SOMRS
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State of Michigan Retirement System’s Iron Mountain IRM Stock Holding History

State of Michigan Retirement System’s Portfolio IRM Stock Details IRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$9.62M Sell
76,146
-1,100
-1% -$135K 0.04% 319
2026
Q1 		$7.89M Sell
77,246
-100
-0.1% -$9.95K 0.04% 331
2025
Q4 		$6.42M Sell
77,346
-2,500
-3% -$234K 0.03% 379
2025
Q3 		$8.14M Sell
79,846
-400
-0.5% -$38.5K 0.04% 331
2025
Q2 		$8.23M Buy
80,246
+600
+0.8% +$56.6K 0.04% 323
2025
Q1 		$6.85M Hold
79,646
– – 0.04% 350
2024
Q4 		$8.37M Sell
79,646
-200
-0.3% -$23.5K 0.04% 315
2024
Q3 		$9.49M Sell
79,846
-400
-0.5% -$42.8K 0.05% 297
2024
Q2 		$7.19M Buy
80,246
+200
+0.2% +$16.2K 0.04% 332
2024
Q1 		$6.42M Buy
80,046
+100
+0.1% +$7.24K 0.03% 350
2023
Q4 		$5.59M Sell
79,946
-100
-0.1% -$6.27K 0.03% 368
2023
Q3 		$4.76M Sell
80,046
-100
-0.1% -$6.11K 0.03% 385
2023
Q2 		$4.55M Buy
80,146
+300
+0.4% +$16.4K 0.03% 418
2023
Q1 		$4.22M Buy
79,846
+800
+1% +$41.9K 0.03% 429
2022
Q4 		$3.94M Buy
79,046
+400
+0.5% +$20.2K 0.03% 426
2022
Q3 		$3.46M Buy
78,646
+200
+0.3% +$10.1K 0.03% 445
2022
Q2 		$3.82M Sell
78,446
-5,898
-7% -$310K 0.03% 440
2022
Q1 		$4.67M Buy
84,344
+150
+0.2% +$7.14K 0.03% 407
2021
Q4 		$4.41M Buy
84,194
+6,198
+8% +$293K 0.02% 447
2021
Q3 		$3.39M Buy
77,996
+100
+0.1% +$4.5K 0.02% 482
2021
Q2 		$3.3M Buy
77,896
+800
+1% +$33.6K 0.02% 499
2021
Q1 		$2.85M Sell
77,096
-100
-0.1% -$3.34K 0.02% 582
2020
Q4 		$2.28M Sell
77,196
-100
-0.1% -$2.77K 0.02% 605
2020
Q3 		$2.07M Buy
77,296
+3,800
+5% +$108K 0.02% 572
2020
Q2 		$1.92M Buy
73,496
+7,650
+12% +$193K 0.02% 563
2020
Q1 		$1.57M Sell
65,846
-3,600
-5% -$109K 0.02% 497
2019
Q4 		$2.21M Buy
69,446
+400
+0.6% +$13.1K 0.02% 536
2019
Q3 		$2.24M Buy
69,046
+400
+0.6% +$12.6K 0.02% 506
2019
Q2 		$2.15M Sell
68,646
-13,900
-17% -$456K 0.02% 521
2019
Q1 		$2.93M Buy
82,546
+600
+0.7% +$21.2K 0.02% 475
2018
Q4 		$2.66M Sell
81,946
-3,300
-4% -$108K 0.02% 470
2018
Q3 		$2.94M Buy
85,246
+1,900
+2% +$67.7K 0.02% 496
2018
Q2 		$2.92M Buy
83,346
+500
+0.6% +$16.9K 0.02% 480
2018
Q1 		$2.72M Sell
82,846
-1,600
-2% -$53.9K 0.02% 503
2017
Q4 		$3.19M Buy
84,446
+4,200
+5% +$167K 0.03% 455
2017
Q3 		$3.12M Sell
80,246
-500
-0.6% -$18.7K 0.03% 455
2017
Q2 		$2.77M Buy
80,746
+200
+0.2% +$7K 0.02% 523
2017
Q1 		$2.87M Buy
80,546
+400
+0.5% +$14.2K 0.02% 504
2016
Q4 		$2.6M Sell
80,146
-5,284
-6% -$176K 0.02% 544
2016
Q3 		$3.21M Buy
85,430
+2,400
+3% +$92.6K 0.03% 464
2016
Q2 		$3.31M Buy
83,030
+16,800
+25% +$611K 0.03% 447
2016
Q1 		$2.25M Buy
66,230
+500
+0.8% +$14.4K 0.02% 570
2015
Q4 		$1.77M Sell
65,730
-3,500
-5% -$103K 0.01% 633
2015
Q3 		$2.15M Sell
69,230
-3,400
-5% -$101K 0.02% 597
2015
Q2 		$2.25M Buy
72,630
+500
+0.7% +$17.5K 0.02% 623
2015
Q1 		$2.63M Sell
72,130
-4,700
-6% -$181K 0.02% 591
2014
Q4 		$2.97M Buy
76,830
+6,364
+9% +$231K 0.02% 554
2014
Q3 		$2.3M Sell
70,466
-5,237
-7% -$170K 0.02% 627
2014
Q2 		$2.48M Buy
75,703
+433
+0.6% +$11.7K 0.02% 616
2014
Q1 		$1.92M Buy
75,270
+432
+0.6% +$11.1K 0.01% 698
2013
Q4 		$2.1M Hold
74,838
– – 0.02% 638
2013
Q3 		$1.87M Buy
74,838
+1,082
+1% +$27.5K 0.02% 641
2013
Q2 		$1.81M Buy
+73,756
New +$2.38M 0.02% 632

Other funds holding IRM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
CIM
Centersquare Investment Management Conshohocken, Pennsylvania $11.7B AUM 20.39% 1-Year Est. Return
Vontobel Holding
Vontobel Holding Zurich, Switzerland $31.4B AUM 31.97% 1-Year Est. Return
Daiwa Securities Group
Daiwa Securities Group Tokyo, Japan $51.1B AUM 35.55% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
DPIM
Duff & Phelps Investment Management Chicago, Illinois $10.6B AUM 18.62% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return

State of Michigan Retirement System's IRM Position: Q2 2026 in Review

State of Michigan Retirement System reduced its Iron Mountain (IRM) stake by 1.4% in Q2 2026, selling an estimated $135K and leaving 76,146 shares worth $9.62M. The position accounts for 0.04% of the portfolio, ranked #319.

State of Michigan Retirement System first reported a position in IRM in Q2 2013 and has held it in 53 quarters since. 713 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • State of Michigan Retirement System held 76,146 shares of Iron Mountain worth $9.62M as of Q2 2026.
  • State of Michigan Retirement System sold 1,100 Iron Mountain shares in Q2 2026, an estimated $135K.
  • Iron Mountain made up 0.04% of State of Michigan Retirement System's portfolio in Q2 2026, its #319 holding.
  • State of Michigan Retirement System first reported a position in Iron Mountain in Q2 2013 and has held it in 53 quarters since.
  • 713 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on State of Michigan Retirement System's 13F filing for Q2 2026, filed 30 Jul 2026.