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PineBridge Investments’s Iron Mountain IRM Stock Holding History

PineBridge Investments’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 		$4.03M Sell
39,476
-38,934
-50% -$3.87M 0.03% 252
2025
Q4 		$6.5M Buy
78,410
+6,175
+9% +$578K 0.05% 217
2025
Q3 		$7.36M Sell
72,235
-45,754
-39% -$4.41M 0.05% 224
2025
Q2 		$12.1M Sell
117,989
-24,349
-17% -$2.3M 0.1% 198
2025
Q1 		$12.2M Buy
142,338
+23,083
+19% +$2.22M 0.1% 195
2024
Q4 		$12.5M Sell
119,255
-39,400
-25% -$4.63M 0.09% 190
2024
Q3 		$18.9M Sell
158,655
-27,505
-15% -$2.94M 0.14% 158
2024
Q2 		$16.7M Sell
186,160
-42,032
-18% -$3.4M 0.13% 165
2024
Q1 		$18.3M Buy
+228,192
New +$16.5M 0.15% 160
2023
Q3 		– Sell
-4,996
Closed -$284K – 844
2023
Q2 		$284K Buy
+4,996
New +$273K ﹤0.01% 526
2022
Q1 		– Sell
-67,548
Closed -$3.54M – 775
2021
Q4 		$3.54M Buy
67,548
+65,267
+2,861% +$3.08M 0.04% 337
2021
Q3 		$99K Sell
2,281
-53
-2% -$2.39K ﹤0.01% 552
2021
Q2 		$99K Buy
+2,334
New +$97.9K ﹤0.01% 595
2020
Q2 		– Sell
-1,060
Closed -$25K – 716
2020
Q1 		$25K Sell
1,060
-470
-31% -$14.2K ﹤0.01% 633
2019
Q4 		$49K Hold
1,530
– – ﹤0.01% 926
2019
Q3 		$50K Hold
1,530
– – ﹤0.01% 1037
2019
Q2 		$48K Hold
1,530
– – ﹤0.01% 919
2019
Q1 		$54K Sell
1,530
-2,120
-58% -$74.9K ﹤0.01% 916
2018
Q4 		$118K Hold
3,650
– – ﹤0.01% 866
2018
Q3 		$126K Hold
3,650
– – ﹤0.01% 897
2018
Q2 		$128K Sell
3,650
-8,351
-70% -$282K ﹤0.01% 910
2018
Q1 		$395K Buy
12,001
+3,978
+50% +$134K 0.01% 730
2017
Q4 		$303K Buy
+8,023
New +$318K 0.01% 872
2015
Q2 		– Sell
-24,735
Closed -$902K – 1118
2015
Q1 		$902K Buy
24,735
+660
+3% +$25.5K 0.03% 284
2014
Q4 		$931K Buy
+24,075
New +$876K 0.04% 296

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

PineBridge Investments's IRM Position: Q1 2026 in Review

PineBridge Investments reduced its Iron Mountain (IRM) stake by 50% in Q1 2026, selling an estimated $3.87M and leaving 39,476 shares worth $4.03M. The position accounts for 0.03% of the portfolio, ranked #252.

PineBridge Investments first reported a position in IRM in Q4 2014 and has held it in 25 quarters since. The position peaked at $18.9M in Q3 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • PineBridge Investments held 39,476 shares of Iron Mountain worth $4.03M as of Q1 2026.
  • PineBridge Investments sold 38,934 Iron Mountain shares in Q1 2026, an estimated $3.87M.
  • Iron Mountain made up 0.03% of PineBridge Investments's portfolio in Q1 2026, its #252 holding.
  • PineBridge Investments first reported a position in Iron Mountain in Q4 2014 and has held it in 25 quarters since.
  • PineBridge Investments's Iron Mountain position peaked at $18.9M in Q3 2024.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on PineBridge Investments's 13F filing for Q1 2026, filed 14 May 2026.