ON SEMICONDUCTOR CORP

Ticker: ON CUSIP: 682189105 Class: EQTY

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025

Shares 278,149 Value ($000) $15,062 Avg Close $51.30 Range $44.56 - $57.52

Q3 2025

Shares 352,980 Value ($000) $17,406 Avg Close $52.63 Range $46.35 - $63.63

Q2 2025

Shares 368,685 Value ($000) $19,323 Avg Close $43.47 Range $31.04 - $55.01

Q1 2025

Shares 368,701 Value ($000) $14,967 Avg Close $50.33 Range $39.36 - $67.00

Q4 2024

Shares 361,121 Value ($000) $22,769 Avg Close $68.91 Range $62.78 - $76.06

Q3 2024

Shares 368,573 Value ($000) $26,762 Avg Close $72.80 Range $66.18 - $80.08

Q2 2024

Shares 293,360 Value ($000) $20,110 Avg Close $70.16 Range $59.34 - $77.22

Q1 2024

Shares 299,648 Value ($000) $22,039 Avg Close $76.54 Range $68.78 - $85.16

Q4 2023

Shares 504,472 Value ($000) $42,139 Avg Close $78.58 Range $61.47 - $95.64

Q3 2023

Shares 529,542 Value ($000) $49,221 Avg Close $97.14 Range $88.63 - $111.35

Q2 2023

Shares 533,767 Value ($000) $50,484 Avg Close $82.71 Range $66.67 - $95.32

Q1 2023

Shares 726,411 Value ($000) $59,798 Avg Close $75.97 Range $59.61 - $87.55

Q4 2022

Shares 83,010 Value ($000) $5,177 Avg Close $66.70 Range $54.93 - $77.28

Q3 2022

Shares 4,220 Value ($000) $263 Avg Close $64.40 Range $44.76 - $76.78

Q4 2021

Shares 3,396 Value ($000) $231 Avg Close $56.65 Range $41.88 - $70.27

Q1 2018

Shares 8,830 Value ($000) $216 Avg Close $24.12 Range $20.21 - $27.10

Q4 2017

Shares 12,257 Value ($000) $257 Avg Close $20.40 Range $18.52 - $22.15

Q1 2017

Shares 13,423 Value ($000) $208 Avg Close $14.50 Range $12.37 - $16.06

Q4 2016

Shares 377,233 Value ($000) $4,813 Avg Close $11.94 Range $10.74 - $13.32

Q3 2016

Shares 371,304 Value ($000) $4,574 Avg Close $10.35 Range $8.11 - $12.55

Q2 2016

Shares 462,592 Value ($000) $4,080 Avg Close $9.51 Range $8.21 - $10.15

Q1 2016

Shares 450,953 Value ($000) $4,325 Avg Close $8.56 Range $6.97 - $9.92

Q4 2015

Shares 303,201 Value ($000) $2,971 Avg Close $10.52 Range $9.06 - $11.62

Q2 2015

Shares 10,209 Value ($000) $119 Avg Close $12.27 Range $11.08 - $13.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	278,149	$15,062	$51.30	$44.56 - $57.52
Q3 2025	352,980	$17,406	$52.63	$46.35 - $63.63
Q2 2025	368,685	$19,323	$43.47	$31.04 - $55.01
Q1 2025	368,701	$14,967	$50.33	$39.36 - $67.00
Q4 2024	361,121	$22,769	$68.91	$62.78 - $76.06
Q3 2024	368,573	$26,762	$72.80	$66.18 - $80.08
Q2 2024	293,360	$20,110	$70.16	$59.34 - $77.22
Q1 2024	299,648	$22,039	$76.54	$68.78 - $85.16
Q4 2023	504,472	$42,139	$78.58	$61.47 - $95.64
Q3 2023	529,542	$49,221	$97.14	$88.63 - $111.35
Q2 2023	533,767	$50,484	$82.71	$66.67 - $95.32
Q1 2023	726,411	$59,798	$75.97	$59.61 - $87.55
Q4 2022	83,010	$5,177	$66.70	$54.93 - $77.28
Q3 2022	4,220	$263	$64.40	$44.76 - $76.78
Q4 2021	3,396	$231	$56.65	$41.88 - $70.27
Q1 2018	8,830	$216	$24.12	$20.21 - $27.10
Q4 2017	12,257	$257	$20.40	$18.52 - $22.15
Q1 2017	13,423	$208	$14.50	$12.37 - $16.06
Q4 2016	377,233	$4,813	$11.94	$10.74 - $13.32
Q3 2016	371,304	$4,574	$10.35	$8.11 - $12.55
Q2 2016	462,592	$4,080	$9.51	$8.21 - $10.15
Q1 2016	450,953	$4,325	$8.56	$6.97 - $9.92
Q4 2015	303,201	$2,971	$10.52	$9.06 - $11.62
Q2 2015	10,209	$119	$12.27	$11.08 - $13.50