Chuck Royce's RGEN Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 146,973 shares of Repligen Corporation (RGEN) worth $24.08 M, representing 0.24% of the portfolio. First purchased in 2016-Q1, this long-term strategic position has been held for 23 quarters.
Based on 13F filings, Chuck Royce has maintained a strategic position in RGEN, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2022, adding 90,200 shares. Largest reduction occurred in Q4 2016, reducing 101,000 shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's Repligen Corporation (RGEN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Repligen Corporation (RGEN) Trades by Chuck Royce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -1,685 | Reduce 1.13% | 146,973 | $163.86 |
| Q3 2025 | +59,136 | Add 66.06% | 148,658 | $133.67 |
| Q2 2025 | +89,522 | New Buy | 89,522 | $124.38 |
| Q2 2023 | -10,739 | Sold Out | 0 | $0.00 |
| Q1 2023 | -81,700 | Reduce 88.38% | 10,739 | $168.36 |
| Q4 2022 | -7,655 | Reduce 7.65% | 92,439 | $169.31 |
| Q3 2022 | -27,125 | Reduce 21.32% | 100,094 | $187.11 |
| Q2 2022 | +37,019 | Add 41.04% | 127,219 | $162.40 |
| Q1 2022 | +90,200 | New Buy | 90,200 | $188.09 |
| Q2 2019 | -502 | Sold Out | 0 | $0.00 |
| Q1 2019 | +145 | Add 40.62% | 502 | $59.76 |
| Q4 2018 | -27,096 | Reduce 98.70% | 357 | $53.22 |
| Q3 2018 | +106 | Add 0.39% | 27,453 | $55.48 |
| Q2 2018 | +98 | Add 0.36% | 27,347 | $47.03 |
| Q1 2018 | -2 | Reduce 0.01% | 27,249 | $36.18 |
| Q4 2017 | -52,898 | Reduce 66.00% | 27,251 | $36.29 |
| Q3 2017 | +10,149 | Add 14.50% | 80,149 | $38.32 |
| Q1 2017 | -28,000 | Reduce 28.57% | 70,000 | $35.20 |
| Q4 2016 | -101,000 | Reduce 50.75% | 98,000 | $30.82 |
| Q3 2016 | +40,000 | Add 25.16% | 199,000 | $30.19 |
| Q2 2016 | +59,000 | Add 59.00% | 159,000 | $27.36 |
| Q1 2016 | +100,000 | New Buy | 100,000 | $26.82 |
Chuck Royce's Repligen Corporation Investment FAQs
Chuck Royce first purchased Repligen Corporation (RGEN) in Q1 2016, acquiring 100,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held Repligen Corporation (RGEN) for 23 quarters since Q1 2016.
Chuck Royce's largest addition to Repligen Corporation (RGEN) was in Q1 2016, adding 100,000 shares worth $2.68 M.
According to the latest 13F filing for Q4 2025, Chuck Royce's firm, Royce & Associates Lp, owns 146,973 shares of Repligen Corporation (RGEN), valued at approximately $24.08 M.
As of the Q4 2025 filing, Repligen Corporation (RGEN) represents approximately 0.24% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings.
Chuck Royce's peak holding in Repligen Corporation (RGEN) was 199,000 shares, as reported at the end of Q3 2016.