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Israel Englander’s Iron Mountain IRM Stock Holding History

Israel Englander’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 		$3.85M Sell
30,500
-36,900
-55% -$4.52M ﹤0.01% 3247
2026
Q1 		$6.88M Sell
67,400
-7,200
-10% -$716K ﹤0.01% 2582
2025
Q4 		$6.19M Buy
74,600
+39,300
+111% +$3.68M ﹤0.01% 2775
2025
Q3 		$3.6M Sell
35,300
-7,800
-18% -$751K ﹤0.01% 3478
2025
Q2 		$4.42M Sell
43,100
-12,600
-23% -$1.19M ﹤0.01% 3123
2025
Q1 		$4.79M Buy
55,700
+2,300
+4% +$222K ﹤0.01% 2907
2024
Q4 		$5.61M Buy
53,400
+50,000
+1,471% +$5.87M ﹤0.01% 2720
2024
Q3 		$404K Buy
+3,400
New +$364K ﹤0.01% 4996
2023
Q1 		– Sell
-30,300
Closed -$1.51M – 6594
2022
Q4 		$1.51M Hold
30,300
– – ﹤0.01% 3802
2022
Q3 		$1.33M Buy
+30,300
New +$1.53M ﹤0.01% 4101
2021
Q4 		– Sell
-40,700
Closed -$1.77M – 7093
2021
Q3 		$1.77M Buy
+40,700
New +$1.83M ﹤0.01% 4067
2014
Q4 		– Sell
-29,000
Closed -$947K – 4090
2014
Q3 		$947K Buy
29,000
+2,058
+8% +$66.7K ﹤0.01% 2350
2014
Q2 		$883K Buy
+26,942
New +$731K ﹤0.01% 2269
2014
Q1 		– Sell
-10,387
Closed -$291K – 3679
2013
Q4 		$291K Buy
+10,387
New +$266K ﹤0.01% 3056
2013
Q3 		– Sell
-69,464
Closed -$1.71M – 3439
2013
Q2 		$1.71M Buy
+69,464
New +$2.24M 0.01% 1685

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

Israel Englander's IRM Position: Q2 2026 in Review

Israel Englander reduced its Iron Mountain (IRM) stake by 58% in Q2 2026, selling an estimated $26.7M and leaving 157,057 shares worth $19.8M. The position accounts for 0.01% of the portfolio, ranked #1633.

Israel Englander first reported a position in IRM in Q2 2013 and has held it in 41 quarters since. The position peaked at $76.9M in Q1 2024. 1,163 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Israel Englander held 157,057 shares of Iron Mountain worth $19.8M as of Q2 2026.
  • Israel Englander sold 217,406 Iron Mountain shares in Q2 2026, an estimated $26.7M.
  • Iron Mountain made up 0.01% of Israel Englander's portfolio in Q2 2026, its #1633 holding.
  • Israel Englander first reported a position in Iron Mountain in Q2 2013 and has held it in 41 quarters since.
  • Israel Englander's Iron Mountain position peaked at $76.9M in Q1 2024.
  • 1,163 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

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