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 | $4.89M | Sell |
153,549
-678,942
| -82% | -$21.9M | ﹤0.01% | 3752 |
|
|
2026
Q1 | $20.5M | Buy |
832,491
+518,759
| +165% | +$12.3M | ﹤0.01% | 1766 |
|
|
2025
Q4 | $5.91M | Buy |
313,732
+61,974
| +25% | +$1.03M | ﹤0.01% | 2979 |
|
|
2025
Q3 | $3.75M | Buy |
251,758
+6,933
| +3% | +$99.2K | ﹤0.01% | 3860 |
|
|
2025
Q2 | $3.26M | Sell |
244,825
-98,861
| -29% | -$1.11M | ﹤0.01% | 3638 |
|
|
2025
Q1 | $3.47M | Buy |
343,686
+168,291
| +96% | +$1.79M | ﹤0.01% | 3495 |
|
|
2024
Q4 | $1.8M | Buy |
175,395
+7,583
| +5% | +$93.3K | ﹤0.01% | 4303 |
|
|
2024
Q3 | $2.73M | Sell |
167,812
-108,060
| -39% | -$1.83M | ﹤0.01% | 3896 |
|
|
2024
Q2 | $5.2M | Buy |
275,872
+155,555
| +129% | +$3.23M | ﹤0.01% | 2923 |
|
|
2024
Q1 | $2.66M | Sell |
120,317
-30,093
| -20% | -$583K | ﹤0.01% | 3610 |
|
|
2023
Q4 | $3M | Buy |
150,410
+106,611
| +243% | +$1.87M | ﹤0.01% | 3636 |
|
|
2023
Q3 | $797K | Sell |
43,799
-29,755
| -40% | -$525K | ﹤0.01% | 5529 |
|
|
2023
Q2 | $1.27M | Buy |
73,554
+50,531
| +219% | +$775K | ﹤0.01% | 4843 |
|
|
2023
Q1 | $352K | Buy |
23,023
+11,473
| +99% | +$167K | ﹤0.01% | 6925 |
|
|
2022
Q4 | $137K | Buy |
+11,550
| New | +$135K | ﹤0.01% | 7923 |
|
|
2022
Q3 | – | Sell |
-10,606
| Closed | -$141K | – | 9796 |
|
|
2022
Q2 | $140K | Sell |
10,606
-53,490
| -83% | -$855K | ﹤0.01% | 8450 |
|
|
2022
Q1 | $1.15M | Buy |
64,096
+48,827
| +320% | +$890K | ﹤0.01% | 5835 |
|
|
2021
Q4 | $273K | Sell |
15,269
-13,475
| -47% | -$247K | ﹤0.01% | 8352 |
|
|
2021
Q3 | $540K | Sell |
28,744
-60,152
| -68% | -$1.16M | ﹤0.01% | 7138 |
|
|
2021
Q2 | $1.69M | Sell |
88,896
-20,608
| -19% | -$355K | ﹤0.01% | 4686 |
|
|
2021
Q1 | $1.61M | Buy |
109,504
+36,335
| +50% | +$522K | ﹤0.01% | 4442 |
|
|
2020
Q4 | $1.02M | Buy |
73,169
+42,627
| +140% | +$482K | ﹤0.01% | 4617 |
|
|
2020
Q3 | $239K | Buy |
+30,542
| New | +$252K | ﹤0.01% | 6195 |
|
|
2020
Q2 | – | Sell |
-20,409
| Closed | -$148K | – | 7103 |
|
|
2020
Q1 | $106K | Buy |
+20,409
| New | +$219K | ﹤0.01% | 4919 |
|
|
2019
Q3 | – | Sell |
-157,228
| Closed | -$1.85M | – | 5152 |
|
|
2019
Q2 | $1.58M | Buy |
+157,228
| New | +$1.46M | ﹤0.01% | 2138 |
|
|
2018
Q3 | – | Sell |
-98,868
| Closed | -$1.16M | – | 5159 |
|
|
2018
Q2 | $1.02M | Buy |
98,868
+65,159
| +193% | +$757K | ﹤0.01% | 2723 |
|
|
2018
Q1 | $366K | Sell |
33,709
-35,732
| -51% | -$436K | ﹤0.01% | 3811 |
|
|
2017
Q4 | $774K | Buy |
69,441
+51,220
| +281% | +$545K | ﹤0.01% | 2658 |
|
|
2017
Q3 | $187K | Buy |
+18,221
| New | +$173K | ﹤0.01% | 4154 |
|
|
2016
Q4 | – | Sell |
-10,650
| Closed | -$77K | – | 4081 |
|
|
2016
Q3 | $77K | Buy |
+10,650
| New | +$63.8K | ﹤0.01% | 3871 |
|
|
2016
Q2 | – | Sell |
-10,797
| Closed | -$56K | – | 4128 |
|
|
2016
Q1 | $56K | Buy |
+10,797
| New | +$62.1K | ﹤0.01% | 3942 |
|
|
2015
Q3 | – | Sell |
-39,390
| Closed | -$466K | – | 3644 |
|
|
2015
Q2 | $466K | Buy |
39,390
+16,394
| +71% | +$258K | ﹤0.01% | 2359 |
|
|
2015
Q1 | $467K | Buy |
+22,996
| New | +$432K | ﹤0.01% | 2116 |
|
|
2014
Q2 | – | Sell |
-6,921
| Closed | -$203K | – | 2620 |
|
|
2014
Q1 | $203K | Buy |
+6,921
| New | +$181K | ﹤0.01% | 2353 |
|
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.