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Advanced Drainage Systems (WMS) Institutional Ownership

Advanced Drainage Systems logo
$144.28 +0.33 (+0.23%)
Closing price 08/7/2026 03:59 PM Eastern
Extended Trading
$143.60 -0.68 (-0.47%)
As of 08:31 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Advanced Drainage Systems (NYSE:WMS)

Current
Institutional Ownership
Percentage
89.83%
Number of
Institutional Buyers
(last 12 months)
312
Total
Institutional Inflows
(last 12 months)
$2.90B
Number of
Institutional Sellers
(last 12 months)
241
Total
Institutional Outflows
(last 12 months)
$1.57B
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WMS Institutional Buying and Selling by Quarter

Advanced Drainage Systems Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/10/2026Diversify Advisory Services LLC3,615$518K0.0%N/A0.005%
8/8/2026 Oxbow Advisors LLC23,425$3.68M0.3%N/A0.031%
8/8/2026 Summit Creek Advisors LLC2,170$341K0.1%N/A0.003%
8/7/2026 BlackRock Inc.7,469,940$1.17B0.0%N/A9.747%
8/7/2026 Deutsche Bank AG103,811$16.29M0.0%N/A0.135%
8/7/2026 Perigon Wealth Management LLC4,500$706K0.0%N/A0.006%
8/7/2026 Trust Co. of Vermont1,392$218K0.0%N/A0.002%
8/6/2026 Global Retirement Partners LLC1,507$237K0.0%N/A0.002%
8/6/2026 Bank of New York Mellon Corp472,119$74.10M0.0%N/A0.616%
8/6/2026 ABN AMRO Bank N.V.114,578$18.01M0.2%N/A0.149%
8/6/2026 Avalon Trust Co270$42K0.0%N/A0.000%
7/9/2026 First Bank & Trust1,579$248K0.0%N/A0.002%
7/9/2026 Valeo Financial Advisors LLC2,672$419K0.0%+59.6%0.003%
7/8/2026 Assenagon Asset Management S.A.26,815$4.21M0.0%+196.9%0.035%
7/7/2026 Dynamic Advisor Solutions LLC14,329$2.25M0.1%+7.6%0.019%
7/7/2026 BDF Gestion11,686$1.83M0.2%-10.1%0.015%
7/7/2026 Harbor Investment Advisory LLC505$79K0.0%+4,950.0%0.001%
7/2/2026 Versant Capital Management Inc472$74K0.0%-44.7%0.001%
6/15/2026Lombard Odier Asset Management Europe Ltd111,124$15.24M0.1%+87.0%0.145%
6/9/2026 Rathbones Group PLC130,792$17.94M0.1%-14.0%0.171%
5/22/2026Segall Bryant & Hamill LLC54,391$7.46M0.1%N/A0.070%
5/20/2026Liontrust Investment Partners LLP524,782$71.96M1.0%-8.5%0.674%
5/19/2026Dayah Capital LLC12,801$1.76M0.7%N/A0.016%
5/19/2026Bank of America Corp DE439,577$60.28M0.0%-3.9%0.564%
5/19/2026Janus Henderson Group PLC592,581$81.28M0.0%-1.0%0.761%
5/19/2026Oddo BHF Asset Management Sas4,129$566K0.0%N/A0.005%
5/18/2026Amundi1,288,672$176.73M0.0%+0.7%1.654%
5/18/2026 EverSource Wealth Advisors LLC466$64K0.0%+128.4%0.001%
5/18/2026California State Teachers Retirement System86,740$11.90M0.0%+25.4%0.111%
5/18/2026Royal Bank of Canada154,436$21.18M0.0%+12.9%0.198%
5/16/2026The Manufacturers Life Insurance Company51,591$7.08M0.0%-1.7%0.066%
5/16/2026Quantinno Capital Management LP213,971$29.34M0.0%+5.8%0.275%
5/16/2026Lazard Asset Management LLC7,125$977K0.0%+37.3%0.009%
5/16/2026Castleark Management LLC7,190$986K0.0%N/A0.009%
5/15/2026Weiss Asset Management LP37,700$5.17M0.1%N/A0.048%
5/15/2026Lombard Odier Asset Management Switzerland SA2,536$348K0.0%N/A0.003%
5/15/2026Lombard Odier Asset Management Europe Ltd111,124$15.24M0.8%+87.0%0.143%
5/15/2026 Archon Partners LLC59,000$8.09M1.0%+47.5%0.076%
5/15/2026Epoch Investment Partners Inc.158,803$21.78M0.1%-23.2%0.204%
5/15/2026Dempze Nancy E3,250$446K0.2%-12.2%0.004%
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5/14/2026Public Employees Retirement System of Ohio20,564$2.82M0.0%-6.5%0.026%
5/14/2026Arrowstreet Capital Limited Partnership123,643$16.96M0.0%N/A0.159%
5/14/2026Inceptionr LLC4,561$625K0.2%+7.6%0.006%
5/14/2026Gibbs Wealth Management4,818$661K0.1%+13.2%0.006%
5/14/2026Sei Investments Co.180,395$24.74M0.0%+6.3%0.232%
5/14/2026 State of Wyoming3,121$428K0.1%+130.0%0.004%
5/13/2026Cetera Investment Advisers8,652$1.19M0.0%-10.6%0.011%
5/13/2026First Trust Advisors LP2,044,057$280.30M0.2%-15.6%2.624%
5/8/2026 PNC Financial Services Group Inc.274,556$37.65M0.0%-1.7%0.352%
5/8/2026Madison Asset Management LLC19,424$2.66M0.0%-16.6%0.025%
5/7/2026WCM Investment Management LLC113,937$14.98M0.0%-3.1%0.146%
5/7/2026Dimensional Fund Advisors LP1,191,778$163.40M0.0%+0.2%1.530%
5/7/2026 Parallel Advisors LLC1,027$141K0.0%+18.0%0.001%
5/7/2026 KBC Group NV916,981$125.75M0.3%+1.7%1.177%
5/7/2026Swiss National Bank146,100$20.04M0.0%+0.3%0.188%
5/7/2026 Mediolanum International Funds Ltd212,849$27.98M0.3%+7.0%0.273%
5/6/2026California Public Employees Retirement System139,885$19.18M0.0%+12.0%0.180%
5/6/2026Future Fund LLC27,329$3.75M1.3%+27.1%0.035%
5/6/2026 Gryphon Financial Partners LLC27,447$3.76M0.4%N/A0.035%
5/6/2026Bessemer Group Inc.395$54K0.0%+70.3%0.001%
5/5/2026 Bank of New York Mellon Corp519,242$71.20M0.0%+5.9%0.667%
5/5/2026Illinois Municipal Retirement Fund6,722$922K0.0%N/A0.009%
5/5/2026Sanctuary Advisors LLC4,043$554K0.0%-5.2%0.005%
5/4/2026 Calamos Advisors LLC18,973$2.60M0.0%N/A0.024%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management3,185$437K0.0%+88.8%0.004%
5/4/2026 State of Michigan Retirement System17,200$2.36M0.0%+1.8%0.022%
5/4/2026 Principal Financial Group Inc.159,913$21.93M0.0%+4.0%0.205%
5/4/2026 Chicago Partners Investment Group LLC1,565$215K0.0%-26.0%0.002%
5/4/2026Absher Wealth Management LLC6,719$921K0.1%-45.1%0.009%
5/4/2026 Y.D. More Investments Ltd6,688$917K0.0%+67.2%0.009%
5/4/2026 J. Safra Sarasin Holding AG152,496$20.87M0.4%-8.4%0.196%
5/2/2026 Diversify Wealth Management LLC3,497$512K0.0%N/A0.004%
5/1/2026 Fifth Third Bancorp72,766$9.98M0.0%+51.9%0.093%
5/1/2026Candriam S.C.A.81,455$11.17M0.1%-13.3%0.105%
4/30/2026Hsbc Holdings PLC37,093$5.05M0.0%+61.6%0.048%
4/30/2026 Accredited Investors Inc.2,403$330K0.0%N/A0.003%
4/30/2026 Isthmus Partners LLC2,398$329K0.0%-15.3%0.003%
4/30/2026 Oregon Public Employees Retirement Fund14,743$2.02M0.0%+3.1%0.019%
4/29/2026 Swedbank AB164,961$22.62M0.0%-21.7%0.212%
4/28/2026 Corbyn Investment Management Inc. MD15,263$2.09M0.7%-1.0%0.020%
4/28/2026 Praxis Investment Management Inc.2,130$292K0.0%+7.0%0.003%
4/28/2026 QRG Capital Management Inc.4,840$664K0.0%-28.9%0.006%
4/27/2026 Oxbow Advisors LLC23,208$3.18M0.3%N/A0.030%
4/27/2026 HB Wealth Management LLC1,874$257K0.0%+27.9%0.002%
4/27/2026 PFG Investments LLC6,356$872K0.0%-2.2%0.008%
4/27/2026 New York State Teachers Retirement System41,101$5.64M0.0%-5.3%0.053%
4/27/2026 Private Advisor Group LLC1,609$221K0.0%-14.6%0.002%
4/27/2026 Y Intercept Hong Kong Ltd11,584$1.59M0.0%+129.2%0.015%
4/27/2026 Leonteq Securities AG749$103K0.0%-17.7%0.001%
4/27/2026 Fideuram Intesa Sanpaolo Private Banking S.P.A.19,337$2.65M0.1%-8.7%0.025%
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4/25/2026 Strs Ohio44,790$6.14M0.0%+229.5%0.057%
4/25/2026 Boston Trust Walden Corp1,625$223K0.0%-17.7%0.002%
4/25/2026Vision Capital Management Inc.29,639$4.06M0.5%+2.1%0.038%
4/24/2026 Peregrine Capital Management LLC82,628$11.33M0.4%-14.6%0.106%
4/23/2026 Graver Capital Management LLC3,647$500K0.4%-29.4%0.005%
4/23/2026 Capital Investment Counsel LLC27,661$3.79M0.5%N/A0.036%
4/23/2026 SJS Investment Consulting Inc.244$33K0.0%+78.1%0.000%
4/23/2026Inspire Investing LLC12,058$1.65M0.1%+18,169.7%0.015%
4/23/2026 Apollon Wealth Management LLC5,122$702K0.0%N/A0.007%
4/22/2026 Janney Montgomery Scott LLC74,769$10.25M0.0%-3.1%0.096%


WMS Institutional Ownership - Frequently Asked Questions

During the previous two years, 554 institutional investors and hedge funds held shares of Advanced Drainage Systems. The most heavily invested institutionals were BlackRock Inc. ($1.17B), Vanguard Group Inc. ($1.07B), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($370.09M), State Street Corp ($357.65M), Baillie Gifford & Co. ($325.00M), Pictet Asset Management Holding SA ($302.29M), and Impax Asset Management Group plc ($299.32M).Learn more on Advanced Drainage Systems' institutional investors.

89.83% of Advanced Drainage Systems' stock is owned by institutional investors. Learn more on WMS's institutional investor holdings.

Of the 487 institutional investors that purchased Advanced Drainage Systems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($7.47M), Norges Bank ($2.62M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.85M), Amundi ($1.27M), Impax Asset Management Group plc ($1.16M), Wellington Management Group LLP ($908.29K), and First Trust Advisors LP ($905.99K).

Institutional investors have bought a total of 20,123,782 shares in the last 24 months. This purchase volume represents approximately $2.90B in transactions.

Of the 241 institutional investors that sold Advanced Drainage Systems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Impax Asset Management Group plc ($977.19K), Invesco Ltd. ($750.24K), Interval Partners LP ($747.97K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($557.29K), T. Rowe Price Investment Management Inc. ($514.17K), Amundi ($473.82K), and Swedbank AB ($441.17K).

Institutional investors have sold a total of 11,424,801 shares in the last 24 months. This volume of shares sold represents approximately $1.57B in transactions.


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Institutional ownership data for NYSE:WMS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/10/2026. New 13F filings are added each quarter as they're published.
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