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CITADEL ADVISORS LLC

Position in ONTO — Onto Innovation Inc.

CIK 1423053 MIAMI, FL

Position in ONTO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$129,500,670
+$68,683,061 QoQ
Shares Held
342,187
+15.4% QoQ
Ownership
0.697%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#35
of 686 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ONTO Over Time

Shares Held

Position Value (USD)

Derivatives in ONTO

reported options exposure · as of Jun 30, 2026
CallValue
$50,182,470
CallShares
132,600
PutValue
$22,858,380
PutShares
60,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $3,316,848,873 across 26 Semiconductor Equipment & Materials names. ONTO ranks #5 (3.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 ONTO
Onto Innovation Inc.
This page
342,187 $129,500,670

All Filings in ONTO

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $129,500,670 342,187
2026-06-30 $50,182,470 132,600
2026-06-30 $22,858,380 60,400
2026-03-31 $9,638,290 47,000
2026-03-31 $9,986,909 48,700
2026-03-31 $60,817,609 296,570
2025-12-31 $21,905,600 138,766
2025-12-31 $4,057,002 25,700
2025-12-31 $3,725,496 23,600
2025-09-30 $8,399,300 65,000
2025-09-30 $10,260,068 79,400
2025-09-30 $50,561,459 391,282
2025-06-30 $29,175,228 289,064
2025-06-30 $8,377,190 83,000
2025-06-30 $10,355,418 102,600
2025-03-31 $7,195,462 59,300
2025-03-31 $377,974 3,115
2025-03-31 $10,156,158 83,700
2024-12-31 $3,960,578 23,763
2024-12-31 $3,750,075 22,500
2024-12-31 $3,600,072 21,600
2024-09-30 $3,113,400 15,000
2024-09-30 $934,227 4,501
2024-09-30 $6,102,264 29,400
2024-06-30 $2,700,588 12,300
2024-06-30 $6,147,680 28,000
2024-06-30 $32,333,722 147,266
2024-03-31 $11,263,176 62,200
2024-03-31 $3,612,364 19,949
2024-03-31 $3,531,060 19,500
2023-12-31 $6,039,550 39,500
2023-12-31 $5,596,140 36,600
2023-12-31 $4,919,404 32,174
2023-09-30 $6,465,264 50,700
2023-09-30 $4,004,128 31,400
2023-06-30 $6,836,439 58,697
2023-06-30 $4,414,213 37,900
2023-06-30 $1,106,465 9,500
2023-03-31 $940,316 10,700
2023-03-31 $2,363,972 26,900
2022-12-31 $1,697,142 24,925
2022-12-31 $1,429,890 21,000
2022-12-31 $1,130,294 16,600
2022-09-30 $851,865 13,300
2022-09-30 $2,939,895 45,900
2022-09-30 $6,520,545 101,804
2022-06-30 $1,750,474 25,100
2022-06-30 $2,883,748 41,350
2022-06-30 $2,071,278 29,700
2022-03-31 $2,926,802 33,684