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Of the 15 tracked institutions holding CSTM, 8 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +4.3pt. It's a gauge of who owns the name, not just how many.
Among the 15 tracked institutional investors we monitor, CSTM (CONSTELLIUM SE) is held with a combined value of $942.96M across 31,268,561 shares. The largest holder is BlackRock, Inc. with a position worth $408.01M. 2 funds opened new positions in the most recent quarter. 7 funds increased their holdings. 6 funds reduced their position.
Total Institutional Value
$942.96M
Total Shares Held
31,268,561
Institutional Holders
15
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $408.01M | 0.01% | -1.2% |
| 2 | STATE STREET CORP | $94.17M | 0.00% | +6.9% |
| 3 | Kinetic Partners Management, LP | $81.03M | 1.93% | +93.7% |
| 4 | AQR CAPITAL MANAGEMENT LLC | $76.58M | 0.03% | +15.8% |
| 5 | VANGUARD GROUP INC | $76.44M | 0.00% | +22.9% |
| 6 | FMR LLC | $69.95M | 0.00% | -68.5% |
| 7 | MILLENNIUM MANAGEMENT LLC | $62.35M | 0.04% | -43.6% |
| 8 | Point72 Asset Management, L.P. | $26.19M | 0.04% | -18.3% |
| 9 | Fisher Asset Management, LLC | $17.61M | 0.01% | +2.4% |
| 10 | CITADEL ADVISORS LLC | $15.12M | 0.01% | -38.4% |
SEC Schedule 13D (activist) and 13G (passive) filings for CSTM. Filed when an investor acquires 5%+ ownership.
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CSTM with a position worth $408.01M, representing 0.01% of their portfolio. In total, 15 institutional investors hold CSTM with a combined value of $942.96M.
In the most recent quarter, 2 funds opened a new position in CSTM. Additionally, 7 increased their holdings and 6 reduced their positions.
Institutional investors hold $942.96M worth of CSTM stock across 15 positions. The largest institutional holder is BlackRock, Inc. with $408.01M 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
$25.47
2026-10-16
YTD
+28.8%
51% of 52-week range
