Acadian Asset Management’s Onto Innovation ONTO Stock Holding History

Acadian 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	$15M	Sell	39,713 -78,124	-66%	-$22.1M	0.02%	484
2026 Q1	$24.1M	Buy	117,837 +103,136	+702%	+$21.1M	0.03%	352
2025 Q4	$2.31M	Buy	14,701 +10,747	+272%	+$1.53M	﹤0.01%	874
2025 Q3	$507K	Sell	3,954 -8,858	-69%	-$948K	﹤0.01%	1215
2025 Q2	$1.29M	Buy	+12,812	New	+$1.37M	﹤0.01%	930
2025 Q1	–	Sell	-5,953	Closed	-$992K	–	1760
2024 Q4	$992K	Buy	+5,953	New	+$1.09M	﹤0.01%	928
2024 Q3	–	Sell	-1,812	Closed	-$397K	–	2276
2024 Q2	$397K	Buy	+1,812	New	+$375K	﹤0.01%	1274
2021 Q3	–	Sell	-591	Closed	-$43K	–	1940
2021 Q2	$43K	Sell	591 -1,877	-76%	-$129K	﹤0.01%	1823
2021 Q1	$162K	Buy	+2,468	New	+$147K	﹤0.01%	1558
2020 Q1	–	Sell	-889	Closed	-$32K	–	1895
2019 Q4	$32K	Sell	889 -1,075	-55%	-$36.5K	﹤0.01%	1664
2019 Q3	$64K	Sell	1,964 -52,341	-96%	-$1.63M	﹤0.01%	1573
2019 Q2	$1.89M	Buy	54,305 +42,872	+375%	+$1.37M	0.01%	641
2019 Q1	$353K	Sell	11,433 -30,379	-73%	-$893K	﹤0.01%	1203
2018 Q4	$1.14M	Sell	41,812 -27,186	-39%	-$838K	0.01%	700
2018 Q3	$2.59M	Sell	68,998 -942	-1%	-$37K	0.01%	514
2018 Q2	$2.48M	Buy	+69,940	New	+$2.4M	0.01%	513

Other funds holding ONTO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

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

Acadian Asset Management reduced its Onto Innovation (ONTO) stake by 66% in Q2 2026, selling an estimated $22.1M and leaving 39,713 shares worth $15M. The position accounts for 0.02% of the portfolio, ranked #484.

Acadian Asset Management first reported a position in ONTO in Q2 2018 and has held it in 16 quarters since. The position peaked at $24.1M in Q1 2026. 691 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

Acadian Asset Management held 39,713 shares of Onto Innovation worth $15M as of Q2 2026.
Acadian Asset Management sold 78,124 Onto Innovation shares in Q2 2026, an estimated $22.1M.
Onto Innovation made up 0.02% of Acadian Asset Management's portfolio in Q2 2026, its #484 holding.
Acadian Asset Management first reported a position in Onto Innovation in Q2 2018 and has held it in 16 quarters since.
Acadian Asset Management's Onto Innovation position peaked at $24.1M in Q1 2026.
691 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.