IRON MTN INC

$IRM
Smart money positioned

21 of the Top-200 alpha managers hold $IRM as of the latest 13F snapshot.

13F holders
1,061
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

21 holders · Q1 2026

$IRM is held by 21 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.25%, with an average of 0.05% of portfolio. Largest holder: New Age Alpha Advisors, LLC at 0.25%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 1,061 · Source: 13F-HR
01
Menlo Advisors LLC
2.87% of portfolio
32,338,682 sh
02
Axa S.a.
0.06% of portfolio
17,551,633 sh
03
State Street
0.05% of portfolio
16,888,798 sh
04
US Bancorp De
0.07% of portfolio
5,988,258 sh
05
Bronte Capital Management Pty Ltd.
0.91% of portfolio
5,404,816 sh
06
ProShare Advisors LLC
0.04% of portfolio
4,447,133 sh
07
Strs Ohio
0.06% of portfolio
4,013,007 sh
08
Banyan Capital Management, Inc.
0.03% of portfolio
3,390,825 sh
09
Exor N.V.
0.01% of portfolio
2,715,180 sh
10
VK Services, LLC
4.80% of portfolio
2,701,312 sh
See all 1,061 13F holders · Pro →

Insider activity · last 90 days

43 transactions · 5 filers
02 Jan 2026
Kidd Mark
▼ SOLD
6,000
$83.10
S
02 Jan 2026
Meaney William L
▼ SOLD
12,673
$83.55
S
02 Jan 2026
Meaney William L
▼ SOLD
25,809
$82.99
S
01 Dec 2025
Kidd Mark
▼ SOLD
6,000
$85.00
S
01 Dec 2025
Meaney William L
▼ SOLD
10,569
$83.93
S
01 Dec 2025
Meaney William L
▼ SOLD
58,556
$83.23
S
19 Nov 2025
Kelly Christie B.
▲ BOUGHT
33
$89.52
P
03 Nov 2025
Kidd Mark
▼ SOLD
6,000
$102.51
S
03 Nov 2025
Meaney William L
▼ SOLD
10,828
$103.69
S
03 Nov 2025
Meaney William L
▼ SOLD
35,678
$102.92
S
03 Nov 2025
Meaney William L
▼ SOLD
22,619
$102.02
S
31 Oct 2025
Kidd Mark
▼ SOLD
7,306
$100.82
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

7 disclosures · STOCK Act
Senate · Oklahoma · Traded Feb 4
SOLD
$1K–$15K
Mar 2STOCK
Senate · Oklahoma · Traded Dec 18
SOLD
$15K–$50K
Jan 13STOCK
Senate · Oklahoma · Traded Dec 18
SOLD
$1K–$15K
Jan 13STOCK
House · California · Traded Aug 26
SOLD
$1K–$15K
Sep 12STOCK
House · California · Traded Jul 25
BOUGHT
$1K–$15K
Aug 8STOCK
House · California · Traded Mar 6
SOLD
$1K–$15K
Apr 11STOCK
House · California · Traded Feb 19
BOUGHT
$1K–$15K
Mar 6STOCK

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 07:20 UTC.