Advanced Drainage SystemsWMS
13F holders, Q1 2026 (March 31)580holders +32
88new positions
53sold out
8famous investors
$137.06avg. 13F price*
At the end of Q1 2026, 580 institutions reported holding Advanced Drainage Systems Inc. (WMS) in their 13F filings, up 32 from Q4 2025. 88 opened new positions and 53 sold out. The largest holders were BlackRock, Inc. ($1.0B), Vanguard Portfolio Management LLC ($495.8M) and Vanguard Capital Management LLC ($469.5M). 8 famous investors held it, including Joel Greenblatt (0.1% of Gotham Asset Management's portfolio), Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio) and Jeremy Grantham (0.1% of GMO's portfolio).
- Company
- Advanced Drainage Systems Inc.
- CUSIP
- 00790R104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 88 | $195.1M |
| Exits | 53 | $78.9M |
All 13F filers, Q4 2025 → Q1 2026: 5,934,762 shares bought and 6,736,196 shares sold, net −801,434 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 580 holders
| BlackRock, Inc. | 0.02% | Add +4.4% | 7,422,729 | $1.0B |
| Vanguard Portfolio Management LLC | 0.03% | — | 3,615,687 | $495.8M |
| Vanguard Capital Management LLC | 0.01% | — | 3,423,703 | $469.5M |
| State Street Corp. | 0.01% | Add +0.8% | 2,489,531 | $341.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.07% | Reduce -4.1% | 2,450,123 | $336.0M |
| Pictet Asset Management Holding SA | 0.32% | Add +32.9% | 2,204,801 | $302.3M |
| Baillie Gifford & Co. | 0.29% | Reduce -8.8% | 2,047,349 | $280.8M |
| First Trust Advisors LP | 0.20% | Reduce -15.6% | 2,044,057 | $280.3M |
| Impax Asset Management Group plc | 1.84% | Reduce -6.7% | 1,927,510 | $264.3M |
| American Century Companies Inc. | 0.12% | Add +9.5% | 1,657,753 | $227.3M |
| Geode Capital Management, LLC | 0.01% | Add +5.8% | 1,344,795 | $184.5M |
| Morgan Stanley | 0.01% | Reduce -22.0% | 1,333,340 | $182.8M |
| Amundi | 0.05% | Add +0.7% | 1,288,672 | $176.7M |
| Dimensional Fund Advisors LP | 0.03% | Add +0.2% | 1,191,778 | $163.4M |
| Kayne Anderson Rudnick Investment Management LLC | 0.45% | Reduce -7.1% | 1,106,423 | $151.7M |
| Wellington Management Group LLP | 0.03% | Reduce -15.9% | 1,063,231 | $145.8M |
| Invesco Ltd. | 0.01% | Reduce -0.2% | 982,528 | $134.7M |
| KBC Group NV | 0.32% | Add +1.6% | 916,981 | $125.7M |
| Impactive Capital LP | 8.52% | Reduce -41.3% | 856,492 | $117.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -2.1% | 702,650 | $96.4M |
| William Blair Investment Management, LLC | 0.30% | Reduce -4.7% | 655,684 | $89.9M |
| Capital International Investors | 0.02% | Reduce -31.8% | 639,021 | $87.6M |
| Mirova US LLC | 0.98% | Reduce -4.9% | 628,843 | $86.2M |
| Janus Henderson Group PLC | 0.04% | Reduce -1.0% | 592,581 | $81.3M |
| Northern Trust Corp. | 0.01% | Add +1.0% | 589,186 | $80.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.11% | Add +8.1% | 585,972 | $80.3M |
| Westwood Holdings Group Inc. | 0.55% | Add +28.9% | 553,211 | $75.9M |
| Adage Capital Partners Gp, L.L.C. | 0.12% | Add +266.7% | 550,000 | $75.4M |
| Qube Research & Technologies Ltd | 0.11% | Add +147.6% | 546,406 | $74.9M |
| Triodos Investment Management BV | 5.57% | Reduce -0.2% | 536,711 | $73.6M |
| Liontrust Investment Partners LLP | 1.23% | Reduce -8.5% | 524,782 | $72.0M |
| Bank of New York Mellon Corp | 0.01% | Add +5.9% | 519,242 | $71.2M |
| Schroder Investment Management Group | 0.06% | Reduce -14.8% | 525,787 | $69.1M |
| Schonfeld Strategic Advisors LLC | 0.55% | Reduce -2.9% | 489,307 | $67.1M |
| Brown Brothers Harriman & Co. | 0.34% | Reduce -3.9% | 455,614 | $62.5M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -2.4% | 451,763 | $62.0M |
| Vanguard Fiduciary Trust Co. | 0.02% | — | 449,649 | $61.7M |
| Bank of America Corp. | 0.00% | Reduce -3.9% | 439,577 | $60.3M |
| ACK Asset Management LLC | 6.68% | No change | 390,000 | $53.5M |
| Interval Partners, LP | 1.83% | Add +76.3% | 388,875 | $53.3M |
| Allianz Asset Management GmbH | 0.06% | Reduce -20.2% | 381,401 | $52.3M |
| Hill City Capital, LP | 1.81% | Add +131.3% | 370,000 | $50.7M |
| Ameriprise Financial Inc. | 0.01% | Reduce -20.2% | 358,948 | $49.2M |
| Corient Private Wealth LP | 0.07% | Reduce -2.9% | 342,161 | $46.9M |
| Stifel Financial Corp. | 0.04% | Add +0.7% | 318,746 | $43.7M |
| Robeco Schweiz AG | 0.89% | Reduce -15.3% | 308,404 | $42.3M |
| Franklin Resources Inc. | 0.01% | Reduce -18.7% | 298,712 | $41.0M |
| Van Lanschot Kempen Investment Management N.V. | 0.35% | Add +47.5% | 294,898 | $40.4M |
| Gotham Asset Management | 0.12% | Add +22.9% | 294,728 | $40.4M |
| Baron Capital (BAMCO) | 0.12% | Reduce -1.2% | 291,152 | $39.9M |
| JPMorgan Chase & Co. | 0.00% | Add +14.6% | 292,566 | $38.5M |
| PNC Financial Services Group, Inc. | 0.02% | Reduce -1.7% | 274,556 | $37.6M |
| TD Asset Management Inc | 0.03% | Reduce -25.5% | 272,240 | $37.3M |
| Owls Nest Partners IA, LLC | 12.68% | Add +47.3% | 264,101 | $36.2M |
| Capital World Investors | 0.00% | New | 262,854 | $36.0M |
| Alyeska Investment Group, L.P. | 0.10% | New | 258,508 | $35.4M |
| Geneva Capital Management LLC | 0.75% | Reduce -3.2% | 255,923 | $35.1M |
| Legal & General Group Plc | 0.01% | Reduce -0.3% | 234,949 | $32.2M |
| Millennium Management | 0.02% | Add +26.3% | 223,895 | $30.7M |
| AQR Capital Management | 0.01% | Add +395.5% | 224,779 | $30.1M |
| UBS Group AG | 0.01% | Reduce -8.6% | 218,057 | $29.9M |
| Quantinno Capital Management LP | 0.05% | Add +5.8% | 213,971 | $29.3M |
| Russell Investments Group, Ltd. | 0.03% | Add +26.0% | 209,806 | $28.8M |
| Mackenzie Financial Corp. | 0.03% | Reduce -0.2% | 207,424 | $28.4M |
| Aberdeen Group plc | 0.05% | Reduce -27.9% | 205,725 | $28.2M |
| Mediolanum International Funds Ltd | 0.30% | Add +7.0% | 212,849 | $28.0M |
| Thrivent Financial for Lutherans | 0.05% | Add +0.2% | 203,969 | $28.0M |
| GMO | 0.07% | Reduce -1.9% | 197,844 | $27.1M |
| PGGM Investments | 0.46% | Reduce -44.0% | 190,291 | $26.1M |
| Rhumbline Advisers | 0.02% | Add +1.7% | 183,319 | $25.1M |
| Loomis Sayles & Co. L P | 0.03% | Add +66.8% | 180,670 | $24.8M |
| Sei Investments Co. | 0.02% | Add +6.3% | 180,395 | $24.7M |
| Mirova | 0.96% | Add +1669.7% | 172,152 | $23.6M |
| Massachusetts Financial Services Co. | 0.01% | Add +0.1% | 154,638 | $23.2M |
| Mitsubishi UFJ Trust & Banking Corp | 0.06% | Reduce -22.4% | 165,932 | $22.8M |
| Swedbank AB | 0.02% | Reduce -21.8% | 164,961 | $22.6M |
| Storebrand Asset Management As | 0.06% | Add +5.2% | 163,525 | $22.4M |
| Principal Financial Group Inc. | 0.01% | Add +4.0% | 159,913 | $21.9M |
| Epoch Investment Partners, Inc. | 0.13% | Reduce -23.2% | 158,803 | $21.8M |
| Royal Bank of Canada | 0.00% | Add +12.9% | 154,436 | $21.2M |
| J. Safra Sarasin Holding AG | 0.36% | Reduce -8.4% | 152,496 | $20.9M |
| Nuveen, LLC | 0.01% | Add +56.1% | 150,403 | $20.6M |
| Jupiter Asset Management Ltd. | 0.11% | No change | 146,197 | $20.0M |
| Swiss National Bank | 0.01% | Add +0.3% | 146,100 | $20.0M |
| California Public Employees Retirement System | 0.01% | Add +11.9% | 139,885 | $19.2M |
| Duff & Phelps Investment Management Co. | 0.20% | Add +0.0% | 139,629 | $19.1M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.04% | Add +0.6% | 137,130 | $18.8M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Reduce -57.2% | 134,917 | $18.5M |
| OP Asset Management Ltd | 0.18% | Add +484.2% | 133,989 | $18.4M |
| Rathbones Group PLC | 0.07% | Reduce -14.0% | 130,792 | $17.9M |
| Wells Fargo & Company | 0.00% | Reduce -2.6% | 127,237 | $17.4M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 123,643 | $17.0M |
| Cramer Rosenthal McGlynn LLC | 1.21% | Reduce -12.4% | 119,850 | $16.4M |
| ABN AMRO Bank N.V. | 0.17% | Reduce -3.4% | 114,694 | $15.9M |
| AEGON ASSET MANAGEMENT UK Plc | 0.21% | Reduce -27.9% | 113,778 | $15.6M |
| Exchange Traded Concepts, LLC | 0.12% | Add +957.9% | 113,322 | $15.5M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.01% | Add +31.2% | 111,300 | $15.3M |
| Lombard Odier Asset Management (Europe) Ltd | 1.25% | Add +87.0% | 111,124 | $15.2M |
| WCM Investment Management, LLC | 0.03% | Reduce -3.1% | 113,937 | $15.0M |
| Distillate Capital Partners LLC | 0.77% | New | 106,675 | $14.6M |
"% of holder's portfolio" is WMS's weight in each manager's 13F, not the share of Advanced Drainage Systems Inc. the manager owns.