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Steven Cohen’s Iron Mountain IRM Stock Holding History

Steven Cohen’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 		$15.6M Sell
123,262
-254,356
-67% -$31.2M 0.02% 1014
2026
Q1 		$38.6M Sell
377,618
-412,886
-52% -$41.1M 0.05% 483
2025
Q4 		$65.6M Sell
790,504
-506,027
-39% -$47.4M 0.07% 309
2025
Q3 		$132M Buy
1,296,531
+282,152
+28% +$27.2M 0.22% 83
2025
Q2 		$104M Sell
1,014,379
-1,060,903
-51% -$100M 0.2% 114
2025
Q1 		$179M Buy
2,075,282
+874,622
+73% +$84.3M 0.41% 49
2024
Q4 		$126M Buy
1,200,660
+978,251
+440% +$115M 0.28% 75
2024
Q3 		$26.4M Buy
+222,409
New +$23.8M 0.07% 338
2024
Q2 		– Sell
-833,604
Closed -$66.9M – 2139
2024
Q1 		$66.9M Buy
833,604
+194,554
+30% +$14.1M 0.16% 138
2023
Q4 		$44.7M Buy
+639,050
New +$40.1M 0.11% 241
2023
Q3 		– Sell
-104,600
Closed -$5.94M – 2664
2023
Q2 		$5.94M Buy
104,600
+2,900
+3% +$159K 0.02% 754
2023
Q1 		$5.38M Buy
+101,700
New +$5.33M 0.02% 730

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

Steven Cohen's IRM Position: Q2 2026 in Review

Steven Cohen reduced its Iron Mountain (IRM) stake by 67% in Q2 2026, selling an estimated $31.2M and leaving 123,262 shares worth $15.6M. The position accounts for 0.02% of the portfolio, ranked #1014.

Steven Cohen first reported a position in IRM in Q1 2023 and has held it in 12 quarters since. The position peaked at $179M in Q1 2025. 1,163 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Steven Cohen held 123,262 shares of Iron Mountain worth $15.6M as of Q2 2026.
  • Steven Cohen sold 254,356 Iron Mountain shares in Q2 2026, an estimated $31.2M.
  • Iron Mountain made up 0.02% of Steven Cohen's portfolio in Q2 2026, its #1014 holding.
  • Steven Cohen first reported a position in Iron Mountain in Q1 2023 and has held it in 12 quarters since.
  • Steven Cohen's Iron Mountain position peaked at $179M in Q1 2025.
  • 1,163 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Point72 Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.