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TwinBeech Capital’s Iron Mountain IRM Stock Holding History

TwinBeech 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 		– Sell
-17,400
Closed -$1.78M – 528
2026
Q1 		$1.78M Sell
17,400
-28,500
-62% -$2.84M 0.18% 164
2025
Q4 		$3.81M Buy
+45,900
New +$4.3M 0.27% 113
2025
Q1 		– Sell
-9,094
Closed -$956K – 828
2024
Q4 		$956K Buy
+9,094
New +$1.07M 0.02% 385
2024
Q2 		– Sell
-4,210
Closed -$338K – 663
2024
Q1 		$338K Buy
+4,210
New +$305K 0.01% 480
2023
Q3 		– Sell
-69,610
Closed -$3.96M – 762
2023
Q2 		$3.96M Buy
+69,610
New +$3.81M 0.08% 282
2022
Q3 		– Sell
-5,259
Closed -$256K – 718
2022
Q2 		$256K Buy
+5,259
New +$277K 0.01% 464

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

TwinBeech Capital's IRM Position: Q2 2026 in Review

TwinBeech Capital sold out of Iron Mountain (IRM) in Q2 2026, closing a stake of 17,400 shares — an estimated $1.78M sold.

TwinBeech Capital first reported a position in IRM in Q2 2022 and held it in 6 quarters. The position peaked at $3.96M in Q2 2023. 1,171 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • TwinBeech Capital reported no remaining Iron Mountain position as of Q2 2026 after selling out during the quarter.
  • TwinBeech Capital sold 17,400 Iron Mountain shares in Q2 2026, an estimated $1.78M.
  • TwinBeech Capital first reported a position in Iron Mountain in Q2 2022 and held it in 6 quarters.
  • TwinBeech Capital's Iron Mountain position peaked at $3.96M in Q2 2023.
  • 1,171 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

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