ROUND ROCK ADVISORS, LLC
Latest 13F filing data - Q3 2025
Holdings (Top positions)
| Stock | Ticker | ||
|---|---|---|---|
 | ADP | 704 | $206.62K |
 | NEU | 612 | $506.87K |
 | REGN | 460 | $258.64K |
 | COST | 379 | $351.17K |
 | APP | 351 | $252.21K |
 | BKNG | 88 | $475.14K |
 | BRK-A | 20 | $15.08M |
Automatic Data Processing, Inc.
ADP
Shares Held
704
Value
$206.62K
NewMarket Corporation
NEU
Shares Held
612
Value
$506.87K
Regeneron Pharmaceuticals, Inc.
REGN
Shares Held
460
Value
$258.64K
Costco Wholesale Corporation
COST
Shares Held
379
Value
$351.17K
AppLovin Corporation
APP
Shares Held
351
Value
$252.21K
Booking Holdings Inc.
BKNG
Shares Held
88
Value
$475.14K
Berkshire Hathaway Inc.
BRK-A
Shares Held
20
Value
$15.08M
...