RGEN
REPLIGEN CORPCompany with tickers: RGEN
CIK
730272
CUSIP
759916109
Shares Outstanding
56,399,274
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-03-31 | 5,556,333 | 4,340,746 | +1,215,587 | 6.26 |
| 2026-03-13 | 4,340,746 | 4,003,984 | +336,762 | 4.67 |
| 2026-02-27 | 4,003,984 | 4,048,179 | -44,195 | 5.05 |
| 2026-02-13 | 4,048,179 | 4,054,509 | -6,330 | 4.83 |
| 2026-01-30 | 4,054,509 | 3,923,966 | +130,543 | 6.77 |
| 2026-01-15 | 3,923,966 | 3,933,025 | -9,059 | 5.67 |
| 2025-12-31 | 3,933,025 | 4,120,083 | -187,058 | 7.59 |
| 2025-12-15 | 4,120,083 | 4,309,467 | -189,384 | 6.20 |
| 2025-11-28 | 4,309,467 | 4,085,106 | +224,361 | 6.32 |
| 2025-11-14 | 4,085,106 | 3,320,400 | +764,706 | 4.55 |
| 2025-10-31 | 3,320,400 | 3,382,265 | -61,865 | 2.68 |
| 2025-10-15 | 3,382,265 | 3,414,338 | -32,073 | 3.22 |
| 2025-09-30 | 3,414,338 | 3,541,604 | -127,266 | 3.85 |
| 2025-09-15 | 3,541,604 | 3,624,017 | -82,413 | 4.87 |
| 2025-08-29 | 3,624,017 | 3,898,921 | -274,904 | 5.44 |
| 2025-08-15 | 3,898,921 | 3,636,755 | +262,166 | 5.03 |
| 2025-07-31 | 3,636,755 | 3,398,315 | +238,440 | 3.07 |
| 2025-07-15 | 3,398,315 | 3,765,995 | -367,680 | 5.83 |
| 2025-06-30 | 3,765,995 | 3,391,049 | +374,946 | 4.38 |
| 2025-06-13 | 3,391,049 | 3,447,724 | -56,675 | 5.16 |
| 2025-05-30 | 3,447,724 | 3,398,902 | +48,822 | 4.43 |
| 2025-05-15 | 3,398,902 | 3,436,714 | -37,812 | 4.43 |
| 2025-04-30 | 3,436,714 | 3,242,252 | +194,462 | 3.75 |
| 2025-04-15 | 3,242,252 | 3,541,391 | -299,139 | 3.04 |