WESCO INTL INC

Ticker: WCC CUSIP: 95082P105 Class: EQTY

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

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

Q4 2025

Shares 68,863 Value ($000) $16,847 Avg Close $244.94 Range $207.05 - $278.58

Q3 2025

Shares 64,381 Value ($000) $13,617 Avg Close $209.31 Range $182.32 - $227.51

Q2 2025

Shares 71,479 Value ($000) $13,238 Avg Close $163.95 Range $124.43 - $187.78

Q1 2025

Shares 75,642 Value ($000) $11,747 Avg Close $177.37 Range $148.23 - $201.06

Q4 2024

Shares 74,709 Value ($000) $13,519 Avg Close $187.01 Range $160.54 - $213.74

Q3 2024

Shares 68,653 Value ($000) $11,532 Avg Close $160.18 Range $141.08 - $181.54

Q2 2024

Shares 70,510 Value ($000) $11,177 Avg Close $167.53 Range $148.85 - $188.89

Q1 2024

Shares 65,918 Value ($000) $11,290 Avg Close $162.23 Range $129.90 - $191.78

Q4 2023

Shares 71,866 Value ($000) $12,496 Avg Close $146.77 Range $119.75 - $176.30

Q3 2023

Shares 62,396 Value ($000) $8,974 Avg Close $157.78 Range $140.60 - $180.93

Q2 2023

Shares 91,022 Value ($000) $16,298 Avg Close $142.14 Range $118.81 - $175.90

Q1 2023

Shares 98,393 Value ($000) $15,206 Avg Close $145.73 Range $118.15 - $170.13

Q4 2022

Shares 120,244 Value ($000) $15,055 Avg Close $122.40 Range $110.83 - $139.77

Q3 2022

Shares 111,575 Value ($000) $13,320 Avg Close $121.63 Range $96.25 - $142.96

Q2 2022

Shares 119,275 Value ($000) $12,774 Avg Close $119.80 Range $97.81 - $140.41

Q1 2022

Shares 97,000 Value ($000) $12,624 Avg Close $121.82 Range $102.53 - $135.13

Q4 2021

Shares 99,400 Value ($000) $13,080 Avg Close $124.32 Range $111.88 - $137.00

Q3 2021

Shares 99,900 Value ($000) $11,520 Avg Close $107.14 Range $91.19 - $117.82

Q2 2021

Shares 93,600 Value ($000) $9,624 Avg Close $96.68 Range $79.88 - $109.95

Q1 2021

Shares 93,600 Value ($000) $8,099 Avg Close $81.82 Range $68.53 - $92.54

Q4 2020

Shares 84,800 Value ($000) $6,657 Avg Close $57.60 Range $38.35 - $77.34

Q3 2020

Shares 68,900 Value ($000) $3,033 Avg Close $41.50 Range $31.15 - $48.48

Q4 2019

Shares 5,989 Value ($000) $356 Avg Close $50.70 Range $42.75 - $59.32

Q3 2019

Shares 5,989 Value ($000) $286 Avg Close $45.76 Range $40.86 - $50.82

Q2 2019

Shares 6,370 Value ($000) $323 Avg Close $50.86 Range $45.12 - $56.33

Q1 2019

Shares 8,771 Value ($000) $465 Avg Close $51.41 Range $45.18 - $55.16

Q4 2018

Shares 9,021 Value ($000) $433 Avg Close $50.47 Range $42.72 - $60.24

Q3 2018

Shares 9,021 Value ($000) $554 Avg Close $58.23 Range $54.39 - $61.44

Q2 2018

Shares 9,211 Value ($000) $526 Avg Close $58.92 Range $53.76 - $62.71

Q1 2018

Shares 9,422 Value ($000) $585 Avg Close $62.62 Range $57.46 - $67.42

Q4 2017

Shares 9,684 Value ($000) $660 Avg Close $60.77 Range $55.66 - $67.42

Q3 2017

Shares 9,920 Value ($000) $578 Avg Close $52.27 Range $47.59 - $58.82

Q2 2017

Shares 9,677 Value ($000) $554 Avg Close $60.35 Range $52.11 - $68.98

Q1 2017

Shares 9,677 Value ($000) $673 Avg Close $68.14 Range $62.46 - $74.03

Q4 2016

Shares 26,381 Value ($000) $1,756 Avg Close $61.73 Range $50.02 - $71.36

Q3 2016

Shares 26,862 Value ($000) $1,652 Avg Close $55.72 Range $48.29 - $62.12

Q2 2016

Shares 27,462 Value ($000) $1,414 Avg Close $54.72 Range $49.23 - $60.92

Q1 2016

Shares 30,872 Value ($000) $1,688 Avg Close $43.22 Range $33.05 - $54.36

Q4 2015

Shares 32,052 Value ($000) $1,400 Avg Close $45.31 Range $38.52 - $50.81

Q3 2015

Shares 32,962 Value ($000) $1,532 Avg Close $56.26 Range $44.20 - $67.63

Q2 2015

Shares 33,952 Value ($000) $2,330 Avg Close $69.71 Range $64.66 - $72.53

Q1 2015

Shares 33,742 Value ($000) $2,358 Avg Close $67.30 Range $63.56 - $75.25

Q4 2014

Shares 34,672 Value ($000) $2,642 Avg Close $76.51 Range $67.05 - $84.50

Q3 2014

Shares 32,712 Value ($000) $2,560 Avg Close $80.41 Range $76.00 - $85.85

Q2 2014

Shares 32,472 Value ($000) $2,805 Avg Close $84.84 Range $81.16 - $90.48

Q1 2014

Shares 31,532 Value ($000) $2,624 Avg Close $83.35 Range $76.34 - $92.11

Q4 2013

Shares 31,492 Value ($000) $2,868 Avg Close $81.07 Range $71.61 - $89.07

Q3 2013

Shares 32,432 Value ($000) $2,482 Avg Close $72.11 Range $63.42 - $78.07

Q2 2013

Shares 34,972 Value ($000) $2,377 Avg Close $69.34 Range $62.47 - $77.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	68,863	$16,847	$244.94	$207.05 - $278.58
Q3 2025	64,381	$13,617	$209.31	$182.32 - $227.51
Q2 2025	71,479	$13,238	$163.95	$124.43 - $187.78
Q1 2025	75,642	$11,747	$177.37	$148.23 - $201.06
Q4 2024	74,709	$13,519	$187.01	$160.54 - $213.74
Q3 2024	68,653	$11,532	$160.18	$141.08 - $181.54
Q2 2024	70,510	$11,177	$167.53	$148.85 - $188.89
Q1 2024	65,918	$11,290	$162.23	$129.90 - $191.78
Q4 2023	71,866	$12,496	$146.77	$119.75 - $176.30
Q3 2023	62,396	$8,974	$157.78	$140.60 - $180.93
Q2 2023	91,022	$16,298	$142.14	$118.81 - $175.90
Q1 2023	98,393	$15,206	$145.73	$118.15 - $170.13
Q4 2022	120,244	$15,055	$122.40	$110.83 - $139.77
Q3 2022	111,575	$13,320	$121.63	$96.25 - $142.96
Q2 2022	119,275	$12,774	$119.80	$97.81 - $140.41
Q1 2022	97,000	$12,624	$121.82	$102.53 - $135.13
Q4 2021	99,400	$13,080	$124.32	$111.88 - $137.00
Q3 2021	99,900	$11,520	$107.14	$91.19 - $117.82
Q2 2021	93,600	$9,624	$96.68	$79.88 - $109.95
Q1 2021	93,600	$8,099	$81.82	$68.53 - $92.54
Q4 2020	84,800	$6,657	$57.60	$38.35 - $77.34
Q3 2020	68,900	$3,033	$41.50	$31.15 - $48.48
Q4 2019	5,989	$356	$50.70	$42.75 - $59.32
Q3 2019	5,989	$286	$45.76	$40.86 - $50.82
Q2 2019	6,370	$323	$50.86	$45.12 - $56.33
Q1 2019	8,771	$465	$51.41	$45.18 - $55.16
Q4 2018	9,021	$433	$50.47	$42.72 - $60.24
Q3 2018	9,021	$554	$58.23	$54.39 - $61.44
Q2 2018	9,211	$526	$58.92	$53.76 - $62.71
Q1 2018	9,422	$585	$62.62	$57.46 - $67.42
Q4 2017	9,684	$660	$60.77	$55.66 - $67.42
Q3 2017	9,920	$578	$52.27	$47.59 - $58.82
Q2 2017	9,677	$554	$60.35	$52.11 - $68.98
Q1 2017	9,677	$673	$68.14	$62.46 - $74.03
Q4 2016	26,381	$1,756	$61.73	$50.02 - $71.36
Q3 2016	26,862	$1,652	$55.72	$48.29 - $62.12
Q2 2016	27,462	$1,414	$54.72	$49.23 - $60.92
Q1 2016	30,872	$1,688	$43.22	$33.05 - $54.36
Q4 2015	32,052	$1,400	$45.31	$38.52 - $50.81
Q3 2015	32,962	$1,532	$56.26	$44.20 - $67.63
Q2 2015	33,952	$2,330	$69.71	$64.66 - $72.53
Q1 2015	33,742	$2,358	$67.30	$63.56 - $75.25
Q4 2014	34,672	$2,642	$76.51	$67.05 - $84.50
Q3 2014	32,712	$2,560	$80.41	$76.00 - $85.85
Q2 2014	32,472	$2,805	$84.84	$81.16 - $90.48
Q1 2014	31,532	$2,624	$83.35	$76.34 - $92.11
Q4 2013	31,492	$2,868	$81.07	$71.61 - $89.07
Q3 2013	32,432	$2,482	$72.11	$63.42 - $78.07
Q2 2013	34,972	$2,377	$69.34	$62.47 - $77.00