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Of the 13 tracked institutions holding CSTM, 7 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +5.1pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, CSTM (CONSTELLIUM SE) is held with a combined value of $874.66M across 36,529,631 shares. The largest holder is BlackRock, Inc. with a position worth $318.66M. 3 funds opened new positions in the most recent quarter. 7 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$874.66M
Total Shares Held
36,529,631
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $318.66M | 0.01% | -5.6% |
| 2 | FMR LLC | $171.12M | 0.01% | -34.1% |
| 3 | MILLENNIUM MANAGEMENT LLC | $85.29M | 0.04% | -44.7% |
| 4 | VANGUARD GROUP INC | $76.44M | 0.00% | +22.9% |
| 5 | STATE STREET CORP | $67.93M | 0.00% | +3.9% |
| 6 | AQR CAPITAL MANAGEMENT LLC | $51.00M | 0.02% | +17.5% |
| 7 | Kinetic Partners Management, LP | $32.26M | 1.81% | New |
| 8 | Point72 Asset Management, L.P. | $24.71M | 0.04% | +216.0% |
| 9 | CITADEL ADVISORS LLC | $18.94M | 0.01% | +504.4% |
| 10 | Fisher Asset Management, LLC | $13.26M | 0.00% | +5202.8% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CSTM with a position worth $318.66M, representing 0.01% of their portfolio. In total, 13 institutional investors hold CSTM with a combined value of $874.66M.
In the most recent quarter, 3 funds opened a new position in CSTM. Additionally, 7 increased their holdings and 3 reduced their positions.
Institutional investors hold $874.66M worth of CSTM stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $318.66M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CSTM, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CSTM positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$29.05
2026-07-24
YTD
+46.9%
69% of 52-week range
