ONTO INNOVATION INC

Ticker: ONTO CUSIP: 683344105 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025
Shares 1,726,587 Value ($000) $272,559 Avg Close $142.02 Range $118.97 - $171.32
Q3 2025
Shares 1,981,761 Value ($000) $256,083 Avg Close $107.03 Range $89.40 - $142.77
Q2 2025
Shares 1,098,860 Value ($000) $110,908 Avg Close $106.80 Range $85.88 - $136.24
Q1 2025
Shares 146,441 Value ($000) $17,769 Avg Close $168.38 Range $116.16 - $228.42
Q2 2024
Shares 91,513 Value ($000) $20,093 Avg Close $206.70 Range $166.65 - $238.13
Q1 2024
Shares 318,781 Value ($000) $57,725 Avg Close $168.90 Range $134.11 - $199.72
Q4 2023
Shares 346,846 Value ($000) $53,033 Avg Close $134.52 Range $108.98 - $158.50
Q3 2023
Shares 354,553 Value ($000) $45,213 Avg Close $118.86 Range $103.94 - $142.26
Q2 2023
Shares 298,584 Value ($000) $34,776 Avg Close $95.40 Range $76.40 - $117.99