Calamos Advisors LLC

New 13F: Q3 2026

Calamos Advisors LLC filed its 13F for the quarter ended Sep 30, 2026 on Nov 2, 2026: $10.5B in AI and semiconductor stocks; $654.1M bought and $145.7M sold against its previous quarter, at the quarter's prices.

Calamos Advisors LLC declares $9.5B in 108 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 31.5% of its $30.1B 13F portfolio. Largest positions: NVIDIA (0.03% of the company) and Apple (0.03% of the company). Over time: $9.5B in 108 of these companies for Q2 2026, against $3.2B in 68 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought $240.0M and sold $1.5B of these stocks, at the quarter's prices: a net sale of $1.2B; 11 new positions and 10 sold out.

Performance of its AI picks

The AI-stock portfolio Calamos Advisors LLC declared for Q2 2026 (Form 13F), held unchanged, returned +5.2% in Q3 2026 (SMH -7.1%), ranked 562 of 1,785 active managers. Over the last 12 months, quarter after quarter: +26.1% (SMH +87.2%), ranked 852 of 1,360 active managers. Over three years, quarter after quarter: +151.7% (SMH +325.8%), ranked 326 of 784 active managers. Over five years, quarter after quarter: +165.8% (SMH +389.8%), ranked 224 of 535 active managers. Trades made during a quarter are not visible in 13F filings: this measures its declared picks, not the return of its funds.

Largest positions

  1. NVIDIA (NVDA): $1.4B, 7.1M shares, 0.03% of the company, 4.7% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  2. Apple (AAPL): $1.1B, 3.9M shares, 0.03% of the company, 3.8% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  3. Alphabet (GOOGL): $1.0B, 2.9M shares, 0.02% of the company, 3.5% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  4. Microsoft (MSFT): $762.8M, 2.0M shares, 0.03% of the company, 2.5% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  5. Amazon (AMZN): $713.0M, 3.0M shares, 0.03% of the company, 2.4% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  6. Broadcom (AVGO): $519.3M, 1.4M shares, 0.03% of the company, 1.7% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  7. Meta Platforms (META): $370.4M, 657,623 shares, 0.03% of the company, 1.2% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  8. Micron (MU): $361.8M, 313,454 shares, 0.03% of the company, 1.2% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  9. AMD (AMD): $314.1M, 540,770 shares, 0.03% of the company, 1.0% of its portfolio (added this quarter); held since Q4 2019 or earlier
  10. Applied Materials (AMAT): $219.4M, 303,395 shares, 0.04% of the company, 0.73% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  11. Intel (INTC): $177.1M, 1.3M shares, 0.02% of the company, 0.59% of its portfolio (added this quarter); held since Q4 2019 or earlier
  12. Caterpillar (CAT): $160.0M, 150,261 shares, 0.03% of the company, 0.53% of its portfolio (added this quarter); held since Q4 2019 or earlier
  13. Lam Research (LRCX): $158.4M, 365,435 shares, 0.03% of the company, 0.53% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  14. GE Vernova (GEV): $145.3M, 123,656 shares, 0.05% of the company, 0.48% of its portfolio (trimmed this quarter); held since Q2 2024
  15. Cisco (CSCO): $138.5M, 1.2M shares, 0.03% of the company, 0.46% of its portfolio (added this quarter); held since Q4 2019 or earlier

By sector

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