Constellium
CSTM
220 hedge funds and large institutions have $1.33B invested in Constellium in 2025 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 99 increasing their positions, 64 reducing their positions, and 31 closing their positions.
55% more repeat investments, than reductions
Existing positions increased: 99 | Existing positions reduced: 64
52% more call options, than puts
Call options by funds: $10.3M | Put options by funds: $6.8M
10% more first-time investments, than exits
New positions opened: 34 | Existing positions closed: 31
0% more funds holding
Funds holding: 219 → 220 (+1)
4% less capital invested
Capital invested by funds: $1.39B → $1.33B (-$55.7M)
1.72% less ownership
Funds ownership: 93.66% → 91.93% (-1.7%)
14% less funds holding in top 10
Funds holding in top 10: 7 → 6 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$17.4M |
| 2 |
ECA
Encompass Capital Advisors
New York
|
+$16.1M |
| 3 |
WP
Woodline Partners
San Francisco,
California
|
+$8.47M |
| 4 |
WHG
Westwood Holdings Group
Dallas,
Texas
|
+$7.53M |
| 5 |
Man Group
London,
United Kingdom
|
+$6.23M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Janus Henderson Group
London,
|
-$44.6M |
| 2 |
Victory Capital Management
San Antonio,
Texas
|
-$9.73M |
| 3 |
Morgan Stanley
New York
|
-$9.59M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$6.93M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$6.69M |
CSTM Hedge Fund Activity: Q1 2025 in Review
220 of the 7,471 institutional investors tracked by Wall St. Rank reported a position in Constellium (CSTM) for Q1 2025, worth a combined $1.33B — down 4% from $1.39B a quarter earlier.
Buyers outnumbered sellers: 34 funds opened new CSTM positions and 31 closed out — a net gain of 3 holders — while 99 added to existing stakes and 64 trimmed.
The largest buyer was Millennium Management, adding an estimated $17.4M. The largest seller was Janus Henderson Group, cutting an estimated $44.6M.
- 220 institutional investors held Constellium (CSTM) as of Q1 2025, up from 219 in Q4 2024.
- Funds reported $1.33B of Constellium stock for Q1 2025, down 4% quarter-over-quarter.
- 34 funds opened new Constellium positions in Q1 2025 and 31 closed out, a net change of +3 holders.
- The largest Constellium buyer in Q1 2025 was Millennium Management, an estimated $17.4M added.
- The largest Constellium seller in Q1 2025 was Janus Henderson Group, an estimated $44.6M sold.
Based on aggregated 13F filings for Q1 2025.