PROFESSIONAL ADVISORY SERVICES INC
Top Portfolio Positions
65 positions ·
$610,977,952 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| MSFT |
Microsoft Corp
Technology
|
91,505 | $33,872,405 | 5.54% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
153,674 | $32,005,683 | 5.24% | |
| BRK-B |
Berkshire Hathaway Inc
Financial Services
|
61,581 | $29,509,615 | 4.83% | |
| TMO |
Thermo Fisher Scientific Inc.
Healthcare
|
59,015 | $29,007,642 | 4.75% | |
| PEP |
Pepsico Inc
Consumer Defensive
|
166,414 | $25,842,430 | 4.23% | |
| AAPL |
Apple Inc.
Technology
|
95,223 | $24,166,645 | 3.96% | |
| BKNG |
Booking Holdings Inc.
Consumer Cyclical
|
5,705 | $24,019,874 | 3.93% | |
| J |
Jacobs Solutions Inc.
Industrials
|
188,387 | $23,977,897 | 3.92% | |
| ELV |
Elevance Health, Inc.
Healthcare
|
76,888 | $22,508,962 | 3.68% | |
| AMD |
Advanced Micro Devices Inc
Technology
|
110,372 | $22,452,975 | 3.67% |
Portfolio Trend
25 quarters · across all stocks
Holdings in ONCY
Shares Held
Position Value (USD)
9 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $17,000 | 20,000 | Shares | Sole | 2026-04-15 | |
| 2025-12-31 | $17,400 | 20,000 | Shares | Sole | 2026-01-12 | |
| 2025-09-30 | $28,000 | 20,000 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $15,400 | 20,000 | Shares | Sole | 2025-07-11 | |
| 2025-03-31 | $8,250 | 15,000 | Shares | Sole | 2025-04-14 | |
| 2024-12-31 | $9,100 | 10,000 | Shares | Sole | 2025-01-15 | |
| 2024-09-30 | $8,700 | 10,000 | Shares | Sole | 2024-10-17 | |
| 2024-06-30 | $9,900 | 10,000 | Shares | Sole | 2024-07-10 | |
| 2024-03-31 | $10,600 | 10,000 | Shares | Sole | 2024-04-22 | |
| No 13F history on record for this holder in this stock. | ||||||