Security key
00790R104
ADVANCED DRAINAGE SYSTEMS, INC. - Common Stock (WMS)
CUSIP: 00790R104
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 72,556,291
- Total 13F value
- $10,061,834,326
- Share change
- -106,354
- Put/Call ratio
- 44%
- SEC-reported price per share
- $138.70
- Number of holders
- 494
- Value change
- +$28,663,584
- Number of buys
- 237
- Number of sells
- 236
- Shares outstanding
- 78,022,980
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
494
Top holders
10
WMS full security history
Ownership snapshot
Full 13F holder table
ADVANCED DRAINAGE SYSTEMS, INC. SEC filings
ADVANCED DRAINAGE SYSTEMS, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of WMS - ADVANCED DRAINAGE SYSTEMS, INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
17 Jul 2025
13F
13D/G
3/4/5
Lead comparable stake: 8.9%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 8.9%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
8.9%
Mark Haney
0.01%
Luther C. Kissam IV
0%
VANGUARD GROUP INC
9.6%
UBS AM, a distinct business unit ...
4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
8.9%
from 13D/G
|
$812,186,373
7,071,099 shares
|
— | 30 Jun 2025 |
| Mark Haney |
3/4/5
Director
|
0.01%
|
$941,392
8,196 shares
|
— | 17 Jul 2025 |
| Luther C. Kissam IV |
3/4/5
Director
|
0%
|
$226,503
1,972 shares
|
— | 17 Jul 2025 |
| VANGUARD GROUP INC |
13F
Company
|
9.6%
|
$862,480,870
7,508,975 shares
|
— | 30 Jun 2025 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
Company
|
4%
|
$357,519,439
3,112,654 shares
|
— | 30 Jun 2025 |
| Impax Asset Management Group plc |
13F
Company
|
3.9%
|
$348,709,102
3,043,909 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
494
Shares
72,556,291
Rows available
494
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
476
Q3 2025 holders
494
Holder diff
18
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|