Simplex Trading’s Onto Innovation ONTO Stock Holding History

Simplex Trading’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 Q1	$902K	Buy	4,400 +4,100	+1,367%	+$839K	﹤0.01%	2615
2025 Q4	$47.4K	Sell	300 -3,200	-91%	-$454K	﹤0.01%	5704
2025 Q3	$452K	Sell	3,500 -1,900	-35%	-$203K	﹤0.01%	3954
2025 Q2	$545K	Sell	5,400 -1,200	-18%	-$128K	﹤0.01%	3417
2025 Q1	$800K	Buy	6,600 +3,000	+83%	+$505K	﹤0.01%	2922
2024 Q4	$600K	Buy	3,600 +1,100	+44%	+$201K	﹤0.01%	3336
2024 Q3	$518K	Buy	2,500 +700	+39%	+$141K	﹤0.01%	3551
2024 Q2	$395K	Sell	1,800 -100	-5%	-$20.7K	﹤0.01%	3903
2024 Q1	$344K	Hold	1,900	–	–	﹤0.01%	4238
2023 Q4	$290K	Sell	1,900 -200	-10%	-$26.9K	﹤0.01%	4265
2023 Q3	$267K	Buy	+2,100	New	+$250K	﹤0.01%	4054
2023 Q2	–	Sell	-100	Closed	-$8K	–	9653
2023 Q1	$8K	Sell	100 -400	-80%	-$32.4K	﹤0.01%	7737
2022 Q4	$34K	Sell	500 -2,100	-81%	-$151K	﹤0.01%	6309
2022 Q3	$166K	Buy	2,600 +1,900	+271%	+$140K	﹤0.01%	4866
2022 Q2	$48K	Buy	700 +300	+75%	+$22.2K	﹤0.01%	6552
2022 Q1	$34K	Sell	400 -1,500	-79%	-$133K	﹤0.01%	7632
2021 Q4	$192K	Buy	1,900 +1,800	+1,800%	+$155K	﹤0.01%	5259
2021 Q3	$7K	Hold	100	–	–	﹤0.01%	9124
2021 Q2	$7K	Buy	100 +94	+1,567%	+$6.46K	﹤0.01%	9292
2021 Q1	$39K	Buy	6 +4	+200%	+$238	﹤0.01%	6882
2020 Q4	$9K	Sell	2 -179	-99%	-$7.17K	﹤0.01%	7474
2020 Q3	$539K	Buy	181 +154	+570%	+$5.11K	﹤0.01%	2900
2020 Q2	$91K	Buy	27 +26	+2,600%	+$845	﹤0.01%	4884
2020 Q1	$2K	Sell	1 -9	-90%	-$308	﹤0.01%	7212
2019 Q4	$36K	Sell	10 -25	-71%	-$849	﹤0.01%	5492
2019 Q3	$114K	Buy	35 +33	+1,650%	+$1.03K	﹤0.01%	4183
2019 Q2	$6K	Sell	2 -19	-90%	-$607	﹤0.01%	6368
2019 Q1	$64K	Sell	21 -88	-81%	-$2.59K	﹤0.01%	4803
2018 Q4	$297K	Sell	109 -133	-55%	-$4.1K	﹤0.01%	2731
2018 Q3	$907K	Buy	242 +217	+868%	+$8.53K	﹤0.01%	1993
2018 Q2	$88K	Sell	25 -25	-50%	-$856	﹤0.01%	4437
2018 Q1	$3K	Buy	+50	New	+$1.34K	﹤0.01%	5022
2017 Q4	–	Sell	-26	Closed	-$2K	–	6475
2017 Q3	$2K	Sell	26 -17	-40%	-$447	﹤0.01%	5120
2017 Q2	$11K	Sell	43 -4	-9%	-$113	﹤0.01%	3901
2017 Q1	$5K	Buy	+47	New	+$1.27K	﹤0.01%	4609
2016 Q3	–	Sell	-97	Closed	-$1K	–	6275
2016 Q2	$1K	Hold	97	–	–	﹤0.01%	5382
2016 Q1	$4K	Buy	+97	New	+$1.36K	﹤0.01%	4283
2015 Q3	–	Sell	-3	Closed	-$2K	–	5996
2015 Q2	$2K	Sell	3 -10	-77%	-$156	﹤0.01%	4319
2015 Q1	$8K	Buy	+13	New	+$223	﹤0.01%	3131

Other funds holding ONTO

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Simplex Trading's ONTO Position: Q1 2025 in Review

Simplex Trading sold out of Onto Innovation (ONTO) in Q1 2025, closing a stake of 503 shares — an estimated $84.7K sold.

Simplex Trading first reported a position in ONTO in Q1 2015 and held it in 19 quarters. The position peaked at $363K in Q3 2018. 475 funds tracked by Wall St. Rank hold ONTO as of Q1 2025.

Simplex Trading reported no remaining Onto Innovation position as of Q1 2025 after selling out during the quarter.
Simplex Trading sold 503 Onto Innovation shares in Q1 2025, an estimated $84.7K.
Simplex Trading first reported a position in Onto Innovation in Q1 2015 and held it in 19 quarters.
Simplex Trading's Onto Innovation position peaked at $363K in Q3 2018.
475 funds tracked by Wall St. Rank held Onto Innovation as of Q1 2025.

Based on Simplex Trading's 13F filing for Q1 2025, filed 12 May 2025.