Barclays’s Iron Mountain IRM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-700,000
Closed -$60.2M 5401
2025
Q1
$60.2M Buy
+700,000
New +$67.5M 0.02% 593
2022
Q1
Sell
-2,500
Closed -$131K 5276
2021
Q4
$131K Hold
2,500
﹤0.01% 3678
2021
Q3
$109K Hold
2,500
﹤0.01% 3873
2021
Q2
$106K Hold
2,500
﹤0.01% 3825
2021
Q1
$93K Sell
2,500
-7,600
-75% -$254K ﹤0.01% 4031
2020
Q4
$298K Hold
10,100
﹤0.01% 3549
2020
Q3
$271K Sell
10,100
-100
-1% -$2.85K ﹤0.01% 3656
2020
Q2
$266K Sell
10,200
-71,100
-87% -$1.8M ﹤0.01% 3847
2020
Q1
$1.94M Buy
81,300
+38,200
+89% +$1.16M ﹤0.01% 2322
2019
Q4
$1.37M Buy
43,100
+10,100
+31% +$331K ﹤0.01% 3377
2019
Q3
$1.07M Buy
33,000
+7,700
+30% +$242K ﹤0.01% 3605
2019
Q2
$792K Buy
25,300
+19,100
+308% +$626K ﹤0.01% 3925
2019
Q1
$220K Sell
6,200
-10,700
-63% -$378K ﹤0.01% 4750
2018
Q4
$548K Buy
16,900
+7,500
+80% +$246K ﹤0.01% 3722
2018
Q3
$325K Sell
9,400
-7,700
-45% -$274K ﹤0.01% 4616
2018
Q2
$599K Sell
17,100
-6,200
-27% -$209K ﹤0.01% 3778
2018
Q1
$766K Buy
23,300
+6,600
+40% +$222K ﹤0.01% 3527
2017
Q4
$630K Buy
16,700
+7,700
+86% +$306K ﹤0.01% 3571
2017
Q3
$350K Buy
9,000
+3,700
+70% +$138K ﹤0.01% 3943
2017
Q2
$182K Buy
5,300
+3,700
+231% +$129K ﹤0.01% 4447
2017
Q1
$57K Sell
1,600
-2,100
-57% -$74.4K ﹤0.01% 5260
2016
Q4
$120K Buy
3,700
+300
+9% +$9.97K ﹤0.01% 4620
2016
Q3
$128K Hold
3,400
﹤0.01% 4327
2016
Q2
$135K Sell
3,400
-40,000
-92% -$1.46M ﹤0.01% 4200
2016
Q1
$1.43M Sell
43,400
-7,500
-15% -$215K ﹤0.01% 2224
2015
Q4
$1.37M Buy
50,900
+46,800
+1,141% +$1.37M ﹤0.01% 2326
2015
Q3
$127K Buy
4,100
+200
+5% +$5.97K ﹤0.01% 4456
2015
Q2
$121K Sell
3,900
-500
-11% -$17.5K ﹤0.01% 4536
2015
Q1
$158K Sell
4,400
-51,950
-92% -$2.01M ﹤0.01% 4521
2014
Q4
$2.14M Sell
56,350
-36,420
-39% -$1.32M ﹤0.01% 2472
2014
Q3
$2.97M Sell
92,770
-110,213
-54% -$3.57M ﹤0.01% 2300
2014
Q2
$6.57M Buy
202,983
+78,337
+63% +$2.13M 0.01% 1496
2014
Q1
$3.11M Sell
124,646
-191,623
-61% -$4.9M ﹤0.01% 2133
2013
Q4
$8.77M Buy
316,269
+245,398
+346% +$6.29M 0.01% 1354
2013
Q3
$1.77M Sell
70,871
-48,582
-41% -$1.23M ﹤0.01% 2728
2013
Q2
$2.94M Buy
+119,453
New +$3.86M ﹤0.01% 2119

Other funds holding IRM

Barclays's IRM Position: Q1 2026 in Review

Barclays reduced its Iron Mountain (IRM) stake by 7.6% in Q1 2026, selling an estimated $5.48M and leaving 673,771 shares worth $68.8M. The position accounts for 0.02% of the portfolio, ranked #625.

Barclays first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $75.4M in Q3 2025. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Barclays held 673,771 shares of Iron Mountain worth $68.8M as of Q1 2026.
  • Barclays sold 55,086 Iron Mountain shares in Q1 2026, an estimated $5.48M.
  • Iron Mountain made up 0.02% of Barclays's portfolio in Q1 2026, its #625 holding.
  • Barclays first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
  • Barclays's Iron Mountain position peaked at $75.4M in Q3 2025.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

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