WASTE CONNECTIONS INC

Ticker: WCN CUSIP: 94106B101 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025

Shares 78,181 Value ($000) $13,710 Avg Close $172.81 Range $163.27 - $179.74

Q3 2025

Shares 85,467 Value ($000) $15,025 Avg Close $181.87 Range $170.64 - $191.59

Q2 2025

Shares 87,248 Value ($000) $16,291 Avg Close $192.18 Range $180.53 - $201.00

Q1 2025

Shares 80,799 Value ($000) $15,771 Avg Close $184.28 Range $168.52 - $195.00

Q4 2024

Shares 81,747 Value ($000) $14,026 Avg Close $180.68 Range $168.78 - $193.87

Q3 2024

Shares 83,372 Value ($000) $14,909 Avg Close $179.61 Range $171.38 - $186.29

Q2 2024

Shares 81,897 Value ($000) $14,361 Avg Close $165.63 Range $159.01 - $175.78

Q1 2024

Shares 79,899 Value ($000) $13,744 Avg Close $158.95 Range $143.66 - $171.30

Q4 2023

Shares 82,012 Value ($000) $12,242 Avg Close $135.64 Range $124.38 - $148.14

Q3 2023

Shares 78,128 Value ($000) $10,493 Avg Close $137.83 Range $132.25 - $143.59

Q2 2023

Shares 75,426 Value ($000) $10,781 Avg Close $137.25 Range $130.06 - $143.23

Q1 2023

Shares 73,163 Value ($000) $10,175 Avg Close $130.65 Range $123.42 - $138.09

Q4 2022

Shares 68,595 Value ($000) $9,093 Avg Close $133.29 Range $121.62 - $143.32

Q3 2022

Shares 49,886 Value ($000) $6,741 Avg Close $133.39 Range $118.46 - $145.09

Q2 2022

Shares 42,672 Value ($000) $5,290 Avg Close $126.61 Range $110.94 - $142.07

Q1 2022

Shares 40,524 Value ($000) $5,661 Avg Close $124.86 Range $112.72 - $137.78

Q4 2021

Shares 30,051 Value ($000) $4,095 Avg Close $129.36 Range $120.12 - $135.19

Q3 2021

Shares 22,866 Value ($000) $2,880 Avg Close $122.85 Range $114.53 - $129.77

Q2 2021

Shares 22,425 Value ($000) $2,678 Avg Close $115.43 Range $104.55 - $121.08

Q1 2021

Shares 22,435 Value ($000) $2,423 Avg Close $98.29 Range $93.82 - $105.00

Q4 2020

Shares 33,174 Value ($000) $3,403 Avg Close $99.79 Range $94.52 - $107.37

Q3 2020

Shares 31,845 Value ($000) $3,306 Avg Close $96.45 Range $87.86 - $102.18

Q2 2020

Shares 31,858 Value ($000) $2,988 Avg Close $85.80 Range $70.45 - $94.76

Q1 2020

Shares 31,530 Value ($000) $2,444 Avg Close $90.25 Range $68.12 - $100.91

Q4 2019

Shares 31,412 Value ($000) $2,852 Avg Close $87.05 Range $84.67 - $90.48

Q3 2019

Shares 30,174 Value ($000) $2,776 Avg Close $88.46 Range $84.08 - $93.61

Q2 2019

Shares 29,994 Value ($000) $2,867 Avg Close $88.03 Range $81.55 - $91.90

Q1 2019

Shares 14,351 Value ($000) $1,271 Avg Close $78.56 Range $69.59 - $85.10

Q4 2018

Shares 3,747 Value ($000) $278 Avg Close $72.43 Range $66.93 - $76.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	78,181	$13,710	$172.81	$163.27 - $179.74
Q3 2025	85,467	$15,025	$181.87	$170.64 - $191.59
Q2 2025	87,248	$16,291	$192.18	$180.53 - $201.00
Q1 2025	80,799	$15,771	$184.28	$168.52 - $195.00
Q4 2024	81,747	$14,026	$180.68	$168.78 - $193.87
Q3 2024	83,372	$14,909	$179.61	$171.38 - $186.29
Q2 2024	81,897	$14,361	$165.63	$159.01 - $175.78
Q1 2024	79,899	$13,744	$158.95	$143.66 - $171.30
Q4 2023	82,012	$12,242	$135.64	$124.38 - $148.14
Q3 2023	78,128	$10,493	$137.83	$132.25 - $143.59
Q2 2023	75,426	$10,781	$137.25	$130.06 - $143.23
Q1 2023	73,163	$10,175	$130.65	$123.42 - $138.09
Q4 2022	68,595	$9,093	$133.29	$121.62 - $143.32
Q3 2022	49,886	$6,741	$133.39	$118.46 - $145.09
Q2 2022	42,672	$5,290	$126.61	$110.94 - $142.07
Q1 2022	40,524	$5,661	$124.86	$112.72 - $137.78
Q4 2021	30,051	$4,095	$129.36	$120.12 - $135.19
Q3 2021	22,866	$2,880	$122.85	$114.53 - $129.77
Q2 2021	22,425	$2,678	$115.43	$104.55 - $121.08
Q1 2021	22,435	$2,423	$98.29	$93.82 - $105.00
Q4 2020	33,174	$3,403	$99.79	$94.52 - $107.37
Q3 2020	31,845	$3,306	$96.45	$87.86 - $102.18
Q2 2020	31,858	$2,988	$85.80	$70.45 - $94.76
Q1 2020	31,530	$2,444	$90.25	$68.12 - $100.91
Q4 2019	31,412	$2,852	$87.05	$84.67 - $90.48
Q3 2019	30,174	$2,776	$88.46	$84.08 - $93.61
Q2 2019	29,994	$2,867	$88.03	$81.55 - $91.90
Q1 2019	14,351	$1,271	$78.56	$69.59 - $85.10
Q4 2018	3,747	$278	$72.43	$66.93 - $76.54