Cliff Asness's AMTM Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 165,205 shares of Amentum Holdings, Inc. (AMTM) worth $3.96 M, representing 0.00% of the portfolio. First purchased in 2024-Q3, this short-term holding has been held for 5 quarters.
Based on 13F filings, Cliff Asness has maintained this position in AMTM for several quarters, showing initial confidence in the investment. Largest addition occurred in Q2 2025, adding 265,846 shares. Largest reduction occurred in Q4 2024, reducing 554,969 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's Amentum Holdings (AMTM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Amentum Holdings (AMTM) Trades by Cliff Asness
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q3 2024 | +639,326 | New Buy | 639,326 | $23.95 |
| Q4 2024 | -554,969 | Reduce 86.81% | 84,357 | $21.03 |
| Q1 2025 | -84,357 | Sold Out | 84,357 | $0.00 |
| Q2 2025 | +350,203 | New Buy | 350,203 | $23.61 |
| Q3 2025 | -184,998 | Reduce 52.83% | 165,205 | $23.95 |
Cliff Asness's Amentum Holdings Investment FAQs
Cliff Asness first purchased Amentum Holdings, Inc. (AMTM) in Q3 2024, acquiring 639,326 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 Amentum Holdings, Inc. (AMTM) for 5 quarters since Q3 2024. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness's largest addition to Amentum Holdings, Inc. (AMTM) was in Q3 2024, adding 639,326 shares worth $15.31 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 165,205 shares of Amentum Holdings, Inc. (AMTM), valued at approximately $3.96 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Amentum Holdings, Inc. (AMTM) represents approximately 0.00% of Cliff Asness'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.
Cliff Asness's peak holding in Amentum Holdings, Inc. (AMTM) was 639,326 shares, as reported at the end of Q3 2024. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.