Advanced Drainage Systems Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:WMS Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
31 May 24	SellUS$1,725,844	Michael Huebert	Individual	10,000	US$172.58
31 May 24	SellUS$648,601	Tim Makowski	Individual	3,800	US$170.68
21 May 24	SellUS$735,215	Darin Harvey	Individual	4,133	US$177.89
06 Mar 24	SellUS$1,635,209	Michael Huebert	Individual	10,000	US$163.52
16 Feb 24	SellUS$1,625,400	M.A. Haney	Individual	10,000	US$162.54
12 Feb 24	SellUS$1,497,143	Robert Klein	Individual	9,163	US$163.39

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of WMS?
Owner Type	Number of Shares	Ownership Percentage
State or Government	61,038	0.0787%
General Public	420,361	0.542%
Individual Insiders	1,135,696	1.46%
Employee Share Scheme	5,464,241	7.05%
Institutions	70,454,812	90.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 65.69% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.2%	BlackRock, Inc.	7,942,997	US$929.0m	4.77%	0.01%
9.39%	The Vanguard Group, Inc.	7,279,469	US$851.4m	-0.1%	0.01%
7.05%	Advanced Drainage Systems, Inc. Employee Stock Ownership Plan	5,464,241	US$639.1m	-8.06%	no data
4.16%	Pictet Asset Management Limited	3,229,016	US$377.7m	25.4%	0.32%
3.92%	Baillie Gifford & Co.	3,038,893	US$355.4m	-2.75%	0.15%
3.28%	State Street Global Advisors, Inc.	2,541,688	US$297.3m	8.82%	0.01%
2.42%	Impax Asset Management Group Plc	1,879,948	US$219.9m	-9.46%	0.6%
2.08%	Invesco Capital Management LLC	1,615,145	US$188.9m	13.4%	0.07%
2.03%	Pictet Asset Management SA	1,576,477	US$184.4m	0.01%	0.34%
1.84%	Boston Partners Global Investors, Inc.	1,426,641	US$166.9m	-13.4%	0.1%
1.79%	American Century Investment Management Inc	1,386,032	US$162.1m	2.3%	0.08%
1.79%	Swedbank Robur Fonder AB	1,384,276	US$161.9m	5.77%	0.11%
1.73%	UBS Asset Management AG	1,341,308	US$156.9m	-2.63%	0.01%
1.67%	Thrivent Investment Management Inc.	1,294,936	US$151.5m	-6.35%	0.27%
1.53%	First Trust Advisors LP	1,188,718	US$139.0m	59.1%	0.11%
1.53%	Geode Capital Management, LLC	1,186,878	US$138.8m	5.25%	0.01%
1.48%	William Blair Investment Management, LLC	1,148,235	US$134.3m	-20.1%	0.16%
1.11%	Canada Pension Plan Investment Board	863,232	US$101.0m	-2.15%	0.08%
1.09%	Berkshire Partners LLC	842,895	US$98.6m	0%	6.3%
1.05%	Eaton Vance Management	815,053	US$95.3m	1.03%	0.02%
1.01%	Dimensional Fund Advisors LP	784,862	US$91.8m	1.59%	0.01%
0.93%	BNP Paribas Asset Management Europe	723,158	US$84.6m	0%	0.21%
0.9%	Norges Bank Investment Management	697,383	US$81.6m	0%	0.01%
0.83%	Liontrust Asset Management PLC	644,406	US$75.4m	0%	0.31%
0.82%	Northern Trust Global Investments	634,528	US$74.2m	-0.95%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/27 02:09
End of Day Share Price	2024/12/27 00:00
Earnings	2024/09/30
Annual Earnings	2024/03/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

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Analyst Sources

Advanced Drainage Systems, Inc. is covered by 12 analysts. 7 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Michael Halloran	Baird
Stephen Kim	Barclays
Matthew Bouley	Barclays