WELLINGTON MANAGEMENT GROUP LLP

Position in DCO — Ducommun Inc /De/

CIK 902219 Boston, MA

Back to DCO Full portfolio

Position in DCO

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$9,008,427

+$489,533 QoQ

Shares Held

48,639

-30.3% QoQ

Ownership

0.322%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#56

of 269 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0% Shared 78% None 22%

Common Shares in DCO Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $13,824,282,164 across 39 Aerospace & Defense names. DCO ranks #31 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GE	General Electric Co	6,797,935	$2,540,592,244
2	NOC	Northrop Grumman Corp /De/	4,932,780	$2,512,314,178
3	HONA	Honeywell Aerospace Inc.	7,716,131	$1,705,882,239
4	LHX	L3harris Technologies, Inc. /De/	4,707,086	$1,367,832,116
5	AXON	Axon Enterprise, Inc.	2,103,142	$1,179,042,432
6	SPCX	Space Exploration Technologies Corp	6,154,854	$1,051,618,350
7	FTAI	FTAI Aviation Ltd.	2,326,754	$629,456,756
8	BA	Boeing Co	2,594,153	$561,556,296

All Filings in DCO

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$9,008,427	48,639	-30.3%	Shares	Defined	2026-08-14
2026-03-31	$8,518,894	69,827	-32.8%	Shares	Defined	2026-05-15
2025-12-31	$9,887,241	103,934	+1.8%	Shares	Defined	2026-02-17
2025-09-30	$9,818,621	102,139	-48.6%	Shares	Defined	2025-11-14
2025-06-30	$16,434,527	198,893	+5.2%	Shares	Defined	2025-08-14
2025-03-31	$10,968,133	189,008	-2.4%	Shares	Defined	2025-05-13
2024-12-31	$12,333,550	193,741	+41.9%	Shares	Defined	2025-02-12
2024-09-30	$8,990,336	136,569	-21.3%	Shares	Defined	2024-11-14
2024-03-31	$8,905,063	173,588	-16.4%	Shares	Defined	2024-05-15
2023-12-31	$10,812,236	207,688	-35.0%	Shares	Defined	2024-02-12
2023-09-30	$13,899,573	319,457	-14.2%	Shares	Defined	2023-11-14
2023-06-30	$16,219,236	372,257	-25.4%	Shares	Defined	2023-08-14
2023-03-31	$27,313,856	499,248	+4.1%	Shares	Defined	2023-05-12
2022-12-31	$23,968,208	479,748	-1.4%	Shares	Defined	2023-02-13
2022-09-30	$19,292,487	486,447	+3.9%	Shares	Defined	2022-11-14
2022-06-30	$20,143,106	468,009	+1.0%	Shares	Defined	2022-08-15
2022-03-31	$24,287,950	463,599	0.0%	Shares	Defined	2022-05-16
2021-12-31	$21,682,524	463,599	-1.8%	Shares	Defined	2022-02-11
2021-09-30	$23,771,695	472,129	+32.7%	Shares	Defined	2021-11-15
2021-06-30	$19,411,574	355,784	+0.6%	Shares	Defined	2021-08-16
2021-03-31	$21,213,900	353,565	-5.2%	Shares	Defined	2021-05-17
2020-12-31	$20,022,796	372,864	+9.7%	Shares	Defined	2021-02-12
2020-09-30	$11,187,630	339,843	+3.2%	Shares	Defined	2020-11-16
2020-06-30	$11,484,189	329,343	+35.6%	Shares	Defined	2020-08-14
2020-03-31	$6,034,647	242,843	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.