DS
IRM icon

DRW Securities’s Iron Mountain IRM Stock Holding History

DRW Securities’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 		$1.68M Buy
16,414
+11,807
+256% +$1.17M 0.02% 236
2025
Q4 		$382K Sell
4,607
-9,807
-68% -$918K 0.01% 571
2025
Q3 		$1.47M Buy
14,414
+6,254
+77% +$603K 0.03% 310
2025
Q2 		$837K Buy
+8,160
New +$769K 0.02% 329
2023
Q4 		– Sell
-6,776
Closed -$403K – 387
2023
Q3 		$403K Buy
+6,776
New +$414K 0.01% 241

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

DRW Securities's IRM Position: Q1 2026 in Review

DRW Securities increased its Iron Mountain (IRM) stake by 256% in Q1 2026, buying an estimated $1.17M and bringing the position to 16,414 shares worth $1.68M. The position accounts for 0.02% of the portfolio, ranked #236.

DRW Securities first reported a position in IRM in Q3 2023 and has held it in 5 quarters since. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • DRW Securities held 16,414 shares of Iron Mountain worth $1.68M as of Q1 2026.
  • DRW Securities bought 11,807 Iron Mountain shares in Q1 2026, an estimated $1.17M.
  • Iron Mountain made up 0.02% of DRW Securities's portfolio in Q1 2026, its #236 holding.
  • DRW Securities first reported a position in Iron Mountain in Q3 2023 and has held it in 5 quarters since.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on DRW Securities's 13F filing for Q1 2026, filed 13 May 2026.