Jane Street’s Constellium CSTM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $6.74M | Buy |
211,600
+118,400
| +127% | +$3.82M | ﹤0.01% | 3308 |
|
|
2026
Q1 | $2.29M | Buy |
93,200
+75,300
| +421% | +$1.79M | ﹤0.01% | 4823 |
|
|
2025
Q4 | $337K | Sell |
17,900
-110,900
| -86% | -$1.84M | ﹤0.01% | 8563 |
|
|
2025
Q3 | $1.92M | Sell |
128,800
-16,200
| -11% | -$232K | ﹤0.01% | 5020 |
|
|
2025
Q2 | $1.93M | Buy |
145,000
+25,900
| +22% | +$291K | ﹤0.01% | 4476 |
|
|
2025
Q1 | $1.2M | Buy |
119,100
+15,500
| +15% | +$165K | ﹤0.01% | 5233 |
|
|
2024
Q4 | $1.06M | Buy |
103,600
+61,200
| +144% | +$753K | ﹤0.01% | 5260 |
|
|
2024
Q3 | $689K | Buy |
+42,400
| New | +$719K | ﹤0.01% | 6617 |
|
|
2024
Q1 | – | Sell |
-44,300
| Closed | -$884K | – | 9313 |
|
|
2023
Q4 | $884K | Sell |
44,300
-2,200
| -5% | -$38.5K | ﹤0.01% | 5770 |
|
|
2023
Q3 | $846K | Sell |
46,500
-75,700
| -62% | -$1.33M | ﹤0.01% | 5445 |
|
|
2023
Q2 | $2.1M | Buy |
122,200
+58,100
| +91% | +$891K | ﹤0.01% | 4092 |
|
|
2023
Q1 | $979K | Sell |
64,100
-57,800
| -47% | -$841K | ﹤0.01% | 5029 |
|
|
2022
Q4 | $1.44M | Sell |
121,900
-300
| -0.2% | -$3.51K | ﹤0.01% | 4391 |
|
|
2022
Q3 | $1.24M | Sell |
122,200
-36,400
| -23% | -$482K | ﹤0.01% | 5030 |
|
|
2022
Q2 | $2.1M | Buy |
158,600
+11,400
| +8% | +$182K | ﹤0.01% | 4079 |
|
|
2022
Q1 | $2.65M | Sell |
147,200
-74,300
| -34% | -$1.36M | ﹤0.01% | 4208 |
|
|
2021
Q4 | $3.97M | Buy |
221,500
+124,700
| +129% | +$2.29M | ﹤0.01% | 3210 |
|
|
2021
Q3 | $1.82M | Sell |
96,800
-168,700
| -64% | -$3.25M | ﹤0.01% | 4667 |
|
|
2021
Q2 | $5.03M | Sell |
265,500
-256,500
| -49% | -$4.42M | ﹤0.01% | 2621 |
|
|
2021
Q1 | $7.67M | Buy |
522,000
+109,700
| +27% | +$1.58M | ﹤0.01% | 1844 |
|
|
2020
Q4 | $5.77M | Buy |
412,300
+352,700
| +592% | +$3.98M | ﹤0.01% | 1961 |
|
|
2020
Q3 | $468K | Sell |
59,600
-70,100
| -54% | -$579K | ﹤0.01% | 5249 |
|
|
2020
Q2 | $996K | Buy |
+129,700
| New | +$943K | ﹤0.01% | 4061 |
|
|
2019
Q4 | – | Sell |
-39,300
| Closed | -$500K | – | 5132 |
|
|
2019
Q3 | $500K | Buy |
+39,300
| New | +$463K | ﹤0.01% | 3544 |
|
|
2018
Q4 | – | Sell |
-125,000
| Closed | -$1.54M | – | 5039 |
|
|
2018
Q3 | $1.54M | Buy |
+125,000
| New | +$1.46M | ﹤0.01% | 2193 |
|
|
2018
Q1 | – | Sell |
-206,400
| Closed | -$2.3M | – | 4872 |
|
|
2017
Q4 | $2.3M | Buy |
+206,400
| New | +$2.2M | 0.01% | 1465 |
|
|
2015
Q3 | – | Sell |
-11,300
| Closed | -$134K | – | 3643 |
|
|
2015
Q2 | $134K | Buy |
+11,300
| New | +$178K | ﹤0.01% | 3367 |
|
Other funds holding CSTM
B
KPM
Jane Street's CSTM Position: Q2 2026 in Review
Jane Street reduced its Constellium (CSTM) stake by 82% in Q2 2026, selling an estimated $21.9M and leaving 153,549 shares worth $4.89M. The position accounts for ﹤0.01% of the portfolio, ranked #3752.
Jane Street first reported a position in CSTM in Q1 2014 and has held it in 34 quarters since. The position peaked at $20.5M in Q1 2026. 389 funds tracked by Wall St. Rank hold CSTM as of Q2 2026.
- Jane Street held 153,549 shares of Constellium worth $4.89M as of Q2 2026.
- Jane Street sold 678,942 Constellium shares in Q2 2026, an estimated $21.9M.
- Constellium made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #3752 holding.
- Jane Street first reported a position in Constellium in Q1 2014 and has held it in 34 quarters since.
- Jane Street's Constellium position peaked at $20.5M in Q1 2026.
- 389 funds tracked by Wall St. Rank held Constellium as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.