Institutional Manager · CIK 0000894205

PROFESSIONAL ADVISORY SERVICES INC

VERO BEACH, FL · File #028-03358

Latest AUM

$771,609

Positions

Top-10 Concentration

40.8%

Filings

Portfolio Value Over Time

2024-03

2024-06

2024-09

2024-12

2025-03

2025-06

2025-09

2025-12

Biggest QoQ Changes

Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.

Action	Issuer	Ticker / CUSIP	Δ Shares	Flow ($)	Price Effect
EXITED	FISERV INC	337738108	-152,741	-$19,693	$0
REDUCE	ORACLE CORPORATION	ORCL-PD	-50,530	-$9,847	-$4,865
REDUCE	ADVANCED MICRO DEVICES	AMD	-35,942	-$7,697	+$6,962
REDUCE	ALPHABET, INC. CLASS C	GOOG	-21,354	-$6,701	+$10,598
ADD	BERKSHIRE HATHAWAY INC-B	BRK-A	+12,257	+$6,161	-$4
ADD	APPLE	AAPL	+21,508	+$5,847	+$1,254
ADD	ACCENTURE PLC	ACN	+20,045	+$5,378	+$1,127
ADD	S&P GLOBAL, INC.	SPGI	+9,676	+$5,056	+$935
REDUCE	THERMO FISHER SCIENTIFIC	TMO	-8,491	-$4,920	+$5,620
ADD	AT&T	T-PC	+141,580	+$3,517	-$1,334

Sector Allocation

Technology

19.9%$153,610

Healthcare

14.3%$110,707

Industrials

10.5%$80,839

Consumer Discretionary

7.4%$57,180

Consumer Staples

6.3%$48,941

Financials

5.7%$43,855

Energy

0.2%$1,524

Filing History

Jan 12, 202613F HOLDINGS REPORTQ/E Dec 202580 pos · $771,609
Oct 29, 202513F HOLDINGS REPORTQ/E Sep 202581 pos · $768,267
Jul 11, 202513F HOLDINGS REPORTQ/E Jun 202584 pos · $737,125
Apr 14, 202513F HOLDINGS REPORTQ/E Mar 202583 pos · $714,003
Jan 15, 202513F HOLDINGS REPORTQ/E Dec 202478 pos · $724,539
Oct 17, 202413F HOLDINGS REPORTQ/E Sep 202481 pos · $761,713
Jul 10, 202413F HOLDINGS REPORTQ/E Jun 202478 pos · $732,305
Apr 22, 202413F HOLDINGS REPORTQ/E Mar 202477 pos · $736,910
Oct 10, 202313F HOLDINGS REPORTQ/E Dec 202367 pos · $607,972

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	ALPHABET, INC. CLASS C	GOOG	129,505	$40,639	5.35%
2	MICROSOFT	MSFT	79,727	$38,558	5.08%
3	AMAZON	AMZN	144,483	$33,350	4.39%
4	ISHARES MSCI EM EX CHINA	46434G764	427,974	$31,105	4.09%
5	THERMO FISHER SCIENTIFIC	TMO	51,020	$29,564	3.89%
6	BERKSHIRE HATHAWAY INC-B	BRK-A	57,852	$29,079	3.83%
7	ASTRAZENECA PLC	AZN	305,897	$28,121	3.70%
8	PEPSICO	PEP	194,216	$27,874	3.67%
9	ELEVANCE HEALTH INC	ELV	73,987	$25,936	3.41%
10	APPLE	AAPL	94,277	$25,630	3.37%
11	JACOBS SOLUTIONS INC	J	177,486	$23,510	3.09%
12	TJX COMPANIES	872540109	152,883	$23,484	3.09%
13	BOOKING HOLDINGS	BKNG	4,276	$22,899	3.01%
14	GENERAL DYNAMICS COPR	GD	67,099	$22,590	2.97%
15	VISA INC	V	63,114	$22,135	2.91%
16	US BANCORP	USB-PS	408,421	$21,793	2.87%
17	ISHARES TR S&P MID ETF	464287507	327,010	$21,583	2.84%
18	TRUIST FINANCIAL CORP	89832Q109	428,561	$21,089	2.78%
19	STRYKER	SYK	59,663	$20,970	2.76%
20	ADVANCED MICRO DEVICES	AMD	96,998	$20,773	2.73%