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Maryland State Retirement & Pension System’s Iron Mountain IRM Stock Holding History

Maryland State Retirement & Pension 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 		$2.02M Buy
15,980
+1,277
+9% +$157K 0.03% 353
2026
Q1 		$1.5M Buy
14,703
+444
+3% +$44.2K 0.03% 374
2025
Q4 		$1.18M Hold
14,259
– – 0.02% 436
2025
Q3 		$1.45M Hold
14,259
– – 0.03% 382
2025
Q2 		$1.46M Buy
14,259
+650
+5% +$61.3K 0.03% 414
2025
Q1 		$1.17M Sell
13,609
-1,936
-12% -$187K 0.03% 469
2024
Q4 		$1.63M Sell
15,545
-1,125
-7% -$132K 0.04% 402
2024
Q3 		$1.98M Sell
16,670
-5,438
-25% -$582K 0.04% 358
2024
Q2 		$1.98M Hold
22,108
– – 0.04% 389
2024
Q1 		$1.64M Hold
22,108
– – 0.03% 438
2023
Q4 		$1.55M Hold
22,108
– – 0.03% 449
2023
Q3 		$1.31M Hold
22,108
– – 0.03% 471
2023
Q2 		$1.26M Sell
22,108
-587
-3% -$32.1K 0.03% 521
2023
Q1 		$1.2M Hold
22,695
– – 0.03% 519
2022
Q4 		$1.13M Buy
+22,695
New +$1.15M 0.03% 492
2022
Q3 		– Sell
-21,801
Closed -$1.06M – 735
2022
Q2 		$1.06M Hold
21,801
– – 0.03% 504
2022
Q1 		$1.21M Hold
21,801
– – 0.03% 515
2021
Q4 		$1.14M Hold
21,801
– – 0.03% 573
2021
Q3 		$968K Hold
21,801
– – 0.03% 634
2021
Q2 		$925K Hold
21,801
– – 0.03% 509
2021
Q1 		$807K Buy
+21,801
New +$729K 0.03% 554

Other funds holding IRM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Maryland State Retirement & Pension System's IRM Position: Q2 2026 in Review

Maryland State Retirement & Pension System increased its Iron Mountain (IRM) stake by 8.7% in Q2 2026, buying an estimated $157K and bringing the position to 15,980 shares worth $2.02M. The position accounts for 0.03% of the portfolio, ranked #353.

Maryland State Retirement & Pension System first reported a position in IRM in Q1 2021 and has held it in 21 quarters since. 1,165 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Maryland State Retirement & Pension System held 15,980 shares of Iron Mountain worth $2.02M as of Q2 2026.
  • Maryland State Retirement & Pension System bought 1,277 Iron Mountain shares in Q2 2026, an estimated $157K.
  • Iron Mountain made up 0.03% of Maryland State Retirement & Pension System's portfolio in Q2 2026, its #353 holding.
  • Maryland State Retirement & Pension System first reported a position in Iron Mountain in Q1 2021 and has held it in 21 quarters since.
  • 1,165 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Maryland State Retirement & Pension System's 13F filing for Q2 2026, filed 30 Jul 2026.