Advanced Drainage Systems, Inc.
MX ˙ BMV ˙ US00790R1041
SecurityMX:WMS / Advanced Drainage Systems, Inc.
InstitutionAqr Capital Management Llc
ManagerCliff Asness
Latest Disclosed Ownership224,779 shares
Latest Disclosed Value $ 30,124,826
Aqr Capital Management Llc reports 395.54% increase in ownership of WMS / Advanced Drainage Systems, Inc.

On May 15, 2026 - Aqr Capital Management Llc filed a 13F-HR form disclosing ownership of 224,779 shares of Advanced Drainage Systems, Inc. (MX:WMS) valued at $30,124,826 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 45,360 shares of Advanced Drainage Systems, Inc.. This represents a change in shares of 395.54% 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 224,779 179,419 395.54 30,125 358.58 0.0026
2026-02-17 2025-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 45,360 33,875 294.95 6,570 317.34 0.0034
2025-11-14 2025-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 11,485 8,215 251.22 1,574 320.86 0.0010
2025-08-14 2025-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 3,270 3,270 374 0.0003
2025-05-15 2025-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -2,962 -100.00 0 -100.00
2025-02-14 2024-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 2,962 -30,601 -91.17 342 -93.52 0.0004
2024-11-14 2024-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 33,563 11,346 51.07 5,275 48.02 0.0073
2024-08-14 2024-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 22,217 22,217 3,563 0.0055
2023-02-14 2022-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -7,704 -100.00 0 -100.00
2022-11-14 2022-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 7,704 7,704 951 0.0023
2022-02-14 2021-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -21,261 -100.00 0 -100.00
2021-11-15 2021-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 21,261 -3,093 -12.70 2,300 -18.99 0.0043
2021-08-16 2021-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 24,354 -4,778 -16.40 2,839 -5.74 0.0049
2021-05-17 2021-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 29,132 13,216 83.04 3,012 126.47 0.0049
2021-02-16 2020-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 15,916 -2,368 -12.95 1,330 16.46 0.0024
2020-11-16 2020-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 18,284 151 0.83 1,142 27.46 0.0019
2020-08-17 2020-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 18,133 -2,231 -10.96 896 49.33 0.0014
2020-05-15 2020-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 20,364 1,020 5.27 600 -20.11 0.0010
2020-02-14 2019-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 19,344 -112 -0.58 751 19.59 0.0009
2019-11-14 2019-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 19,456 -15,735 -44.71 628 -45.58 0.0007
2019-08-14 2019-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 35,191 167 0.48 1,154 27.80 0.0013
2019-05-14 2019-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 35,024 17,756 102.83 903 115.51 0.0010
2019-02-14 2018-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 17,268 7,415 75.26 419 37.83 0.0005
2018-11-15 2018-09-30 13F/A-1 ADVANCED DRAIN SYS INC DEL COM 00790R104 9,853 9,853 304 0.0003
2016-08-15 2016-06-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -10,973 -100.00 0 -100.00
2016-07-29 2016-03-31 13F/A-1 ADVANCED DRAIN SYS INC DEL COM 00790R104 10,973 -9,645 -46.78 234 -52.73 0.0004
2016-05-16 2016-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 10,973 234
2016-02-16 2015-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 20,618 6,297 43.97 495 19.57 0.0009
2015-11-16 2015-09-30 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 14,321 14,321 0.00 414 0.0008
2015-05-15 2015-03-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 0 -5,200 -100.00 0 -100.00
2015-02-17 2014-12-31 13F ADVANCED DRAIN SYS INC DEL COM 00790R104 5,200 5,200 -99.80 12,359 -81.69 0.0256
2014-02-14 2013-12-31 13F WMS INDS COM 929297109 0 -2,601,440 -100.00 0 -100.00
2013-11-14 2013-09-30 13F WMS INDS COM 929297109 2,601,440 391,023 17.69 67,507 19.72 0.2379
2013-08-14 2013-06-30 13F WMS INDS COM 929297109 2,210,417 2,146,817 3,375.50 56,388 4,966.31 0.2001
2013-05-29 2012-12-31 13F/A-1 WMS INDS COM 929297109 63,600 63,600 1,113 0.0048
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.