PACB short interest
Pacific Biosciences of California Inc. · Healthcare · Medical - Devices · settlement date 2026-09-30
| Shares short | 47,224,448 |
|---|---|
| Change vs prior report | -1,667,777 (-3.4%) |
| Change over six months | +3.5% |
| Days to cover | 2.97 (sector: 3.78) |
| Average daily volume | 15,907,977 |
| Rank in Healthcare | #634 of 922 by days to cover |
PACB short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 47,224,448 | -3.4% | 2.97 | 15,907,977 |
| 2026-09-15 | 48,892,225 | -1.4% | 10.49 | 4,660,230 |
| 2026-08-31 | 49,578,770 | -7.2% | 6.75 | 7,342,641 |
| 2026-08-14 | 53,412,027 | +9.0% | 6.63 | 8,056,891 |
| 2026-07-31 | 49,004,841 | +6.0% | 7.35 | 6,666,706 |
| 2026-07-15 | 46,237,636 | -2.6% | 9.97 | 4,638,329 |
| 2026-06-30 | 47,490,204 | -21.6% | 6.51 | 7,291,153 |
| 2026-06-15 | 60,560,138 | +24.3% | 10.17 | 5,954,109 |
| 2026-05-29 | 48,707,384 | -18.7% | 8.57 | 5,684,330 |
| 2026-05-15 | 59,926,798 | +27.3% | 9.02 | 6,645,578 |
| 2026-04-30 | 47,090,593 | +1.6% | 7.04 | 6,688,960 |
| 2026-04-15 | 46,364,406 | +1.6% | 8.42 | 5,505,784 |
| 2026-03-31 | 45,631,632 | +10.2% | 8.41 | 5,428,096 |
| 2026-03-13 | 41,388,621 | +8.4% | 6.56 | 6,304,987 |
| 2026-02-27 | 38,191,242 | -1.9% | 7.14 | 5,352,300 |
| 2026-02-13 | 38,916,811 | +9.3% | 5.27 | 7,386,819 |
| 2026-01-30 | 35,591,593 | +1.4% | 4.25 | 8,377,033 |
| 2026-01-15 | 35,091,747 | +3.2% | 4.00 | 8,781,846 |
| 2025-12-31 | 34,003,835 | -0.8% | 5.31 | 6,403,082 |
| 2025-12-15 | 34,259,532 | +0.6% | 5.45 | 6,286,336 |
| 2025-11-28 | 34,042,917 | +1.4% | 3.08 | 11,064,220 |
| 2025-11-14 | 33,569,699 | +3.3% | 3.62 | 9,267,258 |
| 2025-10-31 | 32,511,384 | -5.8% | 2.86 | 11,362,122 |
| 2025-10-15 | 34,508,178 | -9.1% | 4.11 | 8,397,808 |
| 2025-09-30 | 37,967,832 | -16.6% | 5.81 | 6,535,511 |
import finzdata as yf
yf.Ticker("PACB").short_interest # every report since 2017
yf.Client().short_interest(["PACB"], start="2018-01-01")Healthcare short interest · PACB price history · Who owns PACB · All short interest