GSA Capital Partners’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 | $267K | Buy |
+2,116
| New | +$259K | 0.02% | 1371 |
|
|
2026
Q1 | – | Sell |
-4,456
| Closed | -$370K | – | 1937 |
|
|
2025
Q4 | $370K | Buy |
+4,456
| New | +$417K | 0.03% | 1039 |
|
|
2025
Q3 | – | Sell |
-3,548
| Closed | -$364K | – | 1869 |
|
|
2025
Q2 | $364K | Buy |
+3,548
| New | +$334K | 0.03% | 1139 |
|
|
2025
Q1 | – | Sell |
-2,329
| Closed | -$245K | – | 1852 |
|
|
2024
Q4 | $245K | Buy |
+2,329
| New | +$274K | 0.02% | 1319 |
|
|
2023
Q3 | – | Sell |
-10,838
| Closed | -$616K | – | 1697 |
|
|
2023
Q2 | $616K | Buy |
+10,838
| New | +$593K | 0.06% | 614 |
|
|
2022
Q4 | – | Sell |
-8,240
| Closed | -$362K | – | 1669 |
|
|
2022
Q3 | $362K | Buy |
+8,240
| New | +$416K | 0.05% | 809 |
|
|
2021
Q3 | – | Sell |
-6,059
| Closed | -$256K | – | 1602 |
|
|
2021
Q2 | $256K | Buy |
+6,059
| New | +$254K | 0.03% | 1048 |
|
|
2020
Q4 | – | Sell |
-23,128
| Closed | -$620K | – | 1398 |
|
|
2020
Q3 | $620K | Buy |
+23,128
| New | +$658K | 0.1% | 280 |
|
|
2019
Q2 | – | Sell |
-21,940
| Closed | -$778K | – | 1579 |
|
|
2019
Q1 | $778K | Buy |
+21,940
| New | +$775K | 0.08% | 431 |
|
|
2018
Q4 | – | Sell |
-18,639
| Closed | -$643K | – | 1536 |
|
|
2018
Q3 | $643K | Buy |
+18,639
| New | +$664K | 0.04% | 947 |
|
|
2017
Q1 | – | Sell |
-13,781
| Closed | -$448K | – | 1864 |
|
|
2016
Q4 | $448K | Buy |
13,781
+6,704
| +95% | +$223K | 0.03% | 1067 |
|
|
2016
Q3 | $266K | Buy |
+7,077
| New | +$273K | 0.01% | 1448 |
|
|
2016
Q1 | – | Sell |
-36,700
| Closed | -$991K | – | 1791 |
|
|
2015
Q4 | $991K | Buy |
+36,700
| New | +$1.08M | 0.05% | 713 |
|
|
2015
Q2 | – | Sell |
-54,912
| Closed | -$2M | – | 2056 |
|
|
2015
Q1 | $2M | Buy |
54,912
+38,490
| +234% | +$1.49M | 0.08% | 344 |
|
|
2014
Q4 | $635K | Buy |
+16,422
| New | +$597K | 0.04% | 771 |
|
|
2014
Q3 | – | Sell |
-16,256
| Closed | -$533K | – | 1819 |
|
|
2014
Q2 | $533K | Buy |
+16,256
| New | +$441K | 0.02% | 1106 |
|
|
2014
Q1 | – | Sell |
-11,523
| Closed | -$323K | – | 1672 |
|
|
2013
Q4 | $323K | Sell |
11,523
-12,946
| -53% | -$332K | 0.03% | 1149 |
|
|
2013
Q3 | $611K | Sell |
24,469
-25,401
| -51% | -$645K | 0.05% | 645 |
|
|
2013
Q2 | $1.23M | Buy |
+49,870
| New | +$1.61M | 0.15% | 162 |
|
Other funds holding IRM
GSA Capital Partners's IRM Position: Q2 2026 in Review
GSA Capital Partners opened a new position in Iron Mountain (IRM) in Q2 2026: 2,116 shares worth $267K. The stake represents 0.02% of the portfolio and ranks #1371 among its holdings. This is a return to the name: GSA Capital Partners previously reported a position in IRM as recently as Q4 2025.
GSA Capital Partners first reported a position in IRM in Q2 2013 and has held it in 19 quarters since. The position peaked at $2M in Q1 2015. 1,174 funds tracked by Wall St. Rank hold IRM as of Q2 2026.
- GSA Capital Partners held 2,116 shares of Iron Mountain worth $267K as of Q2 2026.
- Iron Mountain was a new GSA Capital Partners position in Q2 2026.
- Iron Mountain made up 0.02% of GSA Capital Partners's portfolio in Q2 2026, its #1371 holding.
- GSA Capital Partners first reported a position in Iron Mountain in Q2 2013 and has held it in 19 quarters since.
- GSA Capital Partners's Iron Mountain position peaked at $2M in Q1 2015.
- 1,174 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.
Based on GSA Capital Partners's 13F filing for Q2 2026, filed 6 Aug 2026.