Renaissance Technologies (RenTech)'s RGNX Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 305,286 shares of REGENXBIO Inc. (RGNX) worth $2.56 M, representing 0.00% of the portfolio. First purchased in 2018-Q1, this medium-term investment has been held for 20 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in RGNX, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2018, adding 598,443 shares. Largest reduction occurred in Q2 2019, reducing 519,300 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s REGENXBIO (RGNX) Holding Value Over Time
Track share changes against reported price movement
Quarterly REGENXBIO (RGNX) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -27,800 | Reduce 8.35% | 305,286 | $8.38 |
| Q4 2025 | +23,600 | Add 7.63% | 333,086 | $14.40 |
| Q3 2025 | -425,714 | Reduce 57.90% | 309,486 | $9.65 |
| Q2 2025 | +438,400 | Add 147.71% | 735,200 | $8.21 |
| Q1 2025 | +25,500 | Add 9.40% | 296,800 | $7.15 |
| Q4 2024 | +271,300 | New Buy | 271,300 | $7.73 |
| Q2 2024 | -97,500 | Sold Out | 0 | $0.00 |
| Q1 2024 | +77,900 | Add 397.45% | 97,500 | $21.07 |
| Q4 2023 | +19,600 | New Buy | 19,600 | $17.96 |
| Q3 2023 | -27,700 | Sold Out | 0 | $0.00 |
| Q2 2023 | +27,700 | New Buy | 27,700 | $0.02 |
| Q2 2021 | -65,779 | Sold Out | 0 | $0.00 |
| Q1 2021 | +65,779 | New Buy | 65,779 | $34.11 |
| Q3 2019 | -350,441 | Sold Out | 0 | $0.00 |
| Q2 2019 | -519,300 | Reduce 59.71% | 350,441 | $51.37 |
| Q1 2019 | -15,202 | Reduce 1.72% | 869,741 | $57.31 |
| Q4 2018 | +598,443 | Add 208.88% | 884,943 | $41.95 |
| Q3 2018 | +286,500 | New Buy | 286,500 | $75.50 |
| Q2 2018 | -134,200 | Sold Out | 0 | $0.00 |
| Q1 2018 | +134,200 | New Buy | 134,200 | $29.85 |
Renaissance Technologies (RenTech)'s REGENXBIO Investment FAQs
Renaissance Technologies (RenTech) first purchased REGENXBIO Inc. (RGNX) in Q1 2018, acquiring 134,200 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 REGENXBIO Inc. (RGNX) for 20 quarters since Q1 2018.
Renaissance Technologies (RenTech)'s largest addition to REGENXBIO Inc. (RGNX) was in Q4 2018, adding 884,943 shares worth $37.12 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 305,286 shares of REGENXBIO Inc. (RGNX), valued at approximately $2.56 M.
As of the Q1 2026 filing, REGENXBIO Inc. (RGNX) 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 REGENXBIO Inc. (RGNX) was 884,943 shares, as reported at the end of Q4 2018.