SYNOPSYS INC

Ticker: SNPS CUSIP: 871607107 Class: COM

SIGMA INVESTMENT COUNSELORS INC's Holding History (CIK: 0001085163)

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

Q4 2025

Shares 25,540 Value ($000) $11,997 Avg Close $444.23 Range $376.18 - $495.72

Q3 2025

Shares 25,705 Value ($000) $12,683 Avg Close $565.30 Range $380.84 - $651.73

Q2 2025

Shares 26,112 Value ($000) $13,387 Avg Close $465.91 Range $365.74 - $521.69

Q1 2025

Shares 25,074 Value ($000) $10,753 Avg Close $485.80 Range $423.08 - $556.31

Q4 2024

Shares 26,533 Value ($000) $12,878 Avg Close $522.72 Range $478.84 - $592.99

Q3 2024

Shares 27,181 Value ($000) $13,764 Avg Close $536.59 Range $457.52 - $624.80

Q2 2024

Shares 27,451 Value ($000) $16,335 Avg Close $565.46 Range $508.19 - $622.99

Q1 2024

Shares 27,491 Value ($000) $15,711 Avg Close $550.38 Range $477.65 - $629.38

Q4 2023

Shares 27,853 Value ($000) $14,342 Avg Close $511.34 Range $448.26 - $573.77

Q3 2023

Shares 28,087 Value ($000) $12,891 Avg Close $447.51 Range $418.51 - $471.94

Q2 2023

Shares 28,588 Value ($000) $12,448 Avg Close $402.78 Range $360.37 - $468.03

Q1 2023

Shares 30,700 Value ($000) $11,858 Avg Close $357.27 Range $312.25 - $386.72

Q4 2022

Shares 30,811 Value ($000) $9,838 Avg Close $313.01 Range $267.00 - $363.99

Q3 2022

Shares 31,074 Value ($000) $9,493 Avg Close $338.58 Range $294.29 - $391.17

Q2 2022

Shares 32,378 Value ($000) $9,833 Avg Close $301.65 Range $255.02 - $341.16

Q1 2022

Shares 32,056 Value ($000) $10,683 Avg Close $312.14 Range $275.00 - $371.73

Q4 2021

Shares 31,290 Value ($000) $11,531 Avg Close $337.23 Range $287.02 - $377.60

Q3 2021

Shares 32,421 Value ($000) $9,707 Avg Close $303.56 Range $272.18 - $340.66

Q2 2021

Shares 32,375 Value ($000) $8,929 Avg Close $253.80 Range $225.02 - $277.53

Q1 2021

Shares 32,797 Value ($000) $8,126 Avg Close $253.95 Range $217.69 - $300.91

Q4 2020

Shares 33,571 Value ($000) $8,703 Avg Close $230.63 Range $210.33 - $261.13

Q3 2020

Shares 17,639 Value ($000) $3,774 Avg Close $203.59 Range $188.82 - $230.12

Q2 2020

Shares 35,616 Value ($000) $6,945 Avg Close $165.04 Range $122.51 - $197.66

Q1 2020

Shares 35,625 Value ($000) $4,588 Avg Close $142.23 Range $104.90 - $166.87

Q4 2019

Shares 44,209 Value ($000) $6,154 Avg Close $137.18 Range $130.72 - $144.24

Q3 2019

Shares 43,514 Value ($000) $5,972 Avg Close $135.21 Range $123.85 - $146.66

Q2 2019

Shares 43,199 Value ($000) $5,559 Avg Close $120.29 Range $112.75 - $130.64

Q1 2019

Shares 43,072 Value ($000) $4,960 Avg Close $99.10 Range $81.03 - $115.21

Q4 2018

Shares 44,417 Value ($000) $3,742 Avg Close $88.84 Range $79.14 - $99.31

Q3 2018

Shares 44,692 Value ($000) $4,407 Avg Close $95.32 Range $84.75 - $103.40

Q2 2018

Shares 45,850 Value ($000) $3,923 Avg Close $87.15 Range $80.13 - $91.67

Q1 2018

Shares 46,326 Value ($000) $3,856 Avg Close $87.85 Range $82.10 - $94.14

Q4 2017

Shares 47,691 Value ($000) $4,065 Avg Close $86.51 Range $80.67 - $94.80

Q3 2017

Shares 48,663 Value ($000) $3,919 Avg Close $77.58 Range $71.94 - $81.57

Q2 2017

Shares 48,785 Value ($000) $3,558 Avg Close $73.56 Range $70.55 - $76.57

Q1 2017

Shares 48,925 Value ($000) $3,529 Avg Close $66.92 Range $59.04 - $73.08

Q4 2016

Shares 50,490 Value ($000) $2,972 Avg Close $59.50 Range $56.03 - $62.00

Q3 2016

Shares 50,770 Value ($000) $3,013 Avg Close $56.78 Range $53.02 - $60.00

Q2 2016

Shares 52,360 Value ($000) $2,832 Avg Close $50.14 Range $46.68 - $54.10

Q1 2016

Shares 53,625 Value ($000) $2,598 Avg Close $44.13 Range $39.26 - $48.60

Q4 2015

Shares 54,265 Value ($000) $2,475 Avg Close $48.36 Range $44.39 - $52.78

Q3 2015

Shares 55,775 Value ($000) $2,576 Avg Close $49.10 Range $43.46 - $52.65

Q2 2015

Shares 58,040 Value ($000) $2,940 Avg Close $48.68 Range $45.81 - $51.00

Q1 2015

Shares 60,905 Value ($000) $2,821 Avg Close $44.77 Range $41.60 - $47.37

Q4 2014

Shares 61,850 Value ($000) $2,689 Avg Close $41.52 Range $36.62 - $45.03

Q3 2014

Shares 60,350 Value ($000) $2,396 Avg Close $39.64 Range $37.27 - $42.55

Q2 2014

Shares 58,240 Value ($000) $2,261 Avg Close $38.15 Range $36.03 - $39.50

Q1 2014

Shares 56,920 Value ($000) $2,186 Avg Close $40.13 Range $37.70 - $41.62

Q4 2013

Shares 55,420 Value ($000) $2,248 Avg Close $37.43 Range $34.55 - $40.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,540	$11,997	$444.23	$376.18 - $495.72
Q3 2025	25,705	$12,683	$565.30	$380.84 - $651.73
Q2 2025	26,112	$13,387	$465.91	$365.74 - $521.69
Q1 2025	25,074	$10,753	$485.80	$423.08 - $556.31
Q4 2024	26,533	$12,878	$522.72	$478.84 - $592.99
Q3 2024	27,181	$13,764	$536.59	$457.52 - $624.80
Q2 2024	27,451	$16,335	$565.46	$508.19 - $622.99
Q1 2024	27,491	$15,711	$550.38	$477.65 - $629.38
Q4 2023	27,853	$14,342	$511.34	$448.26 - $573.77
Q3 2023	28,087	$12,891	$447.51	$418.51 - $471.94
Q2 2023	28,588	$12,448	$402.78	$360.37 - $468.03
Q1 2023	30,700	$11,858	$357.27	$312.25 - $386.72
Q4 2022	30,811	$9,838	$313.01	$267.00 - $363.99
Q3 2022	31,074	$9,493	$338.58	$294.29 - $391.17
Q2 2022	32,378	$9,833	$301.65	$255.02 - $341.16
Q1 2022	32,056	$10,683	$312.14	$275.00 - $371.73
Q4 2021	31,290	$11,531	$337.23	$287.02 - $377.60
Q3 2021	32,421	$9,707	$303.56	$272.18 - $340.66
Q2 2021	32,375	$8,929	$253.80	$225.02 - $277.53
Q1 2021	32,797	$8,126	$253.95	$217.69 - $300.91
Q4 2020	33,571	$8,703	$230.63	$210.33 - $261.13
Q3 2020	17,639	$3,774	$203.59	$188.82 - $230.12
Q2 2020	35,616	$6,945	$165.04	$122.51 - $197.66
Q1 2020	35,625	$4,588	$142.23	$104.90 - $166.87
Q4 2019	44,209	$6,154	$137.18	$130.72 - $144.24
Q3 2019	43,514	$5,972	$135.21	$123.85 - $146.66
Q2 2019	43,199	$5,559	$120.29	$112.75 - $130.64
Q1 2019	43,072	$4,960	$99.10	$81.03 - $115.21
Q4 2018	44,417	$3,742	$88.84	$79.14 - $99.31
Q3 2018	44,692	$4,407	$95.32	$84.75 - $103.40
Q2 2018	45,850	$3,923	$87.15	$80.13 - $91.67
Q1 2018	46,326	$3,856	$87.85	$82.10 - $94.14
Q4 2017	47,691	$4,065	$86.51	$80.67 - $94.80
Q3 2017	48,663	$3,919	$77.58	$71.94 - $81.57
Q2 2017	48,785	$3,558	$73.56	$70.55 - $76.57
Q1 2017	48,925	$3,529	$66.92	$59.04 - $73.08
Q4 2016	50,490	$2,972	$59.50	$56.03 - $62.00
Q3 2016	50,770	$3,013	$56.78	$53.02 - $60.00
Q2 2016	52,360	$2,832	$50.14	$46.68 - $54.10
Q1 2016	53,625	$2,598	$44.13	$39.26 - $48.60
Q4 2015	54,265	$2,475	$48.36	$44.39 - $52.78
Q3 2015	55,775	$2,576	$49.10	$43.46 - $52.65
Q2 2015	58,040	$2,940	$48.68	$45.81 - $51.00
Q1 2015	60,905	$2,821	$44.77	$41.60 - $47.37
Q4 2014	61,850	$2,689	$41.52	$36.62 - $45.03
Q3 2014	60,350	$2,396	$39.64	$37.27 - $42.55
Q2 2014	58,240	$2,261	$38.15	$36.03 - $39.50
Q1 2014	56,920	$2,186	$40.13	$37.70 - $41.62
Q4 2013	55,420	$2,248	$37.43	$34.55 - $40.79