STRS Ohio’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
$29.4M Sell
287,817
-126,311
-31% -$12.6M 0.12% 181
2025
Q4
$34.4M Buy
414,128
+156,613
+61% +$14.7M 0.13% 154
2025
Q3
$26.3M Buy
257,515
+32,903
+15% +$3.17M 0.1% 208
2025
Q2
$23M Buy
224,612
+33,812
+18% +$3.19M 0.09% 267
2025
Q1
$16.4M Buy
190,800
+59,700
+46% +$5.75M 0.07% 295
2024
Q4
$13.8M Buy
131,100
+48,300
+58% +$5.68M 0.05% 327
2024
Q3
$9.84M Sell
82,800
-69,109
-45% -$7.39M 0.04% 383
2024
Q2
$13.6M Buy
151,909
+83,209
+121% +$6.73M 0.05% 327
2024
Q1
$5.51M Buy
+68,700
New +$4.97M 0.02% 455
2023
Q4
Sell
-20,589
Closed -$1.22M 1962
2023
Q3
$1.22M Sell
20,589
-169,300
-89% -$10.3M 0.01% 811
2023
Q2
$10.8M Sell
189,889
-139,207
-42% -$7.62M 0.05% 364
2023
Q1
$17.4M Sell
329,096
-60,168
-15% -$3.15M 0.08% 288
2022
Q4
$19.4M Buy
389,264
+85,301
+28% +$4.31M 0.09% 272
2022
Q3
$13.4M Sell
303,963
-31,855
-9% -$1.61M 0.06% 315
2022
Q2
$16.4M Sell
335,818
-10,879
-3% -$573K 0.07% 293
2022
Q1
$19.2M Sell
346,697
-7,682
-2% -$366K 0.07% 299
2021
Q4
$18.5M Sell
354,379
-8,746
-2% -$413K 0.06% 310
2021
Q3
$15.8M Buy
363,125
+35,540
+11% +$1.6M 0.06% 327
2021
Q2
$13.9M Sell
327,585
-16,651
-5% -$698K 0.05% 351
2021
Q1
$12.7M Sell
344,236
-27,884
-7% -$932K 0.05% 343
2020
Q4
$11M Sell
372,120
-4,037
-1% -$112K 0.04% 367
2020
Q3
$10.1M Sell
376,157
-2,868
-0.8% -$81.6K 0.04% 363
2020
Q2
$9.89M Buy
379,025
+1,189
+0.3% +$30K 0.04% 346
2020
Q1
$8.99M Buy
377,836
+42,696
+13% +$1.29M 0.05% 336
2019
Q4
$10.7M Buy
335,140
+807
+0.2% +$26.5K 0.04% 368
2019
Q3
$10.8M Sell
334,333
-19,102
-5% -$600K 0.05% 351
2019
Q2
$11.1M Sell
353,435
-23,416
-6% -$767K 0.05% 340
2019
Q1
$13.4M Sell
376,851
-45,384
-11% -$1.6M 0.06% 314
2018
Q4
$13.7M Buy
422,235
+27,447
+7% +$900K 0.07% 306
2018
Q3
$13.6M Sell
394,788
-13,001
-3% -$463K 0.06% 321
2018
Q2
$14.3M Sell
407,789
-21,665
-5% -$732K 0.06% 311
2018
Q1
$14.1M Buy
429,454
+57,640
+16% +$1.94M 0.06% 308
2017
Q4
$14M Buy
371,814
+38,136
+11% +$1.51M 0.06% 326
2017
Q3
$13M Sell
333,678
-8,092
-2% -$302K 0.06% 329
2017
Q2
$11.7M Sell
341,770
-25,914
-7% -$906K 0.05% 346
2017
Q1
$13.1M Sell
367,684
-8,875
-2% -$314K 0.06% 351
2016
Q4
$12.2M Buy
376,559
+17,310
+5% +$575K 0.05% 350
2016
Q3
$13.5M Sell
359,249
-6,799
-2% -$262K 0.06% 339
2016
Q2
$14.6M Buy
366,048
+79,433
+28% +$2.89M 0.06% 327
2016
Q1
$9.72M Sell
286,615
-7,185
-2% -$206K 0.04% 376
2015
Q4
$7.93M Buy
293,800
+3,817
+1% +$112K 0.04% 407
2015
Q3
$8.99M Sell
289,983
-2,280
-0.8% -$68K 0.04% 395
2015
Q2
$9.06M Buy
292,263
+21,172
+8% +$741K 0.04% 412
2015
Q1
$9.89M Buy
+271,091
New +$10.5M 0.04% 395

Other funds holding IRM

STRS Ohio's IRM Position: Q1 2026 in Review

STRS Ohio reduced its Iron Mountain (IRM) stake by 31% in Q1 2026, selling an estimated $12.6M and leaving 287,817 shares worth $29.4M. The position accounts for 0.12% of the portfolio, ranked #181.

STRS Ohio first reported a position in IRM in Q1 2015 and has held it in 44 quarters since. The position peaked at $34.4M in Q4 2025. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • STRS Ohio held 287,817 shares of Iron Mountain worth $29.4M as of Q1 2026.
  • STRS Ohio sold 126,311 Iron Mountain shares in Q1 2026, an estimated $12.6M.
  • Iron Mountain made up 0.12% of STRS Ohio's portfolio in Q1 2026, its #181 holding.
  • STRS Ohio first reported a position in Iron Mountain in Q1 2015 and has held it in 44 quarters since.
  • STRS Ohio's Iron Mountain position peaked at $34.4M in Q4 2025.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on STRS Ohio's 13F filing for Q1 2026, filed 24 Apr 2026.