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HowShorted

How shorted is Oruka Therapeutics, Inc.? ORKA

#521most shorted US stockof 3,805 ranked stocks, more shorted than 86%

11.51%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
−0.26
5 reports (~10 weeks)
−3.68
days to cover
11.61
Aggregate net short position time series for Oruka Therapeutics, Inc.

Markers along the chart's base: ▲ results announced (an 8-K reporting results was filed) ▲ quarterly or annual report filed. Dates are SEC filing dates; hover a point to see events since the previous settlement.

Days to cover

FINRA's own figure: reported shares short divided by the stock's average daily trading volume, published alongside each settlement. It expresses the short position in days of typical trading rather than as a percentage of the company; the two can move differently.

Aggregate net short position time series for Oruka Therapeutics, Inc. days to cover

Short interest around results

For each results announcement (an 8-K reporting results, by its SEC filing date), the FINRA settlement before it and the first one after. Settlements fall twice a month, so the two figures can sit up to a month apart and much else changes in between: this shows what was reported, not why.

Reported short interest before and after each results announcement
Results filedSettlement beforeSettlement afterChange
10 Aug 202612.16% 31 Jul 202612.54% 14 Aug 2026+0.38
30 Apr 202611.44% 15 Apr 202610.37% 15 May 2026−1.07
1 Aug 202430.30% 31 Jul 202434.37% 15 Aug 2024+4.07
25 Apr 20241.35% 28 Mar 202428.29% 30 Apr 2024+26.94
1 Feb 20241.30% 31 Jan 20241.28% 15 Feb 2024−0.02
18 Oct 20231.69% 13 Oct 20231.53% 31 Oct 2023−0.16
21 Jul 20231.84% 14 Jul 20231.76% 31 Jul 2023−0.08
28 Oct 20220.39% 14 Oct 20220.35% 31 Oct 2022−0.04

Fails to deliver

The SEC's fails-to-deliver figure for ORKA: 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
47
14 Sep 2026
Highest in window
341,055
22 Jan 2026
Days with a balance
103
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Oruka Therapeutics, Inc. 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 341K shares.

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Sector: Healthcare · By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 202611.51%−0.26
31 Aug 202611.77%−0.77
14 Aug 202612.54%+0.38
31 Jul 202612.16%−2.49
15 Jul 202614.65%−0.54
30 Jun 202615.19%+3.75
15 Jun 202611.44%+0.87
29 May 202610.57%+0.20
15 May 202610.37%−1.22
30 Apr 202611.59%+0.15
15 Apr 202611.44%+2.10
31 Mar 20269.34%+1.81
13 Mar 20267.53%−1.70
27 Feb 20269.23%+0.84
13 Feb 20268.39%−1.75
30 Jan 202610.14%−0.69
15 Jan 202610.83%−4.92
31 Dec 202515.75%+3.71
15 Dec 202512.04%+0.68
28 Nov 202511.36%+0.52
14 Nov 202510.84%+0.08
31 Oct 202510.76%+0.09
15 Oct 202510.67%+1.02
30 Sep 20259.65%+1.46
15 Sep 20258.19%−0.35
29 Aug 20258.54%−2.95
15 Aug 202511.49%+2.52
31 Jul 20258.97%−1.22
15 Jul 202510.19%−0.83
30 Jun 202511.02%+3.54
13 Jun 20257.48%+0.11
30 May 20257.37%+0.11
15 May 20257.26%+0.14
30 Apr 20257.12%+0.37
15 Apr 20256.75%+2.42
31 Mar 20254.33%−0.09
14 Mar 20254.42%−1.30
28 Feb 20255.72%+0.69
14 Feb 20255.03%+0.16
31 Jan 20254.87%−0.47
15 Jan 20255.34%+1.21
31 Dec 20244.13%+1.71
13 Dec 20242.42%−34.15
30 Aug 202436.57%+2.20
15 Aug 202434.37%+4.07
31 Jul 202430.30%+1.17
15 Jul 202429.13%+0.35
28 Jun 202428.78%+0.24
14 Jun 202428.54%−0.01
31 May 202428.55%+0.31
15 May 202428.24%−0.05
30 Apr 202428.29%+26.94
28 Mar 20241.35%+0.08
15 Mar 20241.27%+0.01
29 Feb 20241.26%−0.02
15 Feb 20241.28%−0.02
31 Jan 20241.30%−0.05
12 Jan 20241.35%−0.01
29 Dec 20231.36%−0.11
15 Dec 20231.47%+0.05
30 Nov 20231.42%−0.07
15 Nov 20231.49%−0.04
31 Oct 20231.53%−0.16
13 Oct 20231.69%+0.06
29 Sep 20231.63%−0.21
15 Sep 20231.84%+0.16
31 Aug 20231.68%−0.13
15 Aug 20231.81%+0.05
31 Jul 20231.76%−0.08
14 Jul 20231.84%−0.05
30 Jun 20231.89%−0.03
15 Jun 20231.92%+0.03
31 May 20231.89%+0.01
15 May 20231.88%+0.03
28 Apr 20231.85%+1.49
15 Dec 20220.36%−0.01
30 Nov 20220.37%+0.02
15 Nov 20220.35%0.00
31 Oct 20220.35%−0.04
14 Oct 20220.39%−0.01
30 Sep 20220.40%−0.15
15 Sep 20220.55%+0.18
31 Aug 20220.37%−0.02
15 Aug 20220.39%−0.01
29 Jul 20220.40%−0.10
15 Jul 20220.50%−0.23
30 Jun 20220.73%−0.26
15 Jun 20220.99%−0.17
31 May 20221.16%−0.25
13 May 20221.41%−0.12
29 Apr 20221.53%−0.07
14 Apr 20221.60%−0.37
31 Mar 20221.97%+0.35
15 Mar 20221.62%−0.30
28 Feb 20221.92%−0.17
15 Feb 20222.09%−0.14
31 Jan 20222.23%−0.03
14 Jan 20222.26%+0.06
31 Dec 20212.20%−0.36
15 Dec 20212.56%−0.91
30 Nov 20213.47%+0.34
15 Nov 20213.13%+1.10
29 Oct 20212.03%−0.03
15 Oct 20212.06%−0.14
30 Sep 20212.20%−0.50
15 Sep 20212.70%−0.10
31 Aug 20212.80%−0.04
13 Aug 20212.84%−0.27
30 Jul 20213.11%+0.44
15 Jul 20212.67%+0.33
30 Jun 20212.34%+0.68
15 Jun 20211.66%−0.58
28 May 20212.24%−1.04
14 May 20213.28%+0.65
30 Apr 20212.63%−1.23
15 Apr 20213.86%+0.59
31 Mar 20213.27%−0.21
15 Mar 20213.48%+1.36
26 Feb 20212.12%+0.84
12 Feb 20211.28%+0.41
15 Jan 20210.87%+0.43
15 Dec 20200.44%−0.09
30 Nov 20200.53%+0.08
13 Nov 20200.45%−0.10
30 Oct 20200.55%−0.91
15 Oct 20201.46%+0.54
15 Sep 20200.92%−0.22
31 Aug 20201.14%−0.35
14 Aug 20201.49%+0.79
31 Jul 20200.70%−0.68
15 Jul 20201.38%−0.21
30 Jun 20201.59%+0.62
15 Jun 20200.97%−0.46
15 May 20201.43%+1.27
28 Feb 20200.16%−0.22
14 Feb 20200.38%+0.14
31 Jan 20200.24%−0.03
15 Jan 20200.27%−0.08
31 Dec 20190.35%−0.20
13 Dec 20190.55%+0.19
15 Nov 20190.36%+0.11
31 Oct 20190.25%−0.33
30 Sep 20190.58%0.00
30 Aug 20190.58%−0.40
15 Aug 20190.98%+0.10
31 Jul 20190.88%−13.58
15 May 201914.46%+11.25
29 Mar 20193.21%+0.21
15 Mar 20193.00%−0.44
28 Feb 20193.44%+0.45
15 Feb 20192.99%+0.38
31 Jan 20192.61%−0.03
15 Jan 20192.64%−0.04
31 Dec 20182.68%+0.13
14 Dec 20182.55%+0.28
30 Nov 20182.27%−0.04
15 Nov 20182.31%+0.23
31 Oct 20182.08%+0.12
15 Oct 20181.96%+1.11
28 Sep 20180.85%−0.11
14 Sep 20180.96%−0.03
31 Aug 20180.99%−0.63
15 Aug 20181.62%+1.32
15 Jun 20180.30%−0.32
31 May 20180.62%−0.05
30 Apr 20180.67%−0.82
13 Apr 20181.49%−0.22
29 Mar 20181.71%+0.88
15 Mar 20180.83%−0.43
28 Feb 20181.26%+0.42
15 Feb 20180.84%−0.28
31 Jan 20181.12%+0.13
12 Jan 20180.99%+0.23
29 Dec 20170.76%–

Newest first. Scroll inside the table for earlier dates, back to 29 Dec 2017.

Frequently asked questions

How shorted is Oruka Therapeutics, Inc. right now?
11.51% of Oruka Therapeutics, Inc.'s (ORKA) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 521st most shorted US stock, out of 3,805 we rank.
What does this number include?
FINRA member firms must report their short positions in all US equities twice a month; FINRA consolidates them per security. We divide that official share count by the company's shares outstanding from its SEC filings. This is the regulatory figure, not a daily estimate.
Why does it only update twice a month?
US short interest is reported for settlement on the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. That cadence is set by regulation; no daily official figure exists.
Is this ORKA's short float?
No. This is short interest as a percentage of shares outstanding, the count in the company's SEC filings. "Short float" divides the same FINRA short count by the public float, which excludes closely held shares, so it comes out higher for the same company. We publish no float estimates: the float is not a regulatory figure.
What is ORKA's days to cover?
11.61 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume. It is published in the same FINRA file and shown verbatim; we hold no volume data ourselves.
Which funds are short?
US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.