Applied Optoelectronics Inc. Common Stock (AAOI)

About AAOI

Applied Optoelectronics, Inc. engages in the design, manufacture, and sale of fiber-optic networking products in the United States, Taiwan, and China. The company offers optical modules, optical filters, lasers, laser components, subassemblies, transmitters and transceivers, turn-key equipment, headend, node, and distribution equipment, as well as amplifiers. It sells its products to internet data center operators, c…

Sector

Technology

Industry

Semiconductors

Employees

4,691

Website

ao-inc.com/

Fundamentals

1-day range

$105.15$110.9

Market cap

$8.84B

P/E (trailing)

—

P/E (forward)

23.08

EPS (trailing)

$-0.78

Dividend yield

—

Beta

3.84

Avg. volume

12.05M

Forecasts

5 analyst ratings

Applied Optoelectronics Inc. Common Stock Competitors

Chosen by industry and closest market cap.

• AAOI

  Applied Optoelectronics Inc. Common Stock

  $106.21

  ▼ 6.24%
  Market cap $8.84BP/E —
  $18.5$233.67
• FORM

  FormFactor Inc. FormFactor Inc. Common Stock

  $101.59

  ▼ 7.84%
  Market cap $8.48BP/E 91.16
  $27.81$160.27
• ALGM

  Allegro MicroSystems Inc. Common Stock

  $35.73

  ▼ 4.95%
  Market cap $7.74BP/E 579.25
  $22.41$71.77
• RMBS

  Rambus Inc. Common Stock

  $85.72

  ▼ 5.92%
  Market cap $10.00BP/E 45.84
  $70.9$174.1
• SMTC

  Semtech Corporation Common Stock

  $131.15

  ▼ 7.92%
  Market cap $11.09BP/E —
  $55.18$177.35
• ENPH

  Enphase Energy Inc. Common Stock

  $37.26

  ▼ 5.07%
  Market cap $5.20BP/E 40.21
  $25.78$73.74
• AMKR

  Amkor Technology Inc. Common Stock

  $47.88

  ▼ 7.46%
  Market cap $12.63BP/E 25.23
  $23.37$96.68

P/E shows — for peers not currently carrying a live signal of their own.

Latest news

• Applied Optoelectronics: The Revenue Concentration Should Scare You
  SeekingAlpha · 8/27/2026
• Here's How Much $100 Invested In Applied Optoelectronics 10 Years Ago Would Be Worth Today
  Benzinga · 8/26/2026
• Nasdaq Tumbles 200 Points as Chip Stocks Slide: Fear & Greed Index Remains In ‘Neutral’ Zone
  Benzinga · 8/25/2026
• Applied Optoelectronics: Investors Are Over-Discounting Growth Prospects
  SeekingAlpha · 8/25/2026
• Memory Stocks Slide as Trump Threatens 50% Tariffs on Canadian Autos, Steel in 2027: Stock Market Today
  Benzinga · 8/24/2026
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  Benzinga · 8/24/2026

• Murry Stefan J. · August 10, 2026 · Sale

  4.0K @ $144.79
• Yeh Shu-Hua (Joshua) · August 4, 2026 · Sale

  4.7K @ $126.5
• Lin Chih-Hsiang (Thompson) · July 31, 2026 · Grant

  9.3K
• Kuo David C · July 22, 2026 · Tax Withholding

  407 @ $119.26
• Kuo David C · July 22, 2026 · Tax Withholding

  516 @ $119.26
• Kuo David C · July 22, 2026 · Tax Withholding

  472 @ $119.26
• Kuo David C · July 22, 2026 · Tax Withholding

  1.9K @ $119.26
• Murry Stefan J. · July 22, 2026 · Tax Withholding

  770 @ $119.26
• Murry Stefan J. · July 22, 2026 · Tax Withholding

  988 @ $119.26
• Murry Stefan J. · July 22, 2026 · Tax Withholding

  679 @ $119.26
• Murry Stefan J. · July 22, 2026 · Tax Withholding

  3.0K @ $119.26
• Chang Hung-Lun (Fred) · July 22, 2026 · Tax Withholding

  616 @ $119.26
• Chang Hung-Lun (Fred) · July 22, 2026 · Tax Withholding

  773 @ $119.26
• Chang Hung-Lun (Fred) · July 22, 2026 · Tax Withholding

  613 @ $119.26
• Chang Hung-Lun (Fred) · July 22, 2026 · Tax Withholding

  2.7K @ $119.26

Institutional Ownership

March 31, 2026

Total shares held

61.83M

Total value held

$4.97B

Institutional holders

375