Institutional Ownership
Iron Mtn Inc Del
CUSIP 46284V101COMIRMQ1 2026
Institutional Holders
1,070
13F filers
Shares Held
205.70M
Aggregate institutional
Institutional Value
$18.70B
Q1 2026
Net New Holders
+71
158 new · 87 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions158
Increased398
Decreased343
Sold out87
Institutional Holders
1,070 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | 33.02M | $3.37B | +101.7K | Added |
| 2 | State Street Corp | 17.55M | $1.81B | +662.8K | Added |
| 3 | Geode Capital Management, LLC | 8.49M | $863.70M | +193.5K | Added |
| 4 | Fmr LLC | 7.48M | $764.46M | −499.9K | Reduced |
| 5 | Morgan Stanley | 4.65M | $475.18M | +1.05M | Added |
| 6 | Principal Financial Group Inc | 4.57M | $466.38M | +358.5K | Added |
| 7 | Dimensional Fund Advisors LP | 4.55M | $464.93M | +122.9K | Added |
| 8 | Northern Trust Corp | 4.15M | $423.93M | −2.1K | Reduced |
| 9 | Charles Schwab Investment Management Inc | 4.01M | $409.89M | +132.7K | Added |
| 10 | Invesco Ltd. | 3.92M | $400.54M | −495.8K | Reduced |
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