SYNOPSYS INC

Ticker: SNPS CUSIP: 871607107 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025

Shares 734,800 Value ($000) $345,150 Avg Close $444.23 Range $376.18 - $495.72

Q3 2025

Shares 87,100 Value ($000) $42,974 Avg Close $565.30 Range $380.84 - $651.73

Q2 2025

Shares 65,800 Value ($000) $33,734 Avg Close $465.91 Range $365.74 - $521.69

Q1 2025

Shares 41,400 Value ($000) $17,754 Avg Close $485.80 Range $423.08 - $556.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	734,800	$345,150	$444.23	$376.18 - $495.72
Q3 2025	87,100	$42,974	$565.30	$380.84 - $651.73
Q2 2025	65,800	$33,734	$465.91	$365.74 - $521.69
Q1 2025	41,400	$17,754	$485.80	$423.08 - $556.31