Professional Advisory Services Inc.

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 15, 2026), Professional Advisory Services Inc. reported 80 stock positions worth $795.5 million. Its top holding was Berkshire Hathaway Class A (BRK.A) at 9.0% of the portfolio, followed by Alphabet Class C (GOOG, 4.4%) and Microsoft (MSFT, 4.3%). Compared with Q4 2025, it opened 2 new positions, sold out of 2, added to 24 and reduced 20. The biggest buy was iShares Core S&P Midcap ETF (IJH, shares +18%) and the biggest sale an exit from Astrazeneca PLC-Spons ADR (AZN).

Most Recent 13F
Q2 2026
Location
VERO BEACH, FL
CIK
0000894205
Portfolio Value
$795.5M (Q1 2026)
SEC Filing
0000894205-26-000005 ↗ filed Apr 15, 2026

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $799.7M Q1 2024 Q2 2024: $792.9M Q2 2024 Q3 2024: $830.1M Q3 2024 Q4 2024: $791.7M Q4 2024 Q1 2025: $793.0M Q1 2025 Q2 2025: $809.3M Q2 2025 Q3 2025: $842.9M Q3 2025 Q4 2025: $846.4M Q4 2025 Q1 2026: $795.5M $795.5M Q1 2026 Q2 2026: $909.8M Q2 2026

Holdings 80 stocks · $795.5M
BRK.A Berkshire Hathaway Inc. Class A 9.03% 100 $71.8M No change
GOOG Alphabet Inc. Class C 4.44% 123,091 $35.3M Reduce -5.0%
MSFT Microsoft Corp. 4.26% 91,505 $33.9M Add +14.8%
EMXC iShares MSCI Emr MRK Ex Chna 4.03% 407,423 $32.0M Reduce -4.8%
AMZN Amazon.com Inc. 4.02% 153,674 $32.0M Add +6.4%
BRK.B Berkshire Hathaway Inc. Class B 3.71% 61,581 $29.5M Add +6.5%
TMO Thermo Fisher Scientific Inc. 3.65% 59,015 $29.0M Add +15.7%
IJH iShares Core S&P Midcap ETF 3.27% 384,660 $26.0M Add +17.6%
PEP Pepsico Inc. 3.25% 166,414 $25.8M Reduce -14.3%
AAPL Apple Inc. 3.04% 95,223 $24.2M Add +1.0%
BKNG Booking Holdings Inc. 3.02% 5,705 $24.0M Add +33.4%
J Jacobs Solutions Inc. 3.01% 188,387 $24.0M Add +6.1%
ELV Elevance Health Inc. 2.83% 76,888 $22.5M Add +3.9%
AMD Advanced Micro Devices 2.82% 110,372 $22.5M Add +13.8%
TJX TJX Companies Inc. filed as TJX COS INC NEW 2.79% 138,826 $22.2M Reduce -9.2%
GD General Dynamics Corp. 2.78% 64,466 $22.1M Reduce -3.9%
USB US Bancorp 2.74% 419,495 $21.8M Add +2.7%
SPGI S&P Global Inc. 2.70% 50,500 $21.5M Add +41.4%
ADI Analog Devices Inc. 2.66% 66,623 $21.2M Reduce -1.5%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 2.64% 97,081 $21.0M Add +23.8%
SYK Stryker Corp. 2.63% 63,654 $20.9M Add +6.7%
V Visa Inc. Class A 2.60% 68,412 $20.7M Add +8.4%
TFC Truist Financial Corp. 2.39% 412,787 $19.0M Reduce -3.7%
SYY Sysco Corp. 2.25% 251,274 $17.9M Reduce -10.8%
CARR Carrier Global Corp. 2.18% 307,924 $17.3M Reduce -2.6%
ACN Accenture PLC Class A 2.07% 83,227 $16.5M Add +15.6%
ADBE Adobe Inc. 1.94% 63,409 $15.4M Add +31.1%
T AT&T Inc. 1.51% 413,206 $12.0M Reduce -22.6%
FBIN Fortune Brands Innovations I 1.50% 305,208 $11.9M Reduce -11.2%
TMUS T-Mobile US Inc. 1.37% 51,748 $10.9M Add +82.7%
LRCX Lam Research Corp. 1.32% 49,070 $10.5M Reduce -27.1%
ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 0.93% 5,603 $7.4M Reduce -27.2%
VCSH Vanguard S/T Corp. Bond ETF 0.86% 86,073 $6.8M Reduce -4.0%
AMAT Applied Materials Inc. 0.85% 19,891 $6.8M Reduce -35.2%
JNJ Johnson & Johnson 0.56% 18,261 $4.5M Reduce -0.3%
VTI VG Morningstar TS MKT ETF-US 0.45% 11,260 $3.6M No change
GOOGL Alphabet Inc. Class A 0.37% 10,125 $2.9M Reduce -0.2%
SHV iShares 0-1 Year Treasury Bo 0.33% 23,767 $2.6M Add +52.5%
VOO Vanguard S&P 500 ETF 0.22% 2,928 $1.8M Add +0.8%
PG The Procter & Gamble Co. 0.21% 11,493 $1.7M No change
NVDA Nvidia Corp. 0.19% 8,695 $1.5M Add +2.8%
RSP Invesco S&P 500 Equal Weight 0.18% 7,655 $1.5M Add +6.8%
XOM Exxon Mobil Corp. 0.16% 7,658 $1.3M Add +0.9%
VBIL Vanguard 0-3M T-Bill ETF 0.15% 15,775 $1.2M Reduce -21.1%
SPY SS SPDR S&P 500 ETF Trust-US 0.15% 1,810 $1.2M Reduce -4.2%
MRK Merck & Co. Inc. 0.12% 7,972 $959K No change
ORCL Oracle Corp. 0.11% 5,804 $854K No change
CVX Chevron Corp. 0.10% 4,000 $828K No change
BA The Boeing Co. 0.09% 3,697 $736K No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.09% 2,933 $711K No change
PFE Pfizer Inc. 0.08% 23,392 $657K No change
ABBV Abbvie Inc. 0.08% 3,000 $652K No change
HD Home Depot Inc. 0.07% 1,800 $592K No change
CSCO Cisco Systems Inc. 0.07% 7,528 $584K No change
IAU iShares Gold Trust 0.07% 6,410 $565K Reduce -10.6%
LOW Lowe's Cos Inc. 0.07% 2,350 $555K No change
NEE Nextera Energy Inc. 0.07% 5,724 $532K No change
IWF iShares Russell 1000 Growth 0.06% 1,158 $494K No change
AXP American Express Co. 0.06% 1,500 $454K No change
IWM iShares Russell 2000 ETF 0.05% 1,735 $430K No change
CI The Cigna Group 0.05% 1,525 $407K No change
MPC Marathon Petroleum Corp. 0.05% 1,584 $387K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.05% 4,000 $386K No change
VNQ Vanguard Real Estate ETF 0.05% 4,336 $385K No change
VTWG Vanguard Russell 2000 Growth 0.05% 1,675 $384K No change
CTBI Community Trust Bancorp Inc. 0.05% 6,207 $377K No change
WMT Walmart Inc. 0.05% 2,950 $367K Add +3.5%
PAYX Paychex Inc. 0.04% 3,400 $313K No change
ABT Abbott Laboratories 0.04% 3,000 $308K No change
ROK Rockwell Automation Inc. 0.04% 850 $305K No change
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.04% 6,242 $304K No change
AME Ametek Inc. 0.04% 1,350 $289K No change
PSLV Sprott Physical Silver Trust 0.03% 11,295 $275K New
NKE Nike Inc. Class B 0.03% 4,890 $258K No change
PM Philip Morris International 0.03% 1,500 $248K No change
PHYS Sprott Physical Gold Trust 0.03% 7,000 $248K New
IWN iShares Russell 2000 Value E 0.03% 1,232 $234K No change
NVS Novartis AG-Sponsored ADR 0.03% 1,450 $221K No change
CSW CSW Industrials Inc. 0.03% 800 $208K No change
ONCY Oncolytics Biotech Inc. 0.00% 20,000 $17K No change

Portfolio Sells Q4 2025 → Q1 2026
AZN Astrazeneca PLC-Spons ADR Sold out 0.00% −3.32
FBIN Fortune Brands Innovations I Reduce -11.2% 1.50% −0.54
GOOG Alphabet Inc. Class C Reduce -5.0% 4.44% −0.36
SYY Sysco Corp. Reduce -10.8% 2.25% −0.20
TFC Truist Financial Corp. Reduce -3.7% 2.39% −0.11
AMAT Applied Materials Inc. Reduce -35.2% 0.85% −0.08
T AT&T Inc. Reduce -22.6% 1.51% −0.06
PEP Pepsico Inc. Reduce -14.3% 3.25% −0.04
LRCX Lam Research Corp. Reduce -27.1% 1.32% −0.04
ASML ASML Holding NV-NY Reg SHS Reduce -27.2% 0.93% −0.04
VBIL Vanguard 0-3M T-Bill ETF Reduce -21.1% 0.15% −0.03
VEEV Veeva Systems Inc. Class A Sold out 0.00% −0.02
GOOGL Alphabet Inc. Class A Reduce -0.2% 0.37% −0.01
SPY SS SPDR S&P 500 ETF Trust-US Reduce -4.2% 0.15% −0.00
IAU iShares Gold Trust Reduce -10.6% 0.07% +0.00
TJX TJX Companies Inc. Reduce -9.2% 2.79% +0.01
VCSH Vanguard S/T Corp. Bond ETF Reduce -4.0% 0.86% +0.01
GD General Dynamics Corp. Reduce -3.9% 2.78% +0.11
JNJ Johnson & Johnson Reduce -0.3% 0.56% +0.11
CARR Carrier Global Corp. Reduce -2.6% 2.18% +0.20
EMXC iShares MSCI Emr MRK Ex Chna Reduce -4.8% 4.03% +0.35
ADI Analog Devices Inc. Reduce -1.5% 2.66% +0.50

Portfolio Buys Q4 2025 → Q1 2026
IJH iShares Core S&P Midcap ETF Add +17.6% 3.27% +0.72
TMUS T-Mobile US Inc. Add +82.7% 1.37% +0.69
SPGI S&P Global Inc. Add +41.4% 2.70% +0.49
AMD Advanced Micro Devices Add +13.8% 2.82% +0.37
BKNG Booking Holdings Inc. Add +33.4% 3.02% +0.31
BRK.B Berkshire Hathaway Inc. Class B Add +6.5% 3.71% +0.27
AJG Arthur J Gallagher & Co. Add +23.8% 2.64% +0.24
J Jacobs Solutions Inc. Add +6.1% 3.01% +0.24
USB US Bancorp Add +2.7% 2.74% +0.17
TMO Thermo Fisher Scientific Inc. Add +15.7% 3.65% +0.15
SYK Stryker Corp. Add +6.7% 2.63% +0.15
SHV iShares 0-1 Year Treasury Bo Add +52.5% 0.33% +0.13
AMZN Amazon.com Inc. Add +6.4% 4.02% +0.08
XOM Exxon Mobil Corp. Add +0.9% 0.16% +0.06
PSLV Sprott Physical Silver Trust New 0.03% +0.03
PHYS Sprott Physical Gold Trust New 0.03% +0.03
RSP Invesco S&P 500 Equal Weight Add +6.8% 0.18% +0.02
AAPL Apple Inc. Add +1.0% 3.04% +0.01
WMT Walmart Inc. Add +3.5% 0.05% +0.01
VOO Vanguard S&P 500 ETF Add +0.8% 0.22% +0.00
NVDA Nvidia Corp. Add +2.8% 0.19% +0.00
V Visa Inc. Class A Add +8.4% 2.60% −0.02
ADBE Adobe Inc. Add +31.1% 1.94% −0.06
ACN Accenture PLC Class A Add +15.6% 2.07% −0.21
ELV Elevance Health Inc. Add +3.9% 2.83% −0.23
MSFT Microsoft Corp. Add +14.8% 4.26% −0.30

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 93$909.8MBRK.A, GOOG, MSFT, AMZN, TMO
Q1 2026 80$795.5MBRK.A, GOOG, MSFT, EMXC, AMZN
Q4 2025 80$846.4MBRK.A, GOOG, MSFT, AMZN, EMXC
Q3 2025 81$842.9MBRK.A, MSFT, GOOG, AMZN, EMXC
Q2 2025 84$809.3MBRK.A, MSFT, AMZN, GOOG, ELV
Q1 2025 83$793.0MBRK.A, MSFT, ELV, BKNG, BRK.B
Q4 2024 78$791.7MBRK.A, MSFT, GOOG, BKNG, TMO
Q3 2024 81$830.1MBRK.A, MSFT, GOOG, BKNG, FISV
Q2 2024 78$792.9MBRK.A, MSFT, GOOG, BKNG, FISV
Q1 2024 77$799.7MBRK.A, MSFT, GOOG, FISV, BKNG