AUTL short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float40.7%33,904,100 float shares

Days to Cover16.6828,901 average daily volume

Open Short Position13,789,710Autolus Therapeutics plc Ameri

Change vs Previous-1,353,198-8.9%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	13,789,710	-1,353,198	-8.9%	16.6	40.7%
Jul 15, 2026	15,142,908	+2,649,180	+21.2%	10.5	44.7%
Jun 30, 2026	12,493,728	-982,360	-7.3%	13.3	36.9%

Short interest is an open-position snapshot published twice monthly. It is not daily short-sale volume.

Daily off-exchange short volume

FINRA-reported short-sale transaction flow for the last 30 calendar days.

Trade Date	Short Volume	Short Exempt	FINRA Total	Short Volume %	Facilities
Aug 21, 2026	178,134	92	1,093,944	16.3%	3
Aug 20, 2026	286,309	3,474	1,383,586	20.7%	3
Aug 19, 2026	660,345	26,449	3,249,221	20.3%	2
Aug 18, 2026	446,685	27,316	1,937,673	23.1%	3
Aug 17, 2026	354,554	1,732	1,287,879	27.5%	3
Aug 14, 2026	483,315	3,361	1,312,465	36.8%	3
Aug 13, 2026	183,002	37,580	861,110	21.3%	2
Aug 12, 2026	400,173	36,552	2,114,402	18.9%	3
Aug 11, 2026	544,531	39,247	2,977,347	18.3%	3
Aug 10, 2026	255,687	0	1,013,193	25.2%	3
Aug 7, 2026	226,797	0	954,445	23.8%	3
Aug 6, 2026	354,843	22,948	1,634,399	21.7%	2
Aug 5, 2026	158,450	5	714,118	22.2%	3
Aug 4, 2026	355,012	2,481	1,826,216	19.4%	3
Aug 3, 2026	3,139,349	90,372	8,080,311	38.9%	3
Jul 31, 2026	216,453	3,873	316,668	68.4%	2
Jul 30, 2026	464,709	0	863,125	53.8%	3
Jul 29, 2026	231,860	7,371	317,867	72.9%	2
Jul 28, 2026	177,981	0	264,135	67.4%	3
Jul 27, 2026	167,936	510	251,157	66.9%	2
Jul 24, 2026	151,205	0	251,615	60.1%	2

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.