Constellium
CSTM
224 hedge funds and large institutions have $1.76B invested in Constellium in 2025 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 90 increasing their positions, 71 reducing their positions, and 40 closing their positions.
248% more call options, than puts
Call options by funds: $18.8M | Put options by funds: $5.41M
50% more funds holding in top 10
Funds holding in top 10: 6 → 9 (+3)
32% more capital invested
Capital invested by funds: $1.33B → $1.76B (+$430M)
27% more repeat investments, than reductions
Existing positions increased: 90 | Existing positions reduced: 71
18% more first-time investments, than exits
New positions opened: 47 | Existing positions closed: 40
2% more funds holding
Funds holding: 220 → 224 (+4)
0.75% more ownership
Funds ownership: 91.93% → 92.69% (+0.75%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$36.1M |
| 2 |
ECA
Encompass Capital Advisors
New York
|
+$22.5M |
| 3 |
CS
Cannell & Spears
New York
|
+$15.2M |
| 4 |
JP Morgan Chase
New York
|
+$14.2M |
| 5 |
CCPM
Cooper Creek Partners Management
New York
|
+$13.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WHG
Westwood Holdings Group
Dallas,
Texas
|
-$65.8M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$54.9M |
| 3 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
-$10.7M |
| 4 |
Man Group
London,
United Kingdom
|
-$9.02M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$8.15M |
CSTM Hedge Fund Activity: Q2 2025 in Review
224 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Constellium (CSTM) for Q2 2025, worth a combined $1.76B — up 32% from $1.33B a quarter earlier.
Buyers outnumbered sellers: 47 funds opened new CSTM positions and 40 closed out — a net gain of 7 holders — while 90 added to existing stakes and 71 trimmed.
The largest buyer was BlackRock, adding an estimated $36.1M. The largest seller was Westwood Holdings Group, exiting entirely with an estimated $65.8M sold.
- 224 institutional investors held Constellium (CSTM) as of Q2 2025, up from 220 in Q1 2025.
- Funds reported $1.76B of Constellium stock for Q2 2025, up 32% quarter-over-quarter.
- 47 funds opened new Constellium positions in Q2 2025 and 40 closed out, a net change of +7 holders.
- The largest Constellium buyer in Q2 2025 was BlackRock, an estimated $36.1M added.
- The largest Constellium seller in Q2 2025 was Westwood Holdings Group, an estimated $65.8M sold.
Based on aggregated 13F filings for Q2 2025.