KING LUTHER CAPITAL MANAGEMENT CORP

New 13F: Q3 2026

KING LUTHER CAPITAL MANAGEMENT CORP filed its 13F for the quarter ended Sep 30, 2026 on Nov 5, 2026: $9.4B in AI and semiconductor stocks; $148.5M bought and $391.4M sold against its previous quarter, at the quarter's prices.

KING LUTHER CAPITAL MANAGEMENT CORP declares $9.0B in 78 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 36.7% of its $24.4B 13F portfolio. Largest positions: Alphabet (0.04% of the company) and Apple (0.04% of the company). Over time: $9.0B in 78 of these companies for Q2 2026, against $2.9B in 40 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought $164.8M and sold $358.4M of these stocks, at the quarter's prices: a net sale of $193.6M; 6 new positions and 1 sold out.

Performance of its AI picks

The AI-stock portfolio KING LUTHER CAPITAL MANAGEMENT CORP declared for Q2 2026 (Form 13F), held unchanged, returned +8.2% in Q3 2026 (SMH -7.1%), ranked 216 of 1,785 active managers. Over the last 12 months, quarter after quarter: +16.3% (SMH +87.2%), ranked 1241 of 1,360 active managers. Over three years, quarter after quarter: +112.5% (SMH +325.8%), ranked 676 of 784 active managers. Over five years, quarter after quarter: +113.8% (SMH +389.8%), ranked 461 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. Alphabet (GOOGL): $1.7B, 4.7M shares, 0.04% of the company, 6.8% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  2. Apple (AAPL): $1.6B, 5.5M shares, 0.04% of the company, 6.5% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  3. NVIDIA (NVDA): $1.3B, 6.5M shares, 0.03% of the company, 5.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  4. Microsoft (MSFT): $1.1B, 2.8M shares, 0.04% of the company, 4.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  5. Amazon (AMZN): $796.4M, 3.3M shares, 0.03% of the company, 3.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  6. Broadcom (AVGO): $602.4M, 1.6M shares, 0.03% of the company, 2.5% of its portfolio (added this quarter); held since Q3 2020
  7. Palo Alto Networks (PANW): $302.6M, 887,302 shares, 0.11% of the company, 1.2% of its portfolio (added this quarter); held since Q2 2022
  8. Oracle (ORCL): $216.0M, 1.5M shares, 0.05% of the company, 0.88% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  9. Generac (GNRC): $137.9M, 470,993 shares, 0.80% of the company, 0.56% of its portfolio (added this quarter); held since Q4 2019 or earlier
  10. Eaton (ETN): $135.5M, 317,877 shares, 0.08% of the company, 0.55% of its portfolio (added this quarter); held since Q4 2019 or earlier
  11. Fortinet (FTNT): $119.2M, 776,207 shares, 0.11% of the company, 0.49% of its portfolio (added this quarter); held since Q4 2019 or earlier
  12. Meta Platforms (META): $110.0M, 195,313 shares, 0.01% of the company, 0.45% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  13. Qualcomm (QCOM): $82.1M, 444,281 shares, 0.04% of the company, 0.34% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  14. Cisco (CSCO): $75.1M, 639,625 shares, 0.02% of the company, 0.31% of its portfolio (added this quarter); held since Q4 2019 or earlier
  15. Constellation Energy (CEG): $72.8M, 293,275 shares, 0.08% of the company, 0.30% of its portfolio (added this quarter); held since Q2 2024

By sector

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