Congress Asset Management’s Onto Innovation ONTO Stock Holding History

Congress Asset Management’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 Q2	$436K	Sell	1,151 -4	-0.3%	-$1.13K	﹤0.01%	339
2026 Q1	$237K	Sell	1,155 -205	-15%	-$42K	﹤0.01%	412
2025 Q4	$215K	Sell	1,360 -3,503	-72%	-$498K	﹤0.01%	376
2025 Q3	$628K	Buy	4,863 +630	+15%	+$67.4K	﹤0.01%	342
2025 Q2	$427K	Sell	4,233 -448,660	-99%	-$47.9M	﹤0.01%	350
2025 Q1	$55M	Sell	452,893 -35,287	-7%	-$5.94M	0.41%	97
2024 Q4	$81.4M	Sell	488,180 -584,616	-54%	-$107M	0.55%	74
2024 Q3	$223M	Buy	1,072,796 +295,869	+38%	+$59.7M	1.52%	5
2024 Q2	$171M	Buy	776,927 +351,609	+83%	+$72.7M	1.22%	9
2024 Q1	$77M	Sell	425,318 -9,353	-2%	-$1.58M	0.55%	81
2023 Q4	$66.5M	Sell	434,671 -15,274	-3%	-$2.05M	0.52%	79
2023 Q3	$57.4M	Buy	449,945 +16,948	+4%	+$2.01M	0.51%	81
2023 Q2	$50.4M	Buy	432,997 +29,439	+7%	+$2.81M	0.44%	83
2023 Q1	$35.5M	Buy	403,558 +7,976	+2%	+$647K	0.33%	79
2022 Q4	$26.9M	Buy	395,582 +31,268	+9%	+$2.25M	0.27%	85
2022 Q3	$23.3M	Buy	364,314 +18,318	+5%	+$1.35M	0.25%	84
2022 Q2	$24.1M	Buy	345,996 +24,351	+8%	+$1.8M	0.23%	89
2022 Q1	$27.9M	Buy	321,645 +1,386	+0.4%	+$123K	0.24%	82
2021 Q4	$32.4M	Sell	320,259 -29,960	-9%	-$2.59M	0.25%	81
2021 Q3	$25.3M	Buy	350,219 +55,325	+19%	+$3.99M	0.2%	86
2021 Q2	$21.5M	Buy	294,894 +161,427	+121%	+$11.1M	0.18%	89
2021 Q1	$8.77M	Buy	+133,467	New	+$7.95M	0.08%	144

Other funds holding ONTO

TIAM

TT International Asset Management London, United Kingdom $783M AUM 104.75% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

FWIA

Fort Washington Investment Advisors Cincinnati, Ohio $19.9B AUM 22.19% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

AAP

Ardsley Advisory Partners Stamford, Connecticut $960M AUM 207.76% 1-Year Est. Return

SFA

Sequoia Financial Advisors Akron, Ohio $20.1B AUM 24.77% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

YCM

Yousif Capital Management Bloomfield Hills, Michigan $8.94B AUM 42.6% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

COPPSERS

Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return

Congress Asset Management's ONTO Position: Q2 2026 in Review

Congress Asset Management reduced its Onto Innovation (ONTO) stake by 0.35% in Q2 2026, selling an estimated $1.13K and leaving 1,151 shares worth $436K. The position accounts for ﹤0.01% of the portfolio, ranked #339.

Congress Asset Management first reported a position in ONTO in Q1 2021 and has held it in 22 quarters since. The position peaked at $223M in Q3 2024. 71 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

Congress Asset Management held 1,151 shares of Onto Innovation worth $436K as of Q2 2026.
Congress Asset Management sold 4 Onto Innovation shares in Q2 2026, an estimated $1.13K.
Onto Innovation made up ﹤0.01% of Congress Asset Management's portfolio in Q2 2026, its #339 holding.
Congress Asset Management first reported a position in Onto Innovation in Q1 2021 and has held it in 22 quarters since.
Congress Asset Management's Onto Innovation position peaked at $223M in Q3 2024.
71 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on Congress Asset Management's 13F filing for Q2 2026, filed 7 Jul 2026.