Sustainable Growth Advisers, LP

New 13F: Q3 2026

Sustainable Growth Advisers, LP filed its 13F for the quarter ended Sep 30, 2026 on Oct 15, 2026: $6.5B in AI and semiconductor stocks; $618.1M bought and $281.7M sold against its previous quarter, at the quarter's prices.

Sustainable Growth Advisers, LP declares $5.6B in 14 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 54.5% of its $10.2B 13F portfolio. Largest positions: NVIDIA (0.02% of the company) and Alphabet (0.02% of the company). Over time: $5.6B in 14 of these companies for Q2 2026, against $3.4B in 9 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought $696.3M and sold $1.4B of these stocks, at the quarter's prices: a net sale of $655.5M; 2 new positions and 1 sold out.

Performance of its AI picks

The AI-stock portfolio Sustainable Growth Advisers, LP declared for Q2 2026 (Form 13F), held unchanged, returned +11.3% in Q3 2026 (SMH -7.1%), ranked 63 of 1,785 active managers. Over the last 12 months, quarter after quarter: +9.7% (SMH +87.2%), ranked 1315 of 1,360 active managers. Over three years, quarter after quarter: +90.6% (SMH +325.8%), ranked 745 of 784 active managers. Over five years, quarter after quarter: +68.1% (SMH +389.8%). 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): $944.5M, 4.7M shares, 0.02% of the company, 9.3% of its portfolio (trimmed this quarter); held since Q2 2023
  2. Alphabet (GOOGL): $752.5M, 2.1M shares, 0.02% of the company, 7.4% of its portfolio (added this quarter); held since Q4 2019 or earlier
  3. Microsoft (MSFT): $561.4M, 1.5M shares, 0.02% of the company, 5.5% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  4. Amazon (AMZN): $543.7M, 2.3M shares, 0.02% of the company, 5.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  5. Apple (AAPL): $505.6M, 1.7M shares, 0.01% of the company, 5.0% of its portfolio (added this quarter); held since Q4 2019 or earlier
  6. Broadcom (AVGO): $481.8M, 1.3M shares, 0.03% of the company, 4.7% of its portfolio (trimmed this quarter); held since Q4 2025
  7. Equinix (EQIX): $361.6M, 346,868 shares, 0.35% of the company, 3.5% of its portfolio (new position this quarter)
  8. Synopsys (SNPS): $360.1M, 807,346 shares, 0.42% of the company, 3.5% of its portfolio (trimmed this quarter); held since Q2 2024
  9. Meta Platforms (META): $344.7M, 611,981 shares, 0.02% of the company, 3.4% of its portfolio (trimmed this quarter); held since Q2 2024
  10. Salesforce (CRM): $235.7M, 1.5M shares, 0.18% of the company, 2.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  11. Arista Networks (ANET): $154.4M, 909,167 shares, 0.07% of the company, 1.5% of its portfolio (new position this quarter)
  12. Arm Holdings (ARM): $136.9M, 385,965 shares, 0.04% of the company, 1.3% of its portfolio (trimmed this quarter); held since Q1 2025
  13. ServiceNow (NOW): $132.2M, 1.3M shares, 0.13% of the company, 1.3% of its portfolio (added this quarter); held since Q1 2023
  14. TSMC (TSM): $43.2M, 90,462 shares, 0.00% of the company, 0.42% of its portfolio (trimmed this quarter); held since Q1 2024

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