Jane Street’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 | $6.73M | Sell |
53,300
-14,500
| -21% | -$1.78M | ﹤0.01% | 3312 |
|
|
2026
Q1 | $6.93M | Buy |
67,800
+37,800
| +126% | +$3.76M | ﹤0.01% | 3031 |
|
|
2025
Q4 | $2.49M | Sell |
30,000
-6,200
| -17% | -$580K | ﹤0.01% | 4404 |
|
|
2025
Q3 | $3.69M | Buy |
36,200
+12,900
| +55% | +$1.24M | ﹤0.01% | 3882 |
|
|
2025
Q2 | $2.39M | Sell |
23,300
-90,600
| -80% | -$8.54M | ﹤0.01% | 4137 |
|
|
2025
Q1 | $9.8M | Buy |
113,900
+100,800
| +769% | +$9.71M | ﹤0.01% | 2011 |
|
|
2024
Q4 | $1.38M | Sell |
13,100
-46,500
| -78% | -$5.46M | ﹤0.01% | 4811 |
|
|
2024
Q3 | $7.08M | Buy |
59,600
+53,600
| +893% | +$5.73M | ﹤0.01% | 2338 |
|
|
2024
Q2 | $538K | Buy |
6,000
+800
| +15% | +$64.7K | ﹤0.01% | 6899 |
|
|
2024
Q1 | $417K | Sell |
5,200
-10,400
| -67% | -$753K | ﹤0.01% | 7013 |
|
|
2023
Q4 | $1.09M | Sell |
15,600
-22,100
| -59% | -$1.39M | ﹤0.01% | 5403 |
|
|
2023
Q3 | $2.24M | Sell |
37,700
-54,000
| -59% | -$3.3M | ﹤0.01% | 3855 |
|
|
2023
Q2 | $5.21M | Buy |
91,700
+62,300
| +212% | +$3.41M | ﹤0.01% | 2675 |
|
|
2023
Q1 | $1.56M | Sell |
29,400
-20,300
| -41% | -$1.06M | ﹤0.01% | 4245 |
|
|
2022
Q4 | $2.48M | Sell |
49,700
-9,500
| -16% | -$480K | ﹤0.01% | 3516 |
|
|
2022
Q3 | $2.6M | Sell |
59,200
-24,800
| -30% | -$1.25M | ﹤0.01% | 3706 |
|
|
2022
Q2 | $4.09M | Buy |
84,000
+5,400
| +7% | +$284K | ﹤0.01% | 2962 |
|
|
2022
Q1 | $4.36M | Buy |
78,600
+21,600
| +38% | +$1.03M | ﹤0.01% | 3268 |
|
|
2021
Q4 | $2.98M | Sell |
57,000
-5,100
| -8% | -$241K | ﹤0.01% | 3704 |
|
|
2021
Q3 | $2.7M | Sell |
62,100
-17,800
| -22% | -$801K | ﹤0.01% | 3877 |
|
|
2021
Q2 | $3.38M | Sell |
79,900
-55,500
| -41% | -$2.33M | ﹤0.01% | 3359 |
|
|
2021
Q1 | $5.01M | Buy |
135,400
+71,500
| +112% | +$2.39M | ﹤0.01% | 2401 |
|
|
2020
Q4 | $1.88M | Sell |
63,900
-25,800
| -29% | -$716K | ﹤0.01% | 3590 |
|
|
2020
Q3 | $2.4M | Sell |
89,700
-27,900
| -24% | -$794K | ﹤0.01% | 2762 |
|
|
2020
Q2 | $3.07M | Buy |
117,600
+84,800
| +259% | +$2.14M | ﹤0.01% | 2473 |
|
|
2020
Q1 | $781K | Buy |
+32,800
| New | +$993K | ﹤0.01% | 3090 |
|
|
2018
Q3 | – | Sell |
-12,500
| Closed | -$438K | – | 5400 |
|
|
2018
Q2 | $438K | Buy |
+12,500
| New | +$422K | ﹤0.01% | 3727 |
|
|
2018
Q1 | – | Sell |
-28,600
| Closed | -$1.08M | – | 5089 |
|
|
2017
Q4 | $1.08M | Buy |
+28,600
| New | +$1.13M | ﹤0.01% | 2257 |
|
Other funds holding IRM
Jane Street's IRM Position: Q2 2026 in Review
Jane Street reduced its Iron Mountain (IRM) stake by 44% in Q2 2026, selling an estimated $38.1M and leaving 396,541 shares worth $50.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1430.
Jane Street first reported a position in IRM in Q2 2014 and has held it in 35 quarters since. The position peaked at $72.3M in Q1 2026. 1,170 funds tracked by Wall St. Rank hold IRM as of Q2 2026.
- Jane Street held 396,541 shares of Iron Mountain worth $50.1M as of Q2 2026.
- Jane Street sold 310,900 Iron Mountain shares in Q2 2026, an estimated $38.1M.
- Iron Mountain made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1430 holding.
- Jane Street first reported a position in Iron Mountain in Q2 2014 and has held it in 35 quarters since.
- Jane Street's Iron Mountain position peaked at $72.3M in Q1 2026.
- 1,170 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.