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 | |
|---|---|---|---|---|---|---|---|---|
|
2021
Q3 | – | Sell |
-100,000
| Closed | -$4.23M | – | 6046 |
|
|
2021
Q2 | $4.23M | Hold |
100,000
| – | – | ﹤0.01% | 2044 |
|
|
2021
Q1 | $3.7M | Sell |
100,000
-20,600
| -17% | -$689K | ﹤0.01% | 2025 |
|
|
2020
Q4 | $3.56M | Buy |
120,600
+1,500
| +1% | +$41.6K | ﹤0.01% | 2339 |
|
|
2020
Q3 | $3.19M | Sell |
119,100
-33,100
| -22% | -$942K | ﹤0.01% | 2252 |
|
|
2020
Q2 | $3.97M | Buy |
152,200
+62,900
| +70% | +$1.59M | ﹤0.01% | 2079 |
|
|
2020
Q1 | $2.13M | Sell |
89,300
-19,100
| -18% | -$578K | ﹤0.01% | 2416 |
|
|
2019
Q4 | $3.45M | Sell |
108,400
-14,500
| -12% | -$475K | ﹤0.01% | 2373 |
|
|
2019
Q3 | $3.98M | Buy |
122,900
+42,600
| +53% | +$1.34M | ﹤0.01% | 2151 |
|
|
2019
Q2 | $2.51M | Buy |
80,300
+32,200
| +67% | +$1.06M | ﹤0.01% | 2597 |
|
|
2019
Q1 | $1.71M | Buy |
48,100
+43,600
| +969% | +$1.54M | ﹤0.01% | 2829 |
|
|
2018
Q4 | $146K | Sell |
4,500
-1,800
| -29% | -$59K | ﹤0.01% | 5328 |
|
|
2018
Q3 | $217K | Sell |
6,300
-9,600
| -60% | -$342K | ﹤0.01% | 5166 |
|
|
2018
Q2 | $557K | Buy |
15,900
+7,700
| +94% | +$260K | ﹤0.01% | 3973 |
|
|
2018
Q1 | $269K | Sell |
8,200
-1,300
| -14% | -$43.8K | ﹤0.01% | 4639 |
|
|
2017
Q4 | $358K | Buy |
9,500
+6,300
| +197% | +$250K | ﹤0.01% | 4463 |
|
|
2017
Q3 | $124K | Sell |
3,200
-1,300
| -29% | -$48.6K | ﹤0.01% | 5389 |
|
|
2017
Q2 | $155K | Buy |
4,500
+800
| +22% | +$28K | ﹤0.01% | 4998 |
|
|
2017
Q1 | $132K | Sell |
3,700
-1,770
| -32% | -$62.7K | ﹤0.01% | 4993 |
|
|
2016
Q4 | $178K | Buy |
5,470
+100
| +2% | +$3.32K | ﹤0.01% | 5370 |
|
|
2016
Q3 | $202K | Sell |
5,370
-321,000
| -98% | -$12.4M | ﹤0.01% | 4638 |
|
|
2016
Q2 | $13M | Sell |
326,370
-373,100
| -53% | -$13.6M | 0.01% | 870 |
|
|
2016
Q1 | $23.7M | Buy |
699,470
+281,900
| +68% | +$8.1M | 0.03% | 530 |
|
|
2015
Q4 | $11.3M | Buy |
417,570
+397,600
| +1,991% | +$11.7M | 0.01% | 1075 |
|
|
2015
Q3 | $619K | Buy |
19,970
+400
| +2% | +$11.9K | ﹤0.01% | 3531 |
|
|
2015
Q2 | $607K | Buy |
19,570
+13,970
| +249% | +$489K | ﹤0.01% | 3532 |
|
|
2015
Q1 | $204K | Sell |
5,600
-27,400
| -83% | -$1.06M | ﹤0.01% | 4510 |
|
|
2014
Q4 | $1.28M | Hold |
33,000
| – | – | ﹤0.01% | 2885 |
|
|
2014
Q3 | $1.08M | Buy |
+33,000
| New | +$1.07M | ﹤0.01% | 2974 |
|
|
2014
Q2 | – | Sell |
-12,227
| Closed | -$312K | – | 7219 |
|
|
2014
Q1 | $312K | Sell |
12,227
-386,815
| -97% | -$9.89M | ﹤0.01% | 3922 |
|
|
2013
Q4 | $11.2M | Buy |
399,042
+366,257
| +1,117% | +$9.38M | 0.01% | 1157 |
|
|
2013
Q3 | $819K | Sell |
32,785
-62,864
| -66% | -$1.6M | ﹤0.01% | 3050 |
|
|
2013
Q2 | $2.35M | Buy |
+95,649
| New | +$3.09M | ﹤0.01% | 2261 |
|
Other funds holding IRM
Citigroup's IRM Position: Q2 2026 in Review
Citigroup increased its Iron Mountain (IRM) stake by 34% in Q2 2026, buying an estimated $13.1M and bringing the position to 422,524 shares worth $53.4M. The position accounts for 0.02% of the portfolio, ranked #713.
Citigroup first reported a position in IRM in Q2 2013 and has held it in 53 quarters since. 1,171 funds tracked by Wall St. Rank hold IRM as of Q2 2026.
- Citigroup held 422,524 shares of Iron Mountain worth $53.4M as of Q2 2026.
- Citigroup bought 106,890 Iron Mountain shares in Q2 2026, an estimated $13.1M.
- Iron Mountain made up 0.02% of Citigroup's portfolio in Q2 2026, its #713 holding.
- Citigroup first reported a position in Iron Mountain in Q2 2013 and has held it in 53 quarters since.
- 1,171 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.
Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.