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EMERALD ADVISERS, LLC

Position in ONTO — Onto Innovation Inc.

CIK 1015083 LEOLA, PA

Position in ONTO

as of Jun 30, 2026 · filed Aug 5, 2026
Position Value
$33,159,410
+$8,874,406 QoQ
Shares Held
87,619
-26.0% QoQ
Ownership
0.179%
of shares outstanding
% of Portfolio
0.78%
of 13F equity value
Holder Rank
#99
of 686 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 74% Shared 0% None 26%

Common Shares in ONTO Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

EMERALD ADVISERS, LLC holds $279,308,428 across 7 Semiconductor Equipment & Materials names. ONTO ranks #5 (11.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 ONTO
Onto Innovation Inc.
This page
87,619 $33,159,410

All Filings in ONTO

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20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $33,159,410 87,619
2026-03-31 $24,285,004 118,423
2025-12-31 $19,355,688 122,613
2025-09-30 $16,483,432 127,561
2025-06-30 $13,136,039 130,150
2024-09-30 $14,776,611 71,192
2024-06-30 $27,536,556 125,417
2024-03-31 $28,113,032 155,252
2023-12-31 $23,485,287 153,599
2023-09-30 $10,491,070 82,270
2022-06-30 $19,993,621 286,688
2022-03-31 $26,794,443 308,372
2021-12-31 $40,193,877 397,055
2021-09-30 $29,224,547 404,492
2021-06-30 $32,657,352 447,116
2021-03-31 $32,035,333 487,526
2020-12-31 $24,244,889 509,882
2020-09-30 $10,416,120 349,769
2020-06-30 $12,285,070 360,901
2020-03-31 $10,744,070 362,119