Group One Trading’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 | $1.22M | Sell |
11,900
-7,400
| -38% | -$736K | ﹤0.01% | 2530 |
|
|
2025
Q4 | $1.6M | Buy |
19,300
+3,500
| +22% | +$328K | ﹤0.01% | 2472 |
|
|
2025
Q3 | $1.61M | Hold |
15,800
| – | – | ﹤0.01% | 2538 |
|
|
2025
Q2 | $1.62M | Sell |
15,800
-54,800
| -78% | -$5.17M | ﹤0.01% | 2330 |
|
|
2025
Q1 | $6.07M | Sell |
70,600
-5,300
| -7% | -$511K | 0.02% | 928 |
|
|
2024
Q4 | $7.98M | Sell |
75,900
-57,900
| -43% | -$6.8M | 0.02% | 837 |
|
|
2024
Q3 | $15.9M | Buy |
133,800
+81,500
| +156% | +$8.72M | 0.05% | 366 |
|
|
2024
Q2 | $4.69M | Buy |
52,300
+17,000
| +48% | +$1.38M | 0.02% | 840 |
|
|
2024
Q1 | $2.83M | Buy |
35,300
+10,300
| +41% | +$746K | 0.01% | 1238 |
|
|
2023
Q4 | $1.75M | Sell |
25,000
-84,500
| -77% | -$5.3M | ﹤0.01% | 1981 |
|
|
2023
Q3 | $6.51M | Sell |
109,500
-35,700
| -25% | -$2.18M | 0.02% | 774 |
|
|
2023
Q2 | $8.25M | Buy |
145,200
+62,300
| +75% | +$3.41M | 0.03% | 620 |
|
|
2023
Q1 | $4.39M | Sell |
82,900
-4,500
| -5% | -$236K | 0.02% | 915 |
|
|
2022
Q4 | $4.36M | Sell |
87,400
-29,100
| -25% | -$1.47M | 0.01% | 1238 |
|
|
2022
Q3 | $5.12M | Buy |
116,500
+20,500
| +21% | +$1.04M | 0.01% | 1151 |
|
|
2022
Q2 | $4.67M | Sell |
96,000
-5,600
| -6% | -$295K | 0.01% | 1345 |
|
|
2022
Q1 | $5.63M | Buy |
101,600
+49,600
| +95% | +$2.36M | 0.01% | 1463 |
|
|
2021
Q4 | $2.72M | Sell |
52,000
-80,800
| -61% | -$3.82M | ﹤0.01% | 2275 |
|
|
2021
Q3 | $5.77M | Sell |
132,800
-80,300
| -38% | -$3.61M | 0.01% | 1551 |
|
|
2021
Q2 | $9.02M | Sell |
213,100
-2,800
| -1% | -$117K | 0.01% | 1156 |
|
|
2021
Q1 | $7.99M | Sell |
215,900
-97,700
| -31% | -$3.27M | 0.01% | 1116 |
|
|
2020
Q4 | $9.24M | Buy |
313,600
+41,800
| +15% | +$1.16M | 0.02% | 849 |
|
|
2020
Q3 | $7.28M | Sell |
271,800
-4,900
| -2% | -$139K | 0.02% | 684 |
|
|
2020
Q2 | $7.22M | Buy |
276,700
+217,300
| +366% | +$5.49M | 0.03% | 591 |
|
|
2020
Q1 | $1.41M | Sell |
59,400
-61,700
| -51% | -$1.87M | 0.01% | 1267 |
|
|
2019
Q4 | $3.86M | Sell |
121,100
-24,500
| -17% | -$803K | 0.03% | 845 |
|
|
2019
Q3 | $4.72M | Buy |
145,600
+83,000
| +133% | +$2.61M | 0.04% | 605 |
|
|
2019
Q2 | $1.96M | Buy |
62,600
+13,000
| +26% | +$426K | 0.02% | 1101 |
|
|
2019
Q1 | $1.76M | Buy |
49,600
+18,100
| +57% | +$639K | 0.02% | 1013 |
|
|
2018
Q4 | $1.02M | Sell |
31,500
-44,200
| -58% | -$1.45M | 0.01% | 1492 |
|
|
2018
Q3 | $2.61M | Buy |
75,700
+47,100
| +165% | +$1.68M | 0.02% | 968 |
|
|
2018
Q2 | $1M | Buy |
28,600
+17,100
| +149% | +$578K | 0.01% | 1724 |
|
|
2018
Q1 | $378K | Hold |
11,500
| – | – | ﹤0.01% | 2274 |
|
|
2017
Q4 | $434K | Sell |
11,500
-4,700
| -29% | -$186K | ﹤0.01% | 2357 |
|
|
2017
Q3 | $630K | Buy |
16,200
+1,300
| +9% | +$48.6K | 0.01% | 1891 |
|
|
2017
Q2 | $512K | Buy |
14,900
+13,500
| +964% | +$472K | 0.01% | 1952 |
|
|
2017
Q1 | $50K | Sell |
1,400
-2,400
| -63% | -$85K | ﹤0.01% | 3402 |
|
|
2016
Q4 | $123K | Buy |
3,800
+100
| +3% | +$3.32K | ﹤0.01% | 2724 |
|
|
2016
Q3 | $139K | Buy |
3,700
+1,900
| +106% | +$73.3K | ﹤0.01% | 2721 |
|
|
2016
Q2 | $72K | Sell |
1,800
-1,700
| -49% | -$61.9K | ﹤0.01% | 3069 |
|
|
2016
Q1 | $119K | Sell |
3,500
-17,300
| -83% | -$497K | ﹤0.01% | 2709 |
|
|
2015
Q4 | $562K | Buy |
20,800
+2,800
| +16% | +$82.1K | 0.01% | 1728 |
|
|
2015
Q3 | $558K | Buy |
18,000
+5,000
| +38% | +$149K | 0.01% | 1687 |
|
|
2015
Q2 | $403K | Sell |
13,000
-220,000
| -94% | -$7.7M | 0.01% | 1976 |
|
|
2015
Q1 | $8.5M | Buy |
233,000
+130,000
| +126% | +$5.02M | 0.13% | 128 |
|
|
2014
Q4 | $3.98M | Sell |
103,000
-290,200
| -74% | -$10.6M | 0.06% | 371 |
|
|
2014
Q3 | $12.8M | Buy |
393,200
+120,320
| +44% | +$3.9M | 0.2% | 86 |
|
|
2014
Q2 | $8.94M | Buy |
272,880
+124,538
| +84% | +$3.38M | 0.14% | 140 |
|
|
2014
Q1 | $3.78M | Buy |
148,342
+77,363
| +109% | +$1.98M | 0.06% | 323 |
|
|
2013
Q4 | $1.99M | Buy |
70,979
+55,939
| +372% | +$1.43M | 0.03% | 657 |
|
|
2013
Q3 | $376K | Buy |
+15,040
| New | +$382K | 0.01% | 1857 |
|
Other funds holding IRM
VPM
VCM
Group One Trading's IRM Position: Q1 2026 in Review
Group One Trading reduced its Iron Mountain (IRM) stake by 18% in Q1 2026, selling an estimated $114K and leaving 5,151 shares worth $526K. The position accounts for ﹤0.01% of the portfolio, ranked #3295.
Group One Trading first reported a position in IRM in Q3 2013 and has held it in 16 quarters since. The position peaked at $6.61M in Q2 2014. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.
- Group One Trading held 5,151 shares of Iron Mountain worth $526K as of Q1 2026.
- Group One Trading sold 1,143 Iron Mountain shares in Q1 2026, an estimated $114K.
- Iron Mountain made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3295 holding.
- Group One Trading first reported a position in Iron Mountain in Q3 2013 and has held it in 16 quarters since.
- Group One Trading's Iron Mountain position peaked at $6.61M in Q2 2014.
- 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.