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10 /100
COMPONENT-LIMITED
Score updated Oct 13, 2026

WMS — Advanced Drainage Systems, Inc. Dilution Risk Tracker

Track WMS dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of October 13, 2026, Advanced Drainage Systems, Inc. (WMS) has a DilutionWatch DilutionScore of 10/100, rated LOW dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. Advanced Drainage Systems, Inc. has a market capitalization of $9.50B, 75.41M shares outstanding, 578 institutional holders tracked.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
19
💰Cash Runway—
📊 Float Risk
5
⚠️ Warrant Exposure
15
🔄 Convertible Debt
15

Dilution Forecast

☀️
Clear
No significant dilution signals
model est. 0%
No significant dilution signals detected for WMS.
🔔 Track WMS — Get forecast alerts →

Market Data

Market Cap$9.50B
Shares Outstanding75.41M
Float71.07M
Cash$162.25M
Debt$1.61B
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore10/100DilutionWatch score record
Shares Outstanding75.41MVerified float table or market cache
Public Float71.07MVerified float table or market cache
Market Cap$9.50BMarket data cache
Cash RunwayNot applicable / unavailableDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding WarrantsNone in current score inputsSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 1.

Recent SEC source mix: XBRL 1.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 13.8% shares (2026Q1 vs prior)
578 institutional holders · 83.48M shares
#1 BlackRock, Inc. 7.42M shares
#2 VANGUARD CAPITAL MANAGEMENT LLC 6.85M shares
#3 MORGAN STANLEY 5.04M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest2.98M
Days to Cover3.5
% of Float4.2%
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2026-05-21
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual WMS Dilution Snapshot

Advanced Drainage Systems, Inc. (WMS) has a DilutionScore of 10/100, rated Low dilution risk. Score date: October 13, 2026.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

WMS's DilutionScore has held steady at 10/100 (Low risk) for 89 consecutive days across the tracked period.

Period Score Risk Level Duration
Jul 16 – Oct 13, 202610/100LOW89 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

WMS shares outstanding have decreased 1.7% from 77.90M (May 2026) to 76.60M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 31, 202676.60M71.07M▼ 0.02%
May 26, 202676.60M71.08M▼ 0.13%
May 24, 202676.60M71.18M▼ 1.65%
May 22, 202677.90M72.37M▼ 0.10%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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Score Coverage Note