ONTO INNOVATION INC. - Common Stock (ONTO)

Historical Holders from Q1 2016 to Q3 2025

Symbol: ONTO on NYSE
Type / Class: Equity / Common Stock
Shares outstanding: 48,923,126
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 47,389,947
Holdings value: $6,125,150,440
% of all portfolios: 0.014%
Number of holders: 466
Number of buys: 261
Number of sells: -210
Average buys %: +0.01%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of ONTO INNOVATION INC. - Common Stock (ONTO)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
BlackRock, Inc.	10.3%	-9.1%	$651,150,176	-$71,224,384	5,039,082	-9.9%	BlackRock, Inc.	30 Sep 2025

Institutional Holders of ONTO INNOVATION INC. - Common Stock (ONTO)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	47,389,947	$6,125,150,440	-$64,212,962	$36,451,484	$79,433,110	$129.22	466
2025 Q2	49,063,671	$4,952,535,424	+$177,223,230	$29,852,054	$35,820,973	$100.93	440
2025 Q1	46,398,369	$5,627,299,881	-$211,168,537	$40,242,314	$44,719,411	$121.34	466
2024 Q4	47,045,562	$7,847,533,992	-$91,501,600	$16,222,076	$22,904,413	$166.67	514
2024 Q3	47,055,904	$9,786,328,985	-$312,993,433	$22,726,920	$43,390,524	$207.56	518
2024 Q2	47,403,889	$10,410,339,589	-$254,379,248	$14,359,224	$19,211,500	$219.56	503
2024 Q1	48,543,963	$8,790,382,402	+$49,065,067	$10,955,340	$23,467,968	$181.08	426
2023 Q4	48,522,629	$7,417,606,428	-$21,809,974	$9,571,540	$17,048,350	$152.9	387
2023 Q3	48,722,727	$6,215,043,126	+$217,764,705	$7,421,664	$17,891,056	$127.52	356
2023 Q2	46,989,484	$5,472,808,128	+$51,656,244	$2,573,987	$10,171,907	$116.47	326
2023 Q1	46,475,639	$4,084,114,931	+$70,896,733	$2,785,796	$5,220,072	$87.88	293
2022 Q4	46,295,678	$3,153,378,735	-$47,964,321	$2,873,398	$3,023,196	$68.09	294
2022 Q3	47,030,564	$3,012,933,082	-$132,293,268	$6,112,000	$1,934,000	$64.05	283
2022 Q2	47,142,452	$3,288,302,216	+$56,979,334	$2,971,000	$4,846,000	$69.74	293
2022 Q1	46,487,126	$4,038,292,606	+$1,713,366	$6,143,000	$10,044,000	$86.89	303
2021 Q4	46,606,114	$4,717,157,864	-$3,105,097	$14,693,000	$14,985,000	$101.23	296
2021 Q3	46,810,966	$3,381,908,084	-$43,011,682	$2,903,000	$3,902,000	$72.25	262
2021 Q2	47,395,970	$3,461,390,713	+$45,705,075	$3,564,000	$4,287,000	$73.04	254
2021 Q1	46,931,013	$3,085,828,562	+$75,448,695	$1,702,000	$2,721,000	$65.71	239
2020 Q4	45,972,149	$2,186,047,568	+$28,993,582	$679,000	$3,490,000	$47.55	216
2020 Q3	45,464,953	$1,354,232,723	-$7,799,703	$420,000	$1,384,000	$29.78	185
2020 Q2	45,576,426	$1,552,879,420	-$13,120,294	$2,403,000	$2,567,000	$34.04	195
2020 Q1	46,038,615	$1,366,133,776	+$18,287,996	$620,000	$1,047,000	$29.67	181
2019 Q4	45,223,116	$1,652,500,809	+$1,650,007,342	$205,000	$1,798,000	$36.54	193
2019 Q3	21,999	$715,037	+$703,000			$32.43	6
2019 Q2	369	$12,808				$34.71	1
2019 Q1	369	$11,395				$30.88	1
2018 Q4	369	$10,085				$27.33	1
2018 Q3	369	$13,845				$37.52	1
2018 Q2	369	$13,066				$35.41	1
2018 Q1	369	$9,926				$26.9	1
2017 Q4	369	$9,195				$24.92	1
2017 Q3	369	$10,627				$28.8	1
2017 Q2	369	$9,332				$25.29	1
2017 Q1	369	$11,240				$30.46	1
2016 Q4	369	$9,247				$25.06	1
2016 Q3	369	$8,243				$22.34	1
2016 Q2	369	$7,672				$20.79	1
2016 Q1	369	$5,845				$15.84	1