WMS
ADVANCED DRAINAGE SYSTEMS, INC.
Plastics Foam ProductsNYSELarge accelerated filer
Total Trades
75
Buys
1
Sells
56
Largest Trade
$1M+
Insiders
15
Institutional Funds
460
Inst. Value
$1M+
Activist Filings
12
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| EVERSOLE ROBERT M | Director | SELL | $1M+ | 11K | $152.82 | Dec 5, 2025 |
| WAUN THOMAS J. SR. | EVP, International | SELL | $100K–$500K | 2K | $155.00 | Dec 1, 2025 |
| WAUN THOMAS J. SR. | EVP, International | SELL | $100K–$500K | 2K | $149.05 | Nov 13, 2025 |
| BARBOUR D. SCOTT | See Remarks | SELL | $1M+ | 80K | $148.95 | Nov 13, 2025 |
| BARBOUR D. SCOTT | See Remarks | EXERCISE | $1M+ | 80K | $25.75 | Nov 13, 2025 |
| MAKOWSKI TIM A | See Remarks | SELL | $500K+ | 5K | $149.21 | Nov 13, 2025 |
| HARVEY DARIN S. | EVP | SELL | $500K+ | 4K | $116.39 | Jun 11, 2025 |
| HARVEY DARIN S. | EVP | EXERCISE | $100K–$500K | 1K | $96.51 | Feb 21, 2025 |
| HARVEY DARIN S. | EVP | SELL | $100K–$500K | 2K | $125.00 | Feb 21, 2025 |
| Cottrill Scott A | EVP | SELL | $1M+ | 73K | $173.11 | Jun 3, 2024 |
| Cottrill Scott A | EVP | EXERCISE | $1M+ | 73K | $24.20 | Jun 3, 2024 |
| MAKOWSKI TIM A | See Remarks | SELL | $500K+ | 4K | $170.68 | Jun 3, 2024 |
| HUEBERT MICHAEL G. | Executive Vice Pre… | SELL | $1M+ | 10K | $172.58 | Jun 3, 2024 |
| BARBOUR D. SCOTT | See Remarks | SELL | $1M+ | 86K | $174.10 | May 29, 2024 |
| BARBOUR D. SCOTT | See Remarks | EXERCISE | $1M+ | 86K | $27.44 | May 29, 2024 |
| KLEIN ROBERT M | EVP, Sales | SELL | $500K+ | 3K | $175.95 | May 29, 2024 |
| KLEIN ROBERT M | EVP, Sales | EXERCISE | $100K–$500K | 3K | $100.06 | May 29, 2024 |
| HARVEY DARIN S. | EVP | EXERCISE | $500K+ | 5K | $102.69 | May 23, 2024 |
| HARVEY DARIN S. | EVP | SELL | $1M+ | 10K | $177.86 | May 23, 2024 |
| JONES ROSS M | Director | SELL | $1M+ | 763K | $163.00 | Mar 1, 2024 |
| Seetharam Anil | Director | SELL | $1M+ | 763K | $163.00 | Mar 1, 2024 |
| WAUN THOMAS J. SR. | EVP, International | SELL | $100K–$500K | 2K | $164.39 | Feb 29, 2024 |
| WAUN THOMAS J. SR. | EVP, International | EXERCISE | $50K–$100K | 2K | $46.89 | Feb 29, 2024 |
| Haney Mark | Director | SELL | $1M+ | 10K | $162.54 | Feb 21, 2024 |
| MAKOWSKI TIM A | See Remarks | EXERCISE | $100K–$500K | 8K | $26.87 | Feb 16, 2024 |
| MAKOWSKI TIM A | See Remarks | SELL | $1M+ | 8K | $161.69 | Feb 16, 2024 |
| KLEIN ROBERT M | EVP, Sales | SELL | $1M+ | 9K | $163.39 | Feb 14, 2024 |
| HUEBERT MICHAEL G. | Executive Vice Pre… | EXERCISE | $100K–$500K | 15K | $26.50 | Nov 16, 2023 |
| HUEBERT MICHAEL G. | Executive Vice Pre… | SELL | $1M+ | 15K | $120.74 | Nov 16, 2023 |
| KLEIN ROBERT M | EVP, Sales | SELL | $500K+ | 6K | $111.85 | Nov 9, 2023 |
| JONES ROSS M | Director | SELL | $1M+ | 80K | $122.37 | Sep 15, 2023 |
| Seetharam Anil | Director | SELL | $1M+ | 80K | $122.37 | Sep 15, 2023 |
| MAKOWSKI TIM A | See Remarks | SELL | $100K–$500K | 3K | $122.35 | Sep 14, 2023 |
| JONES ROSS M | Director | SELL | $1M+ | 171K | $127.05 | Sep 8, 2023 |
| Seetharam Anil | Director | SELL | $1M+ | 171K | $127.05 | Sep 8, 2023 |
| JONES ROSS M | Director | SELL | $1M+ | 225K | $129.41 | Sep 1, 2023 |
| Seetharam Anil | Director | SELL | $1M+ | 225K | $129.41 | Sep 1, 2023 |
| FISCHER ALEXANDER R | Director | SELL | $100K–$500K | 3K | $124.82 | Aug 28, 2023 |
| Seetharam Anil | Director | SELL | $1M+ | 228K | $124.23 | Aug 26, 2023 |
| JONES ROSS M | Director | SELL | $1M+ | 228K | $124.23 | Aug 26, 2023 |
| HUEBERT MICHAEL G. | Executive Vice Pre… | SELL | $500K+ | 8K | $130.11 | Aug 18, 2023 |
| HUEBERT MICHAEL G. | Executive Vice Pre… | EXERCISE | $100K–$500K | 8K | $24.20 | Aug 18, 2023 |
| KLEIN ROBERT M | EVP, Sales | SELL | $1M+ | 8K | $130.09 | Aug 11, 2023 |
| KLEIN ROBERT M | EVP, Sales | EXERCISE | $500K+ | 15K | $43.96 | Aug 11, 2023 |
| HARVEY DARIN S. | EVP | EXERCISE | $50K–$100K | 2K | $41.97 | Aug 9, 2023 |
| HARVEY DARIN S. | EVP | SELL | $100K–$500K | 3K | $134.52 | Aug 9, 2023 |
| MAKOWSKI TIM A | See Remarks | SELL | $100K–$500K | 3K | $109.25 | Jun 14, 2023 |
| HUEBERT MICHAEL G. | Executive Vice Pre… | SELL | $1M+ | 10K | $105.57 | Jun 13, 2023 |
| HARVEY DARIN S. | EVP | SELL | $500K+ | 7K | $102.65 | Jun 7, 2023 |
| TALLEY KEVIN C | EVP and CAO | SELL | $1M+ | 22K | $89.67 | Mar 7, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 460 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 2.5M | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 2.4M | $1M+ | SH |
| Impax Asset Management Group plc | 2.1M | $1M+ | SH |
| Pictet Asset Management Holding SA | 1.7M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 1.5M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.1M | $1M+ | SH |
| NORGES BANK | 1.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.0M | $1M+ | SH |
| Capital International Investors | 936K | $1M+ | SH |
| KBC Group NV | 902K | $1M+ | SH |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 817K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 718K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 688K | $1M+ | SH |
| Mirova US LLC | 661K | $1M+ | SH |
| Triodos Investment Management BV | 538K | $1M+ | SH |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 531K | $1M+ | SH |
| Schonfeld Strategic Advisors LLC | 504K | $1M+ | SH |
| BROWN BROTHERS HARRIMAN & CO | 474K | $1M+ | SH |
| BALYASNY ASSET MANAGEMENT L.P. | 459K | $1M+ | SH |
| WESTWOOD HOLDINGS GROUP INC | 429K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Advanced Drainage Systems Inc. Employee Stock Ownership Plan Trust
SC 13G · Feb 13, 2026
6.0%
4.6M shares
Advanced Drainage Systems Inc. Employee Stock Ownership Plan Trust
SC 13G · Feb 13, 2026
6.0%
4.6M shares
SC 13G/A · Jul 17, 2025
8.9%
6.9M shares
SC 13G/A · Nov 14, 2024
7.0%
5.5M shares
SC 13G/A · Aug 7, 2024
10.2%
7.9M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
8.8%
6.9M shares
SC 13G · Jan 25, 2024
9.0%
7.0M shares
SC 13D/A · Sep 9, 2022
2.4%
2.0M shares
SC 13D/A · Aug 18, 2022
2.4%
2.0M shares
SC 13D/A · Jun 14, 2022
3.5%
3.0M shares
SC 13G/A · Feb 14, 2022
4.3%
3.1M shares
SC 13G/A · Feb 14, 2022
17.1%
12.4M shares