Verition Fund Management
IRM icon

Verition Fund Management’s Iron Mountain IRM Stock Holding History

Verition Fund 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
2026
Q1 		– Sell
-208,951
Closed -$17.3M – 2919
2025
Q4 		$17.3M Buy
208,951
+181,051
+649% +$16.9M 0.07% 229
2025
Q3 		$2.84M Buy
27,900
+4,445
+19% +$428K 0.01% 1681
2025
Q2 		$2.41M Sell
23,455
-46,116
-66% -$4.35M 0.01% 1782
2025
Q1 		$5.99M Buy
69,571
+25,630
+58% +$2.47M 0.03% 721
2024
Q4 		$4.62M Buy
+43,941
New +$5.16M 0.02% 940
2024
Q3 		– Sell
-9,877
Closed -$1.06M – 3356
2024
Q2 		$885K Buy
9,877
+4,393
+80% +$356K ﹤0.01% 1744
2024
Q1 		$440K Sell
5,484
-3,756
-41% -$272K ﹤0.01% 2080
2023
Q4 		$647K Sell
9,240
-8,082
-47% -$507K 0.01% 1379
2023
Q3 		$1.03M Buy
17,322
+13,577
+363% +$830K 0.01% 1068
2023
Q2 		$213K Sell
3,745
-4,859
-56% -$266K ﹤0.01% 1809
2023
Q1 		$455K Buy
+8,604
New +$451K 0.01% 1293
2022
Q4 		– Sell
-5,154
Closed -$227K – 2433
2022
Q3 		$227K Buy
+5,154
New +$260K ﹤0.01% 2421
2021
Q4 		– Sell
-4,974
Closed -$235K – 2671
2021
Q3 		$216K Sell
4,974
-3,299
-40% -$148K ﹤0.01% 1591
2021
Q2 		$350K Buy
+8,273
New +$347K ﹤0.01% 1270
2020
Q4 		– Sell
-14,634
Closed -$392K – 1236
2020
Q3 		$392K Buy
+14,634
New +$416K 0.01% 679
2019
Q2 		– Sell
-20,767
Closed -$736K – 1217
2019
Q1 		$736K Buy
+20,767
New +$734K 0.03% 510
2018
Q4 		– Sell
-43,004
Closed -$1.48M – 1043
2018
Q3 		$1.48M Buy
+43,004
New +$1.53M 0.05% 418
2015
Q3 		– Sell
-12,956
Closed -$402K – 627
2015
Q2 		$402K Buy
+12,956
New +$454K 0.07% 241
2013
Q3 		– Sell
-16,233
Closed -$412K – 613
2013
Q2 		$399K Buy
+16,233
New +$524K 0.07% 277

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 $3.38T 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
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Verition Fund Management's IRM Position: Q1 2026 in Review

Verition Fund Management sold out of Iron Mountain (IRM) in Q1 2026, closing a stake of 208,951 shares — an estimated $17.3M sold.

Verition Fund Management first reported a position in IRM in Q2 2013 and held it in 19 quarters. The position peaked at $17.3M in Q4 2025. 1,091 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Verition Fund Management reported no remaining Iron Mountain position as of Q1 2026 after selling out during the quarter.
  • Verition Fund Management sold 208,951 Iron Mountain shares in Q1 2026, an estimated $17.3M.
  • Verition Fund Management first reported a position in Iron Mountain in Q2 2013 and held it in 19 quarters.
  • Verition Fund Management's Iron Mountain position peaked at $17.3M in Q4 2025.
  • 1,091 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Verition Fund Management's 13F filing for Q1 2026, filed 15 May 2026.