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HowShorted

How shorted is Trinity Industries, Inc.? TRN

#1,541most shorted US stockof 3,805 ranked stocks, more shorted than 59%

5.46%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+0.24
5 reports (~10 weeks)
−1.28
days to cover
8.20
Aggregate net short position time series for Trinity Industries, 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 Trinity Industries, 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
30 Jul 20266.51% 15 Jul 20264.62% 31 Jul 2026−1.89
30 Apr 20263.83% 15 Apr 20264.80% 15 May 2026+0.97
12 Feb 20263.53% 30 Jan 20263.82% 13 Feb 2026+0.29
30 Oct 20252.76% 15 Oct 20252.91% 31 Oct 2025+0.15
31 Jul 20252.70% 15 Jul 20253.43% 15 Aug 2025+0.73
1 May 20253.25% 30 Apr 20253.21% 15 May 2025−0.04
20 Feb 20252.21% 14 Feb 20252.27% 28 Feb 2025+0.06
31 Oct 20242.41% 15 Oct 20243.45% 15 Nov 2024+1.04

Fails to deliver

The SEC's fails-to-deliver figure for TRN: 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
433
14 Sep 2026
Highest in window
21,803
19 Sep 2025
Days with a balance
41
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Trinity Industries, 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 22K shares.

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Sector: Industrials

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 20265.46%+0.24
31 Aug 20265.22%−0.05
14 Aug 20265.27%+0.65
31 Jul 20264.62%−1.89
15 Jul 20266.51%−0.23
30 Jun 20266.74%+0.43
15 Jun 20266.31%+0.69
29 May 20265.62%+0.82
15 May 20264.80%+0.48
30 Apr 20264.32%+0.49
15 Apr 20263.83%−0.19
31 Mar 20264.02%−0.64
13 Mar 20264.66%+0.69
27 Feb 20263.97%+0.15
13 Feb 20263.82%+0.29
30 Jan 20263.53%−0.39
15 Jan 20263.92%+0.08
31 Dec 20253.84%+0.14
15 Dec 20253.70%−0.02
28 Nov 20253.72%+0.39
14 Nov 20253.33%+0.42
31 Oct 20252.91%+0.15
15 Oct 20252.76%−0.26
30 Sep 20253.02%−0.12
15 Sep 20253.14%−0.44
29 Aug 20253.58%+0.15
15 Aug 20253.43%+0.58
31 Jul 20252.85%+0.15
15 Jul 20252.70%−0.08
30 Jun 20252.78%−0.41
13 Jun 20253.19%+0.01
30 May 20253.18%−0.03
15 May 20253.21%−0.04
30 Apr 20253.25%+0.81
15 Apr 20252.44%+0.36
31 Mar 20252.08%−0.13
14 Mar 20252.21%−0.06
28 Feb 20252.27%+0.06
14 Feb 20252.21%−0.18
31 Jan 20252.39%−0.35
15 Jan 20252.74%+0.06
31 Dec 20242.68%−0.67
13 Dec 20243.35%−0.15
29 Nov 20243.50%+0.05
15 Nov 20243.45%+0.93
31 Oct 20242.52%+0.11
15 Oct 20242.41%−0.11
30 Sep 20242.52%+0.05
13 Sep 20242.47%+0.27
30 Aug 20242.20%−0.21
15 Aug 20242.41%+0.32
31 Jul 20242.09%+0.34
15 Jul 20241.75%+0.03
28 Jun 20241.72%−0.23
14 Jun 20241.95%−0.09
31 May 20242.04%+0.11
15 May 20241.93%+0.18
30 Apr 20241.75%−0.35
15 Apr 20242.10%−0.02
28 Mar 20242.12%−0.09
15 Mar 20242.21%−0.01
29 Feb 20242.22%−0.65
15 Feb 20242.87%+0.17
31 Jan 20242.70%+0.15
12 Jan 20242.55%+0.59
29 Dec 20231.96%−0.24
15 Dec 20232.20%+0.23
30 Nov 20231.97%−0.19
15 Nov 20232.16%+0.30
31 Oct 20231.86%−0.03
13 Oct 20231.89%−0.01
29 Sep 20231.90%0.00
15 Sep 20231.90%+0.23
31 Aug 20231.67%+0.10
15 Aug 20231.57%+0.05
31 Jul 20231.52%−0.11
14 Jul 20231.63%−0.11
30 Jun 20231.74%−0.30
15 Jun 20232.04%−0.15
31 May 20232.19%−0.01
15 May 20232.20%+0.05
28 Apr 20232.15%−0.07
14 Apr 20232.22%+0.09
31 Mar 20232.13%−0.52
15 Mar 20232.65%−0.39
28 Feb 20233.04%+0.25
15 Feb 20232.79%+0.07
31 Jan 20232.72%−0.31
13 Jan 20233.03%+0.18
30 Dec 20222.85%−0.11
15 Dec 20222.96%−0.17
30 Nov 20223.13%−0.21
15 Nov 20223.34%−0.25
31 Oct 20223.59%−0.44
14 Oct 20224.03%+0.02
30 Sep 20224.01%+0.88
15 Sep 20223.13%−0.37
31 Aug 20223.50%−0.36
15 Aug 20223.86%−0.42
29 Jul 20224.28%−0.64
15 Jul 20224.92%+0.38
30 Jun 20224.54%+0.44
15 Jun 20224.10%−0.25
31 May 20224.35%−0.03
13 May 20224.38%−0.23
29 Apr 20224.61%−0.35
14 Apr 20224.96%−0.31
31 Mar 20225.27%−0.66
15 Mar 20225.93%−1.04
28 Feb 20226.97%−3.77
15 Feb 202210.74%+1.15
31 Jan 20229.59%+0.15
14 Jan 20229.44%+2.42
31 Dec 20217.02%−0.90
15 Dec 20217.92%+0.65
30 Nov 20217.27%+0.14
15 Nov 20217.13%−1.24
29 Oct 20218.37%−0.17
15 Oct 20218.54%−0.12
30 Sep 20218.66%−0.79
15 Sep 20219.45%−0.33
31 Aug 20219.78%+0.15
13 Aug 20219.63%+0.16
30 Jul 20219.47%+1.02
15 Jul 20218.45%−0.40
30 Jun 20218.85%+0.89
15 Jun 20217.96%+0.30
28 May 20217.66%−0.04
14 May 20217.70%−0.15
30 Apr 20217.85%+0.34
15 Apr 20217.51%+0.08
31 Mar 20217.43%+0.13
15 Mar 20217.30%−0.06
26 Feb 20217.36%−0.24
12 Feb 20217.60%−3.28
29 Jan 202110.88%−1.00
15 Jan 202111.88%−0.43
31 Dec 202012.31%+0.15
15 Dec 202012.16%−0.13
30 Nov 202012.29%−0.85
13 Nov 202013.14%−0.42
30 Oct 202013.56%+0.71
15 Oct 202012.85%−0.19
30 Sep 202013.04%−0.14
15 Sep 202013.18%+0.39
31 Aug 202012.79%+0.29
14 Aug 202012.50%+0.26
31 Jul 202012.24%+0.18
15 Jul 202012.06%+0.87
30 Jun 202011.19%−0.10
15 Jun 202011.29%−0.29
29 May 202011.58%−0.07
15 May 202011.65%+1.58
30 Apr 202010.07%−0.75
15 Apr 202010.82%−0.35
31 Mar 202011.17%−0.64
13 Mar 202011.81%−0.49
28 Feb 202012.30%+0.47
14 Feb 202011.83%−0.12
31 Jan 202011.95%+0.55
15 Jan 202011.40%−0.75
31 Dec 201912.15%+0.70
13 Dec 201911.45%+0.54
29 Nov 201910.91%−0.74
15 Nov 201911.65%+1.04
31 Oct 201910.61%−0.54
15 Oct 201911.15%+0.63
30 Sep 201910.52%−0.66
13 Sep 201911.18%+0.80
30 Aug 201910.38%−0.25
15 Aug 201910.63%+0.97
31 Jul 20199.66%+0.89
15 Jul 20198.77%−0.60
28 Jun 20199.37%+0.30
14 Jun 20199.07%−0.53
31 May 20199.60%+1.11
15 May 20198.49%+0.96
30 Apr 20197.53%+0.31
15 Apr 20197.22%+0.29
29 Mar 20196.93%−0.70
15 Mar 20197.63%+0.36
28 Feb 20197.27%−0.17
15 Feb 20197.44%−0.26
31 Jan 20197.70%+4.61
15 Nov 20183.09%−0.04
31 Oct 20183.13%+0.83
15 Oct 20182.30%−0.36
28 Sep 20182.66%−0.73
14 Sep 20183.39%+0.15
31 Aug 20183.24%−0.34
15 Aug 20183.58%0.00
31 Jul 20183.58%−0.03
13 Jul 20183.61%−0.46
29 Jun 20184.07%−1.30
15 Jun 20185.37%−2.57
31 May 20187.94%−1.92
15 May 20189.86%+1.25
30 Apr 20188.61%+1.56
13 Apr 20187.05%+0.04
29 Mar 20187.01%+0.60
15 Mar 20186.41%−0.49
28 Feb 20186.90%+0.10
15 Feb 20186.80%+0.39
31 Jan 20186.41%−0.44
12 Jan 20186.85%+0.03
29 Dec 20176.82%–

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

Frequently asked questions

How shorted is Trinity Industries, Inc. right now?
5.46% of Trinity Industries, Inc.'s (TRN) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1,541st 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 TRN'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 TRN's days to cover?
8.20 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.