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HowShorted

How shorted is Eos Energy Enterprises, Inc.? EOSE

#9most shorted US stockof 3,805 ranked stocks, more shorted than 99%

32.96%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+2.39
5 reports (~10 weeks)
+2.02
days to cover
4.13
Aggregate net short position time series for Eos Energy Enterprises, 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 Eos Energy Enterprises, 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
5 Aug 202634.09% 31 Jul 202630.96% 14 Aug 2026−3.13
15 Jul 202630.94% 30 Jun 202634.09% 31 Jul 2026+3.15
13 May 202630.00% 30 Apr 202630.99% 15 May 2026+0.99
9 Apr 202629.03% 31 Mar 202630.24% 15 Apr 2026+1.21
26 Feb 202630.78% 13 Feb 202626.48% 27 Feb 2026−4.30
5 Nov 202534.42% 31 Oct 202532.97% 14 Nov 2025−1.45
30 Jul 202535.18% 15 Jul 202532.20% 31 Jul 2025−2.98
6 May 202529.97% 30 Apr 202529.66% 15 May 2025−0.31

Fails to deliver

The SEC's fails-to-deliver figure for EOSE: 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
130,943
14 Sep 2026
Highest in window
2,325,829
3 Sep 2026
Days with a balance
186
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Eos Energy Enterprises, 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 2.3M shares.

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Sector: Energy · By year: 2021 · 2022 · 2023 · 2024 · 2025 · 2026

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 202632.96%+2.39
31 Aug 202630.57%−0.39
14 Aug 202630.96%−3.13
31 Jul 202634.09%+2.89
15 Jul 202631.20%+0.26
30 Jun 202630.94%+1.19
15 Jun 202629.75%−0.74
29 May 202630.49%−0.50
15 May 202630.99%+0.99
30 Apr 202630.00%−0.24
15 Apr 202630.24%+1.21
31 Mar 202629.03%+1.45
13 Mar 202627.58%+1.10
27 Feb 202626.48%−4.30
13 Feb 202630.78%+2.66
30 Jan 202628.12%+0.37
15 Jan 202627.75%−0.33
31 Dec 202528.08%−0.64
15 Dec 202528.72%−0.95
28 Nov 202529.67%−3.30
14 Nov 202532.97%−1.45
31 Oct 202534.42%+2.66
15 Oct 202531.76%+0.54
30 Sep 202531.22%−0.42
15 Sep 202531.64%+0.29
29 Aug 202531.35%−0.05
15 Aug 202531.40%−0.80
31 Jul 202532.20%−2.98
15 Jul 202535.18%−2.12
30 Jun 202537.30%+3.01
13 Jun 202534.29%+2.38
30 May 202531.91%+2.25
15 May 202529.66%−0.31
30 Apr 202529.97%−0.59
15 Apr 202530.56%−0.94
31 Mar 202531.50%+0.28
14 Mar 202531.22%+0.49
28 Feb 202530.73%+1.41
14 Feb 202529.32%+0.05
31 Jan 202529.27%+1.95
15 Jan 202527.32%+0.76
31 Dec 202426.56%−0.02
13 Dec 202426.58%−0.27
29 Nov 202426.85%+0.54
15 Nov 202426.31%−0.13
31 Oct 202426.44%+0.46
15 Oct 202425.98%+0.67
30 Sep 202425.31%+1.89
13 Sep 202423.42%+0.37
30 Aug 202423.05%+0.85
15 Aug 202422.20%+1.02
31 Jul 202421.18%−0.72
15 Jul 202421.90%+0.42
28 Jun 202421.48%−1.47
14 Jun 202422.95%−0.74
31 May 202423.69%−1.41
15 May 202425.10%+0.88
30 Apr 202424.22%+1.06
15 Apr 202423.16%+1.20
28 Mar 202421.96%−0.17
15 Mar 202422.13%−0.42
29 Feb 202422.55%−6.72
15 Feb 202429.27%−1.35
31 Jan 202430.62%−1.00
12 Jan 202431.62%+5.14
29 Dec 202326.48%+1.29
15 Dec 202325.19%+1.31
30 Nov 202323.88%−1.87
15 Nov 202325.75%−5.09
31 Oct 202330.84%+1.58
13 Oct 202329.26%+0.79
29 Sep 202328.47%−0.67
15 Sep 202329.14%+3.36
31 Aug 202325.78%+2.70
15 Aug 202323.08%−1.43
31 Jul 202324.51%−3.29
14 Jul 202327.80%+1.94
30 Jun 202325.86%+7.59
15 Jun 202318.27%−0.12
31 May 202318.39%+6.55
15 May 202311.84%−5.03
28 Apr 202316.87%+1.62
14 Apr 202315.25%−0.57
31 Mar 202315.82%+2.99
15 Mar 202312.83%+1.01
28 Feb 202311.82%+2.71
15 Feb 20239.11%−0.55
31 Jan 20239.66%+1.56
13 Jan 20238.10%−1.90
30 Dec 202210.00%+0.63
15 Dec 20229.37%+2.41
30 Nov 20226.96%+0.54
15 Nov 20226.42%−0.79
31 Oct 20227.21%+1.21
14 Oct 20226.00%+0.46
30 Sep 20225.54%−4.58
15 Sep 202210.12%−0.65
31 Aug 202210.77%−0.30
15 Aug 202211.07%−5.38
29 Jul 202216.45%−5.57
15 Jul 202222.02%+0.43
30 Jun 202221.59%−3.48
15 Jun 202225.07%+0.99
31 May 202224.08%−0.86
13 May 202224.94%+2.38
29 Apr 202222.56%+0.80
14 Apr 202221.76%+1.11
31 Mar 202220.65%+0.70
15 Mar 202219.95%+7.42
28 Feb 202212.53%+0.44
15 Feb 202212.09%+0.92
31 Jan 202211.17%+0.77
14 Jan 202210.40%+0.22
31 Dec 202110.18%+0.54
15 Dec 20219.64%+1.71
30 Nov 20217.93%−0.84
15 Nov 20218.77%−0.11
29 Oct 20218.88%−0.67
15 Oct 20219.55%+0.07
30 Sep 20219.48%+0.32
15 Sep 20219.16%+0.19
31 Aug 20218.97%−0.02
13 Aug 20218.99%−0.99
30 Jul 20219.98%−0.16
15 Jul 202110.14%−1.34
30 Jun 202111.48%−0.26
15 Jun 202111.74%−2.67
28 May 202114.41%+1.82
14 May 202112.59%–

Newest first. Scroll inside the table for earlier dates, back to 14 May 2021.

Frequently asked questions

How shorted is Eos Energy Enterprises, Inc. right now?
32.96% of Eos Energy Enterprises, Inc.'s (EOSE) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 9th 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 EOSE'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 EOSE's days to cover?
4.13 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.