SYNOPSYS INC

Ticker: SNPS CUSIP: 871607107 Class: COM

Dodge & Cox's Holding History (CIK: 0000200217)

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

Q4 2025

Shares 10,200 Value ($000) $4,791 Avg Close $444.23 Range $376.18 - $495.72

Q3 2025

Shares 10,900 Value ($000) $5,378 Avg Close $565.30 Range $380.84 - $651.73

Q2 2025

Shares 11,000 Value ($000) $5,639 Avg Close $465.91 Range $365.74 - $521.69

Q1 2025

Shares 11,250 Value ($000) $4,825 Avg Close $485.80 Range $423.08 - $556.31

Q4 2024

Shares 11,350 Value ($000) $5,509 Avg Close $522.72 Range $478.84 - $592.99

Q3 2024

Shares 11,350 Value ($000) $5,748 Avg Close $536.59 Range $457.52 - $624.80

Q2 2024

Shares 11,450 Value ($000) $6,813 Avg Close $565.46 Range $508.19 - $622.99

Q1 2024

Shares 11,450 Value ($000) $6,544 Avg Close $550.38 Range $477.65 - $629.38

Q4 2023

Shares 11,550 Value ($000) $5,947 Avg Close $511.34 Range $448.26 - $573.77

Q3 2023

Shares 12,150 Value ($000) $5,576 Avg Close $447.51 Range $418.51 - $471.94

Q2 2023

Shares 13,050 Value ($000) $5,682 Avg Close $402.78 Range $360.37 - $468.03

Q1 2023

Shares 13,350 Value ($000) $5,156 Avg Close $357.27 Range $312.25 - $386.72

Q4 2022

Shares 13,730 Value ($000) $4,384 Avg Close $313.01 Range $267.00 - $363.99

Q3 2022

Shares 15,484 Value ($000) $4,731 Avg Close $338.58 Range $294.29 - $391.17

Q2 2022

Shares 15,484 Value ($000) $4,702 Avg Close $301.65 Range $255.02 - $341.16

Q1 2022

Shares 15,584 Value ($000) $5,194 Avg Close $312.14 Range $275.00 - $371.73

Q4 2021

Shares 15,784 Value ($000) $5,816 Avg Close $337.23 Range $287.02 - $377.60

Q3 2021

Shares 16,184 Value ($000) $4,846 Avg Close $303.56 Range $272.18 - $340.66

Q2 2021

Shares 16,584 Value ($000) $4,574 Avg Close $253.80 Range $225.02 - $277.53

Q1 2021

Shares 14,630 Value ($000) $3,625 Avg Close $253.95 Range $217.69 - $300.91

Q4 2020

Shares 15,330 Value ($000) $3,974 Avg Close $230.63 Range $210.33 - $261.13

Q3 2020

Shares 15,330 Value ($000) $3,280 Avg Close $203.59 Range $188.82 - $230.12

Q2 2020

Shares 15,430 Value ($000) $3,009 Avg Close $165.04 Range $122.51 - $197.66

Q1 2020

Shares 15,250 Value ($000) $1,964 Avg Close $142.23 Range $104.90 - $166.87

Q4 2019

Shares 16,850 Value ($000) $2,346 Avg Close $137.18 Range $130.72 - $144.24

Q3 2019

Shares 18,850 Value ($000) $2,587 Avg Close $135.21 Range $123.85 - $146.66

Q2 2019

Shares 20,330 Value ($000) $2,616 Avg Close $120.29 Range $112.75 - $130.64

Q1 2019

Shares 38,630 Value ($000) $4,448 Avg Close $99.10 Range $81.03 - $115.21

Q4 2018

Shares 814,946 Value ($000) $68,651 Avg Close $88.84 Range $79.14 - $99.31

Q3 2018

Shares 3,417,640 Value ($000) $337,013 Avg Close $95.32 Range $84.75 - $103.40

Q2 2018

Shares 5,225,435 Value ($000) $447,140 Avg Close $87.15 Range $80.13 - $91.67

Q1 2018

Shares 5,525,630 Value ($000) $459,953 Avg Close $87.85 Range $82.10 - $94.14

Q4 2017

Shares 5,652,855 Value ($000) $481,849 Avg Close $86.51 Range $80.67 - $94.80

Q3 2017

Shares 5,777,225 Value ($000) $465,240 Avg Close $77.58 Range $71.94 - $81.57

Q2 2017

Shares 6,217,525 Value ($000) $453,444 Avg Close $73.56 Range $70.55 - $76.57

Q1 2017

Shares 11,192,275 Value ($000) $807,299 Avg Close $66.92 Range $59.04 - $73.08

Q4 2016

Shares 11,520,675 Value ($000) $678,107 Avg Close $59.50 Range $56.03 - $62.00

Q3 2016

Shares 12,518,161 Value ($000) $742,953 Avg Close $56.78 Range $53.02 - $60.00

Q2 2016

Shares 13,659,473 Value ($000) $738,704 Avg Close $50.14 Range $46.68 - $54.10

Q1 2016

Shares 14,453,773 Value ($000) $700,141 Avg Close $44.13 Range $39.26 - $48.60

Q4 2015

Shares 15,019,673 Value ($000) $685,047 Avg Close $48.36 Range $44.39 - $52.78

Q3 2015

Shares 17,258,273 Value ($000) $796,987 Avg Close $49.10 Range $43.46 - $52.65

Q2 2015

Shares 19,771,373 Value ($000) $1,001,420 Avg Close $48.68 Range $45.81 - $51.00

Q1 2015

Shares 21,222,723 Value ($000) $983,037 Avg Close $44.77 Range $41.60 - $47.37

Q4 2014

Shares 21,310,523 Value ($000) $926,368 Avg Close $41.52 Range $36.62 - $45.03

Q3 2014

Shares 21,508,411 Value ($000) $853,776 Avg Close $39.64 Range $37.27 - $42.55

Q2 2014

Shares 21,519,511 Value ($000) $835,387 Avg Close $38.15 Range $36.03 - $39.50

Q1 2014

Shares 21,472,811 Value ($000) $824,771 Avg Close $40.13 Range $37.70 - $41.62

Q4 2013

Shares 20,657,413 Value ($000) $838,071 Avg Close $37.43 Range $34.55 - $40.79

Q3 2013

Shares 19,655,294 Value ($000) $741,005 Avg Close $37.05 Range $35.13 - $38.14

Q2 2013

Shares 20,142,061 Value ($000) $720,079 Avg Close $35.52 Range $33.50 - $37.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,200	$4,791	$444.23	$376.18 - $495.72
Q3 2025	10,900	$5,378	$565.30	$380.84 - $651.73
Q2 2025	11,000	$5,639	$465.91	$365.74 - $521.69
Q1 2025	11,250	$4,825	$485.80	$423.08 - $556.31
Q4 2024	11,350	$5,509	$522.72	$478.84 - $592.99
Q3 2024	11,350	$5,748	$536.59	$457.52 - $624.80
Q2 2024	11,450	$6,813	$565.46	$508.19 - $622.99
Q1 2024	11,450	$6,544	$550.38	$477.65 - $629.38
Q4 2023	11,550	$5,947	$511.34	$448.26 - $573.77
Q3 2023	12,150	$5,576	$447.51	$418.51 - $471.94
Q2 2023	13,050	$5,682	$402.78	$360.37 - $468.03
Q1 2023	13,350	$5,156	$357.27	$312.25 - $386.72
Q4 2022	13,730	$4,384	$313.01	$267.00 - $363.99
Q3 2022	15,484	$4,731	$338.58	$294.29 - $391.17
Q2 2022	15,484	$4,702	$301.65	$255.02 - $341.16
Q1 2022	15,584	$5,194	$312.14	$275.00 - $371.73
Q4 2021	15,784	$5,816	$337.23	$287.02 - $377.60
Q3 2021	16,184	$4,846	$303.56	$272.18 - $340.66
Q2 2021	16,584	$4,574	$253.80	$225.02 - $277.53
Q1 2021	14,630	$3,625	$253.95	$217.69 - $300.91
Q4 2020	15,330	$3,974	$230.63	$210.33 - $261.13
Q3 2020	15,330	$3,280	$203.59	$188.82 - $230.12
Q2 2020	15,430	$3,009	$165.04	$122.51 - $197.66
Q1 2020	15,250	$1,964	$142.23	$104.90 - $166.87
Q4 2019	16,850	$2,346	$137.18	$130.72 - $144.24
Q3 2019	18,850	$2,587	$135.21	$123.85 - $146.66
Q2 2019	20,330	$2,616	$120.29	$112.75 - $130.64
Q1 2019	38,630	$4,448	$99.10	$81.03 - $115.21
Q4 2018	814,946	$68,651	$88.84	$79.14 - $99.31
Q3 2018	3,417,640	$337,013	$95.32	$84.75 - $103.40
Q2 2018	5,225,435	$447,140	$87.15	$80.13 - $91.67
Q1 2018	5,525,630	$459,953	$87.85	$82.10 - $94.14
Q4 2017	5,652,855	$481,849	$86.51	$80.67 - $94.80
Q3 2017	5,777,225	$465,240	$77.58	$71.94 - $81.57
Q2 2017	6,217,525	$453,444	$73.56	$70.55 - $76.57
Q1 2017	11,192,275	$807,299	$66.92	$59.04 - $73.08
Q4 2016	11,520,675	$678,107	$59.50	$56.03 - $62.00
Q3 2016	12,518,161	$742,953	$56.78	$53.02 - $60.00
Q2 2016	13,659,473	$738,704	$50.14	$46.68 - $54.10
Q1 2016	14,453,773	$700,141	$44.13	$39.26 - $48.60
Q4 2015	15,019,673	$685,047	$48.36	$44.39 - $52.78
Q3 2015	17,258,273	$796,987	$49.10	$43.46 - $52.65
Q2 2015	19,771,373	$1,001,420	$48.68	$45.81 - $51.00
Q1 2015	21,222,723	$983,037	$44.77	$41.60 - $47.37
Q4 2014	21,310,523	$926,368	$41.52	$36.62 - $45.03
Q3 2014	21,508,411	$853,776	$39.64	$37.27 - $42.55
Q2 2014	21,519,511	$835,387	$38.15	$36.03 - $39.50
Q1 2014	21,472,811	$824,771	$40.13	$37.70 - $41.62
Q4 2013	20,657,413	$838,071	$37.43	$34.55 - $40.79
Q3 2013	19,655,294	$741,005	$37.05	$35.13 - $38.14
Q2 2013	20,142,061	$720,079	$35.52	$33.50 - $37.02