Cliff Asness's ATYR Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 2.61 M shares of aTyr Pharma, Inc. (ATYR) worth $1.56 M, representing 0.00% of the portfolio. First purchased in 2025-Q4, this short-term holding has been held for 3 quarters.
Based on 13F filings, Cliff Asness has maintained this position in ATYR for several quarters, showing initial confidence in the investment. Largest addition occurred in Q2 2026, adding 2.11 M shares. Largest reduction occurred in Q1 2026, reducing 273,802 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's aTyr Pharma (ATYR) Holding Value Over Time
Track share changes against reported price movement
Quarterly aTyr Pharma (ATYR) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +2.11 M | Add 426.30% | 2.61 M | $0.60 |
| Q1 2026 | -273,802 | Reduce 35.57% | 496,018 | $0.78 |
| Q4 2025 | +769,820 | New Buy | 769,820 | $0.78 |
Cliff Asness's aTyr Pharma Investment FAQs
Cliff Asness first purchased aTyr Pharma, Inc. (ATYR) in Q4 2025, acquiring 769,820 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 aTyr Pharma, Inc. (ATYR) for 3 quarters since Q4 2025.
Cliff Asness's largest addition to aTyr Pharma, Inc. (ATYR) was in Q2 2026, adding 2,610,548 shares worth $1.56 M.
According to the latest 13F filing for Q2 2026, Cliff Asness's firm, Aqr Capital Management LLC, owns 2,610,548 shares of aTyr Pharma, Inc. (ATYR), valued at approximately $1.56 M.
As of the Q2 2026 filing, aTyr Pharma, Inc. (ATYR) represents approximately 0.00% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in aTyr Pharma, Inc. (ATYR) was 2,610,548 shares, as reported at the end of Q2 2026.