What is ENPH's dilution risk score?

ENPH has a latest available DilutionScore record of 11/100, categorized as low dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ENPH, including shelf registrations, ATM offerings, warrant exercises, PIPE deals, and reverse split signals when detected in source data.

What SEC filings does DilutionWatch track for ENPH?

DilutionWatch tracks 25 SEC filing types for ENPH including S-3 shelf registrations, 424B prospectuses (ATM offerings), S-1 registration statements, 8-K material events, warrant exercise notices, convertible note agreements, and Form 4 insider transactions. Alerts are delivered via email within minutes of a filing appearing on EDGAR.

How does stock dilution affect ENPH shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For ENPH, common dilution events include at-the-market (ATM) stock offerings, shelf registration drawdowns, warrant exercises, and convertible note conversions. Each event increases the share count and can pressure the stock price lower.

Is DilutionWatch free for ENPH tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for ENPH. Premium plans ($19.95/month Basic, $39.95/month Premium) unlock real-time email alerts, the full Pulse™ feed, advanced dilution forecasts, and access to all 10,000+ tracked tickers.

ENPH Dilution Risk Score: 11/100 (LOW)

Score Breakdown

📋 Offering Ability

💰Cash Runway—

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for ENPH.

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Market Data

Market Cap$4.15B

Shares Outstanding131.80M

Float127.80M

Cash$930.64M

Debt$572.51M

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.

Field	Current Value	Basis
DilutionScore	11/100	DilutionWatch score record
Shares Outstanding	131.80M	Verified float table or market cache
Public Float	127.80M	Verified float table or market cache
Market Cap	$4.15B	Market data cache
Cash Runway	Not applicable / unavailable	DilutionWatch score inputs
Shelf Capacity	None in current score inputs	SEC-derived dilution fields
ATM Capacity	None in current score inputs	SEC-derived dilution fields
Outstanding Warrants	None in current score inputs	SEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 2.

Recent SEC source mix: XBRL 2.

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

Institutional Holdings

10 institutional holders · 60.64M shares

#1 Blackrock Inc. 20.02M shares

#2 Vanguard Portfolio Management LLC 9.66M shares

#3 Vanguard Capital Management LLC 5.67M shares

+ 7 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 Interest28.12M

Days to Cover5.5

% of Float22.0%

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2024-02-09

xbrl XBRL CONVERTIBLE 2017-03-16

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual ENPH Dilution Snapshot

Enphase Energy, Inc. (ENPH) has a DilutionScore of 11/100, rated Low dilution risk. Score date: October 13, 2026.

Recent SEC activity tracked for ENPH: xbrl on 2024-02-09; xbrl on 2017-03-16.

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

ENPH's DilutionScore is currently 11/100 (Low risk), with 1 score change tracked over 89 days. The score improved from 10/100 (Low risk).

Period	Score	Risk Level	Duration
Oct 12 – Oct 13, 2026	11/100	LOW	2 days
Jul 16 – Oct 11, 2026	10/100	LOW	87 days

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

Share Dilution History

ENPH shares outstanding have increased 0.5% from 131.10M (Mar 2026) to 131.80M (May 2026). Each increase represents potential dilution to existing shareholders.

Date	Shares Outstanding	Public Float	Change
May 22, 2026	131.80M	127.80M	▼ 0.01%
Apr 30, 2026	131.80M	127.82M	▲ 0.53%
Apr 25, 2026	131.78M	127.14M	▲ 0.04%
Apr 07, 2026	131.78M	127.10M	▲ 0.02%
Mar 22, 2026	131.10M	127.07M	▲ 0.10%
Mar 14, 2026	131.10M	126.94M	▼ 0.05%

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

Track ENPH Dilution Risk in Real-Time

DilutionWatch monitors SEC filings 24/7 and alerts you the moment ENPH files a shelf registration, ATM offering, warrant notice, or convertible note. Free tier available — no credit card required.

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