SEPN · Septerna, Inc.

$38.91 -1.56 (-3.85%) At close · Aug 28

Russell 2000 member Rebalance outlook locked

Market Cap

$1.82B

46.68M

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 %
2026-08-28	72,100	0	226,394	31.8%
2026-08-27	91,403	0	144,832	63.1%
2026-08-26	24,808	0	52,327	47.4%
2026-08-25	46,510	0	130,802	35.6%
2026-08-24	77,633	0	264,759	29.3%
2026-08-21	53,039	0	122,032	43.5%
2026-08-20	68,820	11,581	146,318	47.0%
2026-08-19	48,202	0	144,612	33.3%
2026-08-18	36,097	447	119,610	30.2%
2026-08-17	78,144	317	207,146	37.7%
2026-08-14	76,688	18,434	303,452	25.3%
2026-08-13	99,003	0	368,458	26.9%
2026-08-12	102,567	1,740	588,706	17.4%
2026-08-11	207,008	6,998	469,575	44.1%
2026-08-10	52,329	3,603	109,978	47.6%
2026-08-07	61,537	0	96,228	63.9%
2026-08-06	36,905	4,865	65,514	56.3%
2026-08-05	109,438	0	187,212	58.5%
2026-08-04	95,232	1,583	135,727	70.2%
2026-08-03	55,878	1,023	72,672	76.9%
2026-07-31	70,215	0	85,877	81.8%
2026-07-30	76,836	1,000	108,910	70.5%
2026-07-29	38,570	0	54,103	71.3%
2026-07-28	67,920	0	101,311	67.0%
2026-07-27	24,822	0	40,544	61.2%
2026-07-24	57,941	0	106,204	54.6%
2026-07-23	72,710	0	101,442	71.7%
2026-07-22	47,168	0	68,833	68.5%
2026-07-21	52,532	430	77,528	67.8%
2026-07-20	39,383	3,091	61,168	64.4%
2026-07-17	60,696	0	100,674	60.3%
2026-07-16	84,014	2,574	156,815	53.6%
2026-07-15	43,635	0	125,977	34.6%
2026-07-14	59,271	0	191,131	31.0%
2026-07-13	64,428	0	139,575	46.2%
2026-07-10	56,815	1,814	147,151	38.6%
2026-07-09	91,586	0	456,538	20.1%
2026-07-08	195,283	5,643	555,574	35.1%
2026-07-07	164,629	3,968	397,511	41.4%
2026-07-06	111,729	0	224,596	49.7%
2026-07-02	107,681	0	189,445	56.8%
2026-07-01	79,566	366	170,410	46.7%
2026-06-30	131,436	9,455	216,000	60.9%
2026-06-29	403,658	18,979	537,602	75.1%
2026-06-26	72,660	1,133	369,767	19.7%
2026-06-25	44,422	0	102,889	43.2%
2026-06-24	52,076	615	136,909	38.0%
2026-06-23	39,950	5,000	121,429	32.9%
2026-06-22	139,370	64,907	212,985	65.4%
2026-06-18	48,209	0	69,079	69.8%

Showing 1–50 of 63 days

Key facts CIK 1984086 CUSIP 81734D104 13F (30d) 146 filings 142 filers Visit website Investor relations