WMS

ADVANCED DRAIN SYS INC DEL

WMS·00790R104·US·Common Stock·Industrials - Building Products & Equipment-13D/G

WMS (ADVANCED DRAIN SYS INC DEL) is held by 224 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($1.2B), VANGUARD PORTFOLIO MANAGEMENT LLC ($581.6M), VANGUARD CAPITAL MANAGEMENT LLC ($533.2M). Net institutional sentiment: Mixed.

224
Holders
(18 Elite)
$9.4B
Total Value
42% (235)
Consensus
99 buying - 136 selling
13F: Insider & Congress: Updated regularly
WMS

Smart Money Verdict

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Held by 224 funds
18 elite

Who's Trading

Source dates: Price Oct 15, 2026 · Insiders May 21, 2026 · Activists Apr 29, 2026 · Congress none

InsiderWSWAUN THOMAS J. SR.Tax 100 shMay 20, 2026
InsiderTCTALLEY KEVIN CVest 6K shMay 20, 2026
InsiderBSBARBOUR D. SCOTTVest 29K shMay 20, 2026
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Top Holders

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Action
Increased
7.5M(+0.6%)$1.2B0.0%-16.90%
32
Increased
3.7M(+2.5%)$581.6M0.0%-6.36%
32
Decreased
3.4M(-0.8%)$533.2M0.0%-6.03%
0
Increased
2.7M(+8.2%)$422.8M0.0%+40.78%
34
Increased
2.7M(+30.2%)$417.6M0.2%+1.64%
47
Decreased
2.3M(-4.2%)$368.3M0.1%+27.85%
0
Decreased
1.8M(-4.2%)$289.7M1.9%+76.05%
0
Decreased
1.8M(-10.4%)$288.1M0.3%+40.94%
0
Decreased
1.6M(-1.4%)$256.5M0.1%+11.74%
0
Increased
1.4M(+4.5%)$218.8M0.0%-10.77%
32
Increased
1.4M(+1.7%)$214.7M0.0%+50.25%
31
Increased
1.4M(+5.1%)$212.7M0.1%+0.91%
32
Increased
1.3M(+7.2%)$200.5M0.0%+49.95%
33
Decreased
1.1M(-48.8%)$177M0.2%-4.65%
0
Decreased
1M(-6.4%)$162.5M0.5%+10.04%
0
Decreased
840,488(-20.9%)$131.9M0.0%+0.67%
0
Increased
839,820(+53.7%)$131.8M0.1%-11.73%
51
Decreased
835,672(-14.9%)$131.2M0.0%+39.02%
0
Decreased
696,500(-0.9%)$109.3M0.0%+37.84%
0
Increased
680,431(+133.7%)$106.8M0.2%-5.38%
58

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WMSWMSADVANCED DRAIN SYS INC DEL

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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