IRON MOUNTAIN INC
At today's price, IRON MOUNTAIN INC (IRM) is priced for today's economics sustained for ~9.6 years. boothcheck doesn't publish a fair value or a price target; it shows what the price assumes, so you can judge whether that bar is too high. Built from SEC EDGAR filings.
• Iron Mountain began as the company that stores businesses' paper records in warehouses, and that boring, sticky base now funds a fast-growing data center and digital business that is reshaping what the company is. • The single most decisive number is organic growth: it hit 17% in the most recent quarter, the highest rate in over 25 years, with data center revenue up 47% and AFFO per share up 22% [Source: Iron Mountain Q1 2026 earnings release]. • The defining risk is the price plus the leverag
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1,058 institutional managers reported holding IRM in 13F filings for the quarter ended 2026-03-31. Together they hold about 84% of the company; the top 10 hold 49%. 159 opened new positions that quarter. Held by Vanguard Group, BlackRock, State Street, among others. On the short side, 8.1M shares were sold short as of the 2026-06-15 count, about 3% of shares outstanding (6.2 days of typical volume to cover).
Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.
IRM's share count grew 2.6% over the past five years. It pays a dividend, and has paid one every year in our records (16 and counting), raised 3 years straight; the current rate is $3.22 a share annually. Cash returned over the past three years: $2.36B in dividends.
Share counts are split-adjusted; repurchase totals are gross of share issuance. Nothing here is investment advice.
Open-market insider buys at IRM over the trailing three years: 2025: 1 buy totaling $3k. 22 officers and directors are on file.
Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.
IRM's recent reports: the day-one move, then what the following quarter actually did.
| report | day one | next quarter |
|---|---|---|
| 2023-08-04 | -1.2% | -4.7% |
| 2023-11-03 | +3.5% | +8.1% |
| 2024-02-23 | +9.5% | +3.3% |
| 2024-05-03 | -3.6% | +21.6% |
Day-one is the close-to-close move around the filing. Nothing here is investment advice.
IRM's latest 8-K filings: 2026-06-26 (items 1.01, 2.03, 9.01); 2026-05-12 (items 5.07, 8.01, 9.01); 2026-04-30 (items 2.02, 9.01); 2026-03-09 (items 8.01, 9.01); 2026-02-12 (items 2.02, 9.01).
Item codes are the SEC's own classification of what each report discloses. Nothing here is investment advice.
Last analyzed: June 27, 2026
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For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.