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PROFESSIONAL ADVISORY SERVICES INC

PROFESSIONAL ADVISORY SERVICES INC is an Investment Adviser institutional filer with the SEC under CIK 894205, reporting 90 portfolio positions, with 15 historical 13F filings on file. Most recent reporting period: 2026-09-30.

A Form 13F reports a manager's US-listed stock and option positions only. It does not include real estate, private funds, bonds, cash or non-US holdings, so a 13F portfolio value is not the firm's total assets under management (AUM).

  • State of incorporation: FL
  • Filing type: 13F-HR
  • Latest reporting period: 2026-09-30
  • Last filed: 2026-10-08

Top 10 portfolio positions

The largest reported holdings in PROFESSIONAL ADVISORY SERVICES INC's most recent 13F filing, ranked by reported market value.

  1. MICROSOFT (MSFT)
  2. ALPHABET, INC. CLASS C (GOOG)
  3. THERMO FISHER SCIENTIFIC (TMO)
  4. AMAZON (AMZN)
  5. BERKSHIRE HATHAWAY INC-B (BRK.B)
  6. ASTRAZENECA PLC (AZN)
  7. APPLE (AAPL)
  8. ISHARES TR S&P MID ETF (IJH)
  9. AMPHENOL CORP (APH)
  10. STRYKER (SYK)
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