Advanced Drainage Systems, Inc.

Historical 13F Holders

Symbol
WMS
CUSIP
00790R104
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 00790R104 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 8.9% 7/17/2025
Event 6/30/2025
Delaware Charter Guarantee & Trust Co 13G 6.0% 2/13/2026
Event 12/31/2025
Vanguard Capital Management LLC 13G 5.1% 4/29/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 42 303 k $38.3 M
2026 Q2 575 82.8 M $11.3 B
2026 Q1 601 69.7 M $9.55 B
2025 Q4 568 71.7 M $10.4 B
2025 Q3 521 73.1 M $10.1 B
2025 Q2 507 73.0 M $8.38 B
2025 Q1 495 70.1 M $7.62 B
2024 Q4 492 67.6 M $7.82 B
2024 Q3 516 66.5 M $10.4 B
2024 Q2 532 65.9 M $10.5 B
2024 Q1 523 66.1 M $11.3 B
2023 Q4 453 67.1 M $9.43 B
2023 Q3 436 66.5 M $7.56 B
2023 Q2 406 69.4 M $7.84 B
2023 Q1 377 68.5 M $5.76 B
2022 Q4 391 68.0 M $5.58 B
2022 Q3 406 67.6 M $8.41 B
2022 Q2 352 66.1 M $5.95 B
2022 Q1 339 67.4 M $8.01 B
2021 Q4 332 65.2 M $8.87 B
2021 Q3 307 64.5 M $6.98 B
2021 Q2 297 60.2 M $7.01 B
2021 Q1 287 60.5 M $6.25 B
2020 Q4 252 61.6 M $5.32 B
2020 Q3 221 60.5 M $3.77 B
2020 Q2 193 59.7 M $2.95 B
2020 Q1 173 58.5 M $1.72 B
2019 Q4 170 59.4 M $2.29 B
2019 Q3 158 57.9 M $1.86 B
2019 Q2 146 46.4 M $1.51 B
2019 Q1 142 47.2 M $1.21 B
2018 Q4 147 46.9 M $1.13 B
2018 Q3 149 48.4 M $1.50 B
2018 Q2 122 46.0 M $1.31 B
2018 Q1 124 44.9 M $1.16 B
2017 Q4 112 44.8 M $1.07 B
2017 Q3 105 45.1 M $913 M
2017 Q2 103 43.7 M $875 M
2017 Q1 111 44.4 M $973 M
2016 Q4 108 45.8 M $943 M
2016 Q3 103 38.7 M $930 M
2016 Q2 111 39.0 M $1.06 B
2016 Q1 104 37.5 M $799 M
2015 Q4 94 44.6 M $1.07 B
2015 Q3 98 37.6 M $1.09 B
2015 Q2 107 34.1 M $1.00 B
2015 Q1 99 32.0 M $956 M
2014 Q4 95 38.2 M $878 M
2014 Q3 57 13.7 M $286 M