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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
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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Marex Group's IRM Position: Q1 2026 in Review

Marex Group reduced its Iron Mountain (IRM) stake by 27% in Q1 2026, selling an estimated $82.8K and leaving 2,215 shares worth $226K. The position accounts for ﹤0.01% of the portfolio, ranked #866.

Marex Group first reported a position in IRM in Q2 2024 and has held it in 6 quarters since. The position peaked at $6.46M in Q2 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Marex Group held 2,215 shares of Iron Mountain worth $226K as of Q1 2026.
  • Marex Group sold 832 Iron Mountain shares in Q1 2026, an estimated $82.8K.
  • Iron Mountain made up ﹤0.01% of Marex Group's portfolio in Q1 2026, its #866 holding.
  • Marex Group first reported a position in Iron Mountain in Q2 2024 and has held it in 6 quarters since.
  • Marex Group's Iron Mountain position peaked at $6.46M in Q2 2024.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Marex Group's 13F filing for Q1 2026, filed 13 May 2026.