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
Q1 | – | Sell |
-67,200
| Closed | -$1.98M | – | 6821 |
|
|
2020
Q4 | $1.98M | Sell |
67,200
-38,300
| -36% | -$1.06M | ﹤0.01% | 2868 |
|
|
2020
Q3 | $2.83M | Sell |
105,500
-22,400
| -18% | -$637K | ﹤0.01% | 2349 |
|
|
2020
Q2 | $3.34M | Sell |
127,900
-10,300
| -7% | -$260K | ﹤0.01% | 2248 |
|
|
2020
Q1 | $3.29M | Buy |
138,200
+6,600
| +5% | +$200K | ﹤0.01% | 2036 |
|
|
2019
Q4 | $4.19M | Buy |
131,600
+11,900
| +10% | +$390K | ﹤0.01% | 2179 |
|
|
2019
Q3 | $3.88M | Sell |
119,700
-32,200
| -21% | -$1.01M | ﹤0.01% | 2169 |
|
|
2019
Q2 | $4.75M | Buy |
151,900
+100,500
| +196% | +$3.29M | ﹤0.01% | 2018 |
|
|
2019
Q1 | $1.82M | Buy |
51,400
+34,900
| +212% | +$1.23M | ﹤0.01% | 2745 |
|
|
2018
Q4 | $535K | Buy |
16,500
+1,000
| +6% | +$32.8K | ﹤0.01% | 4059 |
|
|
2018
Q3 | $535K | Sell |
15,500
-800
| -5% | -$28.5K | ﹤0.01% | 4197 |
|
|
2018
Q2 | $571K | Buy |
16,300
+3,400
| +26% | +$115K | ﹤0.01% | 3949 |
|
|
2018
Q1 | $424K | Sell |
12,900
-6,500
| -34% | -$219K | ﹤0.01% | 4161 |
|
|
2017
Q4 | $732K | Sell |
19,400
-39,400
| -67% | -$1.56M | ﹤0.01% | 3671 |
|
|
2017
Q3 | $2.29M | Buy |
58,800
+45,600
| +345% | +$1.7M | ﹤0.01% | 2520 |
|
|
2017
Q2 | $454K | Buy |
13,200
+11,100
| +529% | +$388K | ﹤0.01% | 4074 |
|
|
2017
Q1 | $75K | Sell |
2,100
-1,600
| -43% | -$56.7K | ﹤0.01% | 5417 |
|
|
2016
Q4 | $120K | Sell |
3,700
-1,100
| -23% | -$36.6K | ﹤0.01% | 5659 |
|
|
2016
Q3 | $180K | Sell |
4,800
-1,620
| -25% | -$62.5K | ﹤0.01% | 4738 |
|
|
2016
Q2 | $256K | Sell |
6,420
-55,700
| -90% | -$2.03M | ﹤0.01% | 4274 |
|
|
2016
Q1 | $2.11M | Sell |
62,120
-955,020
| -94% | -$27.4M | ﹤0.01% | 2430 |
|
|
2015
Q4 | $27.5M | Buy |
1,017,140
+193,300
| +23% | +$5.67M | 0.03% | 595 |
|
|
2015
Q3 | $25.6M | Buy |
823,840
+4,030
| +0.5% | +$120K | 0.02% | 606 |
|
|
2015
Q2 | $25.4M | Buy |
819,810
+815,120
| +17,380% | +$28.5M | 0.02% | 666 |
|
|
2015
Q1 | $171K | Buy |
+4,690
| New | +$181K | ﹤0.01% | 4658 |
|
|
2014
Q2 | – | Sell |
-212,288
| Closed | -$5.41M | – | 7218 |
|
|
2014
Q1 | $5.41M | Buy |
212,288
+125,079
| +143% | +$3.2M | 0.01% | 1640 |
|
|
2013
Q4 | $2.45M | Buy |
87,209
+43,929
| +101% | +$1.13M | ﹤0.01% | 2386 |
|
|
2013
Q3 | $1.08M | Buy |
43,280
+32,460
| +300% | +$824K | ﹤0.01% | 2847 |
|
|
2013
Q2 | $266K | Buy |
+10,820
| New | +$349K | ﹤0.01% | 4028 |
|
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.