PFE short interest
Pfizer Inc. · Healthcare · Drug Manufacturers - General · settlement date 2026-09-30
| Shares short | 150,217,617 |
|---|---|
| Change vs prior report | -4,984,640 (-3.2%) |
| Change over six months | +13.4% |
| Days to cover | 4.41 (sector: 3.78) |
| Average daily volume | 34,031,762 |
| Rank in Healthcare | #473 of 922 by days to cover |
PFE short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 150,217,617 | -3.2% | 4.41 | 34,031,762 |
| 2026-09-15 | 155,202,257 | +2.4% | 4.90 | 31,657,403 |
| 2026-08-31 | 151,537,890 | +1.5% | 4.33 | 35,022,905 |
| 2026-08-14 | 149,271,132 | -7.6% | 3.53 | 42,256,400 |
| 2026-07-31 | 161,478,227 | -1.4% | 4.18 | 38,594,371 |
| 2026-07-15 | 163,820,439 | +0.1% | 3.83 | 42,807,581 |
| 2026-06-30 | 163,578,117 | +0.9% | 2.69 | 60,914,282 |
| 2026-06-15 | 162,075,723 | -0.4% | 4.60 | 35,201,004 |
| 2026-05-29 | 162,659,281 | +3.3% | 4.96 | 32,807,683 |
| 2026-05-15 | 157,459,584 | +12.2% | 4.12 | 38,197,706 |
| 2026-04-30 | 140,316,585 | +5.2% | 4.01 | 35,018,455 |
| 2026-04-15 | 133,414,052 | +0.7% | 3.99 | 33,400,197 |
| 2026-03-31 | 132,465,697 | +0.8% | 3.08 | 43,043,658 |
| 2026-03-13 | 131,409,882 | -8.0% | 3.25 | 40,476,968 |
| 2026-02-27 | 142,846,663 | -2.4% | 4.07 | 35,102,643 |
| 2026-02-13 | 146,379,047 | +2.3% | 2.52 | 58,100,251 |
| 2026-01-30 | 143,036,062 | +10.2% | 2.78 | 51,541,353 |
| 2026-01-15 | 129,801,593 | -0.2% | 2.73 | 47,505,184 |
| 2025-12-31 | 130,020,324 | -6.8% | 2.74 | 47,481,814 |
| 2025-12-15 | 139,486,093 | +0.3% | 2.97 | 46,900,267 |
| 2025-11-28 | 139,072,627 | +6.4% | 2.50 | 55,545,625 |
| 2025-11-14 | 130,660,363 | +3.2% | 1.04 | 126,043,706 |
| 2025-10-31 | 126,587,750 | +8.4% | 2.13 | 59,344,065 |
| 2025-10-15 | 116,815,571 | +2.5% | 1.84 | 63,461,564 |
| 2025-09-30 | 113,954,344 | +0.9% | 1.88 | 60,455,578 |
import finzdata as yf
yf.Ticker("PFE").short_interest # every report since 2017
yf.Client().short_interest(["PFE"], start="2018-01-01")Healthcare short interest · PFE price history · Who owns PFE · All short interest