WASTE CONNECTIONS INC

Ticker: WCN CUSIP: 94106B101 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 340,628 Value ($000) $59,733 Avg Close $172.81 Range $163.27 - $179.74

Q3 2025

Shares 268,326 Value ($000) $47,172 Avg Close $181.87 Range $170.64 - $191.59

Q2 2025

Shares 236,220 Value ($000) $44,107 Avg Close $192.18 Range $180.53 - $201.00

Q1 2025

Shares 15,361 Value ($000) $2,998 Avg Close $184.28 Range $168.52 - $195.00

Q4 2024

Shares 65,321 Value ($000) $11,208 Avg Close $180.68 Range $168.78 - $193.87

Q3 2024

Shares 15,712 Value ($000) $2,810 Avg Close $179.61 Range $171.38 - $186.29

Q2 2024

Shares 169,681 Value ($000) $29,755 Avg Close $165.63 Range $159.01 - $175.78

Q1 2024

Shares 15,952 Value ($000) $2,744 Avg Close $158.95 Range $143.66 - $171.30

Q4 2023

Shares 23,452 Value ($000) $3,501 Avg Close $135.64 Range $124.38 - $148.14

Q3 2023

Shares 54,144 Value ($000) $7,272 Avg Close $137.83 Range $132.25 - $143.59

Q2 2023

Shares 23,567 Value ($000) $3,368 Avg Close $137.25 Range $130.06 - $143.23

Q1 2023

Shares 107,477 Value ($000) $14,947 Avg Close $130.65 Range $123.42 - $138.09

Q4 2022

Shares 65,462 Value ($000) $8,678 Avg Close $133.29 Range $121.62 - $143.32

Q1 2022

Shares 13,676 Value ($000) $1,910 Avg Close $124.86 Range $112.72 - $137.78

Q4 2021

Shares 224,793 Value ($000) $30,635 Avg Close $129.36 Range $120.12 - $135.19

Q3 2021

Shares 16,992 Value ($000) $2,140 Avg Close $122.85 Range $114.53 - $129.77

Q1 2021

Shares 36,098 Value ($000) $3,898 Avg Close $98.29 Range $93.82 - $105.00

Q4 2020

Shares 7,831 Value ($000) $803 Avg Close $99.79 Range $94.52 - $107.37

Q1 2020

Shares 763 Value ($000) $59 Avg Close $90.25 Range $68.12 - $100.91

Q4 2019

Shares 173,881 Value ($000) $15,789 Avg Close $87.05 Range $84.67 - $90.48

Q3 2019

Shares 21,860 Value ($000) $2,010 Avg Close $88.46 Range $84.08 - $93.61

Q1 2019

Shares 5,381 Value ($000) $477 Avg Close $78.56 Range $69.59 - $85.10

Q3 2018

Shares 12,689 Value ($000) $1,012 Avg Close $74.62 Range $70.27 - $77.32

Q2 2018

Shares 34,900 Value ($000) $2,627 Avg Close $70.99 Range $67.32 - $74.59

Q1 2018

Shares 8,027 Value ($000) $576 Avg Close $67.40 Range $61.60 - $70.76

Q4 2017

Shares 11,968 Value ($000) $849 Avg Close $66.07 Range $64.44 - $70.11

Q4 2016

Shares 147,666 Value ($000) $11,605 Avg Close $47.42 Range $44.80 - $50.04

Q3 2016

Shares 32,977 Value ($000) $2,463 Avg Close $47.22 Range $44.46 - $49.80

Q2 2016

Shares 124,503 Value ($000) $8,970 Avg Close $42.53 Range $37.28 - $46.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	340,628	$59,733	$172.81	$163.27 - $179.74
Q3 2025	268,326	$47,172	$181.87	$170.64 - $191.59
Q2 2025	236,220	$44,107	$192.18	$180.53 - $201.00
Q1 2025	15,361	$2,998	$184.28	$168.52 - $195.00
Q4 2024	65,321	$11,208	$180.68	$168.78 - $193.87
Q3 2024	15,712	$2,810	$179.61	$171.38 - $186.29
Q2 2024	169,681	$29,755	$165.63	$159.01 - $175.78
Q1 2024	15,952	$2,744	$158.95	$143.66 - $171.30
Q4 2023	23,452	$3,501	$135.64	$124.38 - $148.14
Q3 2023	54,144	$7,272	$137.83	$132.25 - $143.59
Q2 2023	23,567	$3,368	$137.25	$130.06 - $143.23
Q1 2023	107,477	$14,947	$130.65	$123.42 - $138.09
Q4 2022	65,462	$8,678	$133.29	$121.62 - $143.32
Q1 2022	13,676	$1,910	$124.86	$112.72 - $137.78
Q4 2021	224,793	$30,635	$129.36	$120.12 - $135.19
Q3 2021	16,992	$2,140	$122.85	$114.53 - $129.77
Q1 2021	36,098	$3,898	$98.29	$93.82 - $105.00
Q4 2020	7,831	$803	$99.79	$94.52 - $107.37
Q1 2020	763	$59	$90.25	$68.12 - $100.91
Q4 2019	173,881	$15,789	$87.05	$84.67 - $90.48
Q3 2019	21,860	$2,010	$88.46	$84.08 - $93.61
Q1 2019	5,381	$477	$78.56	$69.59 - $85.10
Q3 2018	12,689	$1,012	$74.62	$70.27 - $77.32
Q2 2018	34,900	$2,627	$70.99	$67.32 - $74.59
Q1 2018	8,027	$576	$67.40	$61.60 - $70.76
Q4 2017	11,968	$849	$66.07	$64.44 - $70.11
Q4 2016	147,666	$11,605	$47.42	$44.80 - $50.04
Q3 2016	32,977	$2,463	$47.22	$44.46 - $49.80
Q2 2016	124,503	$8,970	$42.53	$37.28 - $46.28