Renaissance Technologies (RenTech)'s BOLD Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 471,570 shares of Boundless Bio, Inc. (BOLD) worth $1.18 M, representing 0.00% of the portfolio. First purchased in 2024-Q2, this medium-term investment has been held for 9 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in BOLD, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2025, adding 117,838 shares. Largest reduction occurred in Q4 2024, reducing 28,700 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Boundless Bio (BOLD) Holding Value Over Time
Track share changes against reported price movement
Quarterly Boundless Bio (BOLD) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +72,570 | Add 18.19% | 471,570 | $2.50 |
| Q1 2026 | +57,600 | Add 16.87% | 399,000 | $1.10 |
| Q4 2025 | +117,838 | Add 52.71% | 341,400 | $1.20 |
| Q3 2025 | +102,562 | Add 84.76% | 223,562 | $1.23 |
| Q2 2025 | +106,600 | Add 740.28% | 121,000 | $1.01 |
| Q1 2025 | +14,400 | New Buy | 14,400 | $1.51 |
| Q4 2024 | -28,700 | Sold Out | 0 | $0.00 |
| Q3 2024 | -16,683 | Reduce 36.76% | 28,700 | $3.47 |
| Q2 2024 | +45,383 | New Buy | 45,383 | $3.87 |
Renaissance Technologies (RenTech)'s Boundless Bio Investment FAQs
Renaissance Technologies (RenTech) first purchased Boundless Bio, Inc. (BOLD) in Q2 2024, acquiring 45,383 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 Boundless Bio, Inc. (BOLD) for 9 quarters since Q2 2024.
Renaissance Technologies (RenTech)'s largest addition to Boundless Bio, Inc. (BOLD) was in Q4 2025, adding 341,400 shares worth $409,680.
According to the latest 13F filing for Q2 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 471,570 shares of Boundless Bio, Inc. (BOLD), valued at approximately $1.18 M.
As of the Q2 2026 filing, Boundless Bio, Inc. (BOLD) 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 Boundless Bio, Inc. (BOLD) was 471,570 shares, as reported at the end of Q2 2026.