RGEN short interest
Repligen Corporation · Healthcare · Medical - Instruments & Supplies · settlement date 2026-09-30
| Shares short | 7,581,634 |
|---|---|
| Change vs prior report | 868,941 (+12.9%) |
| Change over six months | +36.5% |
| Days to cover | 6.61 (sector: 3.78) |
| Average daily volume | 1,146,770 |
| Rank in Healthcare | #271 of 922 by days to cover |
RGEN short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 7,581,634 | +12.9% | 6.61 | 1,146,770 |
| 2026-09-15 | 6,712,693 | +1.5% | 7.09 | 947,188 |
| 2026-08-31 | 6,612,877 | +8.7% | 6.68 | 990,264 |
| 2026-08-14 | 6,085,313 | -0.8% | 6.44 | 944,670 |
| 2026-07-31 | 6,132,499 | +5.5% | 3.93 | 1,561,230 |
| 2026-07-15 | 5,811,745 | -3.9% | 7.93 | 732,447 |
| 2026-06-30 | 6,048,812 | +5.6% | 4.65 | 1,299,524 |
| 2026-06-15 | 5,726,265 | -4.0% | 6.36 | 900,271 |
| 2026-05-29 | 5,962,038 | +4.7% | 4.89 | 1,218,461 |
| 2026-05-15 | 5,695,614 | +3.5% | 3.87 | 1,471,558 |
| 2026-04-30 | 5,501,852 | +0.3% | 4.98 | 1,105,002 |
| 2026-04-15 | 5,486,281 | -1.3% | 7.02 | 781,416 |
| 2026-03-31 | 5,556,333 | +28.0% | 6.26 | 887,353 |
| 2026-03-13 | 4,340,746 | +8.4% | 4.67 | 930,189 |
| 2026-02-27 | 4,003,984 | -1.1% | 5.05 | 792,897 |
| 2026-02-13 | 4,048,179 | -0.2% | 4.83 | 838,751 |
| 2026-01-30 | 4,054,509 | +3.3% | 6.77 | 598,529 |
| 2026-01-15 | 3,923,966 | -0.2% | 5.67 | 692,097 |
| 2025-12-31 | 3,933,025 | -4.5% | 7.59 | 518,171 |
| 2025-12-15 | 4,120,083 | -4.4% | 6.20 | 664,064 |
| 2025-11-28 | 4,309,467 | +5.5% | 6.32 | 681,820 |
| 2025-11-14 | 4,085,106 | +23.0% | 4.55 | 897,923 |
| 2025-10-31 | 3,320,400 | -1.8% | 2.68 | 1,239,729 |
| 2025-10-15 | 3,382,265 | -0.9% | 3.22 | 1,049,495 |
| 2025-09-30 | 3,414,338 | -3.6% | 3.85 | 887,888 |
import finzdata as yf
yf.Ticker("RGEN").short_interest # every report since 2017
yf.Client().short_interest(["RGEN"], start="2018-01-01")Healthcare short interest · RGEN price history · Who owns RGEN · All short interest