Advanced Drainage Systems, Inc.
MX ˙ BMV ˙ US00790R1041
SecurityMX:WMS / Advanced Drainage Systems, Inc.
InstitutionGotham Asset Management, LLC
ManagerJoel Greenblatt
Latest Disclosed Ownership294,728 shares
Latest Disclosed Value $ 40,416,051
Gotham Asset Management, LLC reports 22.91% increase in ownership of WMS / Advanced Drainage Systems, Inc.

On May 15, 2026 - Gotham Asset Management, LLC filed a 13F-HR form disclosing ownership of 294,728 shares of Advanced Drainage Systems, Inc. (MX:WMS) valued at $40,416,051 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 239,792 shares of Advanced Drainage Systems, Inc.. This represents a change in shares of 22.91% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 294,728 54,936 22.91 40,416 16.38 0.1238
2026-02-17 2025-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 239,792 55,755 30.30 34,729 36.06 0.1268
2025-11-14 2025-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 184,037 40,124 27.88 25,526 54.43 0.1111
2025-08-14 2025-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 143,913 -11,084 -7.15 16,530 -1.85 0.0989
2025-05-15 2025-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 154,997 108,939 236.53 16,840 216.30 0.1405
2025-02-14 2024-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 46,058 886 1.96 5,324 -25.00 0.0505
2024-11-14 2024-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 45,172 -6,945 -13.33 7,099 -15.07 0.0734
2024-08-14 2024-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 52,117 26 0.05 8,359 -6.83 0.1082
2024-05-15 2024-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 52,091 2,053 4.10 8,972 27.50 0.1355
2024-02-14 2023-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 50,038 -6,063 -10.81 7,037 10.21 0.1306
2023-11-14 2023-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 56,101 2,793 5.24 6,386 5.28 0.1319
2023-08-14 2023-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 53,308 -3,202 -5.67 6,065 27.47 0.1319
2023-05-15 2023-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 56,510 17,863 46.22 4,759 50.24 0.1154
2023-02-14 2022-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 38,647 5,161 15.41 3,168 -23.96 0.0891
2022-11-14 2022-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 33,486 29,366 712.77 4,165 1,022.64 0.1247
2022-08-15 2022-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 4,120 1,117 37.20 371 3.92 0.0119
2022-05-16 2022-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 3,003 816 37.31 357 19.80 0.0111
2022-02-14 2021-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 2,187 2,187 298 0.0096
2021-11-15 2021-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -7,084 -100.00 0 -100.00
2021-08-16 2021-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 7,084 -11,106 -61.06 826 -56.09 0.0350
2021-05-17 2021-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 18,190 -299 -1.62 1,881 21.75 0.0839
2021-02-16 2020-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 18,489 -9,276 -33.41 1,545 -10.90 0.0511
2020-11-16 2020-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 27,765 27,765 1,734 0.0557
2020-08-13 2020-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -9,093 -100.00 0 -100.00
2020-05-15 2020-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 9,093 9,093 268 0.0074
2020-02-14 2019-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -17,481 -100.00 0 -100.00
2019-11-14 2019-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 17,481 17,481 564 0.0100
2019-02-14 2018-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -18,174 -100.00 0 -100.00
2018-11-14 2018-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 18,174 -25,440 -58.33 562 -54.86 0.0078
2018-08-14 2018-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 43,614 19,052 77.57 1,245 95.75 0.0180
2018-05-15 2018-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 24,562 24,562 636 0.0089
2017-08-14 2017-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -10,875 -100.00 0 -100.00
2017-05-15 2017-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 10,875 10,875 238 0.0030
2017-02-14 2016-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -105,396 -100.00 0 -100.00
2016-11-14 2016-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 105,396 -58,965 -35.88 2,536 -43.63 0.0330
2016-08-15 2016-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 164,361 164,361 4,499 0.0539
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.