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Iron Mountain

1,050 hedge funds and large institutions have $28.8B invested in Iron Mountain in 2024 Q3 according to their latest regulatory filings, with 161 funds opening new positions, 323 increasing their positions, 416 reducing their positions, and 66 closing their positions.

New
Increased
Maintained
Reduced
Closed

144% more first-time investments, than exits

New positions opened: 161 | Existing positions closed: 66

61% more call options, than puts

Call options by funds: $357M | Put options by funds: $222M

33% more funds holding in top 10

Funds holding in top 10: 1824 (+6)

30% more capital invested

Capital invested by funds: $22.2B → $28.8B (+$6.56B)

9% more funds holding

Funds holding: 9651,050 (+85)

1.89% less ownership

Funds ownership: 84.59%82.7% (-1.9%)

22% less repeat investments, than reductions

Existing positions increased: 323 | Existing positions reduced: 416

Holders
1,050
Holders Change
+85
Holders Change %
+8.81%
% of All Funds
15.08%
Holding in Top 10
24
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+33.33%
% of All Funds
0.34%
New
161
Increased
323
Reduced
416
Closed
66
Calls
$357M
Puts
$222M
Net Calls
+$135M
Net Calls Change
+$55.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Mitsubishi UFJ Asset Management
51
Mitsubishi UFJ Asset Management
Japan
$72.7M +$3.73M +34,840 +6%
Fidelity Investments
52
Fidelity Investments
Massachusetts
$72.6M -$287M -2,681,971 -81%
HRES
53
Heitman Real Estate Securities
Illinois
$72.5M -$16.6M -155,361 -20%
AllianceBernstein
54
AllianceBernstein
Tennessee
$72.4M -$600K -5,614 -0.9%
Barclays
55
Barclays
United Kingdom
$70.3M -$4.88M -45,659 -7%
LPL Financial
56
LPL Financial
California
$70.2M +$9.53M +89,131 +18%
Rockefeller Capital Management
57
Rockefeller Capital Management
New York
$69M -$19.6M -182,825 -24%
Asset Management One
58
Asset Management One
Japan
$67.8M +$382K +3,571 +0.6%
Acadian Asset Management
59
Acadian Asset Management
Massachusetts
$66.6M +$51M +476,415 +566%
California Public Employees Retirement System
60
California Public Employees Retirement System
California
$62.2M -$903K -8,439 -2%
BNP Paribas Financial Markets
61
BNP Paribas Financial Markets
France
$61.7M +$28.9M +269,844 +108%
Royal Bank of Canada
62
Royal Bank of Canada
Ontario, Canada
$58.6M +$16.6M +155,461 +46%
AAMU
63
APG Asset Management US
New York
$56.8M +$8.56M +80,000 +20%
BTCPP
64
Border to Coast Pensions Partnership
United Kingdom
$56.3M -$9.63M -90,000 -16%
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$55.9M -$535K -5,005 -1%
CPC
66
Cookson Peirce & Co
Pennsylvania
$54.6M -$247K -2,308 -0.5%
National Pension Service
67
National Pension Service
South Korea
$54.6M +$6.54M +61,187 +15%
Nomura Asset Management
68
Nomura Asset Management
Japan
$54.2M +$751K +7,023 +2%
Envestnet Asset Management
69
Envestnet Asset Management
Illinois
$54.1M -$5.01M -46,849 -9%
Aviva
70
Aviva
United Kingdom
$52M -$1.89M -17,666 -4%
ACM
71
AEW Capital Management
Massachusetts
$51.9M -$16.3M -152,503 -26%
Canada Life
72
Canada Life
Manitoba, Canada
$50M +$1.51M +14,101 +3%
ACM
73
Adelante Capital Management
California
$47.2M +$40.8M +381,596 +2,442%
Principal Financial Group
74
Principal Financial Group
Iowa
$41.9M +$1.25M +11,685 +3%
MHIC
75
Marble Harbor Investment Counsel
Massachusetts
$41.6M -$9.52M -88,959 -20%

IRM Hedge Fund Activity: Q3 2024 in Review

1,050 of the 6,964 institutional investors tracked by Wall St. Rank reported a position in Iron Mountain (IRM) for Q3 2024, worth a combined $28.8B — up 30% from $22.2B a quarter earlier.

Buyers outnumbered sellers: 161 funds opened new IRM positions and 66 closed out — a net gain of 95 holders — while 323 added to existing stakes and 416 trimmed.

The largest buyer was BlackRock, adding an estimated $366M. The largest seller was Cohen & Steers, cutting an estimated $570M.

  • 1,050 institutional investors held Iron Mountain (IRM) as of Q3 2024, up from 965 in Q2 2024.
  • Funds reported $28.8B of Iron Mountain stock for Q3 2024, up 30% quarter-over-quarter.
  • 161 funds opened new Iron Mountain positions in Q3 2024 and 66 closed out, a net change of +95 holders.
  • The largest Iron Mountain buyer in Q3 2024 was BlackRock, an estimated $366M added.
  • The largest Iron Mountain seller in Q3 2024 was Cohen & Steers, an estimated $570M sold.

Based on aggregated 13F filings for Q3 2024.