 | -519 | Reduce 2.51% | 20,137 | $32.68 |
| Q2 2018 | +20,656 | New Buy | 20,656 | $33.02 |
| Q1 2018 | -18,679 | Sold Out | 0 | $0.00 |
| Q4 2017 | +4,999 | Add 36.54% | 18,679 | $37.15 |
| Q3 2017 | +5,667 | Add 70.72% | 13,680 | $36.84 |
| Q2 2017 | -171,084 | Reduce 95.53% | 8,013 | $32.32 |
| Q1 2017 | +126,400 | Add 239.86% | 179,097 | $35.59 |
| Q4 2016 | +23,774 | Add 82.20% | 52,697 | $36.36 |
| Q3 2016 | -7,929 | Reduce 21.52% | 28,923 | $29.73 |
| Q2 2016 | +5,287 | Add 16.75% | 36,852 | $31.78 |
| Q1 2016 | -3,378 | Reduce 9.67% | 31,565 | $30.79 |
| Q4 2015 | -64,049 | Reduce 64.70% | 34,943 | $30.02 |
| Q3 2015 | -74,438 | Reduce 42.92% | 98,992 | $27.51 |
| Q2 2015 | -89,994 | Reduce 34.16% | 173,430 | $33.08 |
| Q1 2015 | -246,900 | Reduce 48.38% | 263,424 | $30.82 |
| Q4 2014 | -292,031 | Reduce 36.40% | 510,324 | $30.37 |
| Q3 2014 | -401,836 | Reduce 33.37% | 802,355 | $33.75 |
| Q2 2014 | -63,500 | Reduce 5.01% | 1.2 M | $32.20 |
| Q1 2014 | -205,000 | Reduce 13.92% | 1.27 M | $32.17 |
| Q4 2013 | +195,879 | Add 15.34% | 1.47 M | $29.43 |
| Q3 2013 | +70,134 | Add 5.81% | 1.28 M | $31.27 |
| Q2 2013 | +1.21 M | Add 0.00% | 1.21 M | $31.79 |
| Q4 2012 | +986,347 | Add 0.00% | 986,347 | $23.80 |
Cliff Asness's AECOM Investment FAQs
Cliff Asness first purchased AECOM (ACM) in Q4 2012, acquiring 986,347 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 AECOM (ACM) for 53 quarters since Q4 2012.
Cliff Asness's largest addition to AECOM (ACM) was in Q2 2013, adding 1,206,678 shares worth $38.36 M.
According to the latest 13F filing for Q1 2026, Cliff Asness's firm, Aqr Capital Management LLC, owns 1,061,227 shares of AECOM (ACM), valued at approximately $89.6 M.
As of the Q1 2026 filing, AECOM (ACM) 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 AECOM (ACM) was 1,472,691 shares, as reported at the end of Q4 2013.