Renaissance Technologies (RenTech)'s GOSS Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 145,374 shares of Gossamer Bio, Inc. (GOSS) worth $1.91 M, representing 0.00% of the portfolio. First purchased in 2020-Q1, this long-term strategic position has been held for 22 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in GOSS, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2026, adding 130,151 shares. Largest reduction occurred in Q4 2025, reducing 29,016 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Gossamer Bio (GOSS) Holding Value Over Time
Track share changes against reported price movement
Quarterly Gossamer Bio (GOSS) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +130,151 | Add 854.96% | 145,374 | $13.17 |
| Q1 2026 | +6,987 | Add 84.83% | 15,223 | $26.28 |
| Q4 2025 | -29,016 | Reduce 77.89% | 8,236 | $248.00 |
| Q3 2025 | +3,098 | Add 9.07% | 37,252 | $210.40 |
| Q2 2025 | +14,540 | Add 74.13% | 34,154 | $98.40 |
| Q1 2025 | -1,792 | Reduce 8.37% | 19,614 | $88.00 |
| Q4 2024 | -404 | Reduce 1.85% | 21,406 | $72.37 |
| Q3 2024 | -3,773 | Reduce 14.75% | 21,810 | $78.91 |
| Q2 2024 | +17,188 | Add 204.73% | 25,583 | $72.07 |
| Q1 2024 | -4,068 | Reduce 32.64% | 8,395 | $94.34 |
| Q4 2023 | +997,001 | New Buy | 12,463 | $73.02 |
| Q4 2022 | -448 | Sold Out | 0 | $0.00 |
| Q3 2022 | -413 | Reduce 48.04% | 448 | $957.59 |
| Q2 2022 | -790 | Reduce 47.84% | 861 | $670.15 |
| Q1 2022 | +1,105 | Add 202.29% | 1,651 | $694.73 |
| Q4 2021 | +43,700 | New Buy | 546 | $904.76 |
| Q2 2021 | -1,875 | Sold Out | 0 | $0.00 |
| Q1 2021 | -410 | Reduce 17.94% | 1,875 | $740.27 |
| Q4 2020 | -1,910 | Reduce 45.53% | 2,285 | $773.74 |
| Q3 2020 | -350 | Reduce 7.70% | 4,195 | $992.85 |
| Q2 2020 | +3,327 | Add 273.07% | 4,545 | $1040.04 |
| Q1 2020 | +97,462 | New Buy | 1,218 | $811.99 |
Renaissance Technologies (RenTech)'s Gossamer Bio Investment FAQs
Renaissance Technologies (RenTech) first purchased Gossamer Bio, Inc. (GOSS) in Q1 2020, acquiring 1,218 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 Gossamer Bio, Inc. (GOSS) for 22 quarters since Q1 2020.
Renaissance Technologies (RenTech)'s largest addition to Gossamer Bio, Inc. (GOSS) was in Q4 2023, adding 12,463 shares worth $910,000.
According to the latest 13F filing for Q2 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 145,374 shares of Gossamer Bio, Inc. (GOSS), valued at approximately $1.91 M.
As of the Q2 2026 filing, Gossamer Bio, Inc. (GOSS) 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 Gossamer Bio, Inc. (GOSS) was 145,374 shares, as reported at the end of Q2 2026.