CERS · Cerus Corp

$3.13 -0.08 (-2.49%) At close · Jul 17

Market Cap

$627.15M

200.37M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-07-17	204,841	0	815,096	25.1%
2026-07-16	363,082	901	761,235	47.7%
2026-07-15	134,785	0	262,513	51.3%
2026-07-14	433,413	77	673,255	64.4%
2026-07-13	223,018	0	373,896	59.6%
2026-07-10	294,034	0	665,602	44.2%
2026-07-09	151,210	0	324,917	46.5%
2026-07-08	300,090	156	604,585	49.6%
2026-07-07	496,455	7,211	1,181,483	42.0%
2026-07-06	712,669	4,940	1,697,790	42.0%
2026-07-02	401,529	0	1,011,749	39.7%
2026-07-01	734,735	96,492	2,242,914	32.8%
2026-06-30	446,436	5	767,465	58.2%
2026-06-29	331,026	7,637	757,227	43.7%
2026-06-26	349,978	0	1,172,436	29.9%
2026-06-25	551,053	0	1,590,428	34.6%
2026-06-24	319,013	0	1,018,619	31.3%
2026-06-23	227,298	17	875,758	26.0%
2026-06-22	242,832	0	638,022	38.1%
2026-06-18	160,368	154	746,602	21.5%
2026-06-17	350,380	2,923	809,850	43.3%
2026-06-16	311,148	0	618,432	50.3%
2026-06-15	311,389	11,435	745,589	41.8%
2026-06-12	314,854	12	630,858	49.9%
2026-06-11	414,530	16,286	1,574,002	26.3%
2026-06-10	223,384	35	527,567	42.3%
2026-06-09	281,836	0	871,276	32.3%
2026-06-08	212,982	6,011	550,751	38.7%
2026-06-05	244,101	0	531,640	45.9%
2026-06-04	349,730	100	1,141,451	30.6%
2026-06-03	272,041	0	781,710	34.8%
2026-06-02	470,094	307	1,108,081	42.4%
2026-06-01	383,664	1,800	928,791	41.3%
2026-05-29	429,837	0	1,038,994	41.4%
2026-05-28	242,441	0	1,281,555	18.9%
2026-05-27	227,286	2,478	573,943	39.6%
2026-05-26	189,537	0	468,749	40.4%
2026-05-22	180,953	0	441,187	41.0%
2026-05-21	249,040	0	547,373	45.5%
2026-05-20	329,246	0	868,710	37.9%
2026-05-19	557,490	0	1,679,127	33.2%
2026-05-18	288,805	0	660,586	43.7%
2026-05-15	612,927	25	1,104,546	55.5%
2026-05-14	456,365	70	875,843	52.1%
2026-05-13	372,136	281	879,284	42.3%
2026-05-12	377,872	250	774,653	48.8%
2026-05-11	240,866	0	726,617	33.1%
2026-05-08	232,907	0	765,611	30.4%
2026-05-07	230,687	0	641,320	36.0%
2026-05-06	201,321	0	709,695	28.4%

Showing 1–50 of 62 days

Key facts CIK 1020214 CUSIP 157085101 13F (30d) 18 filings 16 filers Visit website Investor relations