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Professional Advisory Services Inc.

CIK 894205 · latest 13F filed 8 October 2026 · Read the filing on EDGAR

Professional Advisory Services Inc. reported 90 US-listed holdings worth $836.9 million in its 13F for the quarter ended 30 September 2026, filed 8 October 2026. Its largest: Microsoft Corp. (4.9%), Alphabet Inc. (4.8%) and Thermo Fisher Scientific Inc. (4.1%). Against the quarter before, it opened 3 positions, added to 24, trimmed 24 and sold out of 6.

The fund asked the SEC to keep some positions private for now; they are not in this filing and appear in an amendment once released.

Reported holdings$836.9M+0.1% on Q2 2026
Positions90-3 on Q2 2026
The largest ten38.5%of its reported holdings
Latest 13FQ3 2026filed 8 October 2026
Where the money is
Added toHeldTrimmed
MSFT4.9%GOOG4.8%TMO4.1%AMZN4.0%BRKB3.8%AZN3.5%AAPL3.5%IJH3.3%APH3.3%SYK3.3%AJG3.2%ELV3.2%BKNG3.1%J3.1%76 more48.8%

The 14 largest of its 90 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.

Reported holdings, quarter by quarter
Q3 2024: $761.7 million in 81 positions$762MQ3 24Q4 2024: $724.5 million in 78 positions$725MQ4 24Q1 2025: $714.0 million in 83 positions$714MQ1 25Q2 2025: $737.1 million in 84 positions$737MQ2 25Q3 2025: $768.3 million in 81 positions$768MQ3 25Q4 2025: $771.6 million in 80 positions$772MQ4 25Q1 2026: $724.4 million in 80 positions$724MQ1 26Q2 2026: $835.7 million in 93 positions$836MQ2 26Q3 2026: $836.9 million in 90 positions$837MQ3 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What its reported holdings returned

Held through each quarter, the holdings it reported returned +17.2% over the 8 quarters to 30 September 2026, against +32.9% for the S&P 500.

Its reported holdingsThe S&P 500
100110120130Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Its holdings +17.2%S&P 500 +32.9%

Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.

What it did on the quarter

Opened 3Added 24Held 39Trimmed 24Sold out 6
Opened: 3Added: 24Held: 39Trimmed: 24Sold out: 6

Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held

Opened 3

  1. Select Sector SPDR Trust XLE$23.0 million
  2. Netflix Inc. NFLX$17.5 million
  3. Veeva Systems Inc. VEEV$243,000

Added to 24

  1. Stryker Corp. SYK+15,572 shares · +19%
  2. Analog Devices Inc. ADI+10,581 shares · +19%
  3. Carrier Global Corp. CARR+68,547 shares · +23%
  4. AstraZeneca PLC AZN+20,339 shares · +13%
  5. TJX Companies Inc. TJX+22,780 shares · +16%
  6. Booking Holdings Inc. BKNG+17,940 shares · +13%
  7. Arthur J. Gallagher & Co. AJG+9,832 shares · +9%
  8. Alphabet Inc. GOOG+4,696 shares · +4%

and 16 more in the table below

Trimmed 24

  1. Thermo Fisher Scientific Inc. TMO-14,207 shares · -22%
  2. iShares Inc. EMXC-70,220 shares · -25%
  3. Microsoft Corp. MSFT-12,732 shares · -14%
  4. Advanced Micro Devices Inc. AMD-8,151 shares · -16%
  5. Apple Inc. AAPL-11,595 shares · -12%
  6. Amphenol Corp. APH-34,515 shares · -10%
  7. Jacobs Solutions Inc. J-19,410 shares · -9%
  8. Amazon.com Inc. AMZN-9,034 shares · -6%

and 16 more in the table below

Sold out of 6

  1. Truist Financial Corp. TFC$19.1 million last quarter
  2. Vanguard Instl Index FD VBIL$1.2 million last quarter
  3. ExxonMobil Holdings Corp. XOM$1.0 million last quarter
  4. iShares Trust IYJ$332,000 last quarter
  5. Ebay Inc. EBAY$207,000 last quarter
  6. Nike, Inc. NKE$201,000 last quarter

What it holds

CompanySharesValueOf its bookChange in shares
Microsoft Corp. MSFT79.9K$41.0 million4.90%-12.7K
Alphabet Inc. GOOG118.4K$40.3 million4.82%+4.7K
Thermo Fisher Scientific Inc. TMO50.6K$34.2 million4.08%-14.2K
Amazon.com Inc. AMZN135.9K$33.9 million4.05%-9.0K
Berkshire Hathaway Inc. Class B BRKB63.2K$31.5 million3.76%-1.2K
AstraZeneca PLC AZN182.0K$29.7 million3.55%+20.3K
Apple Inc. AAPL87.6K$29.2 million3.49%-11.6K
iShares Core S&P Mid-Cap ETF IJH389.6K$28.0 million3.35%+197
Amphenol Corp. APH327.4K$27.6 million3.30%-34.5K
Stryker Corp. SYK99.0K$27.3 million3.26%+15.6K
Arthur J. Gallagher & Co. AJG118.3K$27.0 million3.22%+9.8K
Elevance Health, Inc. ELV68.5K$26.6 million3.18%-127
Booking Holdings Inc. BKNG161.3K$26.3 million3.14%+17.9K
Jacobs Solutions Inc. J194.2K$26.3 million3.14%-19.4K
Advanced Micro Devices Inc. AMD42.9K$26.3 million3.14%-8.2K
Analog Devices Inc. ADI65.9K$26.1 million3.12%+10.6K
Visa Inc. V66.3K$23.8 million2.85%-4.6K
AT&T Inc. T954.6K$23.3 million2.78%-46.5K
PepsiCo Inc. PEP182.0K$23.1 million2.76%-12.7K
Select Sector SPDR Trust XLE374.4K$23.0 million2.75%new
Sysco Corp. SYY289.9K$22.6 million2.70%-9.2K
S&P Global Inc. SPGI57.2K$22.6 million2.70%+1.5K
U.S. Bancorp USB385.8K$22.3 million2.66%-18.2K
General Dynamics Corp. GD66.0K$21.9 million2.62%-980
TJX Companies Inc. TJX165.4K$21.9 million2.62%+22.8K
iShares Inc. EMXC205.3K$20.3 million2.43%-70.2K
Carrier Global Corp. CARR370.4K$20.3 million2.43%+68.5K
Netflix Inc. NFLX252.0K$17.5 million2.10%new
Adobe Inc. ADBE61.7K$14.8 million1.77%-4.2K
Lam Research Corp. LRCX29.3K$9.6 million1.15%-1.8K
ASML Holding N.V. ASML4.4K$8.0 million0.95%+54
Applied Materials Inc. AMAT13.8K$7.0 million0.84%+556
Vanguard Short-Term Corp. BD Idx VCSH81.2K$6.3 million0.75%+3.3K
Johnson & Johnson JNJ18.2K$4.8 million0.58%+8
VG Totl STK Vprs VTI11.3K$4.2 million0.50%no change
Alphabet Inc. GOOGL11.0K$3.8 million0.45%-45
NVIDIA Corp. NVDA10.0K$2.3 million0.27%+77
Vanguard S&P 500 VOO3.3K$2.3 million0.27%+42
iShares SHV18.4K$2.0 million0.24%+5.7K
Invesco Exchange Traded FD T RSP9.6K$2.0 million0.24%+324
Procter & Gamble Co. PG11.5K$1.7 million0.20%no change
SPDR S&P 500 SPY1.7K$1.3 million0.16%-12
AbbVie Inc. ABBV4.5K$1.2 million0.14%+2
Merck & Co., Inc. MRK8.0K$1.2 million0.14%+26
Rockwell Automation, Inc. ROK2.4K$1.0 million0.12%no change
iShares Core S&P 500 ETF IVV1.1K$835,0000.10%-55
Chevron Corp. CVX4.0K$817,0000.10%no change
Cisco Systems, Inc. CSCO7.6K$815,0000.10%+40
Oracle Corp. ORCL5.8K$796,0000.10%-4
Berkshire Hathaway Inc. Del100$747,0000.09%no change
Home Depot, Inc. HD2.5K$717,0000.09%no change
Broadcom Inc. AVGO2.0K$698,0000.08%+2
Boeing Co. BA3.7K$688,0000.08%no change
American Express Co. AXP2.2K$684,0000.08%no change
Pfizer Inc. PFE23.5K$671,0000.08%+19
International Business Machines Corp. IBM2.9K$645,0000.08%no change
Marathon Petroleum Corp. MPC1.6K$626,0000.07%no change
iShares Trust IWF4.6K$580,0000.07%no change
iShares Gold Trust IAU6.3K$490,0000.06%-130
Intel Corp. INTC4.0K$483,0000.06%+15
iShares Russell 2000 ETF IWM1.7K$482,0000.06%no change
Community Trust Bancorp Inc. CTBI6.2K$461,0000.06%no change
Vanguard Russell 2000 Growth ETF VTWG1.7K$436,0000.05%no change
Bank of America Corp. BAC8.0K$435,0000.05%no change
NextEra Energy Inc. NEE5.7K$434,0000.05%no change
McKesson Corp. MCK500$427,0000.05%no change
Walt Disney Co. DIS4.0K$420,0000.05%no change
Cigna Group CI1.5K$415,0000.05%no change
Vanguard Real Estate ETF VNQ4.3K$389,0000.05%no change
Paychex Inc. PAYX3.4K$335,0000.04%no change
AMETEK Inc. AME1.4K$334,0000.04%no change
SPDR Gold Trust GLD875$333,0000.04%no change
Bank of New York Mellon Corp. BNY2.2K$320,0000.04%+12
BlackRock, Inc. BLK300$317,0000.04%no change
Walmart Inc. WMT2.9K$301,0000.04%-50
United Rentals, Inc. URI300$300,0000.04%no change
Abbott Laboratories ABT3.0K$296,0000.04%no change
Lowe's Companies Inc. LOW1.6K$286,0000.03%no change
Philip Morris International Inc. PM1.5K$286,0000.03%no change
RTX Corp. RTX1.5K$282,0000.03%no change
Costco Wholesale Corp. COST300$273,0000.03%-9
Arista Networks, Inc. ANET1.3K$263,0000.03%+14
iShares Trust IWN1.2K$258,0000.03%no change
Sprott Physical Silver Trust PSLV13.3K$257,0000.03%+985
Veeva Systems Inc. VEEV850$243,0000.03%new
Sprott Asset Management LP PHYS7.7K$241,0000.03%no change
CSW Industrials, Inc. CSW800$230,0000.03%no change
Novartis AG NVS1.4K$207,0000.02%no change
Oncolytics Bio ONCY30.0K$20,0000.00%+10.0K
Mainz Biomed N V QUCY10.0K$13,0000.00%no change
Every US-listed position in the fund's 13F for the quarter ended 30 September 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 6 it sold out of are in the box above.