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Iron Mountain

891 hedge funds and large institutions have $16.6B invested in Iron Mountain in 2023 Q4 according to their latest regulatory filings, with 135 funds opening new positions, 278 increasing their positions, 346 reducing their positions, and 64 closing their positions.

New
Increased
Maintained
Reduced
Closed

111% more first-time investments, than exits

New positions opened: 135 | Existing positions closed: 64

44% more call options, than puts

Call options by funds: $110M | Put options by funds: $76.5M

22% more capital invested

Capital invested by funds: $13.7B → $16.6B (+$2.95B)

7% more funds holding

Funds holding: 831891 (+60)

2.6% more ownership

Funds ownership: 78.71%81.31% (+2.6%)

15% less funds holding in top 10

Funds holding in top 10: 1311 (-2)

20% less repeat investments, than reductions

Existing positions increased: 278 | Existing positions reduced: 346

Holders
891
Holders Change
+60
Holders Change %
+7.22%
% of All Funds
12.99%
Holding in Top 10
11
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-15.38%
% of All Funds
0.16%
New
135
Increased
278
Reduced
346
Closed
64
Calls
$110M
Puts
$76.5M
Net Calls
+$33.8M
Net Calls Change
-$29.5M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.24B -$21.2M -337,656 -0.7%
BlackRock
2
BlackRock
New York
$1.63B +$71.2M +1,134,334 +5%
Cohen & Steers
3
Cohen & Steers
New York
$1.57B +$943M +15,035,937 +202%
State Street
4
State Street
Massachusetts
$974M +$37.6M +599,533 +5%
Morgan Stanley
5
Morgan Stanley
New York
$516M +$198M +3,149,485 +75%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$493M -$29.7M -473,252 -6%
Deutsche Bank
7
Deutsche Bank
Germany
$327M +$6.75M +107,664 +2%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$300M -$973K -15,517 -0.4%
Capital World Investors
9
Capital World Investors
California
$288M -$923M -14,718,745 -78%
Daiwa Securities Group
10
Daiwa Securities Group
Japan
$286M +$97M +1,546,592 +61%
Fidelity Investments
11
Fidelity Investments
Massachusetts
$247M +$8.93M +142,345 +4%
Invesco
12
Invesco
Georgia
$239M +$11.1M +176,794 +5%
Pictet Asset Management
13
Pictet Asset Management
Switzerland
$237M -$323K -5,152 -0.2%
Norges Bank
14
Norges Bank
Norway
$228M +$36.9M +588,849 +22%
Charles Schwab
15
Charles Schwab
California
$221M +$5.13M +81,741 +3%
Northern Trust
16
Northern Trust
Illinois
$219M -$49.2M -783,523 -20%
Wellington Management Group
17
Wellington Management Group
Massachusetts
$205M -$5.25M -83,630 -3%
Amundi
18
Amundi
France
$164M -$13.3M -212,117 -8%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$156M -$4.68M -74,574 -3%
Prudential Financial
20
Prudential Financial
New Jersey
$156M +$61.9M +986,016 +79%
Legal & General Group
21
Legal & General Group
United Kingdom
$151M -$2.99M -47,669 -2%
JP Morgan Chase
22
JP Morgan Chase
New York
$147M +$32M +509,833 +32%
Russell Investments Group
23
Russell Investments Group
United Kingdom
$146M +$48.5M +772,988 +59%
Citadel Advisors
24
Citadel Advisors
Florida
$139M +$10.5M +167,956 +9%
EIP
25
Epoch Investment Partners
New York
$138M -$23.9M -380,945 -16%

IRM Hedge Fund Activity: Q4 2023 in Review

891 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Iron Mountain (IRM) for Q4 2023, worth a combined $16.6B — up 22% from $13.7B a quarter earlier.

Buyers outnumbered sellers: 135 funds opened new IRM positions and 64 closed out — a net gain of 71 holders — while 278 added to existing stakes and 346 trimmed.

The largest buyer was Cohen & Steers, adding an estimated $943M. The largest seller was Capital World Investors, cutting an estimated $923M.

  • 891 institutional investors held Iron Mountain (IRM) as of Q4 2023, up from 831 in Q3 2023.
  • Funds reported $16.6B of Iron Mountain stock for Q4 2023, up 22% quarter-over-quarter.
  • 135 funds opened new Iron Mountain positions in Q4 2023 and 64 closed out, a net change of +71 holders.
  • The largest Iron Mountain buyer in Q4 2023 was Cohen & Steers, an estimated $943M added.
  • The largest Iron Mountain seller in Q4 2023 was Capital World Investors, an estimated $923M sold.

Based on aggregated 13F filings for Q4 2023.