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
301
$2.72M
302
$2.71M
303
$2.68M
304
$2.68M
305
$2.66M
306
$2.63M
307
$2.61M
308
$2.6M
309
$2.57M
310
$2.57M
311
$2.55M
312
$2.55M
313
$2.54M
314
$2.51M
315
$2.51M
316
$2.5M
317
$2.49M
318
$2.47M
319
$2.44M
320
$2.44M
321
$2.43M
322
$2.38M
323
$2.36M
324
$2.35M
325
$2.28M