As of August 28, 2026, ADTRAN Holdings, Inc. (ADTN) has a DilutionWatch DilutionScore of 24/100, rated LOW dilution risk. ADTRAN Holdings, Inc. has a market capitalization of $1.34B, 81.48M shares outstanding, 227 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
💰Cash Runway—
Dilution Forecast
☀️
Clear
No significant dilution signals
model est. 7%
🔁 Convertible Conversion
model 15%
• Convertible debt present: 14.5% potential dilution
Market Data
Market Cap$1.34B
Shares Outstanding81.48M
Float78.96M
Cash$79.24M
Debt$25.60M
Short InterestN/A
Institutional Holdings
QoQ: ↑ 21.0% shares (2026Q1 vs prior)
227 institutional holders · 88.88M shares
#1
BlackRock, Inc.
7.84M shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
6.85M shares
#3
VANGUARD PORTFOLIO MANAGEMENT LLC
4.77M shares
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 Interest10.65M
Days to Cover4.2
% of Float13.5%
FINRA data as of Jul 31, 2026
Recent SEC Activity
xbrl
XBRL CONVERTIBLE
2026-06-30
8-K
8K EVENT
2026-04-07
4
INSIDER TRANSACTION
2026-04-03
4
INSIDER TRANSACTION
2026-04-03
4
INSIDER TRANSACTION
2026-04-03
Full SEC filing analysis available with free account
→
Recent News
No recent news
Factual ADTN Dilution Snapshot
ADTRAN Holdings, Inc. (ADTN) has a DilutionScore of 24/100, rated Low dilution risk. Score date: August 28, 2026.
- Recent SEC activity tracked for ADTN: xbrl on 2026-06-30; 8-K on 2026-04-07; 4 on 2026-04-03.
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.
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