CSTM — CONSTELLIUM SE

Ownership history in OMERS ADMINISTRATION Corp  ·  2 quarters on record

This page tracks every 13F SEC filing in which OMERS ADMINISTRATION Corp reported a position in CONSTELLIUM SE (CSTM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 23,600 +4,500 +23.6% 0.00% $351K $14.88
2024 Q2 INITIATED 19,100 — — 0.00% $360K —
% of Fund (quarterly)    CSTM price (monthly, adj. close)

Other funds also holding CSTM

As of 2025 Q4 — sorted by position size

Kailix Advisors LLC 20.55% Soapstone Management L.P. 3Y 7Y 18.75% BEACONLIGHT CAPITAL, LLC 3Y 7Y 14.75% BRIGHTLINE CAPITAL MANAGEMENT, LLC 3Y 7Y 14.04% Nut Tree Capital Management, LP 3Y 7Y 11.46% Bpifrance SA 3Y 10.03% Mountaineer Partners Management, LLC 3Y 7Y 7.19% Encompass Capital Advisors LLC 3Y 7Y 3.58% BEACON INVESTMENT ADVISORS LLC 3Y 2.48% Rockingstone Advisors LLC 1.88%
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