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Mizuho Securities USA’s Iron Mountain IRM Stock Holding History

Mizuho Securities USA’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 		$2.94M Buy
23,293
+5,408
+30% +$663K 0.05% 343
2026
Q1 		$1.83M Sell
17,885
-3,638
-17% -$362K 0.04% 404
2025
Q4 		$1.86M Buy
21,523
+12
+0.1% +$1.12K 0.03% 439
2025
Q3 		$1.99M Buy
21,511
+1,125
+6% +$108K 0.04% 418
2025
Q2 		$2.09M Sell
20,386
-3,134
-13% -$295K 0.04% 382
2025
Q1 		$2.02M Sell
23,520
-4,293
-15% -$414K 0.04% 386
2024
Q4 		$2.92M Buy
27,813
+8,792
+46% +$1.03M 0.05% 337
2024
Q3 		$2.26M Sell
19,021
-3,582
-16% -$383K 0.05% 329
2024
Q2 		$2.03M Buy
+22,603
New +$1.83M 0.04% 365

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

Mizuho Securities USA's IRM Position: Q2 2026 in Review

Mizuho Securities USA increased its Iron Mountain (IRM) stake by 30% in Q2 2026, buying an estimated $663K and bringing the position to 23,293 shares worth $2.94M. The position accounts for 0.05% of the portfolio, ranked #343.

Mizuho Securities USA first reported a position in IRM in Q2 2024 and has held it in 9 quarters since. 1,165 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Mizuho Securities USA held 23,293 shares of Iron Mountain worth $2.94M as of Q2 2026.
  • Mizuho Securities USA bought 5,408 Iron Mountain shares in Q2 2026, an estimated $663K.
  • Iron Mountain made up 0.05% of Mizuho Securities USA's portfolio in Q2 2026, its #343 holding.
  • Mizuho Securities USA first reported a position in Iron Mountain in Q2 2024 and has held it in 9 quarters since.
  • 1,165 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.