Grantham, Mayo, Van Otterloo & Co (GMO)’s Onto Innovation ONTO Stock Holding History

Grantham, Mayo, Van Otterloo & Co (GMO)’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	$50M	Sell	132,223 -4,251	-3%	-$1.2M	0.11%	70
2026 Q1	$28M	Buy	+136,474	New	+$27.9M	0.07%	136
2025 Q2	–	Sell	-284,587	Closed	-$34.5M	–	667
2025 Q1	$34.5M	Buy	+284,587	New	+$47.9M	0.11%	123
2020 Q3	–	Sell	-11,437	Closed	-$389K	–	809
2020 Q2	$389K	Sell	11,437 -105,050	-90%	-$3.41M	﹤0.01%	658
2020 Q1	$3.46M	Buy	116,487 +63,787	+121%	+$2.18M	0.03%	300
2019 Q4	$1.93M	Buy	52,700 +25,500	+94%	+$866K	0.01%	415
2019 Q3	$887K	Buy	+27,200	New	+$847K	0.01%	563

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 $3.37T AUM 44.26% 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

Grantham, Mayo, Van Otterloo & Co (GMO)'s ONTO Position: Q2 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) reduced its Onto Innovation (ONTO) stake by 3.1% in Q2 2026, selling an estimated $1.2M and leaving 132,223 shares worth $50M. The position accounts for 0.11% of the portfolio, ranked #70.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in ONTO in Q3 2019 and has held it in 7 quarters since. 690 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

Grantham, Mayo, Van Otterloo & Co (GMO) held 132,223 shares of Onto Innovation worth $50M as of Q2 2026.
Grantham, Mayo, Van Otterloo & Co (GMO) sold 4,251 Onto Innovation shares in Q2 2026, an estimated $1.2M.
Onto Innovation made up 0.11% of Grantham, Mayo, Van Otterloo & Co (GMO)'s portfolio in Q2 2026, its #70 holding.
Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in Onto Innovation in Q3 2019 and has held it in 7 quarters since.
690 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q2 2026, filed 13 Aug 2026.