IRM icon

Iron Mountain

987 hedge funds and large institutions have $20.8B invested in Iron Mountain in 2025 Q1 according to their latest regulatory filings, with 89 funds opening new positions, 345 increasing their positions, 398 reducing their positions, and 144 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less funds holding in top 10

Funds holding in top 10:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

18% less capital invested

Capital invested by funds: $25.4B → $20.8B (-$4.61B)

24% less call options, than puts

Call options by funds: $151M | Put options by funds: $197M

38% less first-time investments, than exits

New positions opened: 89 | Existing positions closed: 144

Holders
987
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$151M
Puts
$197M
Net Calls
Net Calls Change

Top Buyers

1 +$397M
2 +$271M
3 +$123M
4
Goldman Sachs
Goldman Sachs
New York
+$78.6M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$75.3M

Top Sellers

1 -$224M
2 -$151M
3 -$146M
4
Cohen & Steers
Cohen & Steers
New York
-$123M
5
Wellington Management Group
Wellington Management Group
Massachusetts
-$41.3M
Name Holding Trade Value Shares
Change
Change in
Stake
326
$2.28M
327
$2.24M
328
$2.19M
329
$2.17M
330
$2.17M
331
$2.17M
332
$2.16M
333
$2.16M
334
$2.13M
335
$2.13M
336
$2.09M
337
$2.09M
338
$2.08M
339
$2.08M
340
$2.06M
341
$2.05M
342
$2.04M
343
$2.04M
344
$2.02M
345
$2.02M
346
$2M
347
$2M
348
$1.99M
349
$1.99M
350
$1.98M