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HowShorted

AUTL short interest Nasdaq Global Market

Autolus Therapeutics plc Ameri. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: an SEC filer exists but no defensible share count is available yet.

Shares short
8,325,703
vs previous settlement
โˆ’758,864 (-8.4%)
days to cover
4.83
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for AUTL shares short

Days to cover

FINRA's own figure: reported shares short divided by the security's average daily trading volume, published alongside each settlement.

Aggregate net short position time series for AUTL days to cover

Fails to deliver

The SEC's fails-to-deliver figure for AUTL: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Last balance on file
56
4 Sep 2026
Highest in window
160,000
5 Jun 2026
Days with a balance
103
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Autolus Therapeutics plc Ameri fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 160K shares.

History

Every FINRA settlement we hold for AUTL, newest first. สณ marks a figure FINRA itself flagged as revised.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 20268,325,703โˆ’758,8644.83
31 Aug 20269,084,567โˆ’1,400,3723.61
14 Aug 202610,484,939โˆ’3,304,7712.39
31 Jul 202613,789,710โˆ’1,353,19816.64
15 Jul 202615,142,908+2,649,18010.50
30 Jun 202612,493,728โˆ’982,36013.26
15 Jun 202613,476,088+689,46410.17
29 May 202612,786,624โˆ’1,230,9046.90
15 May 202614,017,528+928,9898.62
30 Apr 202613,088,539โˆ’1,118,38510.52
15 Apr 202614,206,924โˆ’375,53510.38
31 Mar 202614,582,459โˆ’113,5487.18
13 Mar 202614,696,007โˆ’270,1199.70
27 Feb 202614,966,126โˆ’894,8328.77
13 Feb 202615,860,958+425,93513.78
30 Jan 202615,435,023+1,532,2539.02
15 Jan 202613,902,770+1,606,9764.74
31 Dec 202512,295,794+167,3664.82
15 Dec 202512,128,428โˆ’819,8544.51
28 Nov 202512,948,282+1,285,9672.59
14 Nov 202511,662,315โˆ’318,9534.44
31 Oct 202511,981,268+159,5645.40
15 Oct 202511,821,704+334,2113.61
30 Sep 202511,487,493+881,0492.28
15 Sep 202510,606,444+497,2861.76
29 Aug 202510,109,158โˆ’4,792,4154.18
15 Aug 202514,901,573+763,9164.78
31 Jul 202514,137,657+480,4428.59
15 Jul 202513,657,215โˆ’13,1769.36
30 Jun 202513,670,391+955,9256.90
13 Jun 202512,714,466+1,146,3994.30
30 May 202511,568,067+981,6625.88
15 May 202510,586,405+137,1744.10
30 Apr 202510,449,231โˆ’997,5124.83
15 Apr 202511,446,743+1,536,5314.97
31 Mar 20259,910,212+779,0917.33
14 Mar 20259,131,121+26,4547.16
28 Feb 20259,104,667โˆ’386,9977.14
14 Feb 20259,491,664+383,1347.70
31 Jan 20259,108,530+726,9248.70
15 Jan 20258,381,606โˆ’246,6797.24
31 Dec 20248,628,285+943,6565.00
13 Dec 20247,684,629+1,391,3174.28
29 Nov 20246,293,312+44,4853.16
15 Nov 20246,248,827โˆ’945,1092.32
31 Oct 20247,193,936โˆ’1,552,9054.12
15 Oct 20248,746,841โˆ’1,348,12711.21
30 Sep 202410,094,968โˆ’635,71813.25
13 Sep 202410,730,686โˆ’696,62216.19
30 Aug 202411,427,308โˆ’994,06823.27
15 Aug 202412,421,376+4,04113.69
31 Jul 202412,417,335+516,02714.06
15 Jul 202411,901,308+5,086,3836.70
28 Jun 20246,814,925+386,7894.31
14 Jun 20246,428,136+2,836,5394.13
31 May 20243,591,597+339,5803.05
15 May 20243,252,017โˆ’270,9721.64
30 Apr 20243,522,989โˆ’546,4471.58
15 Apr 20244,069,436โˆ’98,7803.87
28 Mar 20244,168,216+1,015,8114.95
15 Mar 20243,152,405+382,9362.40
29 Feb 20242,769,469โˆ’332,3861.71
15 Feb 20243,101,855+162,8981.01
31 Jan 20242,938,957+514,2052.42
12 Jan 20242,424,752+262,1161.80
29 Dec 20232,162,636โˆ’489,0041.33
15 Dec 20232,651,640+559,2372.96
30 Nov 20232,092,403+608,6571.55
15 Nov 20231,483,746+17,0721.39
31 Oct 20231,466,674โˆ’29,5183.53
13 Oct 20231,496,192+80,2305.79
29 Sep 20231,415,962โˆ’193,8774.82
15 Sep 20231,609,839+243,0834.80
31 Aug 20231,366,756โˆ’276,4553.58
15 Aug 20231,643,211โˆ’225,1674.20
31 Jul 20231,868,378+285,1643.79
14 Jul 20231,583,214+96,6823.13
30 Jun 20231,486,532+62,4302.45
15 Jun 20231,424,102โˆ’186,4152.15
31 May 20231,610,517+870,8501.30
15 May 2023739,667โˆ’121,3131.00
28 Apr 2023860,980โˆ’430,6322.37
14 Apr 20231,291,612โˆ’407,9163.75
31 Mar 20231,699,528+491,0873.09
15 Mar 20231,208,441+74,1522.44
28 Feb 20231,134,289โˆ’125,5463.13
15 Feb 20231,259,835+382,4211.36
31 Jan 2023877,414+376,9761.78
13 Jan 2023500,438โˆ’160,5491.00
30 Dec 2022660,987+196,8151.05
15 Dec 2022464,172โˆ’392,5661.00
30 Nov 2022856,738โˆ’205,7887.85
15 Nov 20221,062,526+155,6765.16
31 Oct 2022906,850โˆ’96,0388.60
14 Oct 20221,002,888โˆ’33,6413.06
30 Sep 20221,036,529โˆ’44,15210.17
15 Sep 20221,080,681โˆ’47,48110.43
31 Aug 20221,128,162โˆ’38,0248.29
15 Aug 20221,166,186โˆ’142,7916.72
29 Jul 20221,308,977โˆ’112,79913.97
15 Jul 20221,421,776โˆ’191,59911.07
30 Jun 20221,613,375โˆ’86,87910.95
15 Jun 20221,700,254โˆ’326,11410.19
31 May 20222,026,368โˆ’35,73010.88
13 May 20222,062,098โˆ’83,7727.43
29 Apr 20222,145,870โˆ’10,1469.40
14 Apr 20222,156,016โˆ’352,3396.88
31 Mar 20222,508,355โˆ’399,07812.36
15 Mar 20222,907,433โˆ’166,6129.58
28 Feb 20223,074,045โˆ’1,4327.50
15 Feb 20223,075,477+70,1396.24
31 Jan 20223,005,338+286,0756.40
14 Jan 20222,719,263โˆ’20,0236.32
31 Dec 20212,739,286+421,5063.94
15 Dec 20212,317,780+253,3413.39
30 Nov 20212,064,439โˆ’438,3393.78
15 Nov 20212,502,778+716,4971.00
29 Oct 20211,786,281+52,0559.35
15 Oct 20211,734,226โˆ’238,5916.69
30 Sep 20211,972,817+78,0865.20
15 Sep 20211,894,731โˆ’514,2543.56
31 Aug 20212,408,985โˆ’400,0823.66
13 Aug 20212,809,067+648,4461.00
30 Jul 20212,160,621+198,1982.14
15 Jul 20211,962,423โˆ’41,7521.40
30 Jun 20212,004,175โˆ’264,8571.10
15 Jun 20212,269,032สณ+36,7271.00
28 May 20212,232,305โˆ’89,8441.51
14 May 20212,322,149+852,4681.02
30 Apr 20211,469,681+191,6192.55
15 Apr 20211,278,062โˆ’2,566,7574.26
31 Mar 20213,844,819+146,3666.85
15 Mar 20213,698,453+189,4794.60
26 Feb 20213,508,974+1,799,7572.69
12 Feb 20211,709,217+965,5731.24
29 Jan 2021743,644+38,3393.66
15 Jan 2021705,305โˆ’6152.10
31 Dec 2020705,920โˆ’155,5555.06
15 Dec 2020861,475+65,4724.80
30 Nov 2020796,003+39,57110.42
13 Nov 2020756,432โˆ’17,79410.73
30 Oct 2020774,226+88,27710.27
15 Oct 2020685,949โˆ’43,30117.01
30 Sep 2020729,250+86,73911.38
15 Sep 2020642,511โˆ’121,4199.23
31 Aug 2020763,930+35,0976.30
14 Aug 2020728,833+78,5973.38
31 Jul 2020650,236+126,4153.01
15 Jul 2020523,821+1,5954.06
30 Jun 2020522,226โˆ’327,8572.14
15 Jun 2020850,083+165,3394.71
29 May 2020684,744โˆ’108,7825.41
15 May 2020793,526+135,6536.93
30 Apr 2020657,873โˆ’24,4305.43
15 Apr 2020682,303+89,3466.15
31 Mar 2020592,957โˆ’37,4453.87
13 Mar 2020630,402โˆ’213,8903.70
28 Feb 2020844,292+47,4675.98
14 Feb 2020796,825โˆ’492,7345.26
31 Jan 20201,289,559+273,5803.60
15 Jan 20201,015,979โˆ’11,06913.11
31 Dec 20191,027,048โˆ’44,5287.12
13 Dec 20191,071,576โˆ’103,8746.24
29 Nov 20191,175,450โˆ’149,41414.27
15 Nov 20191,324,864โˆ’18,67015.23
31 Oct 20191,343,534+91,00716.01
15 Oct 20191,252,527+9,53915.33
30 Sep 20191,242,988+44,59811.37
13 Sep 20191,198,390+240,4001.01
30 Aug 2019957,990โˆ’16,8302.60
15 Aug 2019974,820+81,1927.69
31 Jul 2019893,628+23,0007.61
15 Jul 2019870,628+91,4255.91
28 Jun 2019779,203+32,5035.47
14 Jun 2019746,700สณ+136,5005.09
31 May 2019610,200โˆ’2596.83
15 May 2019610,459โˆ’41,1947.07
30 Apr 2019651,653+4,5495.62
15 Apr 2019647,104โˆ’1,6454.46
29 Mar 2019648,749โˆ’14,6665.35
15 Mar 2019663,415+31,96010.95
28 Feb 2019631,455โˆ’1,28726.26
15 Feb 2019632,742โˆ’48,28723.59
31 Jan 2019681,029โˆ’62,33411.04
15 Jan 2019743,363โˆ’11,33511.90
31 Dec 2018754,698โˆ’8,7446.25
14 Dec 2018763,442+156,1915.70
30 Nov 2018607,251+124,1007.85
15 Nov 2018483,151โˆ’12,7008.20
31 Oct 2018495,851+28,4938.49
15 Oct 2018467,358+25,57411.40
28 Sep 2018441,784+43,4988.05
14 Sep 2018398,286โˆ’30,3578.51
31 Aug 2018428,643+8,47623.97
15 Aug 2018420,167+57,4345.99
31 Jul 2018362,733+246,8942.98
13 Jul 2018115,839+71,1991.00
29 Jun 201844,640โ€“1.00

Scroll inside the table for earlier settlements, back to 29 Jun 2018.

Questions

Frequently asked questions

What is AUTL's short interest?
8,325,703 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 758,864 from the previous settlement.
Why is there no percentage for AUTL?
Because no defensible share count exists to divide by: an SEC filer exists but no defensible share count is available yet. The symbol maps to an SEC filer, but its share count cannot be used yet. A newly listed company needs two cover-page counts on file before the first is trusted; a split or an unexplained jump pauses publication until a fresh SEC count corroborates it; a secondary share class publishes under the company's primary line; and a foreign filer's short count is in depositary-share units. This page upgrades to a percentage automatically once a defensible count exists.
What is AUTL's days to cover?
4.83 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume, published in the same file and shown verbatim. We hold no volume data ourselves.
Is this the short float?
No. This page shows FINRA's share count only. Short float divides that count by the public float, and short interest as we publish it elsewhere divides it by shares outstanding from SEC filings. Neither denominator is available for this line, so neither ratio is shown.
How often does this update?
FINRA member firms report short positions as of the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. We ingest each file the day it appears and re-read recent settlements for revisions.

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