SYNOPSYS INC

Ticker: SNPS CUSIP: 871607107 Class: COM

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q1 2025

Shares 720 Value ($000) $309 Avg Close $485.80 Range $423.08 - $556.31

Q2 2024

Shares 814 Value ($000) $484 Avg Close $565.46 Range $508.19 - $622.99

Q1 2024

Shares 916 Value ($000) $523 Avg Close $550.38 Range $477.65 - $629.38

Q4 2023

Shares 2,919 Value ($000) $1,503 Avg Close $511.34 Range $448.26 - $573.77

Q3 2023

Shares 5,158 Value ($000) $2,367 Avg Close $447.51 Range $418.51 - $471.94

Q2 2023

Shares 5,077 Value ($000) $2,211 Avg Close $402.78 Range $360.37 - $468.03

Q1 2023

Shares 5,542 Value ($000) $2,141 Avg Close $357.27 Range $312.25 - $386.72

Q4 2022

Shares 5,132 Value ($000) $1,639 Avg Close $313.01 Range $267.00 - $363.99

Q3 2022

Shares 4,131 Value ($000) $1,262 Avg Close $338.58 Range $294.29 - $391.17

Q1 2022

Shares 2,130 Value ($000) $710 Avg Close $312.14 Range $275.00 - $371.73

Q4 2021

Shares 2,416 Value ($000) $890 Avg Close $337.23 Range $287.02 - $377.60

Q3 2021

Shares 1,444 Value ($000) $432 Avg Close $303.56 Range $272.18 - $340.66

Q4 2020

Shares 1,652 Value ($000) $428 Avg Close $230.63 Range $210.33 - $261.13

Q3 2020

Shares 5,737 Value ($000) $1,228 Avg Close $203.59 Range $188.82 - $230.12

Q2 2020

Shares 6,753 Value ($000) $1,317 Avg Close $165.04 Range $122.51 - $197.66

Q1 2020

Shares 9,738 Value ($000) $1,254 Avg Close $142.23 Range $104.90 - $166.87

Q4 2019

Shares 4,721 Value ($000) $657 Avg Close $137.18 Range $130.72 - $144.24

Q3 2019

Shares 15,424 Value ($000) $2,117 Avg Close $135.21 Range $123.85 - $146.66

Q1 2019

Shares 8,130 Value ($000) $936 Avg Close $99.10 Range $81.03 - $115.21

Q4 2018

Shares 20,949 Value ($000) $1,765 Avg Close $88.84 Range $79.14 - $99.31

Q3 2018

Shares 47,885 Value ($000) $4,722 Avg Close $95.32 Range $84.75 - $103.40

Q2 2018

Shares 47,613 Value ($000) $4,074 Avg Close $87.15 Range $80.13 - $91.67

Q1 2018

Shares 55,528 Value ($000) $4,622 Avg Close $87.85 Range $82.10 - $94.14

Q4 2017

Shares 94,952 Value ($000) $8,094 Avg Close $86.51 Range $80.67 - $94.80

Q3 2017

Shares 72,061 Value ($000) $5,803 Avg Close $77.58 Range $71.94 - $81.57

Q2 2017

Shares 37,922 Value ($000) $2,766 Avg Close $73.56 Range $70.55 - $76.57

Q3 2016

Shares 9,815 Value ($000) $583 Avg Close $56.78 Range $53.02 - $60.00

Q2 2016

Shares 7,656 Value ($000) $414 Avg Close $50.14 Range $46.68 - $54.10

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	720	$309	$485.80	$423.08 - $556.31
Q2 2024	814	$484	$565.46	$508.19 - $622.99
Q1 2024	916	$523	$550.38	$477.65 - $629.38
Q4 2023	2,919	$1,503	$511.34	$448.26 - $573.77
Q3 2023	5,158	$2,367	$447.51	$418.51 - $471.94
Q2 2023	5,077	$2,211	$402.78	$360.37 - $468.03
Q1 2023	5,542	$2,141	$357.27	$312.25 - $386.72
Q4 2022	5,132	$1,639	$313.01	$267.00 - $363.99
Q3 2022	4,131	$1,262	$338.58	$294.29 - $391.17
Q1 2022	2,130	$710	$312.14	$275.00 - $371.73
Q4 2021	2,416	$890	$337.23	$287.02 - $377.60
Q3 2021	1,444	$432	$303.56	$272.18 - $340.66
Q4 2020	1,652	$428	$230.63	$210.33 - $261.13
Q3 2020	5,737	$1,228	$203.59	$188.82 - $230.12
Q2 2020	6,753	$1,317	$165.04	$122.51 - $197.66
Q1 2020	9,738	$1,254	$142.23	$104.90 - $166.87
Q4 2019	4,721	$657	$137.18	$130.72 - $144.24
Q3 2019	15,424	$2,117	$135.21	$123.85 - $146.66
Q1 2019	8,130	$936	$99.10	$81.03 - $115.21
Q4 2018	20,949	$1,765	$88.84	$79.14 - $99.31
Q3 2018	47,885	$4,722	$95.32	$84.75 - $103.40
Q2 2018	47,613	$4,074	$87.15	$80.13 - $91.67
Q1 2018	55,528	$4,622	$87.85	$82.10 - $94.14
Q4 2017	94,952	$8,094	$86.51	$80.67 - $94.80
Q3 2017	72,061	$5,803	$77.58	$71.94 - $81.57
Q2 2017	37,922	$2,766	$73.56	$70.55 - $76.57
Q3 2016	9,815	$583	$56.78	$53.02 - $60.00
Q2 2016	7,656	$414	$50.14	$46.68 - $54.10