Stock Taper 
ROUND ROCK ADVISORS, LLC
Latest 13F filing data - Q2 2026
Holdings
(Top positions)| STOCK | TICKER | SHARES HELD▲ ▼ | VALUE▲ ▼ |
|---|---|---|---|
 Taiwan Semiconductor Manufacturing Company Limited | TSM | 887 | $423.61K |
 ESCO Technologies Inc. | ESE | 804 | $281.43K |
 NewMarket Corporation | NEU | 596 | $471.58K |
 Saia, Inc. | SAIA | 561 | $236.27K |
 Caterpillar Inc. | CAT | 515 | $548.42K |
 Costco Wholesale Corporation | COST | 297 | $278.14K |
 ASML Holding N.V. | ASML | 265 | $527.2K |
 GE Vernova Inc. | GEV | 253 | $297.24K |
 Eli Lilly and Company | LLY | 177 | $212.17K |
 Berkshire Hathaway Inc. | BRK-A | 18 | $13.48M |