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Maven Securities’s Iron Mountain IRM Stock Holding History

Maven Securities’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
-2,406
Closed -$247K – 644
2025
Q2 		$247K Buy
+2,406
New +$227K 0.01% 728
2023
Q1 		– Sell
-5,790
Closed -$303K – 995
2022
Q4 		$289K Buy
5,790
+549
+10% +$27.7K 0.01% 710
2022
Q3 		$230K Buy
+5,241
New +$265K ﹤0.01% 1013
2017
Q1 		– Sell
-41,000
Closed -$1.33M – 57
2016
Q4 		$1.33M Buy
+41,000
New +$1.36M 1.19% 12

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

Maven Securities's IRM Position: Q3 2025 in Review

Maven Securities sold out of Iron Mountain (IRM) in Q3 2025, closing a stake of 2,406 shares — an estimated $247K sold.

Maven Securities first reported a position in IRM in Q4 2016 and held it in 4 quarters. The position peaked at $1.33M in Q4 2016. 1,015 funds tracked by Wall St. Rank hold IRM as of Q3 2025.

  • Maven Securities reported no remaining Iron Mountain position as of Q3 2025 after selling out during the quarter.
  • Maven Securities sold 2,406 Iron Mountain shares in Q3 2025, an estimated $247K.
  • Maven Securities first reported a position in Iron Mountain in Q4 2016 and held it in 4 quarters.
  • Maven Securities's Iron Mountain position peaked at $1.33M in Q4 2016.
  • 1,015 funds tracked by Wall St. Rank held Iron Mountain as of Q3 2025.

Based on Maven Securities's 13F filing for Q3 2025, filed 20 Nov 2025.