Renaissance Technologies (RenTech)'s PROK Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 1.25 M shares of ProKidney Corp. (PROK) worth $2.24 M, representing 0.00% of the portfolio. First purchased in 2025-Q3, this short-term holding has been held for 3 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained this position in PROK for several quarters, showing initial confidence in the investment. Largest addition occurred in Q4 2025, adding 763,705 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s ProKidney (PROK) Holding Value Over Time
Track share changes against reported price movement
Quarterly ProKidney (PROK) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +355,089 | Add 39.64% | 1.25 M | $1.79 |
| Q4 2025 | +763,705 | Add 578.56% | 895,705 | $2.24 |
| Q3 2025 | +132,000 | New Buy | 132,000 | $2.42 |
Renaissance Technologies (RenTech)'s ProKidney Investment FAQs
Renaissance Technologies (RenTech) first purchased ProKidney Corp. (PROK) in Q3 2025, acquiring 132,000 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 ProKidney Corp. (PROK) for 3 quarters since Q3 2025.
Renaissance Technologies (RenTech)'s largest addition to ProKidney Corp. (PROK) was in Q4 2025, adding 895,705 shares worth $2.01 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 1,250,794 shares of ProKidney Corp. (PROK), valued at approximately $2.24 M.
As of the Q1 2026 filing, ProKidney Corp. (PROK) 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 ProKidney Corp. (PROK) was 1,250,794 shares, as reported at the end of Q1 2026.