SYNOPSYS INC

Ticker: SNPS CUSIP: 871607107 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025

Shares 145,902 Value ($000) $69 Avg Close $444.23 Range $376.18 - $495.72

Q3 2025

Shares 200,508 Value ($000) $97 Avg Close $565.30 Range $380.84 - $651.73

Q2 2025

Shares 179,925 Value ($000) $92 Avg Close $465.91 Range $365.74 - $521.69

Q1 2025

Shares 171,364 Value ($000) $74 Avg Close $485.80 Range $423.08 - $556.31

Q4 2024

Shares 173,028 Value ($000) $84 Avg Close $522.72 Range $478.84 - $592.99

Q3 2024

Shares 195,857 Value ($000) $99 Avg Close $536.59 Range $457.52 - $624.80

Q2 2024

Shares 187,342 Value ($000) $111 Avg Close $565.46 Range $508.19 - $622.99

Q1 2024

Shares 183,253 Value ($000) $105 Avg Close $550.38 Range $477.65 - $629.38

Q4 2023

Shares 190,154 Value ($000) $97 Avg Close $511.34 Range $448.26 - $573.77

Q3 2023

Shares 206,219 Value ($000) $95 Avg Close $447.51 Range $418.51 - $471.94

Q2 2023

Shares 216,449 Value ($000) $95 Avg Close $402.78 Range $360.37 - $468.03

Q1 2023

Shares 213,226 Value ($000) $82 Avg Close $357.27 Range $312.25 - $386.72

Q4 2022

Shares 205,777 Value ($000) $66 Avg Close $313.01 Range $267.00 - $363.99

Q3 2022

Shares 182,854 Value ($000) $55,815 Avg Close $338.58 Range $294.29 - $391.17

Q2 2022

Shares 197,307 Value ($000) $59,962 Avg Close $301.65 Range $255.02 - $341.16

Q1 2022

Shares 206,379 Value ($000) $72,270 Avg Close $312.14 Range $275.00 - $371.73

Q4 2021

Shares 218,706 Value ($000) $80,447 Avg Close $337.23 Range $287.02 - $377.60

Q3 2021

Shares 215,163 Value ($000) $64,870 Avg Close $303.56 Range $272.18 - $340.66

Q2 2021

Shares 241,793 Value ($000) $66,669 Avg Close $253.80 Range $225.02 - $277.53

Q1 2021

Shares 240,513 Value ($000) $59,328 Avg Close $253.95 Range $217.69 - $300.91

Q4 2020

Shares 195,941 Value ($000) $50,647 Avg Close $230.63 Range $210.33 - $261.13

Q3 2020

Shares 173,814 Value ($000) $37,181 Avg Close $203.59 Range $188.82 - $230.12

Q2 2020

Shares 164,606 Value ($000) $31,991 Avg Close $165.04 Range $122.51 - $197.66

Q1 2020

Shares 197,808 Value ($000) $25,610 Avg Close $142.23 Range $104.90 - $166.87

Q4 2019

Shares 179,177 Value ($000) $24,745 Avg Close $137.18 Range $130.72 - $144.24

Q3 2019

Shares 172,439 Value ($000) $23,677 Avg Close $135.21 Range $123.85 - $146.66

Q2 2019

Shares 164,811 Value ($000) $21,219 Avg Close $120.29 Range $112.75 - $130.64

Q1 2019

Shares 114,735 Value ($000) $13,181 Avg Close $99.10 Range $81.03 - $115.21

Q4 2018

Shares 111,565 Value ($000) $8,978 Avg Close $88.84 Range $79.14 - $99.31

Q3 2018

Shares 134,427 Value ($000) $13,267 Avg Close $95.32 Range $84.75 - $103.40

Q2 2018

Shares 148,744 Value ($000) $12,735 Avg Close $87.15 Range $80.13 - $91.67

Q1 2018

Shares 138,952 Value ($000) $11,582 Avg Close $87.85 Range $82.10 - $94.14

Q4 2017

Shares 152,902 Value ($000) $13,016 Avg Close $86.51 Range $80.67 - $94.80

Q3 2017

Shares 148,923 Value ($000) $11,885 Avg Close $77.58 Range $71.94 - $81.57

Q2 2017

Shares 149,314 Value ($000) $10,873 Avg Close $73.56 Range $70.55 - $76.57

Q1 2017

Shares 212,349 Value ($000) $15,299 Avg Close $66.92 Range $59.04 - $73.08

Q4 2016

Shares 255,148 Value ($000) $15,059 Avg Close $59.50 Range $56.03 - $62.00

Q3 2016

Shares 275,604 Value ($000) $16,343 Avg Close $56.78 Range $53.02 - $60.00

Q2 2016

Shares 288,629 Value ($000) $15,574 Avg Close $50.14 Range $46.68 - $54.10

Q1 2016

Shares 207,752 Value ($000) $10,051 Avg Close $44.13 Range $39.26 - $48.60

Q4 2015

Shares 181,774 Value ($000) $8,298 Avg Close $48.36 Range $44.39 - $52.78

Q3 2015

Shares 192,373 Value ($000) $8,889 Avg Close $49.10 Range $43.46 - $52.65

Q2 2015

Shares 186,823 Value ($000) $9,442 Avg Close $48.68 Range $45.81 - $51.00

Q1 2015

Shares 144,969 Value ($000) $6,696 Avg Close $44.77 Range $41.60 - $47.37

Q4 2014

Shares 143,495 Value ($000) $6,224 Avg Close $41.52 Range $36.62 - $45.03

Q3 2014

Shares 139,316 Value ($000) $5,547 Avg Close $39.64 Range $37.27 - $42.55

Q2 2014

Shares 145,574 Value ($000) $5,634 Avg Close $38.15 Range $36.03 - $39.50

Q1 2014

Shares 145,574 Value ($000) $5,560 Avg Close $40.13 Range $37.70 - $41.62

Q4 2013

Shares 139,613 Value ($000) $5,694 Avg Close $37.43 Range $34.55 - $40.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	145,902	$69	$444.23	$376.18 - $495.72
Q3 2025	200,508	$97	$565.30	$380.84 - $651.73
Q2 2025	179,925	$92	$465.91	$365.74 - $521.69
Q1 2025	171,364	$74	$485.80	$423.08 - $556.31
Q4 2024	173,028	$84	$522.72	$478.84 - $592.99
Q3 2024	195,857	$99	$536.59	$457.52 - $624.80
Q2 2024	187,342	$111	$565.46	$508.19 - $622.99
Q1 2024	183,253	$105	$550.38	$477.65 - $629.38
Q4 2023	190,154	$97	$511.34	$448.26 - $573.77
Q3 2023	206,219	$95	$447.51	$418.51 - $471.94
Q2 2023	216,449	$95	$402.78	$360.37 - $468.03
Q1 2023	213,226	$82	$357.27	$312.25 - $386.72
Q4 2022	205,777	$66	$313.01	$267.00 - $363.99
Q3 2022	182,854	$55,815	$338.58	$294.29 - $391.17
Q2 2022	197,307	$59,962	$301.65	$255.02 - $341.16
Q1 2022	206,379	$72,270	$312.14	$275.00 - $371.73
Q4 2021	218,706	$80,447	$337.23	$287.02 - $377.60
Q3 2021	215,163	$64,870	$303.56	$272.18 - $340.66
Q2 2021	241,793	$66,669	$253.80	$225.02 - $277.53
Q1 2021	240,513	$59,328	$253.95	$217.69 - $300.91
Q4 2020	195,941	$50,647	$230.63	$210.33 - $261.13
Q3 2020	173,814	$37,181	$203.59	$188.82 - $230.12
Q2 2020	164,606	$31,991	$165.04	$122.51 - $197.66
Q1 2020	197,808	$25,610	$142.23	$104.90 - $166.87
Q4 2019	179,177	$24,745	$137.18	$130.72 - $144.24
Q3 2019	172,439	$23,677	$135.21	$123.85 - $146.66
Q2 2019	164,811	$21,219	$120.29	$112.75 - $130.64
Q1 2019	114,735	$13,181	$99.10	$81.03 - $115.21
Q4 2018	111,565	$8,978	$88.84	$79.14 - $99.31
Q3 2018	134,427	$13,267	$95.32	$84.75 - $103.40
Q2 2018	148,744	$12,735	$87.15	$80.13 - $91.67
Q1 2018	138,952	$11,582	$87.85	$82.10 - $94.14
Q4 2017	152,902	$13,016	$86.51	$80.67 - $94.80
Q3 2017	148,923	$11,885	$77.58	$71.94 - $81.57
Q2 2017	149,314	$10,873	$73.56	$70.55 - $76.57
Q1 2017	212,349	$15,299	$66.92	$59.04 - $73.08
Q4 2016	255,148	$15,059	$59.50	$56.03 - $62.00
Q3 2016	275,604	$16,343	$56.78	$53.02 - $60.00
Q2 2016	288,629	$15,574	$50.14	$46.68 - $54.10
Q1 2016	207,752	$10,051	$44.13	$39.26 - $48.60
Q4 2015	181,774	$8,298	$48.36	$44.39 - $52.78
Q3 2015	192,373	$8,889	$49.10	$43.46 - $52.65
Q2 2015	186,823	$9,442	$48.68	$45.81 - $51.00
Q1 2015	144,969	$6,696	$44.77	$41.60 - $47.37
Q4 2014	143,495	$6,224	$41.52	$36.62 - $45.03
Q3 2014	139,316	$5,547	$39.64	$37.27 - $42.55
Q2 2014	145,574	$5,634	$38.15	$36.03 - $39.50
Q1 2014	145,574	$5,560	$40.13	$37.70 - $41.62
Q4 2013	139,613	$5,694	$37.43	$34.55 - $40.79