ACIU
AC Immune SACompany with tickers: ACIU
CIK
1651625
CUSIP
H00263105
Shares Outstanding
101,773,573
13F Activity (30d)
43 filings
41 filers
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-15 | 3,226,453 | 3,034,113 | +192,340 | 10.12 |
| 2026-04-30 | 3,034,113 | 2,933,523 | +100,590 | 12.91 |
| 2026-04-15 | 2,933,523 | 2,964,467 | -30,944 | 10.01 |
| 2026-03-31 | 2,964,467 | 3,091,859 | -127,392 | 14.59 |
| 2026-03-13 | 3,091,859 | 3,316,141 | -224,282 | 9.28 |
| 2026-02-27 | 3,316,141 | 3,235,563 | +80,578 | 9.42 |
| 2026-02-13 | 3,235,563 | 3,298,620 | -63,057 | 13.09 |
| 2026-01-30 | 3,298,620 | 3,250,814 | +47,806 | 10.69 |
| 2026-01-15 | 3,250,814 | 3,346,927 | -96,113 | 6.27 |
| 2025-12-31 | 3,346,927 | 3,593,227 | -246,300 | 10.55 |
| 2025-12-15 | 3,593,227 | 1,848,164 | +1,745,063 | 1.63 |
| 2025-11-28 | 1,848,164 | 1,618,509 | +229,655 | 8.02 |
| 2025-11-14 | 1,618,509 | 1,612,940 | +5,569 | 6.99 |
| 2025-10-31 | 1,612,940 | 1,576,999 | +35,941 | 3.61 |
| 2025-10-15 | 1,576,999 | 1,640,120 | -63,121 | 3.55 |
| 2025-09-30 | 1,640,120 | 1,577,354 | +62,766 | 9.72 |
| 2025-09-15 | 1,577,354 | 1,477,620 | +99,734 | 8.83 |
| 2025-08-29 | 1,477,620 | 1,492,769 | -15,149 | 16.89 |
| 2025-08-15 | 1,492,769 | 1,492,441 | +328 | 11.56 |
| 2025-07-31 | 1,492,441 | 1,401,693 | +90,748 | 8.21 |
| 2025-07-15 | 1,401,693 | 1,411,355 | -9,662 | 11.36 |
| 2025-06-30 | 1,411,355 | 1,363,283 | +48,072 | 11.82 |
| 2025-06-13 | 1,363,283 | 1,386,325 | -23,042 | 9.95 |
| 2025-05-30 | 1,386,325 | 1,431,327 | -45,002 | 13.83 |