A detailed history of Contour Asset Management LLC transactions in Iron Mountain Inc stock. As of the latest transaction made, Contour Asset Management LLC holds 3,165,830 shares of IRM stock, worth $289 Million. This represents 8.82% of its overall portfolio holdings.

Number of Shares
3,165,830
Previous 2,335,348 35.56%
Holding current value
$289 Million
Previous $240 Million 34.73%
% of portfolio
8.82%
Previous 8.71%

Shares

3 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$89.46 - $104.46 $74.3 Million - $86.8 Million
830,482 Added 35.56%
3,165,830 $323 Million
Q2 2025

Aug 14, 2025

BUY
$76.93 - $105.25 $69.9 Million - $95.6 Million
908,098 Added 63.63%
2,335,348 $240 Million
Q1 2025

May 15, 2025

BUY
$82.79 - $111.31 $118 Million - $159 Million
1,427,250 New
1,427,250 $123 Million

Others Institutions Holding IRM

About IRON MOUNTAIN INC


  • Ticker IRM
  • Exchange NYSE
  • Sector Real Estate
  • Industry REIT—Specialty
  • Shares Outstandng 290,684,992
  • Market Cap $26.6B
  • Description
  • Iron Mountain Incorporated (NYSE: IRM), founded in 1951, is the global leader for storage and information management services. Trusted by more than 225,000 organizations around the world, and with a real estate network of more than 90 million square feet across approximately 1,450 facilities in approximately 50 countries, Iron Mountain stores an...
More about IRM
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