Renaissance Technologies (RenTech)'s CERT Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 29,600 shares of Certara, Inc. (CERT) worth $260,776, representing 0.00% of the portfolio. First purchased in 2021-Q2, this medium-term investment has been held for 14 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in CERT, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2025, adding 296,800 shares. Largest reduction occurred in Q3 2025, reducing 174,180 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Certara (CERT) Holding Value Over Time
Track share changes against reported price movement
Quarterly Certara (CERT) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -93,020 | Reduce 75.86% | 29,600 | $8.81 |
| Q3 2025 | -174,180 | Reduce 58.69% | 122,620 | $12.22 |
| Q2 2025 | +296,800 | New Buy | 296,800 | $11.70 |
| Q4 2024 | -113,500 | Sold Out | 0 | $0.00 |
| Q3 2024 | +113,500 | New Buy | 113,500 | $11.71 |
| Q2 2023 | -115,900 | Sold Out | 0 | $0.00 |
| Q1 2023 | +21,000 | Add 22.13% | 115,900 | $0.02 |
| Q4 2022 | +67,100 | Add 241.37% | 94,900 | $0.02 |
| Q3 2022 | -2,200 | Reduce 7.33% | 27,800 | $13.27 |
| Q2 2022 | +18,900 | Add 170.27% | 30,000 | $21.47 |
| Q1 2022 | -114,000 | Reduce 91.13% | 11,100 | $21.44 |
| Q4 2021 | -54,000 | Reduce 30.15% | 125,100 | $28.42 |
| Q3 2021 | +87,800 | Add 96.17% | 179,100 | $33.10 |
| Q2 2021 | +91,300 | New Buy | 91,300 | $28.34 |
Renaissance Technologies (RenTech)'s Certara Investment FAQs
Renaissance Technologies (RenTech) first purchased Certara, Inc. (CERT) in Q2 2021, acquiring 91,300 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 Certara, Inc. (CERT) for 14 quarters since Q2 2021.
Renaissance Technologies (RenTech)'s largest addition to Certara, Inc. (CERT) was in Q2 2025, adding 296,800 shares worth $3.47 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 29,600 shares of Certara, Inc. (CERT), valued at approximately $260,776.
As of the Q4 2025 filing, Certara, Inc. (CERT) 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 Certara, Inc. (CERT) was 296,800 shares, as reported at the end of Q2 2025.