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Osmosis Investment Management UK’s Iron Mountain IRM Stock Holding History

Osmosis Investment Management UK’s Portfolio IRM Stock Details IRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.42M Sell
19,143
-38,567
-67% -$4.73M 0.11% 160
2026
Q1 		$5.94M Buy
57,710
+40,180
+229% +$4M 0.16% 132
2025
Q4 		$1.47M Buy
+17,530
New +$1.64M 0.04% 268

Other funds holding IRM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Osmosis Investment Management UK's IRM Position: Q2 2026 in Review

Osmosis Investment Management UK reduced its Iron Mountain (IRM) stake by 67% in Q2 2026, selling an estimated $4.73M and leaving 19,143 shares worth $2.42M. The position accounts for 0.11% of the portfolio, ranked #160.

Osmosis Investment Management UK first reported a position in IRM in Q4 2025 and has held it in 3 quarters since. The position peaked at $5.94M in Q1 2026. 1,168 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Osmosis Investment Management UK held 19,143 shares of Iron Mountain worth $2.42M as of Q2 2026.
  • Osmosis Investment Management UK sold 38,567 Iron Mountain shares in Q2 2026, an estimated $4.73M.
  • Iron Mountain made up 0.11% of Osmosis Investment Management UK's portfolio in Q2 2026, its #160 holding.
  • Osmosis Investment Management UK first reported a position in Iron Mountain in Q4 2025 and has held it in 3 quarters since.
  • Osmosis Investment Management UK's Iron Mountain position peaked at $5.94M in Q1 2026.
  • 1,168 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Osmosis Investment Management UK's 13F filing for Q2 2026, filed 13 Aug 2026.