Citigroup’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 | $32.2M | Sell |
315,634
-2,967
| -0.9% | -$295K | 0.01% | 830 |
|
|
2025
Q4 | $26.4M | Sell |
318,601
-101,122
| -24% | -$9.46M | 0.01% | 954 |
|
|
2025
Q3 | $42.8M | Buy |
419,723
+215,308
| +105% | +$20.7M | 0.02% | 692 |
|
|
2025
Q2 | $21M | Sell |
204,415
-26,214
| -11% | -$2.47M | 0.01% | 936 |
|
|
2025
Q1 | $19.8M | Buy |
230,629
+59,761
| +35% | +$5.76M | 0.01% | 979 |
|
|
2024
Q4 | $18M | Sell |
170,868
-97,521
| -36% | -$11.5M | 0.01% | 1020 |
|
|
2024
Q3 | $31.9M | Buy |
268,389
+20,905
| +8% | +$2.24M | 0.02% | 723 |
|
|
2024
Q2 | $22.2M | Buy |
247,484
+11,386
| +5% | +$921K | 0.01% | 833 |
|
|
2024
Q1 | $18.9M | Buy |
236,098
+78,677
| +50% | +$5.69M | 0.01% | 906 |
|
|
2023
Q4 | $11M | Sell |
157,421
-79,669
| -34% | -$5M | 0.01% | 1168 |
|
|
2023
Q3 | $14.1M | Buy |
237,090
+11,911
| +5% | +$728K | 0.01% | 942 |
|
|
2023
Q2 | $12.8M | Sell |
225,179
-129,485
| -37% | -$7.09M | 0.01% | 1026 |
|
|
2023
Q1 | $18.8M | Buy |
354,664
+100,699
| +40% | +$5.28M | 0.01% | 853 |
|
|
2022
Q4 | $12.7M | Sell |
253,965
-140,645
| -36% | -$7.1M | 0.01% | 1009 |
|
|
2022
Q3 | $17.4M | Buy |
394,610
+108,368
| +38% | +$5.47M | 0.01% | 853 |
|
|
2022
Q2 | $13.9M | Buy |
286,242
+15,629
| +6% | +$822K | 0.01% | 981 |
|
|
2022
Q1 | $15M | Sell |
270,613
-74,704
| -22% | -$3.56M | 0.01% | 1089 |
|
|
2021
Q4 | $18.1M | Sell |
345,317
-137,287
| -28% | -$6.49M | 0.01% | 1062 |
|
|
2021
Q3 | $21M | Sell |
482,604
-257,597
| -35% | -$11.6M | 0.01% | 969 |
|
|
2021
Q2 | $31.3M | Buy |
740,201
+35,800
| +5% | +$1.5M | 0.02% | 761 |
|
|
2021
Q1 | $26.1M | Buy |
704,401
+226,731
| +47% | +$7.58M | 0.02% | 805 |
|
|
2020
Q4 | $14.1M | Buy |
477,670
+57,763
| +14% | +$1.6M | 0.01% | 1284 |
|
|
2020
Q3 | $11.2M | Buy |
419,907
+157,286
| +60% | +$4.48M | 0.01% | 1280 |
|
|
2020
Q2 | $6.85M | Buy |
262,621
+97,956
| +59% | +$2.47M | 0.01% | 1609 |
|
|
2020
Q1 | $3.92M | Sell |
164,665
-80,798
| -33% | -$2.45M | ﹤0.01% | 1877 |
|
|
2019
Q4 | $7.82M | Sell |
245,463
-18,301
| -7% | -$600K | 0.01% | 1676 |
|
|
2019
Q3 | $8.54M | Sell |
263,764
-78,947
| -23% | -$2.48M | 0.01% | 1520 |
|
|
2019
Q2 | $10.7M | Buy |
342,711
+110,157
| +47% | +$3.61M | 0.01% | 1345 |
|
|
2019
Q1 | $8.25M | Sell |
232,554
-8,062
| -3% | -$285K | 0.01% | 1402 |
|
|
2018
Q4 | $7.8M | Buy |
240,616
+193
| +0.1% | +$6.33K | 0.01% | 1444 |
|
|
2018
Q3 | $8.3M | Buy |
240,423
+36,975
| +18% | +$1.32M | 0.01% | 1419 |
|
|
2018
Q2 | $7.12M | Sell |
203,448
-31,572
| -13% | -$1.07M | 0.01% | 1537 |
|
|
2018
Q1 | $7.72M | Sell |
235,020
-21,088
| -8% | -$711K | 0.01% | 1427 |
|
|
2017
Q4 | $9.66M | Buy |
256,108
+1,293
| +0.5% | +$51.3K | 0.01% | 1316 |
|
|
2017
Q3 | $9.91M | Buy |
254,815
+36,484
| +17% | +$1.36M | 0.01% | 1243 |
|
|
2017
Q2 | $7.5M | Buy |
218,331
+54,262
| +33% | +$1.9M | 0.01% | 1381 |
|
|
2017
Q1 | $5.85M | Buy |
164,069
+9,734
| +6% | +$345K | 0.01% | 1531 |
|
|
2016
Q4 | $5.01M | Buy |
154,335
+75,631
| +96% | +$2.51M | ﹤0.01% | 1832 |
|
|
2016
Q3 | $2.95M | Sell |
78,704
-11,775
| -13% | -$454K | ﹤0.01% | 2158 |
|
|
2016
Q2 | $3.6M | Sell |
90,479
-10,955
| -11% | -$399K | ﹤0.01% | 1871 |
|
|
2016
Q1 | $3.44M | Buy |
101,434
+36,649
| +57% | +$1.05M | ﹤0.01% | 1912 |
|
|
2015
Q4 | $1.75M | Sell |
64,785
-147,313
| -69% | -$4.32M | ﹤0.01% | 2585 |
|
|
2015
Q3 | $6.58M | Sell |
212,098
-10,252
| -5% | -$306K | 0.01% | 1457 |
|
|
2015
Q2 | $6.89M | Buy |
222,350
+158,062
| +246% | +$5.54M | 0.01% | 1478 |
|
|
2015
Q1 | $2.35M | Buy |
64,288
+41,604
| +183% | +$1.61M | ﹤0.01% | 2343 |
|
|
2014
Q4 | $877K | Sell |
22,684
-3,304
| -13% | -$120K | ﹤0.01% | 3278 |
|
|
2014
Q3 | $848K | Sell |
25,988
-373,033
| -93% | -$12.1M | ﹤0.01% | 3128 |
|
|
2014
Q2 | $13.1M | Buy |
399,021
+211,544
| +113% | +$5.74M | 0.01% | 1080 |
|
|
2014
Q1 | $4.78M | Sell |
187,477
-69,556
| -27% | -$1.78M | ﹤0.01% | 1734 |
|
|
2013
Q4 | $7.21M | Sell |
257,033
-129,555
| -34% | -$3.32M | 0.01% | 1504 |
|
|
2013
Q3 | $9.65M | Buy |
386,588
+180,142
| +87% | +$4.58M | 0.01% | 1198 |
|
|
2013
Q2 | $5.08M | Buy |
+206,446
| New | +$6.66M | 0.01% | 1616 |
|
Other funds holding IRM
VPM
VCM
Citigroup's IRM Position: Q1 2026 in Review
Citigroup reduced its Iron Mountain (IRM) stake by 0.93% in Q1 2026, selling an estimated $295K and leaving 315,634 shares worth $32.2M. The position accounts for 0.01% of the portfolio, ranked #830.
Citigroup first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $42.8M in Q3 2025. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.
- Citigroup held 315,634 shares of Iron Mountain worth $32.2M as of Q1 2026.
- Citigroup sold 2,967 Iron Mountain shares in Q1 2026, an estimated $295K.
- Iron Mountain made up 0.01% of Citigroup's portfolio in Q1 2026, its #830 holding.
- Citigroup first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
- Citigroup's Iron Mountain position peaked at $42.8M in Q3 2025.
- 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.
Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.