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Aster Capital Management’s Iron Mountain IRM Stock Holding History

Aster Capital 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
2025
Q3 		– Sell
-19,478
Closed -$2M – 1161
2025
Q2 		$2M Buy
+19,478
New +$1.84M 0.45% 53
2025
Q1 		– Sell
-22
Closed -$2.31K – 1461
2024
Q4 		$2.31K Buy
+22
New +$2.58K ﹤0.01% 953

Other funds holding IRM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Aster Capital Management's IRM Position: Q3 2025 in Review

Aster Capital Management sold out of Iron Mountain (IRM) in Q3 2025, closing a stake of 19,478 shares — an estimated $2M sold.

Aster Capital Management first reported a position in IRM in Q4 2024 and held it in 2 quarters. The position peaked at $2M in Q2 2025. 1,015 funds tracked by Wall St. Rank hold IRM as of Q3 2025.

  • Aster Capital Management reported no remaining Iron Mountain position as of Q3 2025 after selling out during the quarter.
  • Aster Capital Management sold 19,478 Iron Mountain shares in Q3 2025, an estimated $2M.
  • Aster Capital Management first reported a position in Iron Mountain in Q4 2024 and held it in 2 quarters.
  • Aster Capital Management's Iron Mountain position peaked at $2M in Q2 2025.
  • 1,015 funds tracked by Wall St. Rank held Iron Mountain as of Q3 2025.

Based on Aster Capital Management's 13F filing for Q3 2025, filed 12 Nov 2025.