Renaissance Technologies (RenTech)'s CLYM Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 320,600 shares of Climb Bio, Inc. (CLYM) worth $1.28 M, representing 0.00% of the portfolio. First purchased in 2023-Q4, this medium-term investment has been held for 9 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in CLYM, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2024, adding 303,700 shares. Largest reduction occurred in Q4 2025, reducing 216,500 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Climb Bio (CLYM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Climb Bio (CLYM) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -216,500 | Reduce 40.31% | 320,600 | $4.00 |
| Q3 2025 | +41,600 | Add 8.40% | 537,100 | $2.01 |
| Q2 2025 | -18,898 | Reduce 3.67% | 495,500 | $1.24 |
| Q1 2025 | +142,098 | Add 38.17% | 514,398 | $1.22 |
| Q4 2024 | +303,700 | Add 442.71% | 372,300 | $1.80 |
| Q3 2024 | +31,600 | Add 85.41% | 68,600 | $5.09 |
| Q2 2024 | +26,383 | Add 248.50% | 37,000 | $7.11 |
| Q1 2024 | +14 | Add 0.13% | 10,617 | $2.73 |
| Q4 2023 | +10,603 | New Buy | 10,603 | $2.74 |
Renaissance Technologies (RenTech)'s Climb Bio Investment FAQs
Renaissance Technologies (RenTech) first purchased Climb Bio, Inc. (CLYM) in Q4 2023, acquiring 10,603 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 Climb Bio, Inc. (CLYM) for 9 quarters since Q4 2023.
Renaissance Technologies (RenTech)'s largest addition to Climb Bio, Inc. (CLYM) was in Q4 2024, adding 372,300 shares worth $670,140.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 320,600 shares of Climb Bio, Inc. (CLYM), valued at approximately $1.28 M.
As of the Q4 2025 filing, Climb Bio, Inc. (CLYM) 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 Climb Bio, Inc. (CLYM) was 537,100 shares, as reported at the end of Q3 2025.