Ownership history in RENAISSANCE TECHNOLOGIES LLC · 65 quarters on record
This page tracks every 13F SEC filing in which RENAISSANCE TECHNOLOGIES LLC reported a position in REPLIGEN CORP COM (RGEN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | ADDED | 109,404 | +43,100 | +65.0% | 0.02% | $14.6M | $133.67 |
| 2025 Q2 | ADDED | 66,304 | +24,100 | +57.1% | 0.01% | $8.2M | $124.38 |
| 2024 Q2 | ADDED | 42,204 | +23,292 | +123.2% | 0.01% | $5.3M | $126.06 |
| 2022 Q3 | REDUCED | 18,912 | -232,804 | -92.5% | 0.01% | $3.5M | $187.11 |
| 2022 Q2 | ADDED | 251,716 | +30,900 | +14.0% | 0.05% | $40.9M | $162.40 |
| 2022 Q1 | ADDED | 220,816 | +44,100 | +25.0% | 0.05% | $41.5M | $188.09 |
| 2021 Q4 | REDUCED | 176,716 | -19,496 | -9.9% | 0.06% | $46.8M | $264.84 |
| 2021 Q3 | REDUCED | 196,212 | -160,004 | -44.9% | 0.07% | $56.7M | $288.99 |
| 2021 Q2 | REDUCED | 356,216 | -105,796 | -22.9% | 0.09% | $71.1M | $199.62 |
| 2021 Q1 | REDUCED | 462,012 | -205,032 | -30.7% | 0.11% | $89.8M | $194.41 |
As of 2025 Q4 — sorted by position size