SEI Investments’s Ducommun DCO Stock Holding History

SEI Investments’s Portfolio DCO Stock Details DCO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$4.11M	Sell	22,177 -26,663	-55%	-$3.96M	﹤0.01%	1594
2026 Q1	$5.96M	Buy	48,840 +26,923	+123%	+$3.22M	0.01%	1433
2025 Q4	$2.08M	Buy	21,917 +16,284	+289%	+$1.52M	﹤0.01%	1835
2025 Q3	$541K	Sell	5,633 -443	-7%	-$40K	﹤0.01%	2199
2025 Q2	$502K	Buy	+6,076	New	+$404K	﹤0.01%	2181
2024 Q1	–	Sell	-4,661	Closed	-$243K	–	2644
2023 Q4	$243K	Sell	4,661 -1,752	-27%	-$85.6K	﹤0.01%	2391
2023 Q3	$279K	Sell	6,413 -116	-2%	-$5.26K	﹤0.01%	2326
2023 Q2	$284K	Buy	6,529 +608	+10%	+$28.7K	﹤0.01%	2354
2023 Q1	$324K	Buy	+5,921	New	+$323K	﹤0.01%	2310
2022 Q4	–	Sell	-5,980	Closed	-$237K	–	2565
2022 Q3	$237K	Sell	5,980 -399	-6%	-$17.7K	﹤0.01%	2394
2022 Q2	$275K	Buy	+6,379	New	+$306K	﹤0.01%	2362
2015 Q4	–	Sell	-48	Closed	-$1K	–	2549
2015 Q3	$1K	Buy	48 +15	+45%	+$350	﹤0.01%	2408
2015 Q2	$1K	Hold	33	–	–	﹤0.01%	2160
2015 Q1	$1K	Buy	+33	New	+$854	﹤0.01%	2189

Other funds holding DCO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

GKIM

GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

SEI Investments's DCO Position: Q2 2026 in Review

SEI Investments reduced its Ducommun (DCO) stake by 55% in Q2 2026, selling an estimated $3.96M and leaving 22,177 shares worth $4.11M. The position accounts for ﹤0.01% of the portfolio, ranked #1594.

SEI Investments first reported a position in DCO in Q1 2015 and has held it in 14 quarters since. The position peaked at $5.96M in Q1 2026. 270 funds tracked by Wall St. Rank hold DCO as of Q2 2026.

SEI Investments held 22,177 shares of Ducommun worth $4.11M as of Q2 2026.
SEI Investments sold 26,663 Ducommun shares in Q2 2026, an estimated $3.96M.
Ducommun made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #1594 holding.
SEI Investments first reported a position in Ducommun in Q1 2015 and has held it in 14 quarters since.
SEI Investments's Ducommun position peaked at $5.96M in Q1 2026.
270 funds tracked by Wall St. Rank held Ducommun as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.