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Centersquare Investment Management’s Iron Mountain IRM Stock Holding History

Centersquare Investment Management’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 		$294M Buy
2,323,974
+13,929
+0.6% +$1.71M 2.51% 13
2026
Q1 		$236M Sell
2,310,045
-321,408
-12% -$32M 2.44% 16
2025
Q4 		$218M Buy
2,631,453
+116,989
+5% +$10.9M 2.15% 15
2025
Q3 		$256M Buy
2,514,464
+483,548
+24% +$46.6M 2.58% 14
2025
Q2 		$208M Buy
2,030,916
+22,479
+1% +$2.12M 2.16% 17
2025
Q1 		$173M Buy
2,008,437
+302,185
+18% +$29.1M 1.79% 19
2024
Q4 		$179M Sell
1,706,252
-40,967
-2% -$4.81M 1.89% 21
2024
Q3 		$208M Sell
1,747,219
-662,383
-27% -$70.8M 1.95% 20
2024
Q2 		$216M Buy
2,409,602
+871,116
+57% +$70.5M 2.34% 17
2024
Q1 		$119M Buy
1,538,486
+1,519,237
+7,893% +$110M 1.38% 25
2023
Q4 		$1.35M Buy
19,249
+114
+0.6% +$7.15K 0.02% 64
2023
Q3 		$1.14M Buy
19,135
+497
+3% +$30.4K 0.01% 71
2023
Q2 		$1.06M Buy
18,638
+5,301
+40% +$290K 0.01% 75
2023
Q1 		$706K Buy
+13,337
New +$699K 0.01% 80
2022
Q3 		– Sell
-88
Closed -$4K – 97
2022
Q2 		$4K Buy
+88
New +$4.63K ﹤0.01% 99
2020
Q4 		– Sell
-2,075,135
Closed -$55.6M – 110
2020
Q3 		$55.6M Sell
2,075,135
-533,332
-20% -$15.2M 0.83% 38
2020
Q2 		$68.1M Buy
2,608,467
+237,357
+10% +$5.99M 1% 37
2020
Q1 		$56.4M Sell
2,371,110
-1,090,090
-31% -$33M 1.06% 30
2019
Q4 		$110M Sell
3,461,200
-295,189
-8% -$9.68M 1.41% 26
2019
Q3 		$122M Buy
3,756,389
+194,630
+5% +$6.11M 1.59% 22
2019
Q2 		$111M Buy
3,561,759
+311,030
+10% +$10.2M 1.57% 22
2019
Q1 		$115M Sell
3,250,729
-246,950
-7% -$8.72M 1.65% 23
2018
Q4 		$113M Buy
3,497,679
+289,977
+9% +$9.51M 1.81% 21
2018
Q3 		$111M Sell
3,207,702
-171,375
-5% -$6.1M 1.64% 27
2018
Q2 		$118M Sell
3,379,077
-788,970
-19% -$26.6M 1.67% 25
2018
Q1 		$137M Buy
+4,168,047
New +$140M 2.14% 18

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

Centersquare Investment Management's IRM Position: Q2 2026 in Review

Centersquare Investment Management increased its Iron Mountain (IRM) stake by 0.6% in Q2 2026, buying an estimated $1.71M and bringing the position to 2,323,974 shares worth $294M. The position accounts for 2.51% of the portfolio, ranked #13.

Centersquare Investment Management first reported a position in IRM in Q1 2018 and has held it in 26 quarters since. 1,168 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Centersquare Investment Management held 2,323,974 shares of Iron Mountain worth $294M as of Q2 2026.
  • Centersquare Investment Management bought 13,929 Iron Mountain shares in Q2 2026, an estimated $1.71M.
  • Iron Mountain made up 2.51% of Centersquare Investment Management's portfolio in Q2 2026, its #13 holding.
  • Centersquare Investment Management first reported a position in Iron Mountain in Q1 2018 and has held it in 26 quarters since.
  • 1,168 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Centersquare Investment Management's 13F filing for Q2 2026, filed 7 Aug 2026.