IMC Chicago
IRM icon

IMC Chicago’s Iron Mountain IRM Stock Holding History

IMC Chicago’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 		– Sell
-21,647
Closed -$2.15M – 5846
2025
Q4 		$1.8M Buy
21,647
+7,036
+48% +$659K ﹤0.01% 2518
2025
Q3 		$1.49M Buy
+14,611
New +$1.41M ﹤0.01% 2440
2025
Q1 		– Sell
-10,973
Closed -$1.06M – 3300
2024
Q4 		$1.15M Buy
+10,973
New +$1.29M ﹤0.01% 2272

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

IMC Chicago's IRM Position: Q1 2026 in Review

IMC Chicago sold out of Iron Mountain (IRM) in Q1 2026, closing a stake of 21,647 shares — an estimated $2.15M sold.

IMC Chicago first reported a position in IRM in Q4 2024 and held it in 3 quarters. The position peaked at $1.8M in Q4 2025. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • IMC Chicago reported no remaining Iron Mountain position as of Q1 2026 after selling out during the quarter.
  • IMC Chicago sold 21,647 Iron Mountain shares in Q1 2026, an estimated $2.15M.
  • IMC Chicago first reported a position in Iron Mountain in Q4 2024 and held it in 3 quarters.
  • IMC Chicago's Iron Mountain position peaked at $1.8M in Q4 2025.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.