ONTO INNOVATION INC

Ticker: ONTO CUSIP: 683344105 Class: EQTY

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 12,265 Value ($000) $1,936 Avg Close $142.02 Range $118.97 - $171.32

Q3 2025

Shares 12,577 Value ($000) $1,625 Avg Close $107.03 Range $89.40 - $142.77

Q2 2025

Shares 12,557 Value ($000) $1,267 Avg Close $106.80 Range $85.88 - $136.24

Q1 2025

Shares 11,806 Value ($000) $1,433 Avg Close $168.38 Range $116.16 - $228.42

Q4 2024

Shares 10,908 Value ($000) $1,818 Avg Close $182.71 Range $156.88 - $226.73

Q3 2024

Shares 10,886 Value ($000) $2,259 Avg Close $201.83 Range $145.15 - $238.93

Q2 2024

Shares 10,922 Value ($000) $2,398 Avg Close $206.70 Range $166.65 - $238.13

Q1 2024

Shares 10,857 Value ($000) $1,966 Avg Close $168.90 Range $134.11 - $199.72

Q4 2023

Shares 10,830 Value ($000) $1,656 Avg Close $134.52 Range $108.98 - $158.50

Q3 2023

Shares 32,803 Value ($000) $4,183 Avg Close $118.86 Range $103.94 - $142.26

Q2 2023

Shares 55,326 Value ($000) $6,444 Avg Close $95.40 Range $76.40 - $117.99

Q1 2023

Shares 52,430 Value ($000) $4,608 Avg Close $81.11 Range $67.55 - $89.75

Q4 2022

Shares 52,994 Value ($000) $4 Avg Close $71.84 Range $56.02 - $86.86

Q3 2022

Shares 45,265 Value ($000) $2,899 Avg Close $73.47 Range $59.95 - $89.69

Q2 2022

Shares 45,176 Value ($000) $3,151 Avg Close $74.00 Range $67.17 - $88.91

Q1 2022

Shares 42,482 Value ($000) $3,691 Avg Close $88.92 Range $73.67 - $106.09

Q4 2021

Shares 37,244 Value ($000) $3,770 Avg Close $86.29 Range $69.51 - $103.77

Q3 2021

Shares 37,356 Value ($000) $2,699 Avg Close $72.11 Range $62.15 - $79.99

Q2 2021

Shares 37,634 Value ($000) $2,749 Avg Close $68.70 Range $56.56 - $75.61

Q1 2021

Shares 37,658 Value ($000) $2,475 Avg Close $59.55 Range $47.34 - $67.77

Q4 2020

Shares 37,827 Value ($000) $1,799 Avg Close $40.09 Range $29.98 - $49.11

Q3 2020

Shares 37,879 Value ($000) $1,128 Avg Close $33.17 Range $28.08 - $39.47

Q2 2020

Shares 23,951 Value ($000) $815 Avg Close $32.51 Range $26.41 - $36.47

Q1 2020

Shares 24,684 Value ($000) $732 Avg Close $34.20 Range $20.32 - $42.50

Q4 2019

Shares 16,633 Value ($000) $608 Avg Close $34.27 Range $31.34 - $36.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,265	$1,936	$142.02	$118.97 - $171.32
Q3 2025	12,577	$1,625	$107.03	$89.40 - $142.77
Q2 2025	12,557	$1,267	$106.80	$85.88 - $136.24
Q1 2025	11,806	$1,433	$168.38	$116.16 - $228.42
Q4 2024	10,908	$1,818	$182.71	$156.88 - $226.73
Q3 2024	10,886	$2,259	$201.83	$145.15 - $238.93
Q2 2024	10,922	$2,398	$206.70	$166.65 - $238.13
Q1 2024	10,857	$1,966	$168.90	$134.11 - $199.72
Q4 2023	10,830	$1,656	$134.52	$108.98 - $158.50
Q3 2023	32,803	$4,183	$118.86	$103.94 - $142.26
Q2 2023	55,326	$6,444	$95.40	$76.40 - $117.99
Q1 2023	52,430	$4,608	$81.11	$67.55 - $89.75
Q4 2022	52,994	$4	$71.84	$56.02 - $86.86
Q3 2022	45,265	$2,899	$73.47	$59.95 - $89.69
Q2 2022	45,176	$3,151	$74.00	$67.17 - $88.91
Q1 2022	42,482	$3,691	$88.92	$73.67 - $106.09
Q4 2021	37,244	$3,770	$86.29	$69.51 - $103.77
Q3 2021	37,356	$2,699	$72.11	$62.15 - $79.99
Q2 2021	37,634	$2,749	$68.70	$56.56 - $75.61
Q1 2021	37,658	$2,475	$59.55	$47.34 - $67.77
Q4 2020	37,827	$1,799	$40.09	$29.98 - $49.11
Q3 2020	37,879	$1,128	$33.17	$28.08 - $39.47
Q2 2020	23,951	$815	$32.51	$26.41 - $36.47
Q1 2020	24,684	$732	$34.20	$20.32 - $42.50
Q4 2019	16,633	$608	$34.27	$31.34 - $36.83