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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
-5,700
Closed -$585K – 645
2025
Q2 		$585K Buy
+5,700
New +$537K 0.01% 568
2024
Q3 		– Sell
-5,400
Closed -$484K – 984
2024
Q2 		$484K Buy
+5,400
New +$437K 0.01% 689
2024
Q1 		– Sell
-21,000
Closed -$1.47M – 674
2023
Q4 		$1.47M Buy
21,000
+8,300
+65% +$521K 0.03% 380
2023
Q3 		$755K Buy
12,700
+5,100
+67% +$312K 0.01% 702
2023
Q2 		$432K Sell
7,600
-22,400
-75% -$1.23M 0.01% 652
2023
Q1 		$1.59M Buy
30,000
+24,300
+426% +$1.27M 0.03% 351
2022
Q4 		$284K Hold
5,700
– – 0.01% 716
2022
Q3 		$251K Buy
+5,700
New +$288K ﹤0.01% 985
2021
Q4 		– Sell
-19,100
Closed -$830K – 990
2021
Q3 		$830K Buy
19,100
+8,200
+75% +$369K 0.03% 510
2021
Q2 		$461K Buy
+10,900
New +$457K 0.02% 697

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.