Advanced Drainage Systems (WMS) Institutional Ownership

$126.07 +0.40 (+0.32%)

Closing price 09/18/2026 03:59 PM Eastern

Extended Trading

$126.04 -0.03 (-0.02%)

As of 09/18/2026 07:30 PM Eastern

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Current Institutional Ownership Percentage: 89.83%
Number of Institutional Buyers (last 12 months): 309
Total Institutional Inflows (last 12 months): $3.21B

Number of Institutional Sellers (last 12 months): 232
Total Institutional Outflows (last 12 months): $1.43B

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WMS Institutional Buying and Selling by Quarter

Advanced Drainage Systems Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/15/2026	SkyView Investment Advisors LLC	1,800	$283K	0.2%	N/A	0.002%
9/9/2026	Tidal Investments LLC	9,471	$1.49M	0.0%	+7.4%	0.013%
9/9/2026	Integrated Wealth Concepts LLC	742	$116K	0.0%	-68.6%	0.001%
9/9/2026	IFP Advisors Inc	2,581	$405K	0.0%	+95.4%	0.003%
9/9/2026	Squarepoint Ops LLC	28,541	$4.48M	0.0%	-46.2%	0.038%
9/9/2026	Baird Financial Group Inc.	128,123	$20.11M	0.0%	+560.7%	0.170%
9/8/2026	Allworth Financial LP	163	$26K	0.0%	-31.8%	0.000%
9/8/2026	Arizona State Retirement System	19,344	$3.04M	0.0%	-4.7%	0.026%
9/8/2026	Nykredit A S	2,064	$324K	0.0%	N/A	0.003%
8/27/2026	Corient Private Wealth LP	349,857	$54.91M	0.1%	+2.2%	0.464%
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8/26/2026	Amundi	1,354,610	$212.68M	0.1%	+5.1%	1.797%
8/26/2026	HighTower Advisors LLC	12,247	$1.92M	0.0%	-59.6%	0.016%
8/25/2026	Groupe la Francaise	1,000	$157K	0.0%	N/A	0.001%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	21,004	$3.30M	0.0%	N/A	0.028%
8/23/2026	Wedmont Private Capital	1,517	$228K	0.0%	N/A	0.002%
8/23/2026	HB Wealth Management LLC	1,605	$252K	0.0%	-14.4%	0.002%
8/23/2026	Azimuth Capital Investment Management LLC	46,586	$7.31M	0.2%	-9.3%	0.062%
8/22/2026	AlphaGrep UK Ltd	1,520	$239K	0.1%	N/A	0.002%
8/22/2026	Raiffeisen Bank International AG	18,000	$2.78M	0.0%	+20.0%	0.024%
8/22/2026	Rik Saylor Financial Inc.	25,596	$4.02M	2.5%	+11.7%	0.034%
8/22/2026	Knollwood Investment Advisory LLC	1,300	$204K	0.0%	N/A	0.002%
8/22/2026	Syon Capital LLC	2,765	$434K	0.0%	-13.7%	0.004%
8/21/2026	Nykredit A S	2,064	$324K	0.0%	N/A	0.003%
8/21/2026	B. Metzler seel. Sohn & Co. AG	30,267	$4.75M	0.0%	+40.7%	0.040%
8/20/2026	Oarsman Capital Inc.	1,373	$216K	0.0%	-35.8%	0.002%
8/20/2026	Susquehanna Fundamental Investments LLC	118,313	$18.57M	0.3%	N/A	0.157%
8/20/2026	Benjamin Edwards Inc.	8,167	$1.28M	0.0%	+14.0%	0.011%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	2,346,623	$368.33M	0.1%	-4.2%	3.112%
8/19/2026	Van ECK Associates Corp	91,657	$14.39M	0.0%	-0.5%	0.122%
8/19/2026	Hsbc Holdings PLC	21,481	$3.37M	0.0%	-42.1%	0.028%
8/19/2026	Wellington Management Group LLP	840,488	$131.92M	0.0%	-20.9%	1.115%
8/19/2026	Lombard Odier Asset Management Europe Ltd	82,032	$12.88M	0.0%	N/A	0.109%
8/19/2026	Kingsview Wealth Management LLC	8,529	$1.34M	0.0%	N/A	0.011%
8/18/2026	Empowered Funds LLC	6,520	$1.02M	0.0%	N/A	0.009%
8/18/2026	United Capital Financial Advisors LLC	4,510	$708K	0.0%	N/A	0.006%
8/18/2026	Hill City Capital LP	480,000	$75.34M	0.0%	N/A	0.637%
8/18/2026	Hamilton Capital LLC	1,389	$218K	0.0%	N/A	0.002%
8/18/2026	Public Employees Retirement System of Ohio	55,178	$8.66M	0.0%	N/A	0.073%
8/17/2026	Blue Edge Capital LLC	4,012	$630K	0.1%	N/A	0.005%
8/17/2026	Corient Private Wealth LP	349,804	$54.91M	0.0%	N/A	0.464%
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8/17/2026	Bamco Inc. NY	680,431	$106.80M	0.2%	N/A	0.902%
8/17/2026	Bank of America Corp DE	340,259	$53.41M	0.0%	N/A	0.451%
8/15/2026	Caisse de depot et placement du Quebec	39,400	$6.18M	0.0%	N/A	0.052%
8/15/2026	Man Group plc	51,226	$8.04M	0.0%	N/A	0.068%
8/15/2026	Jupiter Topco LLC	361,701	$56.81M	0.0%	N/A	0.480%
8/14/2026	Hsbc Holdings PLC	21,481	$3.37M	0.0%	N/A	0.028%
8/14/2026	PDT Partners LLC	28,662	$4.50M	0.2%	N/A	0.038%
8/14/2026	Legal & General Group Plc	243,190	$38.17M	0.0%	N/A	0.323%
8/14/2026	The Manufacturers Life Insurance Company	52,138	$8.18M	0.0%	N/A	0.069%
8/14/2026	Vega Investment Solutions	316	$50K	0.0%	N/A	0.000%
8/14/2026	Cetera Trust Company N.A	2,730	$429K	0.2%	N/A	0.004%
8/14/2026	Cullen Capital Management LLC	5,184	$814K	0.0%	N/A	0.007%
8/13/2026	D.B. Root & Company LLC	4,221	$663K	0.1%	N/A	0.006%
8/13/2026	Hill City Capital LP	480,000	$75.34M	1.9%	N/A	0.637%
8/13/2026	Cibc World Market Inc.	8,145	$1.28M	0.0%	N/A	0.011%
8/13/2026	Sanctuary Advisors LLC	3,957	$621K	0.0%	N/A	0.005%
8/13/2026	Meiji Yasuda Asset Management Co Ltd.	1,653	$259K	0.0%	N/A	0.002%
8/12/2026	Northwestern Mutual Wealth Management Co.	347	$55K	0.0%	N/A	0.000%
8/12/2026	Evolve Private Wealth LLC	2,309	$362K	0.0%	N/A	0.003%
8/12/2026	Emerald Investment Advisers LLC	1,510	$237K	0.0%	N/A	0.002%
8/12/2026	Callan Family Office LLC	3,154	$495K	0.0%	N/A	0.004%
8/11/2026	Allworth Financial LP	163	$26K	0.0%	N/A	0.000%
8/11/2026	B. Metzler seel. Sohn & Co. AG	30,267	$4.75M	0.0%	N/A	0.039%
8/11/2026	Advisors Capital Management LLC	30,146	$4.73M	0.1%	N/A	0.039%
8/11/2026	Madison Asset Management LLC	19,452	$3.05M	0.0%	N/A	0.025%
8/10/2026	Great Lakes Advisors LLC	1,904	$299K	0.0%	N/A	0.002%
8/10/2026	Diversify Advisory Services LLC	3,615	$518K	0.0%	N/A	0.005%
8/8/2026	Oxbow Advisors LLC	23,425	$3.68M	0.3%	N/A	0.031%
8/8/2026	Summit Creek Advisors LLC	2,170	$341K	0.1%	N/A	0.003%
8/7/2026	BlackRock Inc.	7,469,940	$1.17B	0.0%	N/A	9.747%
8/7/2026	Deutsche Bank AG	103,811	$16.29M	0.0%	N/A	0.135%
8/7/2026	Perigon Wealth Management LLC	4,500	$706K	0.0%	N/A	0.006%
8/7/2026	Trust Co. of Vermont	1,392	$218K	0.0%	N/A	0.002%
8/6/2026	Global Retirement Partners LLC	1,507	$237K	0.0%	N/A	0.002%
8/6/2026	Bank of New York Mellon Corp	472,119	$74.10M	0.0%	N/A	0.616%
8/6/2026	ABN AMRO Bank N.V.	114,578	$18.01M	0.2%	N/A	0.149%
8/6/2026	Avalon Trust Co	270	$42K	0.0%	N/A	0.000%
7/9/2026	First Bank & Trust	1,579	$248K	0.0%	N/A	0.002%
7/9/2026	Valeo Financial Advisors LLC	2,672	$419K	0.0%	+59.6%	0.003%
7/8/2026	Assenagon Asset Management S.A.	26,815	$4.21M	0.0%	+196.9%	0.035%
7/7/2026	Dynamic Advisor Solutions LLC	14,329	$2.25M	0.1%	+7.6%	0.019%
7/7/2026	BDF Gestion	11,686	$1.83M	0.2%	-10.1%	0.015%
7/7/2026	Harbor Investment Advisory LLC	505	$79K	0.0%	+4,950.0%	0.001%
7/2/2026	Versant Capital Management Inc	472	$74K	0.0%	-44.7%	0.001%
6/15/2026	Lombard Odier Asset Management Europe Ltd	111,124	$15.24M	0.1%	+87.0%	0.145%
6/9/2026	Rathbones Group PLC	130,792	$17.94M	0.1%	-14.0%	0.171%
5/22/2026	Segall Bryant & Hamill LLC	54,391	$7.46M	0.1%	N/A	0.070%
5/20/2026	Liontrust Investment Partners LLP	524,782	$71.96M	1.0%	-8.5%	0.674%
5/19/2026	Dayah Capital LLC	12,801	$1.76M	0.7%	N/A	0.016%
5/19/2026	Bank of America Corp DE	439,577	$60.28M	0.0%	-3.9%	0.564%
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5/19/2026	Janus Henderson Group PLC	592,581	$81.28M	0.0%	-1.0%	0.761%
5/19/2026	Oddo BHF Asset Management Sas	4,129	$566K	0.0%	N/A	0.005%
5/18/2026	Amundi	1,288,672	$176.73M	0.0%	+0.7%	1.654%
5/18/2026	EverSource Wealth Advisors LLC	466	$64K	0.0%	+128.4%	0.001%
5/18/2026	California State Teachers Retirement System	86,740	$11.90M	0.0%	+25.4%	0.111%
5/18/2026	Royal Bank of Canada	154,436	$21.18M	0.0%	+12.9%	0.198%
5/16/2026	The Manufacturers Life Insurance Company	51,591	$7.08M	0.0%	-1.7%	0.066%
5/16/2026	Quantinno Capital Management LP	213,971	$29.34M	0.0%	+5.8%	0.275%
5/16/2026	Lazard Asset Management LLC	7,125	$977K	0.0%	+37.3%	0.009%
5/16/2026	Castleark Management LLC	7,190	$986K	0.0%	N/A	0.009%

WMS Institutional Ownership - Frequently Asked Questions

During the previous two years, 563 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 ($368.33M), 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 497 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 ($1.33M), Impax Asset Management Group plc ($1.16M), Hill City Capital LP ($970K), and Wellington Management Group LLP ($908.29K).

Institutional investors have bought a total of 21,376,729 shares in the last 24 months. This purchase volume represents approximately $3.21B in transactions.

Of the 232 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), Interval Partners LP ($747.97K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($660.79K), T. Rowe Price Investment Management Inc. ($514.17K), Amundi ($443.32K), Swedbank AB ($441.17K), and Pictet Asset Management Holding SA ($412.90K).

Institutional investors have sold a total of 10,000,516 shares in the last 24 months. This volume of shares sold represents approximately $1.43B 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 9/15/2026. New 13F filings are added each quarter as they're published.

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Advanced Drainage Systems (WMS) Institutional Ownership

WMS Institutional Buying and Selling by Quarter

Advanced Drainage Systems Major Shareholders & Ownership History

WMS Institutional Ownership - Frequently Asked Questions

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Advanced Drainage Systems (WMS) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Advanced Drainage Systems (NYSE:WMS)

WMS Institutional Buying and Selling by Quarter

Advanced Drainage Systems Major Shareholders & Ownership History

WMS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of WMS shares?

What percentage of Advanced Drainage Systems' stock is owned by institutional investors?

Which institutional investors have been buying Advanced Drainage Systems' stock?

How much institutional buying is happening at Advanced Drainage Systems?

Which of Advanced Drainage Systems' major shareholders have been selling company stock?

How much institutional selling is happening at Advanced Drainage Systems?

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