Dimensional Fund Advisors Lp

13F Holdings History for DUCOMMUN INC /DE/ - Common Stock (DCO)

Symbol: DCO on NYSE
Investment type: Equity / Common Stock
Latest Disclosed Ownership: 859K shares
Security Ownership: 5.8%

Shares, Excluding Options vs Price

Value, Excluding Options

Dimensional Fund Advisors LP ownership in DUCOMMUN INC /DE/ Common Stock (DCO)

2025-10-09 - Dimensional Fund Advisors LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 859K shares of DUCOMMUN INC /DE/ Common Stock (DCO). This represents 5.8% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Dimensional Fund Advisors LP	5.8%		$82.6M	859K			$96.13	13G/A	9/30/2025	9 Oct 2025 13:48:12

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0.02%	0%	$82.6M	859K	-107,792	-11.2%	$96.13	Q3 2025
6/30/2025	0.02%	0%	$79.9M	967K	-23,193	-2.34%	$82.63	Q2 2025
3/31/2025	0.01%	0%	$57.4M	990K	-33,244		$58.03	Q1 2025
12/31/2024	0.02%	0%	$65.1M	1.02M	-26,789	-2.55%	$63.66	Q4 2024
9/30/2024	0.02%	0%	$69.1M	1.05M	-4,997	-0.47%	$65.83	Q3 2024
6/30/2024	0.02%	0%	$61.2M	1.05M	-3,271	-0.31%	$58.06	Q2 2024
3/31/2024	0.01%	+0%	$54.3M	1.06M	+41,632	+4.1%	$51.30	Q1 2024
12/31/2023	0.02%	+0%	$52.9M	1.02M	+17,897	+1.79%	$52.06	Q4 2023
9/30/2023	0.01%	+0%	$43.4M	999K	+28,662	+2.96%	$43.51	Q3 2023
6/30/2023	0.01%	+0%	$42.3M	970K	+4,240	+0.44%	$43.57	Q2 2023
3/31/2023	0.02%	+0%	$52.8M	966K	+30,059	+3.21%	$54.71	Q1 2023
12/31/2022	0.01%	+0%	$46.7M	936K	+20,535	+2.24%	$49.96	Q4 2022
9/30/2022	0.01%	+0%	$36.3M	915K	+12,952	+1.44%	$39.66	Q3 2022
6/30/2022	0.01%	+0%	$38.8M	902K	+11,954	+1.34%	$43.04	Q2 2022
3/31/2022	0.01%	0%	$46.6M	890K	-7,474	-0.83%	$52.39	Q1 2022
12/31/2021	0.01%	0%	$42M	898K	-15,477	-1.7%	$46.77	Q4 2021
9/30/2021	0.01%	0%	$46M	913K	-7,486	-0.81%	$50.35	Q3 2021
6/30/2021	0.02%	0%	$50.2M	921K	-5,119	-0.55%	$54.56	Q2 2021
3/31/2021	0.02%	0%	$55.5M	926K	-22,206	-2.34%	$60.00	Q1 2021
12/31/2020	0.02%	0%	$50.9M	948K	-23,185	-2.39%	$53.70	Q4 2020
9/30/2020	0.01%	0%	$32M	971K	-8,842	-0.9%	$32.92	Q3 2020
6/30/2020	0.02%	+0%	$34.2M	980K	+7,587	+0.78%	$34.87	Q2 2020
3/31/2020	0.01%	+0%	$24.2M	972K	+8,753	+0.91%	$24.85	Q1 2020
12/31/2019	0.02%	+0%	$48.7M	964K	+6,068	+0.63%	$50.53	Q4 2019
9/30/2019	0.02%	0%	$40.6M	958K	-1,971	-0.21%	$42.40	Q3 2019
6/30/2019	0.02%	+0%	$43.2M	959K	+4,802	+0.5%	$45.07	Q2 2019
3/31/2019	0.02%	0%	$41.5M	955K	-2,071	-0.22%	$43.52	Q1 2019
12/31/2018	0.02%	0%	$34.7M	957K	-1,183	-0.12%	$36.32	Q4 2018
9/30/2018	0.01%	+0%	$39.1M	958K	+5,805	+0.61%	$40.84	Q3 2018
6/30/2018	0.01%	0%	$31.5M	952K	-2,237	-0.23%	$33.09	Q2 2018
3/31/2018	0.01%	0%	$29M	954K	-1,801	-0.19%	$30.38	Q1 2018
12/31/2017	0.01%	+0%	$27.2M	956K	+5,326	+0.56%	$28.45	Q4 2017
9/30/2017	0.01%	+0%	$30.5M	951K	+6,052	+0.64%	$32.05	Q3 2017
6/30/2017	0.01%	+0%	$29.8M	945K	+1,561	+0.17%	$31.58	Q2 2017
3/31/2017	0.01%	+0%	$27.2M	943K	+1,464	+0.16%	$28.79	Q1 2017
12/31/2016	0.01%	0%	$24.1M	942K	-1,098	-0.12%	$25.56	Q4 2016
9/30/2016	0.01%	+0%	$21.5M	943K	+45,029	+5.02%	$22.84	Q3 2016
6/30/2016	0.01%	0%	$17.8M	898K	-23,469	-2.55%	$19.78	Q2 2016
3/31/2016	0.01%	0%	$14.1M	921K	-6,160	-0.66%	$15.25	Q1 2016
12/31/2015	0.01%	0%	$15M	927K	-12,143	-1.29%	$16.22	Q4 2015
9/30/2015	0.01%	+0%	$18.9M	940K	+4,853	+0.52%	$20.07	Q3 2015
6/30/2015	0.01%	+0%	$24M	935K	+15,957	+1.74%	$25.67	Q2 2015
3/31/2015	0.02%	0%	$23.8M	919K	-84	-0.01%	$25.90	Q1 2015
12/31/2014	0.02%	0%	$23.2M	919K	-516	-0.06%	$25.28	Q4 2014
9/30/2014	0.02%	0%	$25.2M	919K	-203	-0.02%	$27.41	Q3 2014
6/30/2014	0.02%	+0%	$24M	920K	+11,698	+1.29%	$26.13	Q2 2014
3/31/2014	0.02%	+0%	$22.8M	908K	+1,049	+0.12%	$25.06	Q1 2014
12/31/2013	0.02%		$27M	907K			$29.81	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.