LORD, ABBETT & CO. LLC

New 13F: Q3 2026

LORD, ABBETT & CO. LLC filed its 13F for the quarter ended Sep 30, 2026 on Nov 13, 2026: $12.5B in AI and semiconductor stocks; $1.6B bought and $2.1B sold against its previous quarter, at the quarter's prices.

LORD, ABBETT & CO. LLC declares $13.4B in 87 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 38.3% of its $34.9B 13F portfolio. Largest positions: NVIDIA (0.03% of the company) and Alphabet (0.03% of the company). Over time: $13.4B in 87 of these companies for Q2 2026, against $4.4B in 61 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought $1.7B and sold $1.4B of these stocks, at the quarter's prices: a net purchase of $217.8M; 14 new positions and 8 sold out.

Performance of its AI picks

The AI-stock portfolio LORD, ABBETT & CO. LLC declared for Q2 2026 (Form 13F), held unchanged, returned -4.2% in Q3 2026 (SMH -7.1%), ranked 1505 of 1,785 active managers. Over the last 12 months, quarter after quarter: +29.7% (SMH +87.2%), ranked 606 of 1,360 active managers. Over three years, quarter after quarter: +186.8% (SMH +325.8%), ranked 129 of 784 active managers. Over five years, quarter after quarter: +184.4% (SMH +389.8%), ranked 125 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): $1.6B, 8.0M shares, 0.03% of the company, 4.6% of its portfolio (added this quarter); held since Q4 2019 or earlier
  2. Alphabet (GOOGL): $1.3B, 3.7M shares, 0.03% of the company, 3.8% of its portfolio (added this quarter); held since Q4 2019 or earlier
  3. Lam Research (LRCX): $673.4M, 1.6M shares, 0.12% of the company, 1.9% of its portfolio (added this quarter); held since Q4 2019 or earlier
  4. Broadcom (AVGO): $634.5M, 1.7M shares, 0.04% of the company, 1.8% of its portfolio (added this quarter); held since Q2 2023
  5. TSMC (TSM): $588.7M, 1.2M shares, 0.02% of the company, 1.7% of its portfolio (trimmed this quarter); held since Q4 2022
  6. Apple (AAPL): $459.9M, 1.6M shares, 0.01% of the company, 1.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  7. Microsoft (MSFT): $457.3M, 1.2M shares, 0.02% of the company, 1.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  8. Comfort Systems USA (FIX): $414.8M, 209,302 shares, 0.60% of the company, 1.2% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  9. Analog Devices (ADI): $401.7M, 1.0M shares, 0.21% of the company, 1.1% of its portfolio (added this quarter); held since Q4 2019 or earlier
  10. Amphenol (APH): $301.6M, 3.4M shares, 0.14% of the company, 0.86% of its portfolio (added this quarter); held since Q2 2025
  11. Micron (MU): $292.7M, 253,579 shares, 0.02% of the company, 0.84% of its portfolio (added this quarter); held since Q1 2026
  12. Entergy (ETR): $279.7M, 2.4M shares, 0.51% of the company, 0.80% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  13. EMCOR (EME): $261.6M, 315,213 shares, 0.72% of the company, 0.75% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
  14. Corning (GLW): $233.5M, 913,991 shares, 0.11% of the company, 0.67% of its portfolio (added this quarter); held since Q1 2026
  15. Amazon (AMZN): $230.5M, 967,133 shares, 0.01% of the company, 0.66% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier

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