Neuberger Berman Group’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
$36.8M Sell
360,751
-70,635
-16% -$7.03M 0.03% 532
2025
Q4
$35.8M Buy
431,386
+15,138
+4% +$1.42M 0.03% 536
2025
Q3
$42.4M Buy
416,248
+51,622
+14% +$4.97M 0.03% 504
2025
Q2
$37.4M Buy
364,626
+325,110
+823% +$30.6M 0.03% 504
2025
Q1
$3.4M Sell
39,516
-475,718
-92% -$45.8M ﹤0.01% 1007
2024
Q4
$54.2M Sell
515,234
-137,382
-21% -$16.1M 0.04% 421
2024
Q3
$77.6M Sell
652,616
-152
-0% -$16.3K 0.06% 346
2024
Q2
$58.5M Sell
652,768
-33,599
-5% -$2.72M 0.05% 391
2024
Q1
$55.1M Buy
686,367
+48,339
+8% +$3.5M 0.05% 413
2023
Q4
$44.6M Sell
638,028
-72,857
-10% -$4.57M 0.04% 444
2023
Q3
$42.3M Sell
710,885
-307,653
-30% -$18.8M 0.04% 439
2023
Q2
$57.9M Sell
1,018,538
-140,242
-12% -$7.68M 0.05% 387
2023
Q1
$61.3M Buy
1,158,780
+45,737
+4% +$2.4M 0.06% 379
2022
Q4
$55.5M Sell
1,113,043
-254,276
-19% -$12.8M 0.05% 390
2022
Q3
$60.2M Buy
1,367,319
+753,405
+123% +$38M 0.06% 371
2022
Q2
$30M Buy
613,914
+485,094
+377% +$25.5M 0.03% 537
2022
Q1
$7.21M Sell
128,820
-1,070
-0.8% -$51K 0.01% 876
2021
Q4
$6.53M Sell
129,890
-25,478
-16% -$1.2M 0.01% 918
2021
Q3
$6.54M Sell
155,368
-16,197
-9% -$729K 0.01% 890
2021
Q2
$7.1M Buy
171,565
+46,765
+37% +$1.96M 0.01% 879
2021
Q1
$4.66M Buy
124,800
+12,211
+11% +$408K ﹤0.01% 966
2020
Q4
$3.35M Buy
112,589
+19,272
+21% +$535K ﹤0.01% 1011
2020
Q3
$2.5M Sell
93,317
-1,727
-2% -$49.1K ﹤0.01% 1023
2020
Q2
$2.48M Buy
95,044
+6,155
+7% +$155K ﹤0.01% 971
2020
Q1
$2.12M Sell
88,889
-17,528
-16% -$531K ﹤0.01% 935
2019
Q4
$3.39M Buy
106,417
+1,674
+2% +$54.9K ﹤0.01% 922
2019
Q3
$3.39M Sell
104,743
-10,195
-9% -$320K ﹤0.01% 911
2019
Q2
$3.6M Sell
114,938
-5,030
-4% -$165K ﹤0.01% 913
2019
Q1
$4.25M Sell
119,968
-3,451
-3% -$122K 0.01% 862
2018
Q4
$4M Sell
123,419
-238,144
-66% -$7.81M 0.01% 865
2018
Q3
$12.5M Sell
361,563
-18,043
-5% -$643K 0.01% 755
2018
Q2
$13.3M Sell
379,606
-380,776
-50% -$12.9M 0.01% 746
2018
Q1
$25M Sell
760,382
-647,969
-46% -$21.8M 0.03% 585
2017
Q4
$53.1M Sell
1,408,351
-138,438
-9% -$5.49M 0.06% 403
2017
Q3
$60.2M Buy
1,546,789
+131,626
+9% +$4.92M 0.08% 352
2017
Q2
$48.6M Buy
1,415,163
+4,313
+0.3% +$151K 0.06% 398
2017
Q1
$50.3M Buy
1,410,850
+841,849
+148% +$29.8M 0.06% 389
2016
Q4
$18.5M Sell
569,001
-426,716
-43% -$14.2M 0.02% 608
2016
Q3
$37.4M Buy
995,717
+982,194
+7,263% +$37.9M 0.05% 446
2016
Q2
$539K Buy
13,523
+3,222
+31% +$117K ﹤0.01% 1232
2016
Q1
$349K Sell
10,301
-199,282
-95% -$5.72M ﹤0.01% 1333
2015
Q4
$5.66M Sell
209,583
-48,357
-19% -$1.42M 0.01% 866
2015
Q3
$8M Sell
257,940
-13,738
-5% -$410K 0.01% 814
2015
Q2
$8.42M Sell
271,678
-11,675
-4% -$409K 0.01% 857
2015
Q1
$10.3M Sell
283,353
-44,721
-14% -$1.73M 0.01% 826
2014
Q4
$12.7M Sell
328,074
-17,072
-5% -$621K 0.01% 785
2014
Q3
$11.3M Buy
345,146
+73,653
+27% +$2.39M 0.01% 814
2014
Q2
$8.89M Buy
271,493
+222,715
+457% +$6.04M 0.01% 856
2014
Q1
$1.24M Sell
48,778
-54,068
-53% -$1.38M ﹤0.01% 1181
2013
Q4
$2.88M Sell
102,846
-853,523
-89% -$21.9M ﹤0.01% 992
2013
Q3
$23.9M Sell
956,369
-2,246,932
-70% -$57.1M 0.03% 587
2013
Q2
$78.8M Buy
+3,203,301
New +$103M 0.09% 308

Other funds holding IRM

Neuberger Berman Group's IRM Position: Q1 2026 in Review

Neuberger Berman Group reduced its Iron Mountain (IRM) stake by 16% in Q1 2026, selling an estimated $7.03M and leaving 360,751 shares worth $36.8M. The position accounts for 0.03% of the portfolio, ranked #532.

Neuberger Berman Group first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $78.8M in Q2 2013. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Neuberger Berman Group held 360,751 shares of Iron Mountain worth $36.8M as of Q1 2026.
  • Neuberger Berman Group sold 70,635 Iron Mountain shares in Q1 2026, an estimated $7.03M.
  • Iron Mountain made up 0.03% of Neuberger Berman Group's portfolio in Q1 2026, its #532 holding.
  • Neuberger Berman Group first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
  • Neuberger Berman Group's Iron Mountain position peaked at $78.8M in Q2 2013.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Neuberger Berman Group's 13F filing for Q1 2026, filed 14 May 2026.