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Syon Capital’s Iron Mountain IRM Stock Holding History

Syon Capital’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 		$1.08M Buy
8,540
+187
+2% +$22.9K 0.05% 325
2026
Q1 		$853K Buy
8,353
+3,248
+64% +$323K 0.04% 350
2025
Q4 		$423K Buy
5,105
+1,201
+31% +$112K 0.02% 620
2025
Q3 		$398K Buy
3,904
+1,168
+43% +$113K 0.02% 570
2025
Q2 		$281K Buy
+2,736
New +$258K 0.02% 571
2025
Q1 		– Sell
-2,014
Closed -$212K – 624
2024
Q4 		$212K Sell
2,014
-82
-4% -$9.63K 0.02% 505
2024
Q3 		$249K Buy
+2,096
New +$224K 0.02% 397

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

Syon Capital's IRM Position: Q2 2026 in Review

Syon Capital increased its Iron Mountain (IRM) stake by 2.2% in Q2 2026, buying an estimated $22.9K and bringing the position to 8,540 shares worth $1.08M. The position accounts for 0.05% of the portfolio, ranked #325.

Syon Capital first reported a position in IRM in Q3 2024 and has held it in 7 quarters since. 1,172 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Syon Capital held 8,540 shares of Iron Mountain worth $1.08M as of Q2 2026.
  • Syon Capital bought 187 Iron Mountain shares in Q2 2026, an estimated $22.9K.
  • Iron Mountain made up 0.05% of Syon Capital's portfolio in Q2 2026, its #325 holding.
  • Syon Capital first reported a position in Iron Mountain in Q3 2024 and has held it in 7 quarters since.
  • 1,172 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Syon Capital's 13F filing for Q2 2026, filed 14 Aug 2026.