Advanced Drainage Systems, Inc.

CANADA PENSION PLAN INVESTMENT BOARD WMS

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

499,783

Value ($000)

72,384

Weight

0.0%

2020 Q1 - 2025 Q4 (22 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/17/2026	72,384	0.0%	499,783	12/31/2025
2025 Q3	11/13/2025	77,866	0.1%	561,400	9/30/2025
2025 Q2	8/14/2025	79,725	0.1%	694,104	6/30/2025
2025 Q1	5/15/2025	95,689	0.1%	880,711	3/31/2025
2024 Q4	2/13/2025	100,586	0.1%	870,120	12/31/2024
2024 Q3	11/14/2024	135,666	0.1%	863,232	9/30/2024
2024 Q2	8/12/2024	141,498	0.1%	882,213	6/30/2024
2024 Q1	5/14/2024	200,210	0.2%	1,162,388	3/31/2024
2023 Q4	2/14/2024	162,902	0.2%	1,158,288	12/31/2023
2023 Q3	11/9/2023	146,987	0.2%	1,291,288	9/30/2023
2023 Q2	8/9/2023	163,967	0.2%	1,441,091	6/30/2023
2023 Q1	5/15/2023	122,373	0.2%	1,453,191	3/31/2023
2022 Q4	2/14/2023	162,495	0.3%	1,982,376	12/31/2022
2022 Q3	11/14/2022	396,646	0.7%	3,189,240	9/30/2022
2022 Q2	8/12/2022	287,255	0.5%	3,189,240	6/30/2022
2022 Q1	5/13/2022	378,914	0.5%	3,189,240	3/31/2022
2021 Q4	2/14/2022	434,151	0.5%	3,189,240	12/31/2021
2021 Q3	11/15/2021	349,199	0.4%	3,228,240	9/30/2021
2021 Q2	11/16/2021	13,359	0.0%	114,600	6/30/2021
2020 Q3	11/12/2020	13,724	0.0%	219,800	9/30/2020
2020 Q2	8/14/2020	8,220	0.0%	166,400	6/30/2020
2020 Q1	5/13/2020	2,163	0.0%	73,470	3/31/2020