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HowShorted

How shorted is Unitil Corporation? UTL

#2,089most shorted US stockof 3,805 ranked stocks, more shorted than 45%

3.92%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.09
5 reports (~10 weeks)
+0.26
days to cover
6.02
Aggregate net short position time series for Unitil Corporation

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 Unitil Corporation days to cover

Fails to deliver

The SEC's fails-to-deliver figure for UTL: 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
863
17 Aug 2026
Highest in window
155,979
26 Jun 2026
Days with a balance
20
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Unitil Corporation 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 156K shares.

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Sector: Utilities

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20263.92%+0.09
31 Aug 20263.83%−0.05
14 Aug 20263.88%+0.18
31 Jul 20263.70%+0.02
15 Jul 20263.68%+0.02
30 Jun 20263.66%+0.72
15 Jun 20262.94%−0.05
29 May 20262.99%−0.04
15 May 20263.03%−0.01
30 Apr 20263.04%+0.08
15 Apr 20262.96%+0.07
31 Mar 20262.89%−0.78
13 Mar 20263.67%+0.29
27 Feb 20263.38%−0.03
13 Feb 20263.41%+0.31
30 Jan 20263.10%+0.18
15 Jan 20262.92%+0.01
31 Dec 20252.91%+0.08
15 Dec 20252.83%−0.33
28 Nov 20253.16%+0.10
14 Nov 20253.06%+1.44
31 Oct 20251.62%−0.73
15 Oct 20252.35%+0.18
30 Sep 20252.17%+0.96
15 Sep 20251.21%−0.15
29 Aug 20251.36%−1.26
15 Aug 20252.62%+0.09
31 Jul 20252.53%−0.07
15 Jul 20252.60%+0.27
30 Jun 20252.33%+0.72
13 Jun 20251.61%+0.04
30 May 20251.57%+0.10
15 May 20251.47%+0.57
30 Apr 20250.90%0.00
15 Apr 20250.90%−0.05
31 Mar 20250.95%+0.02
14 Mar 20250.93%+0.04
28 Feb 20250.89%−0.41
14 Feb 20251.30%−0.07
31 Jan 20251.37%−0.01
15 Jan 20251.38%+0.09
31 Dec 20241.29%−0.10
13 Dec 20241.39%+0.12
29 Nov 20241.27%0.00
15 Nov 20241.27%+0.10
31 Oct 20241.17%−0.04
15 Oct 20241.21%+0.27
30 Sep 20240.94%−0.15
13 Sep 20241.09%−0.14
30 Aug 20241.23%+0.06
15 Aug 20241.17%−0.11
31 Jul 20241.28%+0.31
15 Jul 20240.97%+0.19
28 Jun 20240.78%+0.01
14 Jun 20240.77%+0.22
31 May 20240.55%−0.02
15 May 20240.57%−0.02
30 Apr 20240.59%−0.02
15 Apr 20240.61%−0.13
28 Mar 20240.74%−0.36
15 Mar 20241.10%+0.20
29 Feb 20240.90%+0.12
15 Feb 20240.78%+0.16
31 Jan 20240.62%−0.26
12 Jan 20240.88%−0.04
29 Dec 20230.92%−0.25
15 Dec 20231.17%+0.03
30 Nov 20231.14%+0.43
15 Nov 20230.71%+0.24
31 Oct 20230.47%−0.19
13 Oct 20230.66%−0.12
29 Sep 20230.78%+0.03
15 Sep 20230.75%−0.47
31 Aug 20231.22%+0.05
15 Aug 20231.17%−0.08
31 Jul 20231.25%−0.20
14 Jul 20231.45%+0.05
30 Jun 20231.40%−0.17
15 Jun 20231.57%+0.04
31 May 20231.53%−0.06
15 May 20231.59%+0.33
28 Apr 20231.26%−0.34
14 Apr 20231.60%+0.71
31 Mar 20230.89%−0.23
15 Mar 20231.12%−0.25
28 Feb 20231.37%+0.23
15 Feb 20231.14%+0.06
31 Jan 20231.08%+0.11
13 Jan 20230.97%−0.05
30 Dec 20221.02%+0.03
15 Dec 20220.99%−0.11
30 Nov 20221.10%−0.09
15 Nov 20221.19%−0.13
31 Oct 20221.32%−0.31
14 Oct 20221.63%+0.04
30 Sep 20221.59%+0.14
15 Sep 20221.45%−0.13
31 Aug 20221.58%−0.09
15 Aug 20221.67%+0.04
29 Jul 20221.63%−0.05
15 Jul 20221.68%0.00
30 Jun 20221.68%+0.10
15 Jun 20221.58%+0.10
31 May 20221.48%+0.18
13 May 20221.30%+0.02
29 Apr 20221.28%−0.05
14 Apr 20221.33%+0.02
31 Mar 20221.31%−0.27
15 Mar 20221.58%+0.28
28 Feb 20221.30%+0.04
15 Feb 20221.26%+0.26
31 Jan 20221.00%+0.16
14 Jan 20220.84%−0.27
31 Dec 20211.11%+0.03
15 Dec 20211.08%−0.02
30 Nov 20211.10%+0.07
15 Nov 20211.03%−0.19
29 Oct 20211.22%+0.01
15 Oct 20211.21%−0.36
30 Sep 20211.57%+0.07
15 Sep 20211.50%+0.04
31 Aug 20211.46%+0.20
13 Aug 20211.26%−1.09
30 Jul 20212.35%+0.11
15 Jul 20212.24%−0.07
30 Jun 20212.31%−0.38
15 Jun 20212.69%−1.11
28 May 20213.80%−0.51
14 May 20214.31%+2.48
30 Apr 20211.83%+0.42
15 Apr 20211.41%−0.12
31 Mar 20211.53%−0.21
15 Mar 20211.74%−0.14
26 Feb 20211.88%+0.17
12 Feb 20211.71%+0.01
29 Jan 20211.70%+0.11
15 Jan 20211.59%−0.05
31 Dec 20201.64%+0.57
15 Dec 20201.07%−0.06
30 Nov 20201.13%+0.41
13 Nov 20200.72%−0.11
30 Oct 20200.83%−0.22
15 Oct 20201.05%−0.31
30 Sep 20201.36%+0.23
15 Sep 20201.13%+0.17
31 Aug 20200.96%−0.09
14 Aug 20201.05%+0.04
31 Jul 20201.01%+0.04
15 Jul 20200.97%−0.23
30 Jun 20201.20%+0.33
15 Jun 20200.87%+0.02
29 May 20200.85%−0.09
15 May 20200.94%−0.34
30 Apr 20201.28%+0.13
15 Apr 20201.15%+0.03
31 Mar 20201.12%−0.23
13 Mar 20201.35%+0.36
28 Feb 20200.99%+0.22
14 Feb 20200.77%+0.21
31 Jan 20200.56%+0.01
15 Jan 20200.55%+0.11
31 Dec 20190.44%−0.25
13 Dec 20190.69%+0.15
29 Nov 20190.54%−0.01
15 Nov 20190.55%0.00
31 Oct 20190.55%−0.11
15 Oct 20190.66%+0.11
30 Sep 20190.55%−0.14
13 Sep 20190.69%+0.06
30 Aug 20190.63%+0.10
15 Aug 20190.53%+0.05
31 Jul 20190.48%−0.11
15 Jul 20190.59%−0.17
28 Jun 20190.76%+0.24
14 Jun 20190.52%+0.10
31 May 20190.42%−0.10
15 May 20190.52%−0.01
30 Apr 20190.53%−0.13
15 Apr 20190.66%−0.15
29 Mar 20190.81%−0.16
15 Mar 20190.97%0.00
28 Feb 20190.97%−0.04
15 Feb 20191.01%−0.10
31 Jan 20191.11%+0.02
15 Jan 20191.09%−0.07
31 Dec 20181.16%+0.15
14 Dec 20181.01%0.00
30 Nov 20181.01%+0.30
15 Nov 20180.71%−0.05
31 Oct 20180.76%−0.22
15 Oct 20180.98%−0.03
28 Sep 20181.01%+0.18
14 Sep 20180.83%−0.11
31 Aug 20180.94%−0.05
15 Aug 20180.99%+0.27
31 Jul 20180.72%−0.44
13 Jul 20181.16%+0.23
29 Jun 20180.93%+0.29
15 Jun 20180.64%+0.08
31 May 20180.56%+0.03
15 May 20180.53%−0.10
30 Apr 20180.63%−0.04
13 Apr 20180.67%−0.19
29 Mar 20180.86%+0.12
15 Mar 20180.74%−0.09
28 Feb 20180.83%−0.01
15 Feb 20180.84%+0.01
31 Jan 20180.83%+0.09
12 Jan 20180.74%+0.27
29 Dec 20170.47%–

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

Frequently asked questions

How shorted is Unitil Corporation right now?
3.92% of Unitil Corporation's (UTL) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 2,089th 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 UTL'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 UTL's days to cover?
6.02 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.