Renaissance Technologies (RenTech)'s ACET Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 265,945 shares of Adicet Bio, Inc. (ACET) worth $2.3 M, representing 0.00% of the portfolio. First purchased in 2021-Q1, this long-term strategic position has been held for 21 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in ACET, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2025, adding 128,636 shares. Largest reduction occurred in Q4 2024, reducing 19,694 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Adicet Bio (ACET) Holding Value Over Time
Track share changes against reported price movement
Quarterly Adicet Bio (ACET) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +33,354 | Add 14.34% | 265,945 | $8.64 |
| Q1 2026 | -10,354 | Reduce 4.26% | 232,591 | $6.81 |
| Q4 2025 | +128,636 | Add 112.53% | 242,945 | $8.42 |
| Q3 2025 | +42,195 | Add 58.51% | 114,309 | $12.96 |
| Q2 2025 | +21,445 | Add 42.32% | 72,114 | $9.76 |
| Q1 2025 | -6,612 | Reduce 11.54% | 50,669 | $12.08 |
| Q4 2024 | -19,694 | Reduce 25.58% | 57,281 | $15.39 |
| Q3 2024 | -17,563 | Reduce 18.58% | 76,975 | $23.04 |
| Q2 2024 | +28,976 | Add 44.20% | 94,538 | $19.36 |
| Q1 2024 | +17,650 | Add 36.84% | 65,562 | $37.60 |
| Q4 2023 | +5,600 | Add 13.24% | 47,912 | $30.24 |
| Q3 2023 | +29,162 | Add 221.76% | 42,312 | $21.91 |
| Q2 2023 | -6,588 | Reduce 33.38% | 13,150 | $0.04 |
| Q1 2023 | +17,882 | Add 963.47% | 19,738 | $0.09 |
| Q4 2022 | +1,856 | New Buy | 1,856 | $0.14 |
| Q3 2022 | -7,844 | Sold Out | 0 | $0.00 |
| Q2 2022 | +7,844 | New Buy | 7,844 | $233.55 |
| Q4 2021 | -2,639 | Sold Out | 0 | $0.00 |
| Q3 2021 | -2,467 | Reduce 48.32% | 2,639 | $125.43 |
| Q2 2021 | +3,850 | Add 306.53% | 5,106 | $164.71 |
| Q1 2021 | +1,256 | New Buy | 1,256 | $209.39 |
Renaissance Technologies (RenTech)'s Adicet Bio Investment FAQs
Renaissance Technologies (RenTech) first purchased Adicet Bio, Inc. (ACET) in Q1 2021, acquiring 1,256 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 (RenTech) has held Adicet Bio, Inc. (ACET) for 21 quarters since Q1 2021.
Renaissance Technologies (RenTech)'s largest addition to Adicet Bio, Inc. (ACET) was in Q4 2025, adding 242,945 shares worth $2.05 M.
According to the latest 13F filing for Q2 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 265,945 shares of Adicet Bio, Inc. (ACET), valued at approximately $2.3 M.
As of the Q2 2026 filing, Adicet Bio, Inc. (ACET) represents approximately 0.00% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Adicet Bio, Inc. (ACET) was 265,945 shares, as reported at the end of Q2 2026.