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
2021
Q1
Sell
-10,600
Closed -$312K 4943
2020
Q4
$312K Hold
10,600
﹤0.01% 3528
2020
Q3
$284K Sell
10,600
-4,300
-29% -$122K ﹤0.01% 3615
2020
Q2
$389K Sell
14,900
-38,400
-72% -$970K ﹤0.01% 3548
2020
Q1
$1.27M Buy
53,300
+16,400
+44% +$496K ﹤0.01% 2718
2019
Q4
$1.18M Sell
36,900
-37,000
-50% -$1.21M ﹤0.01% 3537
2019
Q3
$2.39M Buy
73,900
+48,200
+188% +$1.51M ﹤0.01% 2646
2019
Q2
$804K Sell
25,700
-18,300
-42% -$600K ﹤0.01% 3910
2019
Q1
$1.56M Sell
44,000
-282,300
-87% -$9.97M ﹤0.01% 2874
2018
Q4
$10.6M Buy
326,300
+256,900
+370% +$8.43M 0.01% 1122
2018
Q3
$2.4M Buy
69,400
+46,000
+197% +$1.64M ﹤0.01% 2670
2018
Q2
$819K Sell
23,400
-1,300
-5% -$43.9K ﹤0.01% 3486
2018
Q1
$812K Buy
24,700
+11,000
+80% +$371K ﹤0.01% 3466
2017
Q4
$517K Sell
13,700
-52,300
-79% -$2.08M ﹤0.01% 3794
2017
Q3
$2.57M Buy
66,000
+22,200
+51% +$829K ﹤0.01% 2105
2017
Q2
$1.5M Buy
43,800
+42,800
+4,280% +$1.5M ﹤0.01% 2507
2017
Q1
$36K Sell
1,000
-1,500
-60% -$53.1K ﹤0.01% 5515
2016
Q4
$81K Buy
2,500
+800
+47% +$26.6K ﹤0.01% 4889
2016
Q3
$64K Sell
1,700
-3,500
-67% -$135K ﹤0.01% 4831
2016
Q2
$207K Buy
5,200
+3,400
+189% +$124K ﹤0.01% 3904
2016
Q1
$59K Sell
1,800
-7,250
-80% -$208K ﹤0.01% 4668
2015
Q4
$244K Buy
9,050
+200
+2% +$5.87K ﹤0.01% 3743
2015
Q3
$274K Sell
8,850
-3,700
-29% -$110K ﹤0.01% 3883
2015
Q2
$389K Buy
12,550
+3,300
+36% +$116K ﹤0.01% 3678
2015
Q1
$333K Sell
9,250
-6,470
-41% -$250K ﹤0.01% 3952
2014
Q4
$597K Sell
15,720
-140,860
-90% -$5.12M ﹤0.01% 3688
2014
Q3
$5.01M Sell
156,580
-437,546
-74% -$14.2M ﹤0.01% 1776
2014
Q2
$19.2M Buy
594,126
+540,567
+1,009% +$14.7M 0.02% 720
2014
Q1
$1.34M Sell
53,559
-379,782
-88% -$9.71M ﹤0.01% 2933
2013
Q4
$12M Sell
433,341
-152,670
-26% -$3.91M 0.01% 1125
2013
Q3
$14.6M Buy
586,011
+220,511
+60% +$5.6M 0.02% 878
2013
Q2
$8.99M Buy
+365,500
New +$11.8M 0.01% 1152

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.