Teacher Retirement System of Texas’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
$40.3M Buy
394,701
+60,730
+18% +$6.04M 0.17% 145
2025
Q4
$27.7M Buy
333,971
+295,333
+764% +$27.6M 0.1% 196
2025
Q3
$3.94M Sell
38,638
-5,970
-13% -$575K 0.02% 618
2025
Q2
$4.58M Sell
44,608
-13,216
-23% -$1.25M 0.02% 592
2025
Q1
$4.98M Buy
57,824
+21,775
+60% +$2.1M 0.02% 543
2024
Q4
$3.79M Buy
36,049
+34,086
+1,736% +$4M 0.01% 590
2024
Q3
$233K Sell
1,963
-3,730
-66% -$399K ﹤0.01% 1394
2024
Q2
$510K Sell
5,693
-65,829
-92% -$5.33M ﹤0.01% 1189
2024
Q1
$5.74M Sell
71,522
-47,089
-40% -$3.41M 0.04% 370
2023
Q4
$8.3M Sell
118,611
-5,688
-5% -$357K 0.06% 313
2023
Q3
$7.39M Buy
124,299
+11,812
+11% +$722K 0.05% 341
2023
Q2
$6.39M Sell
112,487
-49,548
-31% -$2.71M 0.04% 365
2023
Q1
$8.57M Buy
162,035
+17,372
+12% +$910K 0.06% 341
2022
Q4
$7.21M Buy
144,663
+71,381
+97% +$3.6M 0.05% 342
2022
Q3
$3.22M Buy
73,282
+25,055
+52% +$1.27M 0.02% 519
2022
Q2
$2.35M Sell
48,227
-11,422
-19% -$601K 0.02% 563
2022
Q1
$3.31M Buy
59,649
+3,800
+7% +$181K 0.02% 586
2021
Q4
$2.92M Sell
55,849
-16,355
-23% -$773K 0.01% 647
2021
Q3
$3.14M Buy
72,204
+34,437
+91% +$1.55M 0.02% 594
2021
Q2
$1.6M Buy
37,767
+5,645
+18% +$237K 0.01% 743
2021
Q1
$1.19M Buy
32,122
+5,819
+22% +$195K 0.01% 766
2020
Q4
$775K Buy
26,303
+9,831
+60% +$273K ﹤0.01% 785
2020
Q3
$441K Buy
16,472
+7,068
+75% +$201K ﹤0.01% 838
2020
Q2
$245K Buy
+9,404
New +$237K ﹤0.01% 773
2019
Q2
Sell
-12,137
Closed -$430K 561
2019
Q1
$430K Buy
+12,137
New +$429K ﹤0.01% 524
2018
Q4
Sell
-31,987
Closed -$1.1M 915
2018
Q3
$1.1M Sell
31,987
-22,988
-42% -$819K 0.01% 609
2018
Q2
$1.93M Sell
54,975
-25,725
-32% -$869K 0.01% 595
2018
Q1
$2.65M Sell
80,700
-14,187
-15% -$478K 0.02% 536
2017
Q4
$3.58M Buy
+94,887
New +$3.77M 0.02% 499
2016
Q4
Sell
-9,616
Closed -$361K 1153
2016
Q3
$361K Sell
9,616
-8,403
-47% -$324K ﹤0.01% 896
2016
Q2
$718K Buy
18,019
+7,095
+65% +$258K ﹤0.01% 679
2016
Q1
$370K Buy
10,924
+6,043
+124% +$174K ﹤0.01% 955
2015
Q4
$132K Sell
4,881
-5,826
-54% -$171K ﹤0.01% 1434
2015
Q3
$332K Buy
10,707
+2,903
+37% +$86.6K ﹤0.01% 999
2015
Q2
$242K Sell
7,804
-396
-5% -$13.9K ﹤0.01% 754
2015
Q1
$299K Buy
8,200
+3,228
+65% +$125K ﹤0.01% 768
2014
Q4
$192K Sell
4,972
-559
-10% -$20.3K ﹤0.01% 687
2014
Q3
$181K Buy
5,531
+535
+11% +$17.3K ﹤0.01% 613
2014
Q2
$164K Buy
+4,996
New +$136K ﹤0.01% 720
2013
Q4
Sell
-628,346
Closed -$15.7M 2336
2013
Q3
$15.7M Sell
628,346
-56,621
-8% -$1.44M 0.14% 190
2013
Q2
$16.8M Buy
+684,967
New +$22.1M 0.15% 182

Other funds holding IRM

Teacher Retirement System of Texas's IRM Position: Q1 2026 in Review

Teacher Retirement System of Texas increased its Iron Mountain (IRM) stake by 18% in Q1 2026, buying an estimated $6.04M and bringing the position to 394,701 shares worth $40.3M. The position accounts for 0.17% of the portfolio, ranked #145.

Teacher Retirement System of Texas first reported a position in IRM in Q2 2013 and has held it in 41 quarters since. 1,087 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Teacher Retirement System of Texas held 394,701 shares of Iron Mountain worth $40.3M as of Q1 2026.
  • Teacher Retirement System of Texas bought 60,730 Iron Mountain shares in Q1 2026, an estimated $6.04M.
  • Iron Mountain made up 0.17% of Teacher Retirement System of Texas's portfolio in Q1 2026, its #145 holding.
  • Teacher Retirement System of Texas first reported a position in Iron Mountain in Q2 2013 and has held it in 41 quarters since.
  • 1,087 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Teacher Retirement System of Texas's 13F filing for Q1 2026, filed 30 Apr 2026.