WMS

Advanced Drainage Systems, Inc. WMS

Individual Beneficiary

Name of reporting person Citizenship or organization Sole voting power Shared voting power Sole dispositive power Shared dispositive power Amount beneficially owned Percent of class Accepted date
Vanguard Capital Management PENNSYLVANIA 0 0 0 0 3979172 5.1 % 29/04/2026
The Vanguard Group PENNSYLVANIA 0 0 0 0 0 0 % 26/03/2026
Advanced Drainage Systems Inc. Employee Stock Ownership Plan Trust DELAWARE 4629213 4629213 4629213 0 4629213 6 % 13/02/2026
BlackRock, Inc. DELAWARE 0 0 0 0 6885292 8.9 % 17/07/2025
(1) BlackRock, Inc. Delaware 6722223 0 6986316 0 6986316 9 % 25/01/2024
Delaware Charter Guarantee & Trust Company dba Principal Trust Company as Directed Trustee for the A 5. 0 8772952 0 8772952 8772952 10.8 % 07/02/2023
Chlapaty USA 3127581 500 3127581 500 3128081 4.3 % 14/02/2022
The Vanguard Group - 23-1945930 Pennsylvania 0 34730 4677962 83081 4761043 6.68 % 09/02/2022
Berkshire Investors III LLC Massachusetts 0 63995 0 10 63995 0.1 % 16/12/2021
Stockbridge Absolute Return Fund, L.P. Delaware 0 6154 0 10 6154 0.1 % 16/12/2021
Stockbridge Partners LLC Delaware 0 2535061 0 10 2535061 3.6 % 16/12/2021
Berkshire Partners Holdings LLC Delaware 0 6493367 0 10 6493367 9.1 % 16/12/2021
BPSP, L.P. Delaware 0 6493367 0 10 6493367 9.1 % 16/12/2021
Berkshire Fund IX, L.P. Delaware 0 2718554 0 10 2718554 3.8 % 16/12/2021
Berkshire Fund IX-A, L.P. Delaware 0 1113650 0 10 1113650 1.6 % 16/12/2021
Stockbridge Fund, L.P. Delaware 0 2256521 0 10 2256521 3.2 % 16/12/2021
Berkshire Investors IV LLC Delaware 0 62107 0 10 62107 0.1 % 16/12/2021
Berkshire Partners LLC Massachusetts 0 3958306 0 10 3958306 5.6 % 16/12/2021
Stockbridge Absolute Return Fund, L.P. Delaware 0 6364 0 10 6364 0.1 % 16/09/2021
Berkshire Partners Holdings LLC Delaware 0 7883367 0 10 7883367 11.2 % 16/09/2021
Berkshire Partners LLC Massachusetts 0 5248306 0 10 5248306 7.4 % 16/09/2021
Berkshire Fund IX, L.P. Delaware 0 3605195 0 10 3605195 5.1 % 16/09/2021
Berkshire Investors III LLC Massachusetts 0 84067 0 10 84067 0.1 % 16/09/2021
BPSP, L.P. Delaware 0 7883367 0 10 7883367 11.2 % 16/09/2021
Stockbridge Fund, L.P. Delaware 0 2346506 0 10 2346506 3.3 % 16/09/2021
Berkshire Fund IX-A, L.P. Delaware 0 1476861 0 10 1476861 2.1 % 16/09/2021
Berkshire Investors IV LLC Delaware 0 82183 0 10 82183 0.1 % 16/09/2021
Stockbridge Partners LLC Delaware 0 2635061 0 10 2635061 3.7 % 16/09/2021
Berkshire Partners LLC Massachusetts 0 6217623 0 10 6217623 8.6 % 26/07/2021
Berkshire Investors III LLC Massachusetts 0 99149 0 10 99149 0.1 % 26/07/2021
Berkshire Fund IX-A, L.P. Delaware 0 1749781 0 10 1749781 2.4 % 26/07/2021
BPSP, L.P. Delaware 0 9339357 0 10 9339357 12.9 % 26/07/2021
Berkshire Fund IX, L.P. Delaware 0 4271425 0 10 4271425 5.9 % 26/07/2021
Stockbridge Absolute Return Fund, L.P. Delaware 0 7675 0 10 7675 0.1 % 26/07/2021
Berkshire Partners Holdings LLC Delaware 0 9339357 0 10 9339357 12.9 % 26/07/2021
Stockbridge Fund, L.P. Delaware 0 2823741 0 10 2823741 3.9 % 26/07/2021
Berkshire Investors IV LLC Delaware 0 97268 0 10 97268 0.1 % 26/07/2021
Stockbridge Partners LLC Delaware 0 3121734 0 10 3121734 4.3 % 26/07/2021
(1) BlackRock, Inc. Delaware 2766060 0 2972035 0 2972035 4.1 % 12/07/2021
The Vanguard Group - 23-1945930 Pennsylvania 0 127551 4074397 169205 4243602 6.02 % 10/02/2021
(1) BlackRock, Inc. Delaware 4348085 0 4449575 0 4449575 6.3 % 28/01/2021
Wellington Group Holdings LLP Massachusetts 0 2857366 0 0 3045630 4.38 % 10/11/2020
Wellington Investment Advisors Holdings LLP Massachusetts 0 2857366 0 0 3045630 4.38 % 10/11/2020
Wellington Management Group LLP Massachusetts 0 2857366 0 0 3045630 4.38 % 10/11/2020
(1) BlackRock, Inc. Delaware 3647602 0 3767322 0 3767322 5.5 % 07/02/2020
Wellington Group Holdings LLP Delaware 0 6160992 0 0 6598428 9.66 % 08/01/2020
Wellington Management Company LLP Delaware 0 6047014 0 0 6219083 9.11 % 08/01/2020
Wellington Management Group LLP Massachusetts 0 6160992 0 0 6598428 9.66 % 08/01/2020
Wellington Investment Advisors Holdings LLP Delaware 0 6160992 0 0 6598428 9.66 % 08/01/2020
Systems, Inc. Employee Stock Ownership Plan USA 0 17462083 0 17462083 17462083 23.3 % 14/02/2019
Impax Asset Management Limited Reporting Person 2298159 0 2298159 0 2298159 4.01 % 14/02/2019
Berkshire Investors III LLC Massachusetts 0 107224 0 10 107224 0.2 % 30/08/2018
Stockbridge Fund, L.P. Delaware 0 3019087 0 10 3019087 5.3 % 30/08/2018
Stockbridge Absolute Return Fund, L.P. Delaware 0 9199 0 10 9199 0.1 % 30/08/2018
Stockbridge Partners LLC Delaware 0 3756420 0 10 3756420 6.6 % 30/08/2018
BPSP, L.P. Delaware 0 10513775 0 10 10513775 18.5 % 30/08/2018
Berkshire Partners Holdings LLC Delaware 0 10513775 0 10 10513775 18.5 % 30/08/2018
Berkshire Partners LLC Massachusetts 0 6757355 0 10 6757355 11.9 % 30/08/2018
Berkshire Fund IX, L.P. Delaware 0 4644754 0 10 4644754 8.2 % 30/08/2018
Berkshire Fund IX-A, L.P. Delaware 0 1902714 0 10 1902714 3.3 % 30/08/2018
Berkshire Investors IV LLC Delaware 0 102663 0 10 102663 0.2 % 30/08/2018
12 West Capital Management LP Citizenship or Place of Organization 0 0 0 0 0 0 % 14/02/2018
Vanguard Group - 23-1945930 Pennsylvania 70845 6358 2823375 74103 2897478 5.18 % 12/02/2018
American Securities Partners V, L.P. (See Item 2(a)) Delaware 0 0 0 0 0 0 % 01/12/2017
American Securities Partners V(C), L.P. (See Item 2(a)) Delaware 0 0 0 0 0 0 % 01/12/2017
American Securities Associates V, LLC (See Item 2(a)) Delaware 0 0 0 0 0 0 % 01/12/2017
American Securities Partners V(B), L.P. (See Item 2(a)) Delaware 0 0 0 0 0 0 % 01/12/2017
ASP ADS Investco, LLC (See Item 2(a)) Delaware 0 0 0 0 0 0 % 01/12/2017
American Securities LLC (See Item 2(a)) Delaware 0 0 0 0 0 0 % 01/12/2017
Berkshire Fund IX, L.P. Delaware 0 3614444 0 10 3614444 6.5 % 07/08/2017
Stockbridge Partners LLC Delaware 0 3756420 0 10 3756420 6.8 % 07/08/2017
BPSP, L.P. Delaware 0 9013775 0 10 9013775 16.3 % 07/08/2017
Stockbridge Absolute Return Fund, L.P. Delaware 0 9199 0 10 9199 0.1 % 07/08/2017
Berkshire Investors IV LLC Delaware 0 80316 0 10 80316 0.1 % 07/08/2017
Stockbridge Fund, L.P. Delaware 0 3019087 0 10 3019087 5.5 % 07/08/2017
Berkshire Partners Holdings LLC Delaware 0 9013775 0 10 9013775 16.3 % 07/08/2017
Berkshire Partners LLC Massachusetts 0 5257355 0 10 5257355 9.5 % 07/08/2017
Berkshire Fund IX-A, L.P. Delaware 0 1480649 0 10 1480649 2.7 % 07/08/2017
Berkshire Investors III LLC Massachusetts 0 81946 0 10 81946 0.1 % 07/08/2017
12 West Capital Management LP Citizenship or Place of Organization 3737627 0 3737627 0 3737627 6.8 % 14/02/2017
2. USA 0 18697602 0 18697602 18697602 25.3 % 14/02/2017
BPSP, L.P. Delaware 0 3483614 0 0 3483614 6.5 % 16/02/2016
Stockbridge Partners LLC Delaware 0 3483614 0 0 3483614 6.5 % 16/02/2016
Stockbridge Absolute Return Fund, L.P. Delaware 0 9050 0 0 9050 0.1 % 16/02/2016
Stockbridge Fund, L.P. Delaware 0 2645701 0 0 2645701 5 % 16/02/2016
Berkshire Partners Holdings LLC Delaware 0 3483614 0 0 3483614 6.5 % 16/02/2016
Stockbridge Master Fund (OS), L.P. Delaware 0 254796 0 0 254796 0.5 % 16/02/2016
Wellington Group Holdings LLP Delaware 0 3287138 0 0 4714406 8.85 % 11/02/2016
Wellington Management Company LLP Delaware 0 3285984 0 0 4508959 8.47 % 11/02/2016
Wellington Management Group LLP Massachusetts 0 3287138 0 0 4714406 8.85 % 11/02/2016
Wellington Investment Advisors Holdings LLP Delaware 0 3287138 0 0 4714406 8.85 % 11/02/2016
UNIVERSITY OF NOTRE DAME DU LAC35-0868188 Indiana USA 0 0 0 0 0 0 % 04/02/2016
BPSP, L.P. Delaware 0 3666430 0 0 3666430 6.9 % 27/08/2015
Berkshire Partners Holdings LLC Delaware 0 3666430 0 0 3666430 6.9 % 27/08/2015
Stockbridge Fund, L.P. Delaware 0 2787484 0 0 2787484 5.2 % 27/08/2015
Stockbridge Absolute Return Fund, L.P. Delaware 0 9490 0 0 9490 0.1 % 27/08/2015
Stockbridge Partners LLC Delaware 0 3666430 0 0 3666430 6.9 % 27/08/2015
Stockbridge Master Fund (OS), L.P. Delaware 0 268686 0 0 268686 0.5 % 27/08/2015
2. USA 0 19843446 0 19843446 19843446 27.1 % 17/02/2015
2. USA 10078799 0 10078799 0 10078799 18.8 % 17/02/2015
12 West Capital Management LP Delaware, United States 3386271 0 3386271 0 3386271 6.4 % 17/02/2015
American Securities Partners V(C), L.P. (See Item 2(a)) Delaware 0 7546908 0 0 7546908 14.3 % 17/02/2015
American Securities Associates V, LLC (See Item 2(a)) Delaware 0 7546908 0 0 7546908 14.3 % 17/02/2015
American Securities LLC (See Item 2(a)) Delaware 0 7546908 0 0 7546908 14.3 % 17/02/2015
American Securities Partners V, L.P. (See Item 2(a)) Delaware 0 7546908 0 0 7546908 14.3 % 17/02/2015
American Securities Partners V(B), L.P. (See Item 2(a)) Delaware 0 7546908 0 0 7546908 14.3 % 17/02/2015
ASP ADS Investco, LLC (See Item 2(a)) Delaware 0 7546908 0 0 7546908 14.3 % 17/02/2015
Waddell & Reed Investment Management Company Tax ID No. 48-1106973 NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 1291045 0 1291045 0 1291045 11 % 13/02/2015
Waddell & Reed, Inc. Tax ID No. 43-1235675 NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 1291045 0 1291045 0 1291045 11 % 13/02/2015
Waddell & Reed Financial Services, Inc. Tax ID No. 43-1414157 NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 1291045 0 1291045 0 1291045 11 % 13/02/2015
Waddell & Reed Financial, Inc. Tax ID No. 51-0261715 NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 3007300 0 3007300 0 3007300 11 % 13/02/2015
Ivy Investment Management Company Tax ID No. 03-0481447 NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 1716255 0 1716255 0 1716255 11 % 13/02/2015
Kleinwort Benson Group Limited United Kingdom 0 1686445 0 0 1686445 3.1 % 13/02/2015
RHJ International SA Belgium 0 1686445 0 0 1686445 3.1 % 13/02/2015
Kleinwort Benson Investors Dublin Limited Ireland 0 1686445 0 0 1686445 3.1 % 13/02/2015
UNIVERSITY OF NOTRE DAME DU LAC35-0868188 Indiana USA 3429730 0 3429730 0 3429730 6.5 % 09/02/2015
12 West Capital Management LP Delaware, United States 3248501 0 3248501 0 3248501 6.1 % 15/12/2014

Senat trading

Bureau Date de la transaction Date de réception Type Amount Commentaire
Thomas H Tuberville 2024-05-07 2024-06-13 Sale (Full) $1,001 - $15,000
Thomas H Tuberville 2023-10-17 2023-11-15 Purchase $1,001 - $15,000

Senat Divulgation

Représentant Date de la transaction Date de divulgation Type Amount District
Lisa McClain 2025-07-16 2025-08-14 Sale $1,001 - $15,000 MI09
Lisa McClain 2025-06-17 2025-08-14 Purchase $1,001 - $15,000 MI09
Lisa McClain 2025-06-17 2025-08-13 Purchase $1,001 - $15,000 MI09
Lisa McClain 2025-07-16 2025-08-13 Sale (Full) $1,001 - $15,000 MI09
Rob Bresnahan 2025-01-13 2025-02-14 Sale $1,001 - $15,000 PA08
Ro Khanna 2023-01-09 2023-02-07 Sale $1,001 - $15,000 CA17
Ro Khanna 2022-12-06 2023-01-03 Sale $1,001 - $15,000 CA17
Ro Khanna 2022-11-02 2022-12-06 Purchase $1,001 - $15,000 CA17
Ro Khanna 2022-11-03 2022-12-06 Purchase $1,001 - $15,000 CA17