VRTX short interest
Vertex Pharmaceuticals Incorporated · Healthcare · Biotechnology · settlement date 2026-09-30
| Shares short | 4,503,200 |
|---|---|
| Change vs prior report | -213,667 (-4.5%) |
| Change over six months | +12.0% |
| Days to cover | 4.24 (sector: 3.78) |
| Average daily volume | 1,063,142 |
| Rank in Healthcare | #498 of 922 by days to cover |
VRTX short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 4,503,200 | -4.5% | 4.24 | 1,063,142 |
| 2026-09-15 | 4,716,867 | +1.2% | 5.03 | 938,157 |
| 2026-08-31 | 4,659,749 | +12.4% | 4.51 | 1,032,621 |
| 2026-08-14 | 4,146,973 | +5.2% | 3.09 | 1,343,908 |
| 2026-07-31 | 3,942,936 | -20.9% | 2.99 | 1,318,061 |
| 2026-07-15 | 4,986,691 | +1.0% | 3.10 | 1,607,817 |
| 2026-06-30 | 4,938,472 | +7.0% | 2.01 | 2,454,849 |
| 2026-06-15 | 4,616,968 | +2.8% | 3.82 | 1,209,855 |
| 2026-05-29 | 4,491,490 | +0.7% | 3.19 | 1,406,784 |
| 2026-05-15 | 4,461,773 | +6.9% | 3.64 | 1,224,873 |
| 2026-04-30 | 4,172,829 | -3.8% | 4.31 | 967,590 |
| 2026-04-15 | 4,336,502 | +7.8% | 3.78 | 1,147,800 |
| 2026-03-31 | 4,021,854 | -2.6% | 2.69 | 1,493,484 |
| 2026-03-13 | 4,127,429 | -6.9% | 2.85 | 1,448,625 |
| 2026-02-27 | 4,433,365 | -0.7% | 3.51 | 1,262,692 |
| 2026-02-13 | 4,466,182 | +1.0% | 2.66 | 1,676,321 |
| 2026-01-30 | 4,422,490 | -0.0% | 2.79 | 1,586,405 |
| 2026-01-15 | 4,423,965 | -11.9% | 3.08 | 1,437,372 |
| 2025-12-31 | 5,022,282 | +17.1% | 4.09 | 1,227,594 |
| 2025-12-15 | 4,287,121 | -3.8% | 3.15 | 1,361,317 |
| 2025-11-28 | 4,455,217 | +11.2% | 3.20 | 1,393,814 |
| 2025-11-14 | 4,006,159 | -3.0% | 2.68 | 1,492,462 |
| 2025-10-31 | 4,131,677 | +16.2% | 3.22 | 1,281,366 |
| 2025-10-15 | 3,555,766 | -0.0% | 2.65 | 1,343,866 |
| 2025-09-30 | 3,557,058 | -12.2% | 1.75 | 2,027,132 |
import finzdata as yf
yf.Ticker("VRTX").short_interest # every report since 2017
yf.Client().short_interest(["VRTX"], start="2018-01-01")Healthcare short interest · VRTX price history · Who owns VRTX · All short interest