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HowShorted

BIRK short interest NYSE

Birkenstock Holding plc. 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
6,998,341
vs previous settlement
−501,782 (-6.7%)
days to cover
3.33
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for BIRK 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 BIRK days to cover

Fails to deliver

The SEC's fails-to-deliver figure for BIRK: 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.

Latest balance
245
14 Sep 2026
Highest in window
433,512
4 Jun 2026
Days with a balance
142
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Birkenstock Holding plc 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 434K shares.

History

Every FINRA settlement we hold for BIRK, newest first.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 20266,998,341−501,7823.33
31 Aug 20267,500,123+599,7312.51
14 Aug 20266,900,392−1,957,5171.91
31 Jul 20268,857,909−2,421,2996.77
15 Jul 202611,279,208−91,9638.00
30 Jun 202611,371,171−2,680,4374.64
15 Jun 202614,051,608−3,219,4075.46
29 May 202617,271,015+6,105,5324.97
15 May 202611,165,483+619,6943.74
30 Apr 202610,545,789−298,4145.22
15 Apr 202610,844,203+109,8655.46
31 Mar 202610,734,338−147,4544.67
13 Mar 202610,881,792+24,1195.07
27 Feb 202610,857,673+1,539,9103.99
13 Feb 20269,317,763−1,141,9373.43
30 Jan 202610,459,700−277,9643.51
15 Jan 202610,737,664+2,456,7563.82
31 Dec 20258,280,908+664,5802.20
15 Dec 20257,616,328−265,1303.79
28 Nov 20257,881,458+633,0974.73
14 Nov 20257,248,361−2,122,3003.68
31 Oct 20259,370,661−770,6965.54
15 Oct 202510,141,357−857,8604.12
30 Sep 202510,999,217+3,078,9404.20
15 Sep 20257,920,277−111,0634.60
29 Aug 20258,031,340−201,6985.17
15 Aug 20258,233,038−1,276,8683.61
31 Jul 20259,509,906+1,170,4944.92
15 Jul 20258,339,412+436,4133.95
30 Jun 20257,902,999−174,4193.91
13 Jun 20258,077,418+396,3743.83
30 May 20257,681,044−410,5472.83
15 May 20258,091,591+52,2263.74
30 Apr 20258,039,365−853,5595.42
15 Apr 20258,892,924+2,071,9723.43
31 Mar 20256,820,952−57,9714.57
14 Mar 20256,878,923−159,8703.51
28 Feb 20257,038,793+671,3443.39
14 Feb 20256,367,449+675,9534.58
31 Jan 20255,691,496+556,6593.57
15 Jan 20255,134,837+1,009,4614.44
31 Dec 20244,125,376+231,3152.14
13 Dec 20243,894,061−53,3482.81
29 Nov 20243,947,409−41,4584.57
15 Nov 20243,988,867−347,8333.67
31 Oct 20244,336,700−996,6575.43
15 Oct 20245,333,357+54,5444.50
30 Sep 20245,278,813+830,6343.49
13 Sep 20244,448,179−396,4572.33
30 Aug 20244,844,636+818,8712.62
15 Aug 20244,025,765+514,1024.82
31 Jul 20243,511,663−545,7354.15
15 Jul 20244,057,398+614,5362.60
28 Jun 20243,442,862−305,4451.98
14 Jun 20243,748,307−787,4404.35
31 May 20244,535,747−603,7074.11
15 May 20245,139,454−40,85812.35
30 Apr 20245,180,312+36,9318.34
15 Apr 20245,143,381+319,5697.04
28 Mar 20244,823,812−852,7218.57
15 Mar 20245,676,533+311,97911.63
29 Feb 20245,364,554−1,224,0895.56
15 Feb 20246,588,643+157,04213.96
31 Jan 20246,431,601+831,1165.36
12 Jan 20245,600,485−101,7726.68
29 Dec 20235,702,257−521,1917.68
15 Dec 20236,223,448−181,0619.34
30 Nov 20236,404,509+393,7668.58
15 Nov 20236,010,743−250,6526.10
31 Oct 20236,261,395+4,119,6205.31
13 Oct 20232,141,775–1.00

Scroll inside the table for earlier settlements, back to 13 Oct 2023.

Questions

Frequently asked questions

What is BIRK's short interest?
6,998,341 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 501,782 from the previous settlement.
Why is there no percentage for BIRK?
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 BIRK's days to cover?
3.33 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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