UM
IRM icon

UniSuper Management’s Iron Mountain IRM Stock Holding History

UniSuper Management’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 		$8.8M Sell
69,636
-22,272
-24% -$2.73M 0.05% 210
2026
Q1 		$9.39M Sell
91,908
-3,165
-3% -$315K 0.06% 169
2025
Q4 		$7.89M Sell
95,073
-22,986
-19% -$2.15M 0.05% 184
2025
Q3 		$12M Buy
118,059
+5,845
+5% +$563K 0.07% 154
2025
Q2 		$11.5M Sell
112,214
-1,279
-1% -$121K 0.08% 151
2025
Q1 		$9.76M Buy
113,493
+4,028
+4% +$388K 0.07% 158
2024
Q4 		$11.5M Buy
109,465
+5,393
+5% +$634K 0.08% 147
2024
Q3 		$12.4M Sell
104,072
-3,227
-3% -$345K 0.09% 143
2024
Q2 		$9.62M Buy
107,299
+92,262
+614% +$7.47M 0.08% 148
2024
Q1 		$1.21M Sell
15,037
-141,948
-90% -$10.3M 0.01% 424
2023
Q4 		$11M Buy
156,985
+1,015
+0.7% +$63.7K 0.12% 128
2023
Q3 		$9.27M Hold
155,970
– – 0.11% 132
2023
Q2 		$8.86M Buy
+155,970
New +$8.54M 0.1% 140

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

UniSuper Management's IRM Position: Q2 2026 in Review

UniSuper Management reduced its Iron Mountain (IRM) stake by 24% in Q2 2026, selling an estimated $2.73M and leaving 69,636 shares worth $8.8M. The position accounts for 0.05% of the portfolio, ranked #210.

UniSuper Management first reported a position in IRM in Q2 2023 and has held it in 13 quarters since. The position peaked at $12.4M in Q3 2024. 1,170 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • UniSuper Management held 69,636 shares of Iron Mountain worth $8.8M as of Q2 2026.
  • UniSuper Management sold 22,272 Iron Mountain shares in Q2 2026, an estimated $2.73M.
  • Iron Mountain made up 0.05% of UniSuper Management's portfolio in Q2 2026, its #210 holding.
  • UniSuper Management first reported a position in Iron Mountain in Q2 2023 and has held it in 13 quarters since.
  • UniSuper Management's Iron Mountain position peaked at $12.4M in Q3 2024.
  • 1,170 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on UniSuper Management's 13F filing for Q2 2026, filed 14 Aug 2026.