Holdings

Round Rock Advisors LLC

As of Jun 30, 2026, Round Rock Advisors LLC reported 204 positions worth US$276M. Largest: Apple Inc, Alphabet Inc (google) Class C and Berkshire Hathaway Inc. What it bought and sold, with each filing.

CompanySharesValue as reportedChangeAs of
Apple Inc66,412US$19.2M−409Jun 30, 2026
Alphabet Inc (google) Class C46,197US$16.5M−501Jun 30, 2026
Berkshire Hathaway Inc.31,809US$15.9M−606Jun 30, 2026
Microsoft Corp.31,894US$11.9M+55Jun 30, 2026
Amazon.com, Inc.33,963US$8.09M−114Jun 30, 2026
Nvidia Corporation23,521US$4.71M−254Jun 30, 2026
Abbvie Inc.18,032US$4.54M−48Jun 30, 2026
Marinemax, Inc. (fl)120KUS$4.4M+57,521Jun 30, 2026
Exxon Mobil Corporation31,771US$4.34M+111Jun 30, 2026
Unitedhealth Group Incorporated9,062US$3.77M−295Jun 30, 2026