Adelante Capital Management’s Iron Mountain IRM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$36.5M Buy
356,934
+17,707
+5% +$1.76M 2.49% 12
2025
Q4
$28.1M Sell
339,227
-47,058
-12% -$4.4M 1.9% 19
2025
Q3
$39.4M Sell
386,285
-16,920
-4% -$1.63M 2.63% 14
2025
Q2
$41.4M Buy
403,205
+12,859
+3% +$1.21M 3.04% 13
2025
Q1
$7.91M Sell
390,346
-55,551
-12% -$5.35M 0.6% 35
2024
Q4
$46.9M Buy
445,897
+48,674
+12% +$5.72M 3.09% 11
2024
Q3
$47.2M Buy
397,223
+381,596
+2,442% +$40.8M 3.05% 11
2024
Q2
$1.4M Sell
15,627
-1,925
-11% -$156K 0.11% 34
2024
Q1
$1.41M Buy
17,552
+3,508
+25% +$254K 0.09% 39
2023
Q4
$983K Buy
14,044
+7,336
+109% +$460K 0.07% 38
2023
Q3
$399K Sell
6,708
-2,917
-30% -$178K 0.03% 41
2023
Q2
$547K Sell
9,625
-1,780
-16% -$97.4K 0.05% 41
2023
Q1
$603K Buy
+11,405
New +$598K 0.05% 40

Other funds holding IRM

Adelante Capital Management's IRM Position: Q1 2026 in Review

Adelante Capital Management increased its Iron Mountain (IRM) stake by 5.2% in Q1 2026, buying an estimated $1.76M and bringing the position to 356,934 shares worth $36.5M. The position accounts for 2.49% of the portfolio, ranked #12.

Adelante Capital Management first reported a position in IRM in Q1 2023 and has held it in 13 quarters since. The position peaked at $47.2M in Q3 2024. 1,087 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Adelante Capital Management held 356,934 shares of Iron Mountain worth $36.5M as of Q1 2026.
  • Adelante Capital Management bought 17,707 Iron Mountain shares in Q1 2026, an estimated $1.76M.
  • Iron Mountain made up 2.49% of Adelante Capital Management's portfolio in Q1 2026, its #12 holding.
  • Adelante Capital Management first reported a position in Iron Mountain in Q1 2023 and has held it in 13 quarters since.
  • Adelante Capital Management's Iron Mountain position peaked at $47.2M in Q3 2024.
  • 1,087 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Adelante Capital Management's 13F filing for Q1 2026, filed 18 May 2026.