DUCOMMUN INC DEL

Ticker: DCO CUSIP: 264147109 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 27,900 Value ($000) $2,654 Avg Close $93.15 Range $84.76 - $101.47

Q3 2025

Shares 27,400 Value ($000) $2,634 Avg Close $90.38 Range $80.69 - $96.49

Q2 2025

Shares 27,000 Value ($000) $2,231 Avg Close $66.46 Range $51.76 - $86.64

Q1 2025

Shares 25,800 Value ($000) $1,497 Avg Close $63.12 Range $54.61 - $70.25

Q4 2024

Shares 24,500 Value ($000) $1,560 Avg Close $64.22 Range $58.72 - $70.50

Q3 2024

Shares 24,500 Value ($000) $1,613 Avg Close $62.57 Range $56.40 - $66.77

Q2 2024

Shares 24,500 Value ($000) $1,422 Avg Close $55.87 Range $48.21 - $60.00

Q1 2024

Shares 25,900 Value ($000) $1,329 Avg Close $49.84 Range $47.53 - $52.71

Q4 2023

Shares 25,900 Value ($000) $1,348 Avg Close $48.83 Range $42.72 - $53.85

Q3 2023

Shares 28,200 Value ($000) $1,227 Avg Close $45.39 Range $42.31 - $50.35

Q2 2023

Shares 27,600 Value ($000) $1,203 Avg Close $47.16 Range $40.24 - $55.05

Q1 2023

Shares 24,800 Value ($000) $1,357 Avg Close $54.50 Range $48.68 - $58.28

Q4 2022

Shares 27,700 Value ($000) $1,384 Avg Close $47.62 Range $39.55 - $53.26

Q3 2022

Shares 26,800 Value ($000) $1,063 Avg Close $44.42 Range $38.89 - $50.42

Q2 2022

Shares 26,800 Value ($000) $1,153 Avg Close $47.94 Range $40.00 - $58.18

Q1 2022

Shares 25,400 Value ($000) $1,331 Avg Close $47.63 Range $40.82 - $54.61

Q4 2021

Shares 23,300 Value ($000) $1,090 Avg Close $47.77 Range $41.72 - $54.62

Q3 2021

Shares 23,300 Value ($000) $1,173 Avg Close $52.44 Range $48.33 - $56.50

Q2 2021

Shares 23,300 Value ($000) $1,271 Avg Close $56.82 Range $50.04 - $65.40

Q1 2021

Shares 25,100 Value ($000) $1,506 Avg Close $55.88 Range $48.70 - $63.41

Q4 2020

Shares 25,100 Value ($000) $1,348 Avg Close $43.14 Range $31.36 - $56.00

Q3 2020

Shares 25,100 Value ($000) $826 Avg Close $35.96 Range $30.45 - $42.62

Q2 2020

Shares 25,100 Value ($000) $875 Avg Close $29.58 Range $20.10 - $42.49

Q1 2020

Shares 21,300 Value ($000) $529 Avg Close $38.48 Range $16.27 - $57.84

Q4 2019

Shares 21,000 Value ($000) $1,061 Avg Close $46.05 Range $38.76 - $53.41

Q3 2019

Shares 20,200 Value ($000) $856 Avg Close $43.14 Range $38.64 - $49.20

Q2 2019

Shares 20,200 Value ($000) $910 Avg Close $44.85 Range $38.67 - $52.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	27,900	$2,654	$93.15	$84.76 - $101.47
Q3 2025	27,400	$2,634	$90.38	$80.69 - $96.49
Q2 2025	27,000	$2,231	$66.46	$51.76 - $86.64
Q1 2025	25,800	$1,497	$63.12	$54.61 - $70.25
Q4 2024	24,500	$1,560	$64.22	$58.72 - $70.50
Q3 2024	24,500	$1,613	$62.57	$56.40 - $66.77
Q2 2024	24,500	$1,422	$55.87	$48.21 - $60.00
Q1 2024	25,900	$1,329	$49.84	$47.53 - $52.71
Q4 2023	25,900	$1,348	$48.83	$42.72 - $53.85
Q3 2023	28,200	$1,227	$45.39	$42.31 - $50.35
Q2 2023	27,600	$1,203	$47.16	$40.24 - $55.05
Q1 2023	24,800	$1,357	$54.50	$48.68 - $58.28
Q4 2022	27,700	$1,384	$47.62	$39.55 - $53.26
Q3 2022	26,800	$1,063	$44.42	$38.89 - $50.42
Q2 2022	26,800	$1,153	$47.94	$40.00 - $58.18
Q1 2022	25,400	$1,331	$47.63	$40.82 - $54.61
Q4 2021	23,300	$1,090	$47.77	$41.72 - $54.62
Q3 2021	23,300	$1,173	$52.44	$48.33 - $56.50
Q2 2021	23,300	$1,271	$56.82	$50.04 - $65.40
Q1 2021	25,100	$1,506	$55.88	$48.70 - $63.41
Q4 2020	25,100	$1,348	$43.14	$31.36 - $56.00
Q3 2020	25,100	$826	$35.96	$30.45 - $42.62
Q2 2020	25,100	$875	$29.58	$20.10 - $42.49
Q1 2020	21,300	$529	$38.48	$16.27 - $57.84
Q4 2019	21,000	$1,061	$46.05	$38.76 - $53.41
Q3 2019	20,200	$856	$43.14	$38.64 - $49.20
Q2 2019	20,200	$910	$44.85	$38.67 - $52.04