Man Group
IRM icon

Man Group’s Iron Mountain IRM Stock Holding History

Man Group’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
-57,346
Closed -$4.76M – 2484
2025
Q4 		$4.76M Buy
57,346
+45,195
+372% +$4.23M 0.01% 1117
2025
Q3 		$1.24M Sell
12,151
-42,972
-78% -$4.14M ﹤0.01% 1597
2025
Q2 		$5.65M Sell
55,123
-159,653
-74% -$15M 0.01% 1009
2025
Q1 		$18.5M Sell
214,776
-5,962
-3% -$575K 0.05% 471
2024
Q4 		$23.2M Buy
220,738
+163,798
+288% +$19.2M 0.06% 375
2024
Q3 		$6.77M Buy
+56,940
New +$6.09M 0.02% 922
2022
Q2 		– Hold
0
– – – 1780
2019
Q3 		– Sell
-12,910
Closed -$404K – 1846
2019
Q2 		$404K Sell
12,910
-342
-3% -$11.2K ﹤0.01% 1706
2019
Q1 		$470K Sell
13,252
-1,248
-9% -$44.1K ﹤0.01% 1737
2018
Q4 		$470K Hold
14,500
– – ﹤0.01% 1641
2018
Q3 		$501K Buy
+14,500
New +$517K ﹤0.01% 1838

Other funds holding IRM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Man Group's IRM Position: Q1 2026 in Review

Man Group sold out of Iron Mountain (IRM) in Q1 2026, closing a stake of 57,346 shares — an estimated $4.76M sold.

Man Group first reported a position in IRM in Q3 2018 and held it in 10 quarters. The position peaked at $23.2M in Q4 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Man Group reported no remaining Iron Mountain position as of Q1 2026 after selling out during the quarter.
  • Man Group sold 57,346 Iron Mountain shares in Q1 2026, an estimated $4.76M.
  • Man Group first reported a position in Iron Mountain in Q3 2018 and held it in 10 quarters.
  • Man Group's Iron Mountain position peaked at $23.2M in Q4 2024.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Man Group's 13F filing for Q1 2026, filed 15 May 2026.