RIM
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Rakuten Investment Management’s Iron Mountain IRM Stock Holding History

Rakuten Investment 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 		$6.32M Buy
48,661
+4,768
+11% +$585K 0.02% 249
2026
Q1 		$4.28M Buy
43,893
+5,019
+13% +$499K 0.01% 282
2025
Q4 		$3.21M Buy
38,874
+8,296
+27% +$776K 0.01% 352
2025
Q3 		$1.86M Buy
+30,578
New +$2.95M 0.01% 428
2025
Q1 		$2.28M Buy
+26,840
New +$2.59M 0.01% 345
2024
Q3 		$1.94M Buy
16,618
+4,138
+33% +$443K 0.01% 250
2024
Q2 		$1.11M Buy
12,480
+4,628
+59% +$375K 0.01% 272
2024
Q1 		$630K Buy
7,852
+7,130
+988% +$516K ﹤0.01% 286
2023
Q4 		$51K Buy
+722
New +$45.3K ﹤0.01% 286

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

Rakuten Investment Management's IRM Position: Q2 2026 in Review

Rakuten Investment Management increased its Iron Mountain (IRM) stake by 11% in Q2 2026, buying an estimated $585K and bringing the position to 48,661 shares worth $6.32M. The position accounts for 0.02% of the portfolio, ranked #249.

Rakuten Investment Management first reported a position in IRM in Q4 2023 and has held it in 9 quarters since. 1,163 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Rakuten Investment Management held 48,661 shares of Iron Mountain worth $6.32M as of Q2 2026.
  • Rakuten Investment Management bought 4,768 Iron Mountain shares in Q2 2026, an estimated $585K.
  • Iron Mountain made up 0.02% of Rakuten Investment Management's portfolio in Q2 2026, its #249 holding.
  • Rakuten Investment Management first reported a position in Iron Mountain in Q4 2023 and has held it in 9 quarters since.
  • 1,163 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Rakuten Investment Management's 13F filing for Q2 2026, filed 18 Aug 2026.