Impax Asset Management Group plc

Position in ONTO — Onto Innovation Inc.

CIK 1749768 LONDON, X0

Position in ONTO

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$12,110,818

+$420,180 QoQ

Shares Held

59,057

-20.3% QoQ

Ownership

0.119%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Mar 31, 2026

Impax Asset Management Group plc holds $651,245,524 across 4 Semiconductor Equipment & Materials names. ONTO ranks #4 (1.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KLAC	Kla Corp	363,789	$535,646,561
2	AMAT	Applied Materials Inc /De	259,602	$88,729,367
3	LRCX	Lam Research Corp	69,076	$14,758,778
4	ONTO	Onto Innovation Inc. This page	59,057	$12,110,818

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$12,110,818	59,057	-20.3%	Shares	Defined	2026-05-12
2025-12-31	$11,690,638	74,057	0.0%	Shares	Defined	2026-01-29
2025-09-30	$9,569,645	74,057	0.0%	Shares	Defined	2025-11-06
2025-06-30	$7,474,573	74,057	0.0%	Shares	Defined	2025-08-08
2025-03-31	$8,986,076	74,057	-19.6%	Shares	Defined	2025-04-29
2024-12-31	$15,343,140	92,057	0.0%	Shares	Defined	2025-02-04
2024-09-30	$19,107,350	92,057	-14.0%	Shares	Defined	2024-11-06
2024-06-30	$23,505,434	107,057	0.0%	Shares	Defined	2024-11-08
2024-03-31	$19,385,881	107,057	0.0%	Shares	Defined	2024-04-30
2023-12-31	$16,369,015	107,057	-14.4%	Shares	Defined	2024-01-26
2023-09-30	$15,947,268	125,057	-9.1%	Shares	Defined	2023-11-07
2023-06-30	$16,021,263	137,557	0.0%	Shares	Defined	2023-08-07
2023-03-31	$12,088,509	137,557	0.0%	Shares	Defined	2023-05-10
2022-12-31	$9,366,256	137,557	-22.5%	Shares	Defined	2023-02-09
2022-09-30	$11,372,525	177,557	0.0%	Shares	Defined	2022-11-08
2022-06-30	$12,382,825	177,557	0.0%	Shares	Defined	2022-08-11
2022-03-31	$15,427,927	177,557	0.0%	Shares	Defined	2022-05-16
2021-12-31	$17,974,095	177,557	0.0%	Shares	Defined	2022-02-14
2021-09-30	$12,828,493	177,557	0.0%	Shares	Defined	2021-11-12
2021-06-30	$12,968,763	177,557	+6.3%	Shares	Defined	2021-08-05
2021-03-31	$10,976,986	167,052	0.0%	Shares	Defined	2021-05-14
2020-12-31	$7,943,322	167,052	0.0%	Shares	Defined	2021-02-16
2020-09-30	$4,974,808	167,052	+63.7%	Shares	Defined	2020-11-12
2020-06-30	$3,473,850	102,052	0.0%	Shares	Defined	2020-08-14
2020-03-31	$3,027,882	102,052	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.