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MARTINGALE ASSET MANAGEMENT L P

Position in DCO — Ducommun Inc /De/

CIK 936944 BOSTON, MA

Position in DCO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$5,221,810
+$939,610 QoQ
Shares Held
28,194
-19.7% QoQ
Ownership
0.187%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#70
of 269 holders
Holding Since
Mar 2020
16 quarters on record
Voting authority Sole 62% Shared 0% None 38%

Common Shares in DCO Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

MARTINGALE ASSET MANAGEMENT L P holds $232,619,946 across 25 Aerospace & Defense names. DCO ranks #12 (2.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DCO

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,221,810 28,194
2026-03-31 $4,282,200 35,100
2025-12-31 $3,116,173 32,757
2025-09-30 $3,142,008 32,685
2025-06-30 $2,997,402 36,275
2025-03-31 $2,047,645 35,286
2024-12-31 $2,227,144 34,985
2024-09-30 $1,466,560 22,278
2024-06-30 $1,047,634 18,044
2024-03-31 $812,027 15,829
2023-12-31 $896,941 17,229
2023-09-30 $880,337 20,233
2023-06-30 $1,361,039 31,238
2023-03-31 $808,996 14,787
2020-06-30 $645,095 18,500
2020-03-31 $1,712,686 68,921