PI
IRM icon

PGGM Investments’s Iron Mountain IRM Stock Holding History

PGGM Investments’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 		$85.3M Sell
675,093
-694,905
-51% -$85.2M 2.1% 18
2026
Q1 		$140M Sell
1,369,998
-287,161
-17% -$28.6M 2.45% 10
2025
Q4 		$137M Sell
1,657,159
-27,622
-2% -$2.59M 2.18% 16
2025
Q3 		$172M Buy
1,684,781
+118,989
+8% +$11.5M 2.78% 7
2025
Q2 		$161M Sell
1,565,792
-32,176
-2% -$3.03M 2.78% 7
2025
Q1 		$137M Buy
1,597,968
+513,581
+47% +$49.5M 1.85% 12
2024
Q4 		$114M Buy
1,084,387
+734
+0.1% +$86.2K 1.52% 20
2024
Q3 		$129M Buy
1,083,653
+1,050,859
+3,204% +$112M 1.65% 18
2024
Q2 		$2.94M Buy
32,794
+10,425
+47% +$844K 0.04% 232
2024
Q1 		$1.79M Buy
22,369
+6,475
+41% +$469K 0.03% 270
2023
Q4 		$1.11M Buy
15,894
+1,438
+10% +$90.2K 0.02% 294
2023
Q3 		$859K Buy
14,456
+1,900
+15% +$116K 0.01% 305
2023
Q2 		$713K Sell
12,556
-3,416
-21% -$187K 0.01% 322
2023
Q1 		$845K Buy
+15,972
New +$837K 0.01% 351
2022
Q1 		$20.2M Hold
386,721
– – 0.1% 193
2021
Q4 		$20.2M Sell
386,721
-1,252
-0.3% -$59.2K 0.1% 193
2021
Q3 		$16.9M Buy
387,973
+5,665
+1% +$255K 0.09% 234
2021
Q2 		$16.2M Buy
382,308
+42,534
+13% +$1.78M 0.07% 235
2021
Q1 		$12.6M Sell
339,774
-326,992
-49% -$10.9M 0.05% 258
2020
Q4 		$19.7M Sell
666,766
-94,823
-12% -$2.63M 0.09% 216
2020
Q3 		$20.4M Hold
761,589
– – 0.11% 192
2020
Q2 		$19.9M Buy
761,589
+114,833
+18% +$2.9M 0.12% 186
2020
Q1 		$15.4M Buy
+646,756
New +$19.6M 0.11% 177

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

PGGM Investments's IRM Position: Q2 2026 in Review

PGGM Investments reduced its Iron Mountain (IRM) stake by 51% in Q2 2026, selling an estimated $85.2M and leaving 675,093 shares worth $85.3M. The position accounts for 2.1% of the portfolio, ranked #18.

PGGM Investments first reported a position in IRM in Q1 2020 and has held it in 23 quarters since. The position peaked at $172M in Q3 2025. 1,170 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • PGGM Investments held 675,093 shares of Iron Mountain worth $85.3M as of Q2 2026.
  • PGGM Investments sold 694,905 Iron Mountain shares in Q2 2026, an estimated $85.2M.
  • Iron Mountain made up 2.1% of PGGM Investments's portfolio in Q2 2026, its #18 holding.
  • PGGM Investments first reported a position in Iron Mountain in Q1 2020 and has held it in 23 quarters since.
  • PGGM Investments's Iron Mountain position peaked at $172M in Q3 2025.
  • 1,170 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on PGGM Investments's 13F filing for Q2 2026, filed 12 Aug 2026.