Pacer Advisors
IRM icon

Pacer Advisors’s Iron Mountain IRM Stock Holding History

Pacer Advisors’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
Q1 		$17.1M Sell
167,170
-56,197
-25% -$5.59M 0.05% 342
2025
Q4 		$18.5M Sell
223,367
-7,868
-3% -$736K 0.05% 336
2025
Q3 		$23.6M Buy
231,235
+10,952
+5% +$1.06M 0.06% 295
2025
Q2 		$22.6M Sell
220,283
-24,203
-10% -$2.28M 0.06% 299
2025
Q1 		$21M Buy
244,486
+32,942
+16% +$3.17M 0.05% 297
2024
Q4 		$22.2M Buy
211,544
+13,437
+7% +$1.58M 0.05% 313
2024
Q3 		$23.5M Sell
198,107
-43,554
-18% -$4.66M 0.05% 303
2024
Q2 		$21.7M Sell
241,661
-51,252
-17% -$4.15M 0.05% 307
2024
Q1 		$23.5M Sell
292,913
-87,113
-23% -$6.31M 0.05% 296
2023
Q4 		$26.6M Sell
380,026
-27,651
-7% -$1.73M 0.08% 254
2023
Q3 		$24.2M Sell
407,677
-86,072
-17% -$5.26M 0.09% 217
2023
Q2 		$28.1M Sell
493,749
-156,402
-24% -$8.56M 0.11% 179
2023
Q1 		$34.4M Sell
650,151
-87,319
-12% -$4.58M 0.15% 145
2022
Q4 		$36.8M Sell
737,470
-250,664
-25% -$12.7M 0.19% 96
2022
Q3 		$43.4M Sell
988,134
-35,657
-3% -$1.8M 0.3% 68
2022
Q2 		$49.8M Sell
1,023,791
-190,426
-16% -$10M 0.37% 58
2022
Q1 		$67.3M Sell
1,214,217
-328,091
-21% -$15.6M 0.55% 43
2021
Q4 		$80.7M Sell
1,542,308
-10,542
-0.7% -$498K 0.83% 11
2021
Q3 		$67.5M Buy
1,552,850
+365,854
+31% +$16.5M 0.85% 12
2021
Q2 		$50.2M Sell
1,186,996
-122,976
-9% -$5.16M 0.72% 17
2021
Q1 		$48.5M Sell
1,309,972
-437,245
-25% -$14.6M 0.84% 13
2020
Q4 		$51.5M Buy
1,747,217
+382,096
+28% +$10.6M 0.97% 12
2020
Q3 		$36.6M Buy
1,365,121
+108,085
+9% +$3.08M 0.78% 16
2020
Q2 		$32.8M Buy
1,257,036
+535,401
+74% +$13.5M 0.66% 20
2020
Q1 		$18M Buy
721,635
+459,252
+175% +$13.9M 0.36% 22
2019
Q4 		$8.36M Buy
262,383
+64,078
+32% +$2.1M 0.38% 39
2019
Q3 		$6.42M Buy
198,305
+108,279
+120% +$3.4M 0.14% 127
2019
Q2 		$2.82M Buy
90,026
+42,563
+90% +$1.39M 0.07% 327
2019
Q1 		$1.68M Buy
47,463
+39,018
+462% +$1.38M 0.05% 335
2018
Q4 		$274K Sell
8,445
-9,269
-52% -$304K 0.01% 192
2018
Q3 		$611K Buy
17,714
+1,764
+11% +$62.8K 0.02% 811
2018
Q2 		$558K Buy
15,950
+5,634
+55% +$190K 0.03% 876
2018
Q1 		$339K Buy
10,316
+1,782
+21% +$60K 0.02% 850
2017
Q4 		$322K Buy
8,534
+4,105
+93% +$163K 0.02% 828
2017
Q3 		$172K Buy
4,429
+444
+11% +$16.6K 0.02% 1029
2017
Q2 		$137K Buy
3,985
+322
+9% +$11.3K 0.01% 1071
2017
Q1 		$131K Buy
3,663
+121
+3% +$4.28K 0.02% 1004
2016
Q4 		$115K Sell
3,542
-22
-0.6% -$731 0.02% 994
2016
Q3 		$134K Sell
3,564
-16,122
-82% -$622K 0.02% 942
2016
Q2 		$784K Buy
19,686
+17,197
+691% +$626K 0.12% 161
2016
Q1 		$84K Sell
2,489
-327
-12% -$9.39K 0.02% 660
2015
Q4 		$76K Buy
+2,816
New +$82.6K 0.02% 677

Other funds holding IRM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Pacer Advisors's IRM Position: Q1 2026 in Review

Pacer Advisors reduced its Iron Mountain (IRM) stake by 25% in Q1 2026, selling an estimated $5.59M and leaving 167,170 shares worth $17.1M. The position accounts for 0.05% of the portfolio, ranked #342.

Pacer Advisors first reported a position in IRM in Q4 2015 and has held it in 42 quarters since. The position peaked at $80.7M in Q4 2021. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Pacer Advisors held 167,170 shares of Iron Mountain worth $17.1M as of Q1 2026.
  • Pacer Advisors sold 56,197 Iron Mountain shares in Q1 2026, an estimated $5.59M.
  • Iron Mountain made up 0.05% of Pacer Advisors's portfolio in Q1 2026, its #342 holding.
  • Pacer Advisors first reported a position in Iron Mountain in Q4 2015 and has held it in 42 quarters since.
  • Pacer Advisors's Iron Mountain position peaked at $80.7M in Q4 2021.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Pacer Advisors's 13F filing for Q1 2026, filed 6 May 2026.