Who owns ADVANCED DRAINAGE SYSTEMS, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of WMS from SEC Form 13F filings across 554 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 554 institutions disclosed 69.5M shares of ADVANCED DRAINAGE SYSTEMS, INC. worth $11.20B — about 90.9% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
554
13F holders
$11.20B
value, 2026 filers
90.9%
of shares outstanding (69.5M sh)
74
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of WMS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.5M | $1.17B | 0.0% | 9.8% | +0.6% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7M | $581.6M | 0.0% | 4.8% | +2.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.4M | $533.2M | 0.0% | 4.4% | -0.8% |
| 4 | STATE STREET CORP | 2.7M | $422.8M | 0.0% | 3.5% | +8.2% |
| 5 | FIRST TRUST ADVISORS LP | 2.7M | $417.6M | 0.2% | 3.5% | +30.2% |
| 6 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 2.3M | $368.3M | 0.1% | 3.1% | -4.2% |
| 7 | Impax Asset Management Group plc | 1.8M | $289.7M | 1.9% | 2.4% | -4.2% |
| 8 | BAILLIE GIFFORD & CO | 1.8M | $288.1M | 0.3% | 2.4% | -10.4% |
| 9 | AMERICAN CENTURY COMPANIES INC | 1.6M | $256.5M | 0.1% | 2.1% | -1.4% |
| 10 | MORGAN STANLEY | 1.4M | $218.8M | 0.0% | 1.8% | +4.5% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $214.7M | 0.0% | 1.8% | +1.7% |
| 12 | Amundi | 1.4M | $212.7M | 0.1% | 1.8% | +5.1% |
| 13 | NORGES BANKNEW | 1.3M | $204.6M | 0.0% | 1.7% | new |
| 14 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $200.5M | 0.0% | 1.7% | +7.2% |
| 15 | Pictet Asset Management Holding SA | 1.1M | $177.0M | 0.2% | 1.5% | -48.8% |
| 16 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 1.0M | $162.5M | 0.5% | 1.4% | -6.4% |
| 17 | KBC Group NV | 923,696 | $145.0M | 0.3% | 1.2% | +0.7% |
| 18 | WELLINGTON MANAGEMENT GROUP LLP | 840,488 | $131.9M | 0.0% | 1.1% | -20.9% |
| 19 | Qube Research & Technologies Ltd | 839,820 | $131.8M | 0.1% | 1.1% | +53.7% |
| 20 | Invesco Ltd. | 835,672 | $131.2M | 0.0% | 1.1% | -14.9% |
| 21 | Impactive Capital LP | 782,790 | $122.9M | 8.8% | 1% | -8.6% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 696,500 | $109.3M | 0.0% | 0.9% | -0.9% |
| 23 | BAMCO INC /NY/ | 680,431 | $106.8M | 0.2% | 0.9% | +133.7% |
| 24 | Capital International Investors | 657,285 | $103.2M | 0.0% | 0.9% | +2.9% |
| 25 | GOLDMAN SACHS GROUP INC | 641,404 | $100.7M | 0.0% | 0.8% | +42.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.