REGN US Equity
Regeneron Pharmaceuticals, Inc.Health Care · Pharmaceutical Preparations · CIK 872589 · FY ends Dec 31$840.84
+30.60 (+3.78%)
USD · as of 2026-08-19 · marketstack
Short interest· FINRA consolidated · settlement 2026-07-31
6 settlement cycles| Shares short | 3.4M |
| % of shares out | 3.6% |
| Days to cover | 3.9 |
| Δ vs 2026-07-15 | -3.3% |
bars = shares short · line = days to cover (own scale)
| Settlement | Shares short | Δ vs prior | Avg daily volume | Days to cover |
|---|
| 2026-07-31 | 3,385,841 | -3.3% | 858,662 | 3.9 |
| 2026-07-15 | 3,501,203 | +0.2% | 741,224 | 4.7 |
| 2026-06-30 | 3,494,420 | +5.8% | 1,199,840 | 2.9 |
| 2026-06-15 | 3,304,329 | +10.1% | 968,690 | 3.4 |
| 2026-05-29 | 3,001,968 | +8.0% | 1,532,432 | 2.0 |
| 2026-05-15 | 2,780,809 | -15.0% | 764,041 | 3.6 |
FINRA Rule 4560 · twice monthly, published ~a week later.
Output of a disclosed model — assumptions may be wrong. Research, not investment advice. See the Disclaimer.