WESCO INTL INC

Ticker: WCC CUSIP: 95082P105 Class: EQTY

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2025

Shares 46,000 Value ($000) $11,253 Avg Close $244.94 Range $207.05 - $278.58

Q3 2025

Shares 273,265 Value ($000) $57,796 Avg Close $209.31 Range $182.32 - $227.51

Q2 2025

Shares 80,000 Value ($000) $14,816 Avg Close $163.95 Range $124.43 - $187.78

Q1 2025

Shares 855,035 Value ($000) $132,787 Avg Close $177.37 Range $148.23 - $201.06

Q4 2024

Shares 1,365,766 Value ($000) $247,149 Avg Close $187.01 Range $160.54 - $213.74

Q3 2024

Shares 421,884 Value ($000) $70,868 Avg Close $160.18 Range $141.08 - $181.54

Q2 2024

Shares 561,511 Value ($000) $89,011 Avg Close $167.53 Range $148.85 - $188.89

Q1 2024

Shares 307,909 Value ($000) $52,739 Avg Close $162.23 Range $129.90 - $191.78

Q4 2023

Shares 110,087 Value ($000) $19,142 Avg Close $146.77 Range $119.75 - $176.30

Q2 2023

Shares 34,594 Value ($000) $6,194 Avg Close $142.14 Range $118.81 - $175.90

Q1 2023

Shares 213,000 Value ($000) $32,917 Avg Close $145.73 Range $118.15 - $170.13

Q4 2022

Shares 12,016 Value ($000) $1,504 Avg Close $122.40 Range $110.83 - $139.77

Q2 2022

Shares 258,286 Value ($000) $27,662 Avg Close $119.80 Range $97.81 - $140.41

Q1 2022

Shares 153,516 Value ($000) $19,979 Avg Close $121.82 Range $102.53 - $135.13

Q4 2021

Shares 155,480 Value ($000) $20,460 Avg Close $124.32 Range $111.88 - $137.00

Q3 2021

Shares 492,118 Value ($000) $56,751 Avg Close $107.14 Range $91.19 - $117.82

Q2 2021

Shares 600,885 Value ($000) $61,783 Avg Close $96.68 Range $79.88 - $109.95

Q1 2021

Shares 397,276 Value ($000) $34,376 Avg Close $81.82 Range $68.53 - $92.54

Q1 2018

Shares 268,412 Value ($000) $16,655 Avg Close $62.62 Range $57.46 - $67.42

Q4 2017

Shares 627,458 Value ($000) $42,761 Avg Close $60.77 Range $55.66 - $67.42

Q3 2017

Shares 692,970 Value ($000) $40,366 Avg Close $52.27 Range $47.59 - $58.82

Q2 2017

Shares 954,964 Value ($000) $54,719 Avg Close $60.35 Range $52.11 - $68.98

Q1 2017

Shares 310,465 Value ($000) $21,593 Avg Close $68.14 Range $62.46 - $74.03

Q4 2016

Shares 99,200 Value ($000) $6,602 Avg Close $61.73 Range $50.02 - $71.36

Q2 2016

Shares 402,427 Value ($000) $20,721 Avg Close $54.72 Range $49.23 - $60.92

Q4 2015

Shares 11,724 Value ($000) $512 Avg Close $45.31 Range $38.52 - $50.81

Q3 2015

Shares 11,724 Value ($000) $545 Avg Close $56.26 Range $44.20 - $67.63

Q2 2015

Shares 11,724 Value ($000) $805 Avg Close $69.71 Range $64.66 - $72.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	46,000	$11,253	$244.94	$207.05 - $278.58
Q3 2025	273,265	$57,796	$209.31	$182.32 - $227.51
Q2 2025	80,000	$14,816	$163.95	$124.43 - $187.78
Q1 2025	855,035	$132,787	$177.37	$148.23 - $201.06
Q4 2024	1,365,766	$247,149	$187.01	$160.54 - $213.74
Q3 2024	421,884	$70,868	$160.18	$141.08 - $181.54
Q2 2024	561,511	$89,011	$167.53	$148.85 - $188.89
Q1 2024	307,909	$52,739	$162.23	$129.90 - $191.78
Q4 2023	110,087	$19,142	$146.77	$119.75 - $176.30
Q2 2023	34,594	$6,194	$142.14	$118.81 - $175.90
Q1 2023	213,000	$32,917	$145.73	$118.15 - $170.13
Q4 2022	12,016	$1,504	$122.40	$110.83 - $139.77
Q2 2022	258,286	$27,662	$119.80	$97.81 - $140.41
Q1 2022	153,516	$19,979	$121.82	$102.53 - $135.13
Q4 2021	155,480	$20,460	$124.32	$111.88 - $137.00
Q3 2021	492,118	$56,751	$107.14	$91.19 - $117.82
Q2 2021	600,885	$61,783	$96.68	$79.88 - $109.95
Q1 2021	397,276	$34,376	$81.82	$68.53 - $92.54
Q1 2018	268,412	$16,655	$62.62	$57.46 - $67.42
Q4 2017	627,458	$42,761	$60.77	$55.66 - $67.42
Q3 2017	692,970	$40,366	$52.27	$47.59 - $58.82
Q2 2017	954,964	$54,719	$60.35	$52.11 - $68.98
Q1 2017	310,465	$21,593	$68.14	$62.46 - $74.03
Q4 2016	99,200	$6,602	$61.73	$50.02 - $71.36
Q2 2016	402,427	$20,721	$54.72	$49.23 - $60.92
Q4 2015	11,724	$512	$45.31	$38.52 - $50.81
Q3 2015	11,724	$545	$56.26	$44.20 - $67.63
Q2 2015	11,724	$805	$69.71	$64.66 - $72.53