REGN short interest
Regeneron Pharmaceuticals Inc. · Healthcare · Biotechnology · settlement date 2026-09-30
| Shares short | 2,150,303 |
|---|---|
| Change vs prior report | -376,143 (-14.9%) |
| Change over six months | -15.6% |
| Days to cover | 2.49 (sector: 3.78) |
| Average daily volume | 863,842 |
| Rank in Healthcare | #677 of 922 by days to cover |
REGN short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 2,150,303 | -14.9% | 2.49 | 863,842 |
| 2026-09-15 | 2,526,446 | -1.0% | 4.42 | 571,271 |
| 2026-08-31 | 2,552,029 | +6.5% | 3.85 | 662,864 |
| 2026-08-14 | 2,396,152 | -29.2% | 3.15 | 760,654 |
| 2026-07-31 | 3,385,841 | -3.3% | 3.94 | 858,662 |
| 2026-07-15 | 3,501,203 | +0.2% | 4.72 | 741,224 |
| 2026-06-30 | 3,494,420 | +5.8% | 2.91 | 1,199,840 |
| 2026-06-15 | 3,304,329 | +10.1% | 3.41 | 968,690 |
| 2026-05-29 | 3,001,968 | +8.0% | 1.96 | 1,532,432 |
| 2026-05-15 | 2,780,809 | -15.0% | 3.64 | 764,041 |
| 2026-04-30 | 3,270,341 | +15.1% | 4.06 | 805,112 |
| 2026-04-15 | 2,841,780 | +11.5% | 4.36 | 651,908 |
| 2026-03-31 | 2,548,311 | +4.0% | 4.22 | 604,079 |
| 2026-03-13 | 2,451,498 | +7.2% | 4.18 | 586,546 |
| 2026-02-27 | 2,286,750 | +11.4% | 3.77 | 606,073 |
| 2026-02-13 | 2,051,997 | -5.7% | 2.49 | 823,603 |
| 2026-01-30 | 2,176,530 | -4.9% | 2.34 | 929,677 |
| 2026-01-15 | 2,289,214 | -7.8% | 2.56 | 894,421 |
| 2025-12-31 | 2,484,091 | -9.3% | 3.30 | 753,196 |
| 2025-12-15 | 2,738,113 | -13.0% | 2.81 | 974,712 |
| 2025-11-28 | 3,148,430 | +10.7% | 2.44 | 1,292,803 |
| 2025-11-14 | 2,844,265 | +1.8% | 2.96 | 960,953 |
| 2025-10-31 | 2,793,459 | -4.6% | 2.75 | 1,014,914 |
| 2025-10-15 | 2,927,169 | +6.0% | 2.46 | 1,188,676 |
| 2025-09-30 | 2,760,203 | -7.5% | 2.36 | 1,168,677 |
import finzdata as yf
yf.Ticker("REGN").short_interest # every report since 2017
yf.Client().short_interest(["REGN"], start="2018-01-01")Healthcare short interest · REGN price history · Who owns REGN · All short interest