MetaCap

ADTRAN (ADTN) vs Harmonic (HLIT)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.

Summary

Harmonic (HLIT) has outperformed ADTRAN (ADTN) over the past year, gaining 7.0% versus a loss of 17.6%. Over five years, HLIT leads with a +19.4% price change compared with -58.8% for ADTN. Harmonic is the larger company by market cap ($1.20 billion vs $607.9 million), about 2.0 times the size.

On valuation, ADTRAN trades at a lower forward P/E (12.8x vs 13.6x for Harmonic).

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

ADTN-17.60%HLIT+6.96%
+120%+44%-32%
Oct 8, 20251 yearOct 8, 2026
ADTN-60.47%HLIT+27.98%
+117%+16%-86%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

ADTN versus HLIT key metrics
MetricADTNHLIT
Share price$7.46$10.99
Market cap$607.85M$1.20B
1-day change-0.40%-0.72%
YTD return-13.81%+11.93%
1-year return-17.60%+6.96%
5-year return-58.82%+19.42%
P/E ratio (TTM)—42.27
Forward P/E12.8013.61
EPS (TTM)$-0.28$0.26
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$19.98$17.68
52-week low$6.73$8.47
Distance from 52-week high-62.66%-37.84%
Analyst consensusnonebuy
Avg. price target upside+96.65%+46.86%
Average volume2.00M1.52M
Shares outstanding81.48M109.07M
Employees3,201552
SectorUtilitiesTechnology
IndustryTelecommunications EquipmentRadio And Television Broadcasting And Communications Equipment

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • HLIT has outperformed ADTN by 24.6 percentage points over the past year.
  • The two companies sit in different sectors: ADTRAN in Utilities and Harmonic in Technology.

About ADTRAN

ADTN stock →

ADTRAN Holdings, Inc. provides networking and communications platforms, software, systems, and services in the United States, Germany, the United Kingdom, and internationally.

Utilities · Telecommunications Equipment · 3,201 employees

About Harmonic

HLIT stock →

Harmonic Inc., together with its subsidiaries, provides broadband access solutions worldwide. The company provides software-based broadband access solution, including cOS software-based broadband access solutions to broadband operators, an end-to-end solution consisting of virtualized cloud-native software; hardware products include Oyster, Ripple and SeaStar DAA nodes; Reef and Wave PHY shelf products; pebble remote PHY Devices; and fin, pearl and pier OLT modules and devices; and cOS software-based broadband access solutions to broadband operators; and cOS central cloud services, a subscription service for cOS customers.

Technology · Radio And Television Broadcasting And Communications Equipment · 552 employees

ADTN vs HLIT FAQ

Which is bigger, ADTRAN or Harmonic?

Harmonic (HLIT) is larger, with a market capitalization of $1.20B compared with $607.85M for ADTRAN (ADTN).

Which stock has performed better over the past year, ADTN or HLIT?

HLIT returned +6.96% over the past 12 months, compared with -17.60% for ADTN (price return, excluding dividends). Past performance does not predict future results.

Are ADTRAN and Harmonic in the same industry?

No. ADTRAN is in the Utilities sector, while Harmonic is in Technology.

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