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Marex Group’s Iron Mountain IRM Stock Holding History

Marex Group’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 		$1.01M Buy
7,987
+5,772
+261% +$708K ﹤0.01% 500
2026
Q1 		$226K Sell
2,215
-832
-27% -$82.8K ﹤0.01% 866
2025
Q4 		$253K Buy
+3,047
New +$285K ﹤0.01% 763
2025
Q2 		– Sell
-3,578
Closed -$308K – 799
2025
Q1 		$308K Sell
3,578
-920
-20% -$88.7K 0.01% 456
2024
Q4 		$473K Buy
4,498
+920
+26% +$108K 0.01% 356
2024
Q3 		$425K Sell
3,578
-68,522
-95% -$7.33M 0.01% 321
2024
Q2 		$6.46M Buy
+72,100
New +$5.84M 0.17% 78

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

Marex Group's IRM Position: Q2 2026 in Review

Marex Group increased its Iron Mountain (IRM) stake by 261% in Q2 2026, buying an estimated $708K and bringing the position to 7,987 shares worth $1.01M. The position accounts for ﹤0.01% of the portfolio, ranked #500.

Marex Group first reported a position in IRM in Q2 2024 and has held it in 7 quarters since. The position peaked at $6.46M in Q2 2024. 1,170 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Marex Group held 7,987 shares of Iron Mountain worth $1.01M as of Q2 2026.
  • Marex Group bought 5,772 Iron Mountain shares in Q2 2026, an estimated $708K.
  • Iron Mountain made up ﹤0.01% of Marex Group's portfolio in Q2 2026, its #500 holding.
  • Marex Group first reported a position in Iron Mountain in Q2 2024 and has held it in 7 quarters since.
  • Marex Group's Iron Mountain position peaked at $6.46M in Q2 2024.
  • 1,170 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Marex Group's 13F filing for Q2 2026, filed 14 Aug 2026.