Advanced Drainage Systems, Inc.

DUFF & PHELPS INVESTMENT MANAGEMENT CO WMS

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/26/2026

Shares

139,606

Value ($000)

20,219

Weight

0.2%

2022 Q3 - 2025 Q4 (14 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	1/26/2026	20,219	0.2%	139,606	12/31/2025
2025 Q3	11/13/2025	18,941	0.2%	136,558	9/30/2025
2025 Q2	8/11/2025	14,596	0.2%	127,078	6/30/2025
2025 Q1	5/13/2025	16,688	0.2%	153,594	3/31/2025
2024 Q4	2/12/2025	18,429	0.2%	159,424	12/31/2024
2024 Q3	11/15/2024	24,038	0.3%	152,954	9/30/2024
2024 Q2	8/15/2024	19,118	0.2%	119,200	6/30/2024
2024 Q1	5/14/2024	20,531	0.2%	119,200	3/31/2024
2023 Q4	2/5/2024	16,764	0.2%	119,200	12/31/2023
2023 Q3	11/13/2023	14,252	0.2%	125,200	9/30/2023
2023 Q2	8/3/2023	15,952	0.2%	140,200	6/30/2023
2023 Q1	5/10/2023	15,596	0.2%	185,200	3/31/2023
2022 Q4	2/8/2023	11,902	0.1%	145,200	12/31/2022
2022 Q3	11/14/2022	18,059	0.2%	145,200	9/30/2022