ON SEMICONDUCTOR CORP

Ticker: ON CUSIP: 682189105 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 225,671 Value ($000) $12,220 Avg Close $51.30 Range $44.56 - $57.52

Q3 2025

Shares 233,336 Value ($000) $11,506 Avg Close $52.63 Range $46.35 - $63.63

Q2 2025

Shares 290,417 Value ($000) $15,221 Avg Close $43.47 Range $31.04 - $55.01

Q1 2025

Shares 283,254 Value ($000) $11,526 Avg Close $50.33 Range $39.36 - $67.00

Q4 2024

Shares 235,424 Value ($000) $14,843 Avg Close $68.91 Range $62.78 - $76.06

Q3 2024

Shares 256,820 Value ($000) $18,648 Avg Close $72.80 Range $66.18 - $80.08

Q2 2024

Shares 241,361 Value ($000) $16,545 Avg Close $70.16 Range $59.34 - $77.22

Q1 2024

Shares 293,411 Value ($000) $21,580 Avg Close $76.54 Range $68.78 - $85.16

Q4 2023

Shares 264,205 Value ($000) $22,069 Avg Close $78.58 Range $61.47 - $95.64

Q3 2023

Shares 258,841 Value ($000) $24,059 Avg Close $97.14 Range $88.63 - $111.35

Q2 2023

Shares 639,073 Value ($000) $60,444 Avg Close $82.71 Range $66.67 - $95.32

Q1 2023

Shares 793,900 Value ($000) $65,354 Avg Close $75.97 Range $59.61 - $87.55

Q4 2022

Shares 781,622 Value ($000) $48,750 Avg Close $66.70 Range $54.93 - $77.28

Q3 2022

Shares 669,336 Value ($000) $41,720 Avg Close $64.40 Range $44.76 - $76.78

Q2 2022

Shares 444,300 Value ($000) $22,353 Avg Close $55.72 Range $49.35 - $67.19

Q1 2022

Shares 233,473 Value ($000) $14,618 Avg Close $60.97 Range $51.02 - $71.26

Q4 2021

Shares 220,145 Value ($000) $14,952 Avg Close $56.65 Range $41.88 - $70.27

Q3 2021

Shares 210,725 Value ($000) $9,645 Avg Close $42.74 Range $34.01 - $49.78

Q2 2021

Shares 185,652 Value ($000) $7,107 Avg Close $39.26 Range $35.12 - $44.59

Q1 2021

Shares 190,078 Value ($000) $7,909 Avg Close $38.38 Range $32.32 - $42.38

Q4 2020

Shares 196,296 Value ($000) $6,425 Avg Close $27.90 Range $21.91 - $32.93

Q3 2020

Shares 215,596 Value ($000) $4,676 Avg Close $21.22 Range $19.02 - $23.12

Q2 2020

Shares 215,056 Value ($000) $4,262 Avg Close $16.29 Range $10.61 - $21.38

Q1 2020

Shares 198,636 Value ($000) $2,471 Avg Close $19.56 Range $8.17 - $25.92

Q4 2019

Shares 1,290,948 Value ($000) $31,473 Avg Close $21.12 Range $17.04 - $24.70

Q3 2019

Shares 719,768 Value ($000) $13,827 Avg Close $19.23 Range $16.65 - $22.36

Q2 2019

Shares 314,605 Value ($000) $6,358 Avg Close $20.66 Range $17.31 - $23.54

Q1 2019

Shares 384,532 Value ($000) $7,910 Avg Close $20.63 Range $15.57 - $23.35

Q4 2018

Shares 443,442 Value ($000) $7,321 Avg Close $17.29 Range $14.55 - $20.06

Q3 2018

Shares 401,152 Value ($000) $7,393 Avg Close $21.37 Range $18.06 - $24.31

Q2 2018

Shares 480,599 Value ($000) $10,686 Avg Close $24.17 Range $21.45 - $26.38

Q1 2018

Shares 83,587 Value ($000) $2,045 Avg Close $24.12 Range $20.21 - $27.10

Q4 2017

Shares 85,675 Value ($000) $1,794 Avg Close $20.40 Range $18.52 - $22.15

Q3 2017

Shares 84,966 Value ($000) $1,569 Avg Close $16.09 Range $13.65 - $18.49

Q2 2017

Shares 83,195 Value ($000) $1,168 Avg Close $15.03 Range $13.77 - $16.93

Q1 2017

Shares 82,395 Value ($000) $1,276 Avg Close $14.50 Range $12.37 - $16.06

Q4 2016

Shares 224,740 Value ($000) $2,868 Avg Close $11.94 Range $10.74 - $13.32

Q3 2016

Shares 263,836 Value ($000) $3,250 Avg Close $10.35 Range $8.11 - $12.55

Q2 2016

Shares 268,736 Value ($000) $2,370 Avg Close $9.51 Range $8.21 - $10.15

Q1 2016

Shares 299,336 Value ($000) $2,871 Avg Close $8.56 Range $6.97 - $9.92

Q4 2015

Shares 311,236 Value ($000) $3,050 Avg Close $10.52 Range $9.06 - $11.62

Q3 2015

Shares 320,496 Value ($000) $3,013 Avg Close $10.16 Range $8.40 - $11.86

Q2 2015

Shares 329,356 Value ($000) $3,850 Avg Close $12.27 Range $11.08 - $13.50

Q1 2015

Shares 334,846 Value ($000) $4,055 Avg Close $11.46 Range $9.65 - $13.31

Q4 2014

Shares 344,016 Value ($000) $3,485 Avg Close $8.78 Range $6.76 - $10.44

Q3 2014

Shares 324,386 Value ($000) $2,900 Avg Close $9.24 Range $8.32 - $9.94

Q2 2014

Shares 322,206 Value ($000) $2,945 Avg Close $9.11 Range $8.22 - $10.07

Q1 2014

Shares 322,206 Value ($000) $3,029 Avg Close $8.98 Range $7.82 - $9.75

Q4 2013

Shares 321,736 Value ($000) $2,651 Avg Close $7.29 Range $6.80 - $8.35

Q3 2013

Shares 331,436 Value ($000) $2,419 Avg Close $7.67 Range $7.16 - $8.50

Q2 2013

Shares 357,136 Value ($000) $2,886 Avg Close $8.02 Range $7.18 - $8.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	225,671	$12,220	$51.30	$44.56 - $57.52
Q3 2025	233,336	$11,506	$52.63	$46.35 - $63.63
Q2 2025	290,417	$15,221	$43.47	$31.04 - $55.01
Q1 2025	283,254	$11,526	$50.33	$39.36 - $67.00
Q4 2024	235,424	$14,843	$68.91	$62.78 - $76.06
Q3 2024	256,820	$18,648	$72.80	$66.18 - $80.08
Q2 2024	241,361	$16,545	$70.16	$59.34 - $77.22
Q1 2024	293,411	$21,580	$76.54	$68.78 - $85.16
Q4 2023	264,205	$22,069	$78.58	$61.47 - $95.64
Q3 2023	258,841	$24,059	$97.14	$88.63 - $111.35
Q2 2023	639,073	$60,444	$82.71	$66.67 - $95.32
Q1 2023	793,900	$65,354	$75.97	$59.61 - $87.55
Q4 2022	781,622	$48,750	$66.70	$54.93 - $77.28
Q3 2022	669,336	$41,720	$64.40	$44.76 - $76.78
Q2 2022	444,300	$22,353	$55.72	$49.35 - $67.19
Q1 2022	233,473	$14,618	$60.97	$51.02 - $71.26
Q4 2021	220,145	$14,952	$56.65	$41.88 - $70.27
Q3 2021	210,725	$9,645	$42.74	$34.01 - $49.78
Q2 2021	185,652	$7,107	$39.26	$35.12 - $44.59
Q1 2021	190,078	$7,909	$38.38	$32.32 - $42.38
Q4 2020	196,296	$6,425	$27.90	$21.91 - $32.93
Q3 2020	215,596	$4,676	$21.22	$19.02 - $23.12
Q2 2020	215,056	$4,262	$16.29	$10.61 - $21.38
Q1 2020	198,636	$2,471	$19.56	$8.17 - $25.92
Q4 2019	1,290,948	$31,473	$21.12	$17.04 - $24.70
Q3 2019	719,768	$13,827	$19.23	$16.65 - $22.36
Q2 2019	314,605	$6,358	$20.66	$17.31 - $23.54
Q1 2019	384,532	$7,910	$20.63	$15.57 - $23.35
Q4 2018	443,442	$7,321	$17.29	$14.55 - $20.06
Q3 2018	401,152	$7,393	$21.37	$18.06 - $24.31
Q2 2018	480,599	$10,686	$24.17	$21.45 - $26.38
Q1 2018	83,587	$2,045	$24.12	$20.21 - $27.10
Q4 2017	85,675	$1,794	$20.40	$18.52 - $22.15
Q3 2017	84,966	$1,569	$16.09	$13.65 - $18.49
Q2 2017	83,195	$1,168	$15.03	$13.77 - $16.93
Q1 2017	82,395	$1,276	$14.50	$12.37 - $16.06
Q4 2016	224,740	$2,868	$11.94	$10.74 - $13.32
Q3 2016	263,836	$3,250	$10.35	$8.11 - $12.55
Q2 2016	268,736	$2,370	$9.51	$8.21 - $10.15
Q1 2016	299,336	$2,871	$8.56	$6.97 - $9.92
Q4 2015	311,236	$3,050	$10.52	$9.06 - $11.62
Q3 2015	320,496	$3,013	$10.16	$8.40 - $11.86
Q2 2015	329,356	$3,850	$12.27	$11.08 - $13.50
Q1 2015	334,846	$4,055	$11.46	$9.65 - $13.31
Q4 2014	344,016	$3,485	$8.78	$6.76 - $10.44
Q3 2014	324,386	$2,900	$9.24	$8.32 - $9.94
Q2 2014	322,206	$2,945	$9.11	$8.22 - $10.07
Q1 2014	322,206	$3,029	$8.98	$7.82 - $9.75
Q4 2013	321,736	$2,651	$7.29	$6.80 - $8.35
Q3 2013	331,436	$2,419	$7.67	$7.16 - $8.50
Q2 2013	357,136	$2,886	$8.02	$7.18 - $8.73