Renaissance Technologies's ACM Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 449,977 shares of AECOM (ACM) worth $58.71 M, representing 0.08% of the portfolio. First purchased in 2013-Q4, this long-term strategic position has been held for 48 quarters.
Based on 13F filings since 2013, Renaissance Technologies has maintained a long-term strategic position in ACM, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2019, adding 1.57 M shares. Largest reduction occurred in Q3 2020, reducing 1.52 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's AECOM (ACM) Holding Value Over Time
Track share changes against reported price movement
Quarterly AECOM (ACM) Trades by Renaissance Technologies
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2013 | +365,100 | New Buy | 365,100 | $29.43 |
| Q1 2014 | -365,100 | Sold Out | 365,100 | $0.00 |
| Q3 2014 | +394,800 | New Buy | 394,800 | $33.75 |
| Q4 2014 | -61,223 | Reduce 15.51% | 333,577 | $30.37 |
| Q1 2015 | -333,577 | Sold Out | 333,577 | $0.00 |
| Q4 2016 | +822,977 | New Buy | 822,977 | $36.36 |
| Q1 2017 | -430,300 | Reduce 52.29% | 392,677 | $35.59 |
| Q2 2017 | -332,933 | Reduce 84.79% | 59,744 | $32.34 |
| Q3 2017 | +207,133 | Add 346.70% | 266,877 | $36.81 |
| Q4 2017 | -21,400 | Reduce 8.02% | 245,477 | $37.15 |
| Q1 2018 | -245,477 | Sold Out | 245,477 | $0.00 |
| Q3 2018 | +233,077 | New Buy | 233,077 | $32.66 |
| Q4 2018 | -233,077 | Sold Out | 233,077 | $0.00 |
| Q1 2019 | +408,400 | New Buy | 408,400 | $29.67 |
| Q2 2019 | +571,777 | Add 140.00% | 980,177 | $37.85 |
| Q3 2019 | +631,100 | Add 64.39% | 1.61 M | $37.56 |
| Q4 2019 | +1.57 M | Add 97.33% | 3.18 M | $43.13 |
| Q1 2020 | +1.32 M | Add 41.63% | 4.5 M | $29.85 |
| Q2 2020 | -1.34 M | Reduce 29.71% | 3.17 M | $37.58 |
| Q3 2020 | -1.52 M | Reduce 47.93% | 1.65 M | $41.84 |
| Q4 2020 | -830,125 | Reduce 50.37% | 817,890 | $49.78 |
| Q1 2021 | -482,513 | Reduce 58.99% | 335,377 | $64.11 |
| Q2 2021 | +119,800 | Add 35.72% | 455,177 | $63.32 |
| Q3 2021 | -278,900 | Reduce 61.27% | 176,277 | $63.15 |
| Q4 2021 | -67,100 | Reduce 38.07% | 109,177 | $77.35 |
| Q1 2022 | +34,900 | Add 31.97% | 144,077 | $76.81 |
| Q2 2022 | -144,077 | Sold Out | 144,077 | $0.00 |
| Q4 2022 | +257,977 | New Buy | 257,977 | $0.08 |
| Q1 2023 | -191,300 | Reduce 74.15% | 66,677 | $0.08 |
| Q2 2023 | -66,677 | Sold Out | 66,677 | $0.00 |
| Q3 2023 | +11,577 | New Buy | 11,577 | $83.01 |
| Q4 2023 | +251,000 | Add 2168.09% | 262,577 | $92.43 |
| Q1 2024 | +48,400 | Add 18.43% | 310,977 | $98.08 |
| Q2 2024 | +16,100 | Add 5.18% | 327,077 | $88.14 |
| Q3 2024 | +198,100 | Add 60.57% | 525,177 | $103.27 |
| Q4 2024 | -198,700 | Reduce 37.83% | 326,477 | $106.82 |
| Q1 2025 | +19,900 | Add 6.10% | 346,377 | $92.73 |
| Q2 2025 | -83,650 | Reduce 24.15% | 262,727 | $112.86 |
| Q3 2025 | +187,250 | Add 71.27% | 449,977 | $130.47 |
Renaissance Technologies's AECOM Investment FAQs
Renaissance Technologies first purchased AECOM (ACM) in Q4 2013, acquiring 365,100 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies has held AECOM (ACM) for 48 quarters since Q4 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's largest addition to AECOM (ACM) was in Q4 2019, adding 3,179,477 shares worth $137.13 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 449,977 shares of AECOM (ACM), valued at approximately $58.71 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, AECOM (ACM) represents approximately 0.08% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's peak holding in AECOM (ACM) was 4,503,015 shares, as reported at the end of Q1 2020. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.