Advanced Drainage
WMS
126.08
-3.99
-3.07%
Advanced Drainage
US · WMS
#1509 by market cap
Listed 1970
126.08
-3.99
-3.07%
Live - 5344 symbols - heartbeat 32s ago
· 2026-10-08 07:41
Pre-market
126.08
0.00%
After-hours
126.08
0.00%
Overnight
125.67
-0.33%
- Market cap
- 9.51B
- P/E (TTM)i
- 21.78
- P/Bi
- 5.31
- EPSi
- 5.44
- Div yieldi
- 0.59%
- 52W posi
- 3%
Reader sentiment
Are you bullish or bearish on WMS?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Distributing
- The number of reporting institutions decreased by 2 in the most recent period (2026/Q3).
- Total institutional ownership fell 6.2 percentage points.
Institutional ownership
- Held by institutions
- 100.85% -6.20pp
- Institutions
- 668 -2
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions trimmed shares last reporting period, and the stock has seen net outflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Mutual Fund80.11%
Hedge Fund6.57%
Corporate Pension Plan6.06%
Public Company2.39%
Sovereign Wealth Fund1.73%
Private Company1.54%
Government Pension Fund1.25%
Individual/Insider1.20%
VC/PE Fund0.87%
Top holders as of 2026-06-30
BlackRock
9.91% · 7.47M sh
Advanced Drainage Systems, Inc. Employee Stock Ownership Plan
6.04% · 4.56M sh
Vanguard Capital Management, LLC
5.11% · 3.85M sh
Vanguard Portfolio Management, LLC
4.91% · 3.71M sh
State Street Global Advisors
3.57% · 2.69M sh
First Trust Advisors L.P.
3.53% · 2.66M sh
UBS Asset Management
3.47% · 2.62M sh
Impax Asset Management Group Plc
2.45% · 1.85M sh
Baillie Gifford
2.43% · 1.84M sh
American Century Investment Management
2.17% · 1.63M sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 33 buys · 17 sells
| Name | Role | Stake |
|---|---|---|
| Donald Barbour | Chief Executive Officer | 0.52% |
| Scott Cottrill | Executive VP, CFO, Secretary & Treasurer | 0.17% |
| Kevin Talley | Executive Vice President | 0.11% |
| Robert Eversole | Independent Chairman of Board | 0.07% |
| Tanya Fratto | Independent Director | 0.04% |
| Manuel Perez de la Mesa | Independent Director | 0.03% |
| Tim Makowski | Chief Accounting Officer, VP & Controller | 0.03% |
| Brian King | Executive Vice President of Product Management & Marketing | 0.03% |
| Thomas Waun | Executive Vice President of International, Product Development & Material Sciences | 0.02% |
| Darin Harvey | Executive Vice President of Supply Chain | 0.02% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-08-31 | Robert Eversole | Independent Chairman of Board | Other Acquisition | +2,386 | -- |
| 2026-08-31 | Robert Eversole | Independent Chairman of Board | Other Disposition | -2,386 | -- |
| 2026-08-31 | Patrick Coyle | Vice President of Logistics & Supply Chain Planning | Sale to Issuer | -26 | $130.75 |
| 2026-08-19 | Donald Barbour | Chief Executive Officer | Other Disposition | -2,000 | -- |
| 2026-07-15 | Manuel Perez de la Mesa | Independent Director | Other Acquisition | +1,782 | -- |
| 2026-07-15 | Anil Seetharam | Independent Director | Other Acquisition | +1,782 | -- |
| 2026-07-15 | Tanya Fratto | Independent Director | Other Acquisition | +1,110 | -- |
| 2026-07-15 | Robert Eversole | Independent Chairman of Board | Other Acquisition | +2,253 | -- |
| 2026-07-15 | Anesa Chaibi | Independent Director | Other Acquisition | +1,110 | -- |
| 2026-07-15 | Michael Coleman | Independent Director | Other Acquisition | +1,110 | -- |
| 2026-07-15 | Alexander Fischer | Independent Director | Other Acquisition | +1,110 | -- |
| 2026-07-15 | Kelly Gast | Independent Director | Other Acquisition | +1,110 | -- |
| 2026-06-11 | Donald Barbour | Chief Executive Officer | Other Acquisition | +511 | $135.72 |
| 2026-06-11 | Donald Barbour | Chief Executive Officer | Other Disposition | -511 | $135.72 |
| 2026-05-25 | Scott Cottrill | Executive VP, CFO, Secretary & Treasurer | Other Acquisition | +2,503 | -- |
| 2026-05-25 | Scott Cottrill | Executive VP, CFO, Secretary & Treasurer | Other Derivative Acquisition | +5,573 | $138.09 |
| 2026-05-25 | Donald Barbour | Chief Executive Officer | Other Acquisition | +9,036 | -- |
| 2026-05-25 | Donald Barbour | Chief Executive Officer | Other Derivative Acquisition | +20,124 | $138.09 |
| 2026-05-25 | Tim Makowski | Chief Accounting Officer, VP & Controller | Other Acquisition | +847 | -- |
| 2026-05-25 | Tim Makowski | Chief Accounting Officer, VP & Controller | Other Derivative Acquisition | +1,886 | $138.09 |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 07:41:45 · For reference only, not investment advice and not tailored to your situation.