RGEN · Repligen Corp · Short Volume

$167.79 +1.27 (+0.76%) At close · Nov 13 Play latest call Q3 2026 earnings call transcript

S&P 400 member Russell 1000 member Rebalance outlook locked

Market Cap

$10.73B

63.92M

Volume · Nov 13 510.17K Avg daily vol (3M) 1.19M

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.

Pull daily short volume through the short interest API or MCP →

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-11-13	133,171	0	204,391	65.2%
2026-11-12	167,388	7,389	333,448	50.2%
2026-11-11	344,278	20,200	455,895	75.5%
2026-11-10	135,226	0	335,690	40.3%
2026-11-09	258,374	49,741	567,492	45.5%
2026-11-06	191,028	7,700	476,622	40.1%
2026-11-05	288,734	51,703	583,275	49.5%
2026-11-04	325,523	18,285	561,104	58.0%
2026-11-03	214,255	6,377	306,681	69.9%
2026-11-02	520,441	29,991	781,928	66.6%
2026-10-30	1,700,450	61,545	2,401,382	70.8%
2026-10-29	178,583	1	311,230	57.4%
2026-10-28	379,057	0	525,449	72.1%
2026-10-27	715,423	24,581	942,691	75.9%
2026-10-26	311,232	3,027	522,155	59.6%
2026-10-23	227,279	0	412,216	55.1%
2026-10-22	361,135	400	564,801	63.9%
2026-10-21	203,524	0	385,878	52.7%
2026-10-20	211,004	1,504	379,680	55.6%
2026-10-19	232,408	0	332,864	69.8%
2026-10-16	340,980	0	506,656	67.3%
2026-10-15	291,344	41	466,900	62.4%
2026-10-14	431,721	0	573,381	75.3%
2026-10-13	451,527	55,967	520,799	86.7%
2026-10-12	205,834	0	365,084	56.4%
2026-10-09	483,218	9	663,820	72.8%
2026-10-08	224,893	19,007	512,956	43.8%
2026-10-07	355,922	36	529,317	67.2%
2026-10-06	426,594	4,999	703,011	60.7%
2026-10-05	333,293	4,400	464,712	71.7%
2026-10-02	572,401	21	711,362	80.5%
2026-10-01	618,793	111,266	990,932	62.4%
2026-09-30	237,284	15,500	296,218	80.1%
2026-09-29	392,991	87	587,176	66.9%
2026-09-28	420,415	0	611,242	68.8%
2026-09-25	361,663	64	491,563	73.6%
2026-09-24	552,002	2	822,093	67.1%
2026-09-23	208,777	85	383,736	54.4%
2026-09-22	471,767	274	565,168	83.5%
2026-09-21	260,175	301	322,242	80.7%
2026-09-18	284,690	24	321,660	88.5%
2026-09-17	386,168	6	562,842	68.6%
2026-09-16	237,959	0	372,616	63.9%
2026-09-15	309,921	452	420,094	73.8%
2026-09-14	147,714	4	255,836	57.7%
2026-09-11	239,213	295	272,466	87.8%
2026-09-10	306,531	633	480,520	63.8%
2026-09-09	262,916	6,900	480,372	54.7%
2026-09-08	206,804	271	335,562	61.6%
2026-09-04	192,550	270	353,013	54.5%

Showing 1–50 of 64 days

Key facts CIK 730272 CUSIP 759916109 13F (30d) 409 filings 371 filers Visit website Investor relations