IRM
IRON MOUNTAIN INC
Real Estate Investment TrustsNYSELarge accelerated filer
Total Trades
157
Buys
1
Sells
104
Largest Trade
N/A
Insiders
15
Institutional Funds
900
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Meaney William L | President and CEO | EXERCISE | $500K+ | 21K | $31.00 | Jun 8, 2023 |
| Baker-Greene Edward | EVP, CHRO | SELL | $100K–$500K | 5K | $55.00 | Jun 8, 2023 |
| Borges Daniel | SVP & Chief Accoun… | SELL | $100K–$500K | 3K | $55.00 | Jun 8, 2023 |
| Meaney William L | President and CEO | SELL | $1M+ | 21K | $55.06 | May 24, 2023 |
| Meaney William L | President and CEO | EXERCISE | $500K+ | 21K | $31.00 | May 24, 2023 |
| RAKOWICH WALTER C | Director | SELL | $50K–$100K | 1K | $55.53 | May 22, 2023 |
| Allerton Jennifer | Director | SELL | $100K–$500K | 4K | $55.14 | May 19, 2023 |
| Meaney William L | President and CEO | SELL | $1M+ | 21K | $53.80 | Apr 17, 2023 |
| Meaney William L | President and CEO | EXERCISE | $500K+ | 21K | $31.00 | Apr 17, 2023 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $54.00 | Apr 13, 2023 |
| Meaney William L | President and CEO | SELL | $500K+ | 12K | $52.65 | Mar 13, 2023 |
| Meaney William L | President and CEO | EXERCISE | N/A | 19K | — | Mar 13, 2023 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $53.72 | Mar 10, 2023 |
| Meaney William L | President and CEO | SELL | $1M+ | 21K | $52.28 | Mar 6, 2023 |
| Meaney William L | President and CEO | EXERCISE | N/A | 34K | — | Mar 3, 2023 |
| Meaney William L | President and CEO | SELL | $1M+ | 81K | $52.57 | Mar 3, 2023 |
| Meaney William L | President and CEO | SELL | $1M+ | 63K | $52.78 | Feb 28, 2023 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $51.77 | Feb 27, 2023 |
| MARSON DEBORAH | EVP | EXERCISE | N/A | 18K | — | Feb 27, 2023 |
| Meaney William L | President and CEO | EXERCISE | $500K+ | 21K | $31.00 | Jan 13, 2023 |
| Meaney William L | President and CEO | SELL | $1M+ | 21K | $51.17 | Jan 13, 2023 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $50.58 | Jan 13, 2023 |
| Meaney William L | President and CEO | SELL | $1M+ | 21K | $50.20 | Dec 22, 2022 |
| Meaney William L | President and CEO | EXERCISE | $500K+ | 21K | $31.00 | Dec 22, 2022 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $55.15 | Dec 15, 2022 |
| Meaney William L | President and CEO | SELL | $1M+ | 21K | $52.28 | Nov 17, 2022 |
| Meaney William L | President and CEO | EXERCISE | $500K+ | 21K | $31.00 | Nov 17, 2022 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $50.18 | Nov 10, 2022 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $47.50 | Oct 20, 2022 |
| Meaney William L | President and CEO | SELL | $100K–$500K | 11K | $46.73 | Oct 6, 2022 |
| Meaney William L | President and CEO | EXERCISE | $100K–$500K | 11K | $31.00 | Oct 6, 2022 |
| Meaney William L | President and CEO | SELL | $100K–$500K | 11K | $46.20 | Oct 5, 2022 |
| Meaney William L | President and CEO | EXERCISE | $100K–$500K | 11K | $31.00 | Oct 5, 2022 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $53.82 | Sep 15, 2022 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $54.00 | Aug 11, 2022 |
| McIntosh Greg W | EVP, GM, Global RM | SELL | $100K–$500K | 6K | $52.95 | Aug 10, 2022 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $47.50 | Jul 15, 2022 |
| MARSON DEBORAH | EVP | SELL | $50K–$100K | 1K | $50.00 | Jun 15, 2022 |
| RAKOWICH WALTER C | Director | SELL | $50K–$100K | 1K | $53.60 | May 18, 2022 |
| Tomovcsik John | COO | SELL | $100K–$500K | 6K | $56.11 | Apr 15, 2022 |
| Evens Deirdre | EVP & GM | EXERCISE | $500K+ | 29K | $33.72 | Mar 31, 2022 |
| Evens Deirdre | EVP & GM | SELL | $1M+ | 29K | $55.00 | Mar 31, 2022 |
| Meaney William L | President and CEO | SELL | $15K–$50K | 614 | $50.72 | Mar 11, 2022 |
| Meaney William L | President and CEO | EXERCISE | N/A | 2K | — | Mar 11, 2022 |
| Baker-Greene Edward | EVP, CHRO | SELL | $100K–$500K | 6K | $51.31 | Mar 11, 2022 |
| Meaney William L | President and CEO | SELL | $100K–$500K | 8K | $49.67 | Mar 4, 2022 |
| Meaney William L | President and CEO | EXERCISE | N/A | 27K | — | Mar 4, 2022 |
| Evens Deirdre | EVP & GM | EXERCISE | N/A | 10K | — | Mar 4, 2022 |
| Evens Deirdre | EVP & GM | SELL | $500K+ | 10K | $50.00 | Mar 4, 2022 |
| Borges Daniel | SVP & Chief Accoun… | SELL | $15K–$50K | 584 | $49.67 | Mar 4, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 900 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| COHEN & STEERS, INC. | 18.9M | $1M+ | SH |
| STATE STREET CORP | 16.9M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 7.4M | $1M+ | SH |
| NORGES BANK | 4.4M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 4.2M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.9M | $1M+ | SH |
| Pictet Asset Management Holding SA | 2.3M | $1M+ | SH |
| CENTERSQUARE INVESTMENT MANAGEMENT LLC | 2.2M | $1M+ | SH |
| Capital World Investors | 2.1M | $1M+ | SH |
| PGGM Investments | 1.7M | $1M+ | SH |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 1.6M | $1M+ | SH |
| CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC | 1.4M | $1M+ | SH |
| DekaBank Deutsche Girozentrale | 1.1M | $1M+ | SH |
| Sumitomo Mitsui Trust Group, Inc. | 907K | $1M+ | SH |
| Mitsubishi UFJ Asset Management Co., Ltd. | 840K | $1M+ | SH |
| Swiss National Bank | 809K | $1M+ | SH |
| Point72 Asset Management, L.P. | 791K | $1M+ | SH |
| Nuveen, LLC | 729K | $1M+ | SH |
| BlackRock, Inc. | 700K | $1M+ | SH |
| WELCH & FORBES LLC | 656K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 13, 2026
6.5%
19.1M shares
SC 13G · Nov 14, 2025
5.4%
16.0M shares
SC 13G/A · Mar 7, 2025
4.3%
12.8M shares
Cohen & Steers, Inc. 14-1904657
SC 13G/A · Nov 14, 2024
6.2%
18.0M shares
STATE STREET CORPORATION 04-2456637
SC 13G · Oct 17, 2024
5.7%
16.6M shares
SC 13G/A · Sep 10, 2024
10.2%
29.9M shares
Cohen & Steers, Inc. 14-1904657
SC 13G · Feb 14, 2024
7.8%
22.9M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
15.8%
46.3M shares
SC 13G/A · Jan 26, 2024
8.0%
23.3M shares
Capital World Investors 95-1411037
SC 13G/A · Dec 11, 2023
1.6%
4.6M shares
Capital World Investors 95-1411037
SC 13G/A · Feb 13, 2023
8.8%
25.5M shares
SC 13G/A · Jan 30, 2023
7.8%
22.6M shares
Capital World Investors 95-1411037
SC 13G/A · Feb 11, 2022
11.3%
32.7M shares
SC 13G/A · Feb 1, 2022
7.9%
23.0M shares