PROFESSIONAL ADVISORY SERVICES INC
Long book
$724.4M
Q1 2026
Positions
80
Top-10 weight
40%
concentration
Last quarter
+16.8%
SPY +14.8%
Turnover
5%
of book per quarter
Strategy in plain words
auto-generated from filingsPROFESSIONAL ADVISORY SERVICES INC is a diversified fundamental manager, running a $724.4M US long book across 80 positions.
The portfolio is moderately concentrated (top 10 ≈ 40% of the book). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: ALPHABET INC-CL C, MICROSOFT CORP, ISHARES MSCI EMR MRK EX CHNA, AMAZON.COM INC, BERKSHIRE HATHAWAY INC-CL B.
Over the last 9 quarters its long book ran on average 1.4pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-0.2%
Q2 2024
+6.9%
Q3 2024
-2.4%
Q4 2024
-0.4%
Q1 2025
+4.7%
Q2 2025
+4.5%
Q3 2025
+2.9%
Q4 2025
-4.8%
Q1 2026
+16.8%
Sector allocation
Technology 26%
Financials 18%
Industrials 16%
Consumer discretionary 11%
Services media 9%
Other 7%
Healthcare 4%
Consumer staples 4%
Long book by quarter
What does PROFESSIONAL ADVISORY own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| GOOG ALPHABET INC-CL C | Technology | 123.1K | $35.3M | 4.9% | -5.0% |
| MSFT MICROSOFT CORP | Technology | 91.5K | $33.9M | 4.7% | +14.8% |
| AMZN AMAZON.COM INC | Consumer discretionary | 153.7K | $32.0M | 4.4% | +6.4% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 61.6K | $29.5M | 4.1% | +6.4% |
| TMO THERMO FISHER SCIENTIFIC INC | Other | 59.0K | $29.0M | 4.0% | +15.7% |
| PEP PEPSICO INC | Consumer staples | 166.4K | $25.8M | 3.6% | -14.3% |
| AAPL APPLE INC | Technology | 95.2K | $24.2M | 3.3% | +1.0% |
| BKNG BOOKING HOLDINGS INC | Industrials | 5.7K | $24.0M | 3.3% | +33.4% |
| J JACOBS SOLUTIONS INC | Industrials | 188.4K | $24.0M | 3.3% | +6.1% |
| ELV ELEVANCE HEALTH INC | Financials | 76.9K | $22.5M | 3.1% | +3.9% |
| AMD ADVANCED MICRO DEVICES | Technology | 110.4K | $22.5M | 3.1% | +13.8% |
| TJX TJX COMPANIES INC | Consumer discretionary | 138.8K | $22.2M | 3.1% | -9.2% |
| GD GENERAL DYNAMICS CORP | Industrials | 64.5K | $22.1M | 3.1% | -3.9% |
| USB US BANCORP | Financials | 419.5K | $21.8M | 3.0% | +2.7% |
| SPGI S&P GLOBAL INC | Services media | 50.5K | $21.5M | 3.0% | +41.4% |
| ADI ANALOG DEVICES INC | Technology | 66.6K | $21.2M | 2.9% | -1.5% |
| AJG ARTHUR J GALLAGHER & CO | Financials | 97.1K | $21.0M | 2.9% | +23.8% |
| SYK STRYKER CORP | Healthcare | 63.7K | $20.9M | 2.9% | +6.7% |
| V VISA INC-CLASS A SHARES | Services media | 68.4K | $20.7M | 2.9% | +8.4% |
| TFC TRUIST FINANCIAL CORP | Financials | 412.8K | $19.0M | 2.6% | -3.7% |
| SYY SYSCO CORP | Consumer discretionary | 251.3K | $17.9M | 2.5% | -10.8% |
| CARR CARRIER GLOBAL CORP | Industrials | 307.9K | $17.3M | 2.4% | -2.6% |
| ACN ACCENTURE PLC-CL A | Services media | 83.2K | $16.5M | 2.3% | +15.6% |
| ADBE ADOBE INC | Technology | 63.4K | $15.4M | 2.1% | +31.1% |
| T AT&T INC | Communications | 413.2K | $12.0M | 1.7% | -22.6% |
| FBIN FORTUNE BRANDS INNOVATIONS I | Other | 305.2K | $11.9M | 1.6% | -11.2% |
| TMUS T-MOBILE US INC | Communications | 51.7K | $10.9M | 1.5% | +82.7% |
| LRCX LAM RESEARCH CORP | Industrials | 49.1K | $10.5M | 1.4% | -27.1% |
| ASML ASML HOLDING NV-NY REG SHS | Industrials | 5.6K | $7.4M | 1.0% | -27.2% |
| AMAT APPLIED MATERIALS INC | Technology | 19.9K | $6.8M | 0.9% | -35.2% |
| JNJ JOHNSON & JOHNSON | Healthcare | 18.3K | $4.5M | 0.6% | -0.3% |
| GOOGL ALPHABET INC-CL A | Technology | 10.1K | $2.9M | 0.4% | -0.2% |
| PG PROCTER & GAMBLE CO/THE | Other | 11.5K | $1.7M | 0.2% | Held |
| NVDA NVIDIA CORP | Technology | 8.7K | $1.5M | 0.2% | +2.8% |
| XOM EXXON MOBIL CORP | Energy | 7.7K | $1.3M | 0.2% | +0.9% |
| MRK MERCK & CO. INC. | Healthcare | 8.0K | $959K | 0.1% | Held |
| ORCL ORACLE CORP | Technology | 5.8K | $854K | 0.1% | Held |
| CVX CHEVRON CORP | Energy | 4.0K | $828K | 0.1% | Held |
| BA BOEING CO/THE | Industrials | 3.7K | $736K | 0.1% | Held |
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 100 | $718K | 0.1% | Held |
| IBM INTL BUSINESS MACHINES CORP | Technology | 2.9K | $711K | 0.1% | Held |
| PFE PFIZER INC | Healthcare | 23.4K | $657K | 0.1% | Held |
| ABBV ABBVIE INC | Healthcare | 3.0K | $652K | 0.1% | Held |
| HD HOME DEPOT INC | Consumer discretionary | 1.8K | $592K | 0.1% | Held |
| CSCO CISCO SYSTEMS INC | Technology | 7.5K | $584K | 0.1% | Held |
| LOW LOWE'S COS INC | Consumer discretionary | 2.4K | $555K | 0.1% | Held |
| NEE NEXTERA ENERGY INC | Utilities | 5.7K | $532K | 0.1% | Held |
| AXP AMERICAN EXPRESS CO | Financials | 1.5K | $454K | 0.1% | Held |
| CI THE CIGNA GROUP | Financials | 1.5K | $407K | 0.1% | Held |
| MPC MARATHON PETROLEUM CORP | Energy | 1.6K | $387K | 0.1% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 15, 2026 | 80 | $724.4M | confidential $K fixed canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 12, 2026 | 80 | $771.6M | confidential $K fixed canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 29, 2025 | 81 | $768.3M | confidential $K fixed canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 11, 2025 | 84 | $737.1M | confidential $K fixed canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 14, 2025 | 83 | $714.0M | confidential $K fixed canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 15, 2025 | 78 | $724.5M | confidential $K fixed canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 17, 2024 | 81 | $761.7M | confidential $K fixed canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 10, 2024 | 78 | $732.3M | confidential $K fixed canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 22, 2024 | 77 | $736.9M | confidential $K fixed canonical | SEC ↗ |
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