Back to WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

ONTO
7 quarters

Position history for WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's holdings in ONTO INNOVATION INC

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds 964,213 shares of ONTO (ONTO INNOVATION INC), worth $197.7M as of 2026-Q1. The position was decreased (-44.1% shares). ONTO represents 0.7% of WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's portfolio.

Current Value

$197.7M

Current Shares

964,213

Total Value Change

+$177.6M

Total Shares Change

+872,700

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Decreased
964,213
-44.1%
$197.7M0.7%$207.50
0
2025-Q4
Decreased
1.7M
-12.9%
$272.6M0.8%$160.01
0
2025-Q3
Increased
2M
+80.3%
$256.1M0.7%$130.40
66
2025-Q2
Increased
1.1M
+650.4%
$110.9M0.3%$98.88
58
2025-Q1
New
146,441
-
$17.8M0.0%$122.07
39
2024-Q3
Exited
0
-100.0%
$00.0%$215.37
0
2024-Q2
Decreased
91,513
-71.3%
$20.1M0.1%$219.56
0

Other major holders of ONTO: BlackRock, Inc., BlackRock Finance, Inc., VANGUARD GROUP INC

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