CenterBook Partners’s Onto Innovation ONTO Stock Holding History

CenterBook Partners’s Portfolio ONTO Stock Details ONTO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.24M	Buy	+6,061	New	+$1.24M	0.07%	316
2025 Q2	–	Sell	-7,016	Closed	-$851K	–	574
2025 Q1	$851K	Buy	7,016 +3,192	+83%	+$537K	0.05%	347
2024 Q4	$637K	Buy	3,824 +1,709	+81%	+$312K	0.04%	392
2024 Q3	$439K	Buy	+2,115	New	+$427K	0.03%	402
2024 Q1	–	Sell	-4,376	Closed	-$669K	–	462
2023 Q4	$669K	Buy	+4,376	New	+$589K	0.08%	297
2022 Q4	–	Sell	-7,536	Closed	-$483K	–	440
2022 Q3	$483K	Buy	+7,536	New	+$554K	0.09%	281

Other funds holding ONTO

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

CenterBook Partners's ONTO Position: Q1 2026 in Review

CenterBook Partners opened a new position in Onto Innovation (ONTO) in Q1 2026: 6,061 shares worth $1.24M. The stake represents 0.07% of the portfolio and ranks #316 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in ONTO as recently as Q1 2025.

CenterBook Partners first reported a position in ONTO in Q3 2022 and has held it in 6 quarters since. 575 funds tracked by Wall St. Rank hold ONTO as of Q1 2026.

CenterBook Partners held 6,061 shares of Onto Innovation worth $1.24M as of Q1 2026.
Onto Innovation was a new CenterBook Partners position in Q1 2026.
Onto Innovation made up 0.07% of CenterBook Partners's portfolio in Q1 2026, its #316 holding.
CenterBook Partners first reported a position in Onto Innovation in Q3 2022 and has held it in 6 quarters since.
575 funds tracked by Wall St. Rank held Onto Innovation as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.