ONTO INNOVATION INC

Ticker: ONTO CUSIP: 683344105 Class: EQTY

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025

Shares 43,176 Value ($000) $6,816 Avg Close $142.02 Range $118.97 - $171.32

Q3 2025

Shares 18,728 Value ($000) $2,420 Avg Close $107.03 Range $89.40 - $142.77

Q2 2025

Shares 24,985 Value ($000) $2,522 Avg Close $106.80 Range $85.88 - $136.24

Q1 2025

Shares 92,321 Value ($000) $11,202 Avg Close $168.38 Range $116.16 - $228.42

Q4 2024

Shares 204,179 Value ($000) $34,031 Avg Close $182.71 Range $156.88 - $226.73

Q3 2024

Shares 196,093 Value ($000) $40,701 Avg Close $201.83 Range $145.15 - $238.93

Q2 2024

Shares 178,984 Value ($000) $39,298 Avg Close $206.70 Range $166.65 - $238.13

Q1 2024

Shares 143,628 Value ($000) $26,008 Avg Close $168.90 Range $134.11 - $199.72

Q4 2023

Shares 124,785 Value ($000) $19,080 Avg Close $134.52 Range $108.98 - $158.50

Q3 2023

Shares 104,370 Value ($000) $13,310 Avg Close $118.86 Range $103.94 - $142.26

Q2 2023

Shares 108,802 Value ($000) $12,672 Avg Close $95.40 Range $76.40 - $117.99

Q1 2023

Shares 102,185 Value ($000) $8,980 Avg Close $81.11 Range $67.55 - $89.75

Q4 2022

Shares 99,413 Value ($000) $6,769 Avg Close $71.84 Range $56.02 - $86.86

Q3 2022

Shares 113,535 Value ($000) $7,272 Avg Close $73.47 Range $59.95 - $89.69

Q2 2022

Shares 85,184 Value ($000) $5,925 Avg Close $74.00 Range $67.17 - $88.91

Q1 2022

Shares 74,096 Value ($000) $6,430 Avg Close $88.92 Range $73.67 - $106.09

Q4 2021

Shares 73,194 Value ($000) $7,420 Avg Close $86.29 Range $69.51 - $103.77

Q3 2021

Shares 93,205 Value ($000) $6,730 Avg Close $72.11 Range $62.15 - $79.99

Q2 2021

Shares 62,831 Value ($000) $4,612 Avg Close $68.70 Range $56.56 - $75.61

Q1 2021

Shares 45,182 Value ($000) $2,969 Avg Close $59.55 Range $47.34 - $67.77

Q4 2020

Shares 39,334 Value ($000) $1,870 Avg Close $40.09 Range $29.98 - $49.11

Q3 2020

Shares 24,938 Value ($000) $743 Avg Close $33.17 Range $28.08 - $39.47

Q2 2020

Shares 28,049 Value ($000) $955 Avg Close $32.51 Range $26.41 - $36.47

Q1 2020

Shares 27,939 Value ($000) $828 Avg Close $34.20 Range $20.32 - $42.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	43,176	$6,816	$142.02	$118.97 - $171.32
Q3 2025	18,728	$2,420	$107.03	$89.40 - $142.77
Q2 2025	24,985	$2,522	$106.80	$85.88 - $136.24
Q1 2025	92,321	$11,202	$168.38	$116.16 - $228.42
Q4 2024	204,179	$34,031	$182.71	$156.88 - $226.73
Q3 2024	196,093	$40,701	$201.83	$145.15 - $238.93
Q2 2024	178,984	$39,298	$206.70	$166.65 - $238.13
Q1 2024	143,628	$26,008	$168.90	$134.11 - $199.72
Q4 2023	124,785	$19,080	$134.52	$108.98 - $158.50
Q3 2023	104,370	$13,310	$118.86	$103.94 - $142.26
Q2 2023	108,802	$12,672	$95.40	$76.40 - $117.99
Q1 2023	102,185	$8,980	$81.11	$67.55 - $89.75
Q4 2022	99,413	$6,769	$71.84	$56.02 - $86.86
Q3 2022	113,535	$7,272	$73.47	$59.95 - $89.69
Q2 2022	85,184	$5,925	$74.00	$67.17 - $88.91
Q1 2022	74,096	$6,430	$88.92	$73.67 - $106.09
Q4 2021	73,194	$7,420	$86.29	$69.51 - $103.77
Q3 2021	93,205	$6,730	$72.11	$62.15 - $79.99
Q2 2021	62,831	$4,612	$68.70	$56.56 - $75.61
Q1 2021	45,182	$2,969	$59.55	$47.34 - $67.77
Q4 2020	39,334	$1,870	$40.09	$29.98 - $49.11
Q3 2020	24,938	$743	$33.17	$28.08 - $39.47
Q2 2020	28,049	$955	$32.51	$26.41 - $36.47
Q1 2020	27,939	$828	$34.20	$20.32 - $42.50