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Investment Management Corp of Ontario (IMCO)’s Iron Mountain IRM Stock Holding History

Investment Management Corp of Ontario (IMCO)’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 		$2.39M Sell
18,935
-2,200
-10% -$270K 0.03% 385
2026
Q1 		$2.16M Sell
21,135
-3,854
-15% -$383K 0.03% 410
2025
Q4 		$2.07M Buy
24,989
+11,080
+80% +$1.04M 0.03% 416
2025
Q3 		$1.42M Buy
13,909
+6,718
+93% +$647K 0.02% 402
2025
Q2 		$738K Sell
7,191
-1,100
-13% -$104K 0.01% 456
2025
Q1 		$713K Sell
8,291
-22,653
-73% -$2.18M 0.01% 468
2024
Q4 		$3.25M Sell
30,944
-5,768
-16% -$678K 0.11% 118
2024
Q3 		$4.36M Sell
36,712
-730
-2% -$78.1K 0.1% 150
2024
Q2 		$3.36M Buy
37,442
+32,751
+698% +$2.65M 0.09% 159
2024
Q1 		$376K Sell
4,691
-2,100
-31% -$152K 0.01% 455
2023
Q4 		$475K Buy
+6,791
New +$426K 0.01% 475

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

Investment Management Corp of Ontario (IMCO)'s IRM Position: Q2 2026 in Review

Investment Management Corp of Ontario (IMCO) reduced its Iron Mountain (IRM) stake by 10% in Q2 2026, selling an estimated $270K and leaving 18,935 shares worth $2.39M. The position accounts for 0.03% of the portfolio, ranked #385.

Investment Management Corp of Ontario (IMCO) first reported a position in IRM in Q4 2023 and has held it in 11 quarters since. The position peaked at $4.36M in Q3 2024. 1,168 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Investment Management Corp of Ontario (IMCO) held 18,935 shares of Iron Mountain worth $2.39M as of Q2 2026.
  • Investment Management Corp of Ontario (IMCO) sold 2,200 Iron Mountain shares in Q2 2026, an estimated $270K.
  • Iron Mountain made up 0.03% of Investment Management Corp of Ontario (IMCO)'s portfolio in Q2 2026, its #385 holding.
  • Investment Management Corp of Ontario (IMCO) first reported a position in Iron Mountain in Q4 2023 and has held it in 11 quarters since.
  • Investment Management Corp of Ontario (IMCO)'s Iron Mountain position peaked at $4.36M in Q3 2024.
  • 1,168 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Investment Management Corp of Ontario (IMCO)'s 13F filing for Q2 2026, filed 14 Aug 2026.