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FIRST SOLAR INC FSLR

First Solar, Inc., a solar technology company, provides photovoltaic (PV) solar energy solutions in the United States, France, India, Chile, and internationally. The company manufactures and sells PV solar modules with thin film semiconductor technology that provides conventional crystalline silicon PV solar modules.

Company profile

Business mix

  • The company manufactures and sells PV solar modules with thin film semiconductor technology that provides conventional crystalline silicon PV solar modules.
  • It also designs, manufactures, and sells cadmium telluride solar modules that convert sunlight into electricity.
  • The company serves system developers, independent power producers, utilities, commercial and industrial companies, large corporate energy buyers, and other system owners and operators.
  • The company was formerly known as First Solar Holdings, Inc. and changed its name to First Solar, Inc. in 2006.

Current key questions

  • Can demand for the company's products and platforms keep growing within solar?
  • How durable are margins as product cycles, R&D spending, cloud or AI investment, and competition change?
  • Does customer concentration, switching cost, or ecosystem control support long-term pricing power?
Holders 1 Current sample portfolio
Public mentions 0 Videos / interviews / letters

Current firm holders

Firm Weight Value Filing period
Ariel Investments John Rogers 0.6% $53.6M 2026-03-31

Recent trading changes over the last 4 quarters

Net buyers 1 Last 4 13F filing periods
Net reducers 0 Last 4 13F filing periods
Unchanged holders 2 Share count unchanged
Increase amount $53.6M Estimated from net added shares
Reduction amount $0 Estimated from net reduced shares
Net share change / base shares New +271,480 / 0
Ariel Investments John Rogers 4 filing periods
13F 2025-06-30 Filed 2025-08-14
New Shares - 13F value change +$50.9M
13F 2025-09-30 Filed 2025-11-14
Minor increase Shares 5.9% 13F value change +$20.9M
13F 2025-12-31 Filed 2026-02-13
Major reduction Shares -22.7% 13F value change -$6.1M
13F 2026-03-31 Filed 2026-05-14
Minor increase Shares 7.9% 13F value change -$12.2M
Settlement As of 13F 2026-03-31 · Filed 2026-05-14
Base shares 0 Last 4 periods +271,480 (New) Total shares 271,480 Value $53.6M
Viking Global Investors Andreas Halvorsen 4 filing periods
13F 2025-03-31 Filed 2025-05-15
New Shares - 13F value change +$178.4M
13F 2025-06-30 Filed 2025-08-14
Major increase Shares 60.6% 13F value change +$196.7M
13F 2025-09-30 Filed 2025-11-14
Major reduction Shares -66.1% 13F value change -$205.8M
13F 2025-12-31 Filed 2026-02-17
Sold out Shares -100.0% 13F value change -$169.4M
Settlement As of 13F 2025-12-31 · Filed 2026-02-17
Base shares 0 Last 4 periods +0 (New) Total shares 0 Value $0
Soros Fund Management George Soros 4 filing periods
13F 2025-03-31 Filed 2025-05-15
New Shares - 13F value change +$38.8M
13F 2025-06-30 Filed 2025-08-14
Major reduction Shares -45.9% 13F value change -$11.3M
13F 2025-09-30 Filed 2025-11-14
Major reduction Shares -67.6% 13F value change -$15.6M
13F 2025-12-31 Filed 2026-02-13
Sold out Shares -100.0% 13F value change -$11.9M
Settlement As of 13F 2025-12-31 · Filed 2026-02-13
Base shares 0 Last 4 periods +0 (New) Total shares 0 Value $0

Recent mentions

No public mentions.