Advanced Drainage Systems Ownership | Who Owns Advanced Drainage Systems?
Advanced Drainage Systems Ownership Summary
Advanced Drainage Systems is owned by 87.59% institutional investors, 9.03% insiders, and 3.38% retail investors. Blackrock is the largest institutional shareholder, holding 9.69% of WMS shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.22% of its assets in Advanced Drainage Systems shares.
WMS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Advanced Drainage Systems | 87.59% | 9.03% | 3.38% |
| Sector | Industrials Stocks | 39.05% | 12.85% | 48.10% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 7.58M | 9.69% | $1.22B |
| Blackrock funding, inc. /de | 7.42M | 9.57% | $858.06M |
| Vanguard group | 7.33M | 9.46% | $847.61M |
| Pictet asset management sa | 3.13M | 4.04% | $361.85M |
| Baillie gifford | 2.67M | 3.44% | $308.55M |
| Impax asset management group | 2.53M | 3.26% | $291.72M |
| State street | 2.34M | 2.98% | $374.60M |
| Ubs asset management americas | 2.06M | 2.66% | $238.66M |
| First trust advisors lp | 1.73M | 2.23% | $200.31M |
| Invesco | 1.69M | 2.18% | $195.20M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Triodos investment management bv | 539.81K | 5.05% | $62.40M |
| Owls nest partners ia | 192.35K | 4.93% | $22.24M |
| Alpine peaks capital, lp | 46.32K | 4.40% | $5.35M |
| Lodge hill capital | 134.94K | 4.30% | $15.60M |
| Mig capital | 231.82K | 2.76% | $26.80M |
| Edentree asset management | 39.56K | 2.01% | $6.34M |
| Ewing morris & co. investment partners | 30.70K | 1.76% | $5.10M |
| Advantage alpha capital partners lp | 62.24K | 1.70% | $7.19M |
| Montanaro asset management | 67.70K | 1.62% | $7.83M |
| Fernbridge capital management lp | 243.75K | 1.48% | $28.18M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ubs asset management americas | 2.06M | 0.06% | 799.57K |
| Norges bank | 745.55K | 0.01% | 745.55K |
| Impax asset management group | 2.53M | 1.32% | 650.05K |
| First trust advisors lp | 1.73M | 0.18% | 544.11K |
| T. rowe price investment management | 406.54K | 0.03% | 406.54K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Thrivent financial for lutherans | 140.19K | 0.03% | -1.15M |
| Blackrock funding, inc. /de | 7.42M | 0.02% | -520.34K |
| Alyeska investment group | - | - | -422.08K |
| Close asset management | - | - | -374.93K |
| Mirae asset global investments | - | - | -370.80K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 745.55K | 0.01% | 745.55K | $86.19M |
| T. rowe price investment management | 406.54K | 0.03% | 406.54K | $47.00M |
| Zimmer partners, lp | 210.00K | 0.42% | 210.00K | $24.28M |
| Owls nest partners ia | 192.35K | 4.93% | 192.35K | $22.24M |
| Massachusetts financial services co /ma/ | 24.84K | 0.00% | 24.84K | $2.87M |
Sold Out
| Holder | Change |
|---|---|
| Rothschild investment | -1.00 |
| Nelson, van denburg & campbell wealth management group | -1.00 |
| Manchester capital management | -2.00 |
| New millennium group | -2.00 |
| Rakuten securities | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 472 | -0.42% | 67,928,962 | 1.25% | 87 | 1.17% | 253 | 0.80% | 148 | -3.27% |
| Dec 31, 2024 | 253 | -48.99% | 41,939,922 | -35.33% | 54 | 0.77% | 123 | -46.05% | 84 | -55.56% |
| Sep 30, 2024 | 493 | -3.52% | 64,750,129 | 1.44% | 83 | 1.23% | 226 | -16.61% | 188 | 13.25% |
| Jun 30, 2024 | 506 | 0.60% | 63,816,995 | 2.56% | 81 | 1.28% | 267 | -1.48% | 165 | -2.37% |
| Mar 31, 2024 | 503 | 16.17% | 62,221,361 | -1.12% | 79 | 1.22% | 271 | 34.83% | 169 | -0.59% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.50M | 3.22% | 7.87K |
| Vanguard US Total Market Shares ETF | 2.45M | 3.16% | 1.76K |
| iShares Core S&P Mid-Cap ETF | 2.30M | 2.96% | -4.13K |
| Impax Water Strategy Composite | 1.96M | 2.52% | 179.57K |
| Vanguard Small Cap Index | 1.90M | 2.44% | -60.95K |
| Pictet Water Segregated Accounts | 1.56M | 2.02% | 1.56M |
| Pictet-Water I EUR | 1.50M | 1.93% | -14.36K |
| First Trust RBA Amer Indl RenaisTM ETF | 1.15M | 1.48% | -3.28K |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.09M | 1.40% | -11.67K |
| Vanguard Small Cap Growth Index Inv | 1.06M | 1.37% | -14.29K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 09, 2025 | HARVEY DARIN S. | EVP, Supply Chain & Logistics | Sell | $519.56K |
| Feb 19, 2025 | HARVEY DARIN S. | EVP, Supply Chain & Logistics | Sell | $186.00K |
| May 30, 2024 | Cottrill Scott A | EVP, CFO AND SECRETARY | Sell | $12.67M |
| May 31, 2024 | MAKOWSKI TIM A | See Remarks | Sell | $648.60K |
| May 31, 2024 | HUEBERT MICHAEL G. | Executive Vice President | Sell | $1.73M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | 1 |
| 2024 Q4 | - | - |
| 2024 Q3 | - | - |
| 2024 Q2 | - | 7 |
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