Long-term investor
Guinness Atkinson Asset Management Inc. @guinnessatkinsonassetman
Institutional investment manager. Holdings disclosed quarterly to the SEC on Form 13F (CIK 0001409765).
Record
- Tracked since 2025-06-30 (434 days), 48 trades recorded
- Returns: week n/a · month n/a · 90 days +7.0% · 6 months +3.9% · 1 year +11.1% · all +11.1%
- Max drawdown -3.0% · Sharpe 0.57 · win rate 10% · data quality Good
- Source: SEC 13F Filings (live) (SEC EDGAR; typical delay 45 days)
Open positions
- TSM · 5.5% · long · since 2025-06-30
- AVGO · 4.8% · long · since 2025-06-30
- AMAT · 4.6% · long · since 2025-06-30
- KLAC · 4.5% · long · since 2025-06-30
- LRCX · 4.0% · long · since 2025-06-30
- APH · 4.0% · long · since 2025-06-30
- AMD · 3.7% · long · since 2026-06-30
- GOOGL · 3.2% · long · since 2025-06-30
- AMZN · 3.2% · long · since 2025-06-30
- NVDA · 3.1% · long · since 2025-06-30
- MSFT · 3.0% · long · since 2025-06-30
- V · 3.0% · long · since 2025-06-30