Iron Mountain Inc. short interest in 2018

In 2018, Iron Mountain Inc.'s disclosed short interest ran from 7.95% of shares outstanding on 12 Jan 2018 to 9.26% on 31 Dec 2018, a change of +1.31 percentage points. The year's high was 9.26% on 31 Dec 2018 and its low 7.15% on 15 May 2018, averaging 8.17% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 23.97 days on 31 Aug 2018. Full history: Iron Mountain Inc..

Cite this page

Plain

Short position data for Iron Mountain Inc. short interest in 2018: FINRA, compiled by howshorted.com, settlement date 31 Dec 2018. https://howshorted.com/us/company/irm/2018/

Wikipedia

<ref>{{cite web |title=Iron Mountain Inc. short interest in 2018 short position data |url=https://howshorted.com/us/company/irm/2018/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2018-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-iron-mountain-inc-short-interest-in-2018-2018-12-31,
  title        = {Iron Mountain Inc. short interest in 2018 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/irm/2018/}},
  note         = {Data: FINRA, settlement date 31 Dec 2018; accessed 2026-10-13},
  year         = {2018}
}

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2018 in figures

Start of year: 7.95% (12 Jan 2018)
End of year: 9.26% (31 Dec 2018)
Change: +1.31 pp
High: 9.26% (31 Dec 2018)
Low: 7.15% (15 May 2018)
Average: 8.17%
Highest days to cover: 23.97 (31 Aug 2018)
SEC filings marked: 8

Every report in 2018

Iron Mountain Inc. short interest in 2018
Settlement	Short interest	Days to cover	Filings since previous
12 Jan 2018	7.95%	13.24
31 Jan 2018	8.07%	10.00
15 Feb 2018	7.46%	9.41
28 Feb 2018	7.49%	8.40	10-K filed, results (8-K)
15 Mar 2018	7.97%	11.92
29 Mar 2018	7.82%	10.47
13 Apr 2018	7.63%	14.71
30 Apr 2018	7.23%	14.39	10-Q filed, results (8-K)
15 May 2018	7.15%	14.25
31 May 2018	7.55%	15.93
15 Jun 2018	8.02%	12.39
29 Jun 2018	7.82%	11.76
13 Jul 2018	7.92%	14.61
31 Jul 2018	8.37%	9.96	10-Q filed, results (8-K)
15 Aug 2018	8.64%	15.01
31 Aug 2018	8.53%	23.97
14 Sep 2018	8.87%	16.25
28 Sep 2018	8.48%	14.82
15 Oct 2018	8.57%	11.81
31 Oct 2018	8.90%	9.43	10-Q filed, results (8-K)
15 Nov 2018	8.66%	14.85
30 Nov 2018	8.58%	14.26
14 Dec 2018	9.02%	12.78
31 Dec 2018	9.26%	11.39

About this data

US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.