Renaissance Technologies (RenTech)'s HOWL Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 516,218 shares of Werewolf Therapeutics, Inc. (HOWL) worth $429,803, representing 0.00% of the portfolio. First purchased in 2022-Q2, this medium-term investment has been held for 16 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in HOWL, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2025, adding 252,400 shares. Largest reduction occurred in Q1 2026, reducing 161,548 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Werewolf Therapeutics (HOWL) Holding Value Over Time
Track share changes against reported price movement
Quarterly Werewolf Therapeutics (HOWL) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -161,548 | Reduce 23.84% | 516,218 | $0.83 |
| Q4 2025 | +221,766 | Add 48.63% | 677,766 | $0.63 |
| Q3 2025 | +139,700 | Add 44.17% | 456,000 | $1.97 |
| Q2 2025 | +252,400 | Add 394.99% | 316,300 | $1.09 |
| Q1 2025 | +7,000 | Add 12.30% | 63,900 | $0.97 |
| Q4 2024 | -95,300 | Reduce 62.61% | 56,900 | $1.48 |
| Q3 2024 | -18,800 | Reduce 10.99% | 152,200 | $2.12 |
| Q2 2024 | +86,800 | Add 103.09% | 171,000 | $2.44 |
| Q1 2024 | -23,306 | Reduce 21.68% | 84,200 | $6.48 |
| Q4 2023 | +62,306 | Add 137.85% | 107,506 | $3.86 |
| Q3 2023 | +2,300 | Add 5.36% | 45,200 | $2.15 |
| Q2 2023 | +8,800 | Add 25.81% | 42,900 | $0.00 |
| Q1 2023 | -44,123 | Reduce 56.41% | 34,100 | $0.00 |
| Q4 2022 | +59,923 | Add 327.45% | 78,223 | $0.00 |
| Q3 2022 | +1,500 | Add 8.93% | 18,300 | $4.54 |
| Q2 2022 | +16,800 | New Buy | 16,800 | $4.11 |
Renaissance Technologies (RenTech)'s Werewolf Therapeutics Investment FAQs
Renaissance Technologies (RenTech) first purchased Werewolf Therapeutics, Inc. (HOWL) in Q2 2022, acquiring 16,800 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 Werewolf Therapeutics, Inc. (HOWL) for 16 quarters since Q2 2022.
Renaissance Technologies (RenTech)'s largest addition to Werewolf Therapeutics, Inc. (HOWL) was in Q2 2025, adding 316,300 shares worth $344,767.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 516,218 shares of Werewolf Therapeutics, Inc. (HOWL), valued at approximately $429,803.
As of the Q1 2026 filing, Werewolf Therapeutics, Inc. (HOWL) 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 Werewolf Therapeutics, Inc. (HOWL) was 677,766 shares, as reported at the end of Q4 2025.