ON SEMICONDUCTOR CORP

Ticker: ON CUSIP: 682189105 Class: EQTY

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 949,369 Value ($000) $51 Avg Close $51.30 Range $44.56 - $57.52

Q3 2025

Shares 734,019 Value ($000) $36 Avg Close $52.63 Range $46.35 - $63.63

Q2 2025

Shares 750,342 Value ($000) $39 Avg Close $43.47 Range $31.04 - $55.01

Q1 2025

Shares 1,502,700 Value ($000) $61 Avg Close $50.33 Range $39.36 - $67.00

Q4 2024

Shares 774,523 Value ($000) $49 Avg Close $68.91 Range $62.78 - $76.06

Q3 2024

Shares 1,486,631 Value ($000) $108 Avg Close $72.80 Range $66.18 - $80.08

Q2 2024

Shares 729,510 Value ($000) $50 Avg Close $70.16 Range $59.34 - $77.22

Q1 2024

Shares 1,013,819 Value ($000) $75 Avg Close $76.54 Range $68.78 - $85.16

Q4 2023

Shares 2,129,852 Value ($000) $178 Avg Close $78.58 Range $61.47 - $95.64

Q3 2023

Shares 4,000,801 Value ($000) $372 Avg Close $97.14 Range $88.63 - $111.35

Q2 2023

Shares 2,624,002 Value ($000) $248 Avg Close $82.71 Range $66.67 - $95.32

Q1 2023

Shares 3,681,038 Value ($000) $303 Avg Close $75.97 Range $59.61 - $87.55

Q4 2022

Shares 1,112,174 Value ($000) $69 Avg Close $66.70 Range $54.93 - $77.28

Q3 2022

Shares 3,309,872 Value ($000) $206,305 Avg Close $64.40 Range $44.76 - $76.78

Q2 2022

Shares 1,146,453 Value ($000) $57,678 Avg Close $55.72 Range $49.35 - $67.19

Q1 2022

Shares 783,405 Value ($000) $49,049 Avg Close $60.97 Range $51.02 - $71.26

Q4 2021

Shares 755,690 Value ($000) $51,326 Avg Close $56.65 Range $41.88 - $70.27

Q3 2021

Shares 733,004 Value ($000) $33,550 Avg Close $42.74 Range $34.01 - $49.78

Q2 2021

Shares 700,453 Value ($000) $26,813 Avg Close $39.26 Range $35.12 - $44.59

Q1 2021

Shares 692,397 Value ($000) $28,811 Avg Close $38.38 Range $32.32 - $42.38

Q4 2020

Shares 679,618 Value ($000) $22,244 Avg Close $27.90 Range $21.91 - $32.93

Q3 2020

Shares 400,105 Value ($000) $8,678 Avg Close $21.22 Range $19.02 - $23.12

Q2 2020

Shares 496,233 Value ($000) $9,835 Avg Close $16.29 Range $10.61 - $21.38

Q1 2020

Shares 427,989 Value ($000) $5,324 Avg Close $19.56 Range $8.17 - $25.92

Q4 2019

Shares 421,056 Value ($000) $10,265 Avg Close $21.12 Range $17.04 - $24.70

Q3 2019

Shares 407,296 Value ($000) $7,824 Avg Close $19.23 Range $16.65 - $22.36

Q2 2019

Shares 444,689 Value ($000) $8,987 Avg Close $20.66 Range $17.31 - $23.54

Q1 2019

Shares 430,475 Value ($000) $8,855 Avg Close $20.63 Range $15.57 - $23.35

Q4 2018

Shares 433,023 Value ($000) $7,149 Avg Close $17.29 Range $14.55 - $20.06

Q3 2018

Shares 407,327 Value ($000) $7,507 Avg Close $21.37 Range $18.06 - $24.31

Q2 2018

Shares 404,112 Value ($000) $8,985 Avg Close $24.17 Range $21.45 - $26.38

Q1 2018

Shares 411,636 Value ($000) $10,069 Avg Close $24.12 Range $20.21 - $27.10

Q4 2017

Shares 443,299 Value ($000) $9,283 Avg Close $20.40 Range $18.52 - $22.15

Q3 2017

Shares 449,700 Value ($000) $8,306 Avg Close $16.09 Range $13.65 - $18.49

Q2 2017

Shares 433,638 Value ($000) $6,088 Avg Close $15.03 Range $13.77 - $16.93

Q1 2017

Shares 436,021 Value ($000) $6,754 Avg Close $14.50 Range $12.37 - $16.06

Q4 2016

Shares 436,741 Value ($000) $5,573 Avg Close $11.94 Range $10.74 - $13.32

Q3 2016

Shares 431,335 Value ($000) $5,314 Avg Close $10.35 Range $8.11 - $12.55

Q2 2016

Shares 499,325 Value ($000) $4,404 Avg Close $9.51 Range $8.21 - $10.15

Q1 2016

Shares 480,658 Value ($000) $4,610 Avg Close $8.56 Range $6.97 - $9.92

Q4 2015

Shares 325,678 Value ($000) $3,192 Avg Close $10.52 Range $9.06 - $11.62

Q3 2015

Shares 271,000 Value ($000) $2,547 Avg Close $10.16 Range $8.40 - $11.86

Q2 2015

Shares 1,498,540 Value ($000) $17,518 Avg Close $12.27 Range $11.08 - $13.50

Q1 2015

Shares 4,848,300 Value ($000) $58,713 Avg Close $11.46 Range $9.65 - $13.31

Q4 2014

Shares 2,108,339 Value ($000) $21,357 Avg Close $8.78 Range $6.76 - $10.44

Q3 2014

Shares 4,197,639 Value ($000) $37,527 Avg Close $9.24 Range $8.32 - $9.94

Q2 2014

Shares 10,453,539 Value ($000) $95,545 Avg Close $9.11 Range $8.22 - $10.07

Q1 2014

Shares 26,537,239 Value ($000) $249,450 Avg Close $8.98 Range $7.82 - $9.75

Q4 2013

Shares 26,003,439 Value ($000) $214,268 Avg Close $7.29 Range $6.80 - $8.35

Q3 2013

Shares 22,191,639 Value ($000) $161,999 Avg Close $7.67 Range $7.16 - $8.50

Q2 2013

Shares 22,491,539 Value ($000) $181,732 Avg Close $8.02 Range $7.18 - $8.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	949,369	$51	$51.30	$44.56 - $57.52
Q3 2025	734,019	$36	$52.63	$46.35 - $63.63
Q2 2025	750,342	$39	$43.47	$31.04 - $55.01
Q1 2025	1,502,700	$61	$50.33	$39.36 - $67.00
Q4 2024	774,523	$49	$68.91	$62.78 - $76.06
Q3 2024	1,486,631	$108	$72.80	$66.18 - $80.08
Q2 2024	729,510	$50	$70.16	$59.34 - $77.22
Q1 2024	1,013,819	$75	$76.54	$68.78 - $85.16
Q4 2023	2,129,852	$178	$78.58	$61.47 - $95.64
Q3 2023	4,000,801	$372	$97.14	$88.63 - $111.35
Q2 2023	2,624,002	$248	$82.71	$66.67 - $95.32
Q1 2023	3,681,038	$303	$75.97	$59.61 - $87.55
Q4 2022	1,112,174	$69	$66.70	$54.93 - $77.28
Q3 2022	3,309,872	$206,305	$64.40	$44.76 - $76.78
Q2 2022	1,146,453	$57,678	$55.72	$49.35 - $67.19
Q1 2022	783,405	$49,049	$60.97	$51.02 - $71.26
Q4 2021	755,690	$51,326	$56.65	$41.88 - $70.27
Q3 2021	733,004	$33,550	$42.74	$34.01 - $49.78
Q2 2021	700,453	$26,813	$39.26	$35.12 - $44.59
Q1 2021	692,397	$28,811	$38.38	$32.32 - $42.38
Q4 2020	679,618	$22,244	$27.90	$21.91 - $32.93
Q3 2020	400,105	$8,678	$21.22	$19.02 - $23.12
Q2 2020	496,233	$9,835	$16.29	$10.61 - $21.38
Q1 2020	427,989	$5,324	$19.56	$8.17 - $25.92
Q4 2019	421,056	$10,265	$21.12	$17.04 - $24.70
Q3 2019	407,296	$7,824	$19.23	$16.65 - $22.36
Q2 2019	444,689	$8,987	$20.66	$17.31 - $23.54
Q1 2019	430,475	$8,855	$20.63	$15.57 - $23.35
Q4 2018	433,023	$7,149	$17.29	$14.55 - $20.06
Q3 2018	407,327	$7,507	$21.37	$18.06 - $24.31
Q2 2018	404,112	$8,985	$24.17	$21.45 - $26.38
Q1 2018	411,636	$10,069	$24.12	$20.21 - $27.10
Q4 2017	443,299	$9,283	$20.40	$18.52 - $22.15
Q3 2017	449,700	$8,306	$16.09	$13.65 - $18.49
Q2 2017	433,638	$6,088	$15.03	$13.77 - $16.93
Q1 2017	436,021	$6,754	$14.50	$12.37 - $16.06
Q4 2016	436,741	$5,573	$11.94	$10.74 - $13.32
Q3 2016	431,335	$5,314	$10.35	$8.11 - $12.55
Q2 2016	499,325	$4,404	$9.51	$8.21 - $10.15
Q1 2016	480,658	$4,610	$8.56	$6.97 - $9.92
Q4 2015	325,678	$3,192	$10.52	$9.06 - $11.62
Q3 2015	271,000	$2,547	$10.16	$8.40 - $11.86
Q2 2015	1,498,540	$17,518	$12.27	$11.08 - $13.50
Q1 2015	4,848,300	$58,713	$11.46	$9.65 - $13.31
Q4 2014	2,108,339	$21,357	$8.78	$6.76 - $10.44
Q3 2014	4,197,639	$37,527	$9.24	$8.32 - $9.94
Q2 2014	10,453,539	$95,545	$9.11	$8.22 - $10.07
Q1 2014	26,537,239	$249,450	$8.98	$7.82 - $9.75
Q4 2013	26,003,439	$214,268	$7.29	$6.80 - $8.35
Q3 2013	22,191,639	$161,999	$7.67	$7.16 - $8.50
Q2 2013	22,491,539	$181,732	$8.02	$7.18 - $8.73