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GW&K Investment Management, LLC

Position in CSTM — Constellium SE

CIK 1082917 BOSTON, MA

Position in CSTM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$8,095,808
+$1,764,295 QoQ
Shares Held
254,026
-1.4% QoQ
Ownership
0.187%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#75
of 386 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CSTM Over Time

Shares Held

Position Value (USD)

Position in Aluminum

Basic Materials · as of Jun 30, 2026

GW&K Investment Management, LLC holds $8,105,714 across 2 Aluminum names. CSTM ranks #1 (99.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CSTM
Constellium SE
This page
254,026 $8,095,808

All Filings in CSTM

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,095,808 254,026
2026-03-31 $6,331,513 257,588
2025-12-31 $5,035,419 267,131
2025-09-30 $2,381,246 160,030