ON SEMICONDUCTOR CORP

Ticker: ON CUSIP: 682189105 Class: EQTY

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 60,436 Value ($000) $3,273 Avg Close $51.30 Range $44.56 - $57.52

Q3 2025

Shares 90,771 Value ($000) $4,476 Avg Close $52.63 Range $46.35 - $63.63

Q2 2025

Shares 74,451 Value ($000) $3,902 Avg Close $43.47 Range $31.04 - $55.01

Q4 2024

Shares 2,540 Value ($000) $160 Avg Close $68.91 Range $62.78 - $76.06

Q2 2024

Shares 8,095 Value ($000) $555 Avg Close $70.16 Range $59.34 - $77.22

Q3 2023

Shares 24,387 Value ($000) $2,267 Avg Close $97.14 Range $88.63 - $111.35

Q2 2023

Shares 19,771 Value ($000) $1,870 Avg Close $82.71 Range $66.67 - $95.32

Q1 2023

Shares 31,014 Value ($000) $2,553 Avg Close $75.97 Range $59.61 - $87.55

Q4 2022

Shares 73,751 Value ($000) $4,600 Avg Close $66.70 Range $54.93 - $77.28

Q3 2022

Shares 64,260 Value ($000) $4,005 Avg Close $64.40 Range $44.76 - $76.78

Q2 2022

Shares 78,542 Value ($000) $3,951 Avg Close $55.72 Range $49.35 - $67.19

Q1 2021

Shares 33,375 Value ($000) $1,389 Avg Close $38.38 Range $32.32 - $42.38

Q2 2020

Shares 33,213 Value ($000) $658 Avg Close $16.29 Range $10.61 - $21.38

Q1 2020

Shares 9,754 Value ($000) $121 Avg Close $19.56 Range $8.17 - $25.92

Q4 2019

Shares 209,411 Value ($000) $5,105 Avg Close $21.12 Range $17.04 - $24.70

Q3 2019

Shares 211,914 Value ($000) $4,071 Avg Close $19.23 Range $16.65 - $22.36

Q2 2019

Shares 47,373 Value ($000) $957 Avg Close $20.66 Range $17.31 - $23.54

Q1 2019

Shares 11,796 Value ($000) $243 Avg Close $20.63 Range $15.57 - $23.35

Q3 2018

Shares 8,012 Value ($000) $148 Avg Close $21.37 Range $18.06 - $24.31

Q3 2017

Shares 39,446 Value ($000) $729 Avg Close $16.09 Range $13.65 - $18.49

Q4 2016

Shares 61,378 Value ($000) $783 Avg Close $11.94 Range $10.74 - $13.32

Q3 2016

Shares 56,350 Value ($000) $694 Avg Close $10.35 Range $8.11 - $12.55

Q2 2016

Shares 199 Value ($000) $2 Avg Close $9.51 Range $8.21 - $10.15

Q4 2015

Shares 2,362 Value ($000) $23 Avg Close $10.52 Range $9.06 - $11.62

Q3 2015

Shares 7,390 Value ($000) $69 Avg Close $10.16 Range $8.40 - $11.86

Q2 2015

Shares 8,607 Value ($000) $101 Avg Close $12.27 Range $11.08 - $13.50

Q1 2015

Shares 3,279 Value ($000) $40 Avg Close $11.46 Range $9.65 - $13.31

Q3 2014

Shares 14,540 Value ($000) $130 Avg Close $9.24 Range $8.32 - $9.94

Q4 2013

Shares 26,905 Value ($000) $222 Avg Close $7.29 Range $6.80 - $8.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	60,436	$3,273	$51.30	$44.56 - $57.52
Q3 2025	90,771	$4,476	$52.63	$46.35 - $63.63
Q2 2025	74,451	$3,902	$43.47	$31.04 - $55.01
Q4 2024	2,540	$160	$68.91	$62.78 - $76.06
Q2 2024	8,095	$555	$70.16	$59.34 - $77.22
Q3 2023	24,387	$2,267	$97.14	$88.63 - $111.35
Q2 2023	19,771	$1,870	$82.71	$66.67 - $95.32
Q1 2023	31,014	$2,553	$75.97	$59.61 - $87.55
Q4 2022	73,751	$4,600	$66.70	$54.93 - $77.28
Q3 2022	64,260	$4,005	$64.40	$44.76 - $76.78
Q2 2022	78,542	$3,951	$55.72	$49.35 - $67.19
Q1 2021	33,375	$1,389	$38.38	$32.32 - $42.38
Q2 2020	33,213	$658	$16.29	$10.61 - $21.38
Q1 2020	9,754	$121	$19.56	$8.17 - $25.92
Q4 2019	209,411	$5,105	$21.12	$17.04 - $24.70
Q3 2019	211,914	$4,071	$19.23	$16.65 - $22.36
Q2 2019	47,373	$957	$20.66	$17.31 - $23.54
Q1 2019	11,796	$243	$20.63	$15.57 - $23.35
Q3 2018	8,012	$148	$21.37	$18.06 - $24.31
Q3 2017	39,446	$729	$16.09	$13.65 - $18.49
Q4 2016	61,378	$783	$11.94	$10.74 - $13.32
Q3 2016	56,350	$694	$10.35	$8.11 - $12.55
Q2 2016	199	$2	$9.51	$8.21 - $10.15
Q4 2015	2,362	$23	$10.52	$9.06 - $11.62
Q3 2015	7,390	$69	$10.16	$8.40 - $11.86
Q2 2015	8,607	$101	$12.27	$11.08 - $13.50
Q1 2015	3,279	$40	$11.46	$9.65 - $13.31
Q3 2014	14,540	$130	$9.24	$8.32 - $9.94
Q4 2013	26,905	$222	$7.29	$6.80 - $8.35