Public ownership evidence

Constellium SE Class A Ordinary shares (CSTM) Ownership Disclosures

Read CSTM insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-08-04T03:59:59.999Z

Recent Form 4 activity

2026-08-042026-08-03Deslarzes Jean-ChristopheP1,490Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

Advisors Asset Management, Inc.2021-12-312026-08-284,599$82,368None
Advisors Asset Management, Inc.2020-06-302026-08-2822,402$172,047None
Advisors Asset Management, Inc.2021-09-302026-08-288,087$152,000None
Corient Private Wealth LP2026-06-302026-08-28118,600$3,779,787None
Advisors Asset Management, Inc.2024-03-312026-08-277,065$156,207None
Advisors Asset Management, Inc.2025-03-312026-08-2727,026$272,692None
Advisors Asset Management, Inc.2020-12-312026-08-2722,165$310,000None
Advisors Asset Management, Inc.2021-03-312026-08-2714,375$211,313None
Advisors Asset Management, Inc.2021-06-302026-08-2711,205$212,000None
Advisors Asset Management, Inc.2020-09-302026-08-2722,273$174,843None
Advisors Asset Management, Inc.2025-09-302026-08-2726,784$398,546None
Advisors Asset Management, Inc.2023-12-312026-08-275,440$108,582None
Advisors Asset Management, Inc.2019-12-312026-08-2616,647$223,070None
VIRGINIA RETIREMENT SYSTEMS ET Al2026-06-302026-08-2647,300$1,507,451None
Advisors Asset Management, Inc.2025-06-302026-08-2526,835$356,906None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25142,434$4,539,372None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-254,539,372$142,434,000None
Advisors Asset Management, Inc.2024-09-302026-08-2225,001$406,516None
Advisors Asset Management, Inc.2024-06-302026-08-2223,922$450,930None
Advisors Asset Management, Inc.2024-12-312026-08-2227,364$281,028None
Advisors Asset Management, Inc.2025-12-312026-08-2215,661$295,210None
Harvest Fund Management Co., Ltd2026-06-302026-08-2112,221$389,000None
Kingsview Wealth Management, LLC2026-06-302026-08-2026,098$831,743None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-2062,504$1,992,002None
Orion Capital Management LLC2026-06-302026-08-191,000$31,870None
Corient Private Wealth LP2026-06-302026-08-18100,886$3,215,210None
Transamerica Financial Advisors, LLC2026-06-302026-08-1826$828None
Proficio Capital Partners LLC2026-06-302026-08-187,816$249,096None
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2026-06-302026-08-1852,125$1,661,224None
DARK FOREST CAPITAL MANAGEMENT LP2026-06-302026-08-156,634$211,426None
SummitTX Capital, L.P.2026-06-302026-08-1595,846$3,054,612None
Graham Capital Management, L.P.2026-06-302026-08-1533,310$1,061,590None
SEI INVESTMENTS CO2026-06-302026-08-15225,379$7,182,829None
SEI INVESTMENTS CO2026-06-302026-08-1510,002$318,620None
SEI INVESTMENTS CO2026-06-302026-08-1553,660$1,710,140None
Federation des caisses Desjardins du Quebec2026-06-302026-08-15217$6,914None
JPL Wealth Management, LLC2026-06-302026-08-15148$4,717None
Marex Group Ltd2026-06-302026-08-1510,375$330,651None
Susquehanna Portfolio Strategies, LLC2026-06-302026-08-1512,621$402,231None
Basecamp Wealth Advisors LLC2026-06-302026-08-1547$1,498None
Polymer Capital Management (US) LLC2026-06-302026-08-1545,309$1,443,998None
Quarry LP2026-06-302026-08-15349$11,122None
Integrated Quantitative Investments LLC2026-06-302026-08-1536,605$1,166,601None
Ameritas Advisory Services, LLC2026-06-302026-08-1561$1,944None
T. Rowe Price Investment Management, Inc.2026-06-302026-08-152,980,566$94,991,000None
Bayberry Capital Partners LP2026-06-302026-08-15655,000$20,874,850None
Caerus Investment Advisors, LLC2026-06-302026-08-157,040$224,365None
Concentric Capital Strategies, LP2026-06-302026-08-1519,341$616,398None
XTX Topco Ltd2026-06-302026-08-1545,827$1,460,506None
Aquatic Capital Management LLC2026-06-302026-08-1588,996$2,836,303None

90-day public filing window, up to 50 source positions.

Recent Congressional disclosures

No records are available for this view.

Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.