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HowShorted

How shorted is Nuwellis, Inc.? NUWE

4.62%
of shares outstanding reported short · settlement date 31 Aug 2026
vs previous report
+2.14
5 reports (~10 weeks)
+3.25
days to cover
1.00
Aggregate net short position time series for Nuwellis, 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 Nuwellis, 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
12 May 20263.04% 30 Apr 20261.32% 15 May 2026−1.72
10 Mar 20261.69% 27 Feb 20261.29% 13 Mar 2026−0.40
12 Nov 20258.67% 31 Oct 20253.52% 14 Nov 2025−5.15
13 May 20251.34% 30 Apr 20251.41% 15 May 2025+0.07
11 Mar 20254.75% 28 Feb 20254.07% 14 Mar 2025−0.68
7 May 202415.47% 30 Apr 20249.00% 15 May 2024−6.47
7 Nov 20231.85% 31 Oct 20235.31% 15 Nov 2023+3.46
8 Aug 20231.22% 31 Jul 20230.63% 15 Aug 2023−0.59

Fails to deliver

The SEC's fails-to-deliver figure for NUWE: 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
1,977
14 Sep 2026
Highest in window
7,419,501
8 Jun 2026
Days with a balance
92
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Nuwellis, 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 7.4M shares.

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

History

Full reported short interest history
Settlement dateShort %Change
31 Aug 20264.62%+2.14
14 Aug 20262.48%+1.16
15 May 20261.32%−1.72
30 Apr 20263.04%+0.88
15 Apr 20262.16%+0.79
31 Mar 20261.37%+0.08
13 Mar 20261.29%−0.40
27 Feb 20261.69%+0.16
13 Feb 20261.53%−1.57
28 Nov 20253.10%−0.42
14 Nov 20253.52%−5.15
31 Oct 20258.67%+4.22
15 Oct 20254.45%−2.59
30 Sep 20257.04%+1.15
15 Sep 20255.89%+3.44
29 Aug 20252.45%−0.47
15 Aug 20252.92%+1.75
30 May 20251.17%−0.24
15 May 20251.41%+0.07
30 Apr 20251.34%−0.48
15 Apr 20251.82%−1.97
31 Mar 20253.79%−0.28
14 Mar 20254.07%−0.68
28 Feb 20254.75%−1.29
14 Feb 20256.04%−6.72
31 Jan 202512.76%+5.16
15 Jan 20257.60%−0.12
31 Dec 20247.72%+1.06
13 Dec 20246.66%−0.81
29 Nov 20247.47%+0.53
15 Nov 20246.94%−2.06
15 May 20249.00%−6.47
30 Apr 202415.47%+3.02
15 Apr 202412.45%+0.37
28 Mar 202412.08%−0.66
15 Mar 202412.74%+7.43
15 Nov 20235.31%+3.46
31 Oct 20231.85%−0.39
29 Sep 20232.24%−0.09
15 Sep 20232.33%+1.38
31 Aug 20230.95%+0.32
15 Aug 20230.63%−0.59
31 Jul 20231.22%+0.67
15 Jun 20230.55%+0.31
15 May 20230.24%−2.49
28 Apr 20232.73%+0.76
14 Apr 20231.97%−0.63
31 Mar 20232.60%−3.38
28 Feb 20235.98%+5.15
15 Nov 20220.83%+0.62
15 Aug 20220.21%+0.09
29 Jul 20220.12%0.00
15 Jul 20220.12%−0.14
31 May 20220.26%−0.07
13 May 20220.33%−0.09
14 Apr 20220.42%+0.23
31 Mar 20220.19%+0.06
28 Feb 20220.13%−0.50
31 Jan 20220.63%+0.28
14 Jan 20220.35%−0.03
31 Dec 20210.38%−0.34
15 Dec 20210.72%−0.39
30 Nov 20211.11%−0.68
15 Nov 20211.79%+0.10
29 Oct 20211.69%+0.04
15 Oct 20211.65%+0.09
30 Sep 20211.56%−0.72
13 Aug 20212.28%+1.55
30 Jul 20210.73%−0.03
15 Jul 20210.76%−0.32
15 Apr 20211.08%−0.31
31 Mar 20211.39%+0.71
26 Feb 20210.68%−0.78
12 Feb 20211.46%+0.46
29 Jan 20211.00%−1.17
15 Jan 20212.17%−0.06
31 Dec 20202.23%−0.11
15 Dec 20202.34%−2.01
30 Nov 20204.35%−1.57
13 Nov 20205.92%−39.42
31 Jul 202045.34%+22.88
15 Jul 202022.46%−13.39
30 Jun 202035.85%+16.51
15 Jun 202019.34%+8.73
29 May 202010.61%+0.35
15 May 202010.26%−6.82
30 Apr 202017.08%+1.70
15 Apr 202015.38%+6.63
13 Mar 20208.75%+2.92
28 Feb 20205.83%+0.40
14 Feb 20205.43%−4.14
31 Jan 20209.57%−7.30
15 Jan 202016.87%+2.66
31 Dec 201914.21%+3.68
13 Dec 201910.53%+4.39
29 Nov 20196.14%+0.42
15 Nov 20195.72%+4.85
15 Oct 20190.87%–

Newest first. Scroll inside the table for earlier dates, back to 15 Oct 2019.

Frequently asked questions

How shorted is Nuwellis, Inc. right now?
4.62% of Nuwellis, Inc.'s (NUWE) shares outstanding were reported short for settlement date 31 Aug 2026, per FINRA's consolidated short interest report.
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 NUWE'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 NUWE's days to cover?
1.00 days for settlement date 31 Aug 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.