IRM: Iron Mtn Inc Del insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 4 sales totaling $4.80M in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-01 | Mcintosh Greg W | Officer | $554K | yes |
| 2026-10-01 | Meaney William L | CEO | $1.46M | yes |
| 2026-10-01 | Meaney William L | CEO | $1.19M | yes |
| 2026-10-01 | Meaney William L | CEO | $1.59M | yes |
Institutional ownership (Q2 2026)
1,174 institutions reported holding $30.15B of Iron Mtn Inc Del on Form 13F (1,090 the quarter before). 141 opened a new position and 60 sold out. Shares held by institutions: +2%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 33,570,910 | $4.24B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 25,568,944 | $3.23B |
| VANGUARD CAPITAL MANAGEMENT LLC | 18,953,705 | $2.39B |
| STATE STREET CORP | 17,634,044 | $2.24B |
| GEODE CAPITAL MANAGEMENT, LLC | 8,649,249 | $1.09B |
| FMR LLC | 7,872,365 | $994.36M |
| DIMENSIONAL FUND ADVISORS LP | 4,625,684 | $584.31M |
| MORGAN STANLEY | 4,426,922 | $559.16M |
| PRINCIPAL FINANCIAL GROUP INC | 4,373,424 | $552.40M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 4,263,487 | $538.52M |
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