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Quadrature Capital’s Iron Mountain IRM Stock Holding History

Quadrature 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
2025
Q2 		– Sell
-22,389
Closed -$1.93M – 1257
2025
Q1 		$1.93M Buy
22,389
+10,398
+87% +$1M 0.04% 300
2024
Q4 		$1.26M Buy
+11,991
New +$1.41M 0.03% 409
2023
Q4 		– Sell
-5,724
Closed -$340K – 1257
2023
Q3 		$340K Buy
+5,724
New +$350K 0.01% 706
2022
Q3 		– Sell
-14,942
Closed -$728K – 956
2022
Q2 		$728K Buy
+14,942
New +$786K 0.03% 359
2021
Q4 		– Sell
-29,126
Closed -$1.26M – 818
2021
Q3 		$1.26M Buy
29,126
+718
+3% +$32.3K 0.05% 220
2021
Q2 		$1.2M Buy
28,408
+20,406
+255% +$856K 0.05% 276
2021
Q1 		$296K Buy
+8,002
New +$268K 0.01% 633
2020
Q2 		– Sell
-15,519
Closed -$370K – 706
2020
Q1 		$370K Buy
+15,519
New +$470K 0.09% 287
2019
Q2 		– Sell
-48,853
Closed -$1.73M – 549
2019
Q1 		$1.73M Buy
+48,853
New +$1.73M 0.15% 154
2018
Q4 		– Sell
-9,699
Closed -$335K – 568
2018
Q3 		$335K Buy
+9,699
New +$346K 0.03% 434
2018
Q2 		– Sell
-34,135
Closed -$1.12M – 605
2018
Q1 		$1.12M Buy
+34,135
New +$1.15M 0.09% 235
2016
Q1 		– Sell
-59,142
Closed -$1.6M – 503
2015
Q4 		$1.6M Buy
+59,142
New +$1.73M 0.24% 125

Other funds holding IRM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Quadrature Capital's IRM Position: Q2 2025 in Review

Quadrature Capital sold out of Iron Mountain (IRM) in Q2 2025, closing a stake of 22,389 shares — an estimated $1.93M sold.

Quadrature Capital first reported a position in IRM in Q4 2015 and held it in 12 quarters. The position peaked at $1.93M in Q1 2025. 1,045 funds tracked by Wall St. Rank hold IRM as of Q2 2025.

  • Quadrature Capital reported no remaining Iron Mountain position as of Q2 2025 after selling out during the quarter.
  • Quadrature Capital sold 22,389 Iron Mountain shares in Q2 2025, an estimated $1.93M.
  • Quadrature Capital first reported a position in Iron Mountain in Q4 2015 and held it in 12 quarters.
  • Quadrature Capital's Iron Mountain position peaked at $1.93M in Q1 2025.
  • 1,045 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2025.

Based on Quadrature Capital's 13F filing for Q2 2025, filed 13 Aug 2025.