Morgan Stanley’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
Q2 | $559M | Sell |
4,426,922
-225,325
| -5% | -$27.6M | 0.03% | 523 |
|
|
2026
Q1 | $475M | Buy |
4,652,247
+1,053,274
| +29% | +$105M | 0.03% | 557 |
|
|
2025
Q4 | $299M | Sell |
3,598,973
-12,426
| -0.3% | -$1.16M | 0.02% | 749 |
|
|
2025
Q3 | $368M | Buy |
3,611,399
+104,916
| +3% | +$10.1M | 0.02% | 639 |
|
|
2025
Q2 | $360M | Buy |
3,506,483
+117,444
| +3% | +$11.1M | 0.02% | 622 |
|
|
2025
Q1 | $292M | Buy |
3,389,039
+2,824
| +0.1% | +$272K | 0.02% | 670 |
|
|
2024
Q4 | $356M | Sell |
3,386,215
-254,699
| -7% | -$29.9M | 0.02% | 598 |
|
|
2024
Q3 | $433M | Sell |
3,640,914
-14,572
| -0.4% | -$1.56M | 0.03% | 524 |
|
|
2024
Q2 | $328M | Buy |
3,655,486
+197,051
| +6% | +$15.9M | 0.03% | 597 |
|
|
2024
Q1 | $277M | Sell |
3,458,435
-3,913,179
| -53% | -$283M | 0.02% | 656 |
|
|
2023
Q4 | $516M | Buy |
7,371,614
+3,149,485
| +75% | +$198M | 0.02% | 659 |
|
|
2023
Q3 | $251M | Sell |
4,222,129
-152,975
| -3% | -$9.35M | 0.03% | 614 |
|
|
2023
Q2 | $249M | Sell |
4,375,104
-488,293
| -10% | -$26.7M | 0.02% | 631 |
|
|
2023
Q1 | $257M | Sell |
4,863,397
-200,230
| -4% | -$10.5M | 0.03% | 604 |
|
|
2022
Q4 | $252M | Sell |
5,063,627
-307,090
| -6% | -$15.5M | 0.03% | 588 |
|
|
2022
Q3 | $236M | Buy |
5,370,717
+695,338
| +15% | +$35.1M | 0.03% | 512 |
|
|
2022
Q2 | $228M | Buy |
4,675,379
+625,431
| +15% | +$32.9M | 0.03% | 538 |
|
|
2022
Q1 | $224M | Buy |
4,049,948
+1,195,066
| +42% | +$56.9M | 0.03% | 492 |
|
|
2021
Q4 | $149M | Sell |
2,854,882
-1,340,279
| -32% | -$63.3M | 0.02% | 683 |
|
|
2021
Q3 | $182M | Buy |
4,195,161
+1,139,861
| +37% | +$51.3M | 0.02% | 565 |
|
|
2021
Q2 | $129M | Buy |
3,055,300
+1,123,761
| +58% | +$47.1M | 0.02% | 715 |
|
|
2021
Q1 | $71.5M | Sell |
1,931,539
-224,981
| -10% | -$7.52M | 0.01% | 950 |
|
|
2020
Q4 | $63.6M | Buy |
2,156,520
+780,108
| +57% | +$21.6M | 0.01% | 936 |
|
|
2020
Q3 | $36.9M | Sell |
1,376,412
-2,310,982
| -63% | -$65.8M | 0.01% | 1070 |
|
|
2020
Q2 | $96.2M | Sell |
3,687,394
-1,772,882
| -32% | -$44.8M | 0.02% | 571 |
|
|
2020
Q1 | $130M | Buy |
5,460,276
+322,029
| +6% | +$9.75M | 0.04% | 427 |
|
|
2019
Q4 | $164M | Buy |
5,138,247
+1,033,225
| +25% | +$33.9M | 0.04% | 437 |
|
|
2019
Q3 | $133M | Buy |
4,105,022
+1,397,477
| +52% | +$43.9M | 0.04% | 463 |
|
|
2019
Q2 | $84.7M | Sell |
2,707,545
-1,152,220
| -30% | -$37.8M | 0.02% | 610 |
|
|
2019
Q1 | $137M | Sell |
3,859,765
-508,298
| -12% | -$18M | 0.04% | 438 |
|
|
2018
Q4 | $142M | Sell |
4,368,063
-140,549
| -3% | -$4.61M | 0.04% | 416 |
|
|
2018
Q3 | $156M | Buy |
4,508,612
+1,416,410
| +46% | +$50.5M | 0.04% | 433 |
|
|
2018
Q2 | $108M | Sell |
3,092,202
-62,653
| -2% | -$2.12M | 0.03% | 538 |
|
|
2018
Q1 | $104M | Buy |
3,154,855
+29,669
| +0.9% | +$1,000K | 0.03% | 571 |
|
|
2017
Q4 | $118M | Sell |
3,125,186
-359,099
| -10% | -$14.2M | 0.03% | 530 |
|
|
2017
Q3 | $136M | Buy |
3,484,285
+382,401
| +12% | +$14.3M | 0.04% | 435 |
|
|
2017
Q2 | $107M | Buy |
3,101,884
+263,255
| +9% | +$9.21M | 0.03% | 535 |
|
|
2017
Q1 | $101M | Sell |
2,838,629
-187,111
| -6% | -$6.63M | 0.03% | 562 |
|
|
2016
Q4 | $98.3M | Buy |
3,025,740
+1,394,928
| +86% | +$46.4M | 0.03% | 546 |
|
|
2016
Q3 | $61.2M | Sell |
1,630,812
-437,717
| -21% | -$16.9M | 0.02% | 743 |
|
|
2016
Q2 | $82.4M | Buy |
2,068,529
+1,602,637
| +344% | +$58.3M | 0.03% | 569 |
|
|
2016
Q1 | $15.8M | Sell |
465,892
-105,102
| -18% | -$3.02M | 0.01% | 1497 |
|
|
2015
Q4 | $15.4M | Buy |
570,994
+68,498
| +14% | +$2.01M | 0.01% | 1608 |
|
|
2015
Q3 | $15.6M | Sell |
502,496
-105,726
| -17% | -$3.15M | 0.01% | 1583 |
|
|
2015
Q2 | $18.9M | Sell |
608,222
-543,466
| -47% | -$19M | 0.01% | 1545 |
|
|
2015
Q1 | $42M | Sell |
1,151,688
-331,824
| -22% | -$12.8M | 0.02% | 951 |
|
|
2014
Q4 | $57.4M | Buy |
1,483,512
+224,821
| +18% | +$8.18M | 0.02% | 779 |
|
|
2014
Q3 | $41.1M | Sell |
1,258,691
-306,255
| -20% | -$9.93M | 0.02% | 931 |
|
|
2014
Q2 | $51.3M | Buy |
1,564,946
+270,887
| +21% | +$7.35M | 0.02% | 784 |
|
|
2014
Q1 | $33M | Buy |
1,294,059
+488,911
| +61% | +$12.5M | 0.01% | 994 |
|
|
2013
Q4 | $22.6M | Sell |
805,148
-111,142
| -12% | -$2.85M | 0.01% | 1255 |
|
|
2013
Q3 | $22.9M | Sell |
916,290
-1,193,251
| -57% | -$30.3M | 0.01% | 1132 |
|
|
2013
Q2 | $51.9M | Buy |
+2,109,541
| New | +$68.1M | 0.03% | 628 |
|
Other funds holding IRM
Morgan Stanley's IRM Position: Q2 2026 in Review
Morgan Stanley reduced its Iron Mountain (IRM) stake by 4.8% in Q2 2026, selling an estimated $27.6M and leaving 4,426,922 shares worth $559M. The position accounts for 0.03% of the portfolio, ranked #523.
Morgan Stanley first reported a position in IRM in Q2 2013 and has held it in 53 quarters since. 1,165 funds tracked by Wall St. Rank hold IRM as of Q2 2026.
- Morgan Stanley held 4,426,922 shares of Iron Mountain worth $559M as of Q2 2026.
- Morgan Stanley sold 225,325 Iron Mountain shares in Q2 2026, an estimated $27.6M.
- Iron Mountain made up 0.03% of Morgan Stanley's portfolio in Q2 2026, its #523 holding.
- Morgan Stanley first reported a position in Iron Mountain in Q2 2013 and has held it in 53 quarters since.
- 1,165 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.
Based on Morgan Stanley's 13F filing for Q2 2026, filed 13 Aug 2026.