Robert J. Pera, an under-the-radar, 42-year-old tech billionaire who owns the NBA’s Memphis Grizzlies, has been steadily adding real estate to his asset portfolio.
Over the past four years, the youthful founder of wireless equipment maker
has pieced together a collection of properties across the country, including at least four for a combined roughly $70 million. He has purchased in some of the most expensive and exclusive buildings in both New York and Seattle, and is building a brand-new mansion on a highly exclusive island in Miami Beach, according to public records and people familiar with his dealings.
Mr. Pera didn’t respond to numerous requests for comment on his purchases, which were transacted under a number of different limited-liability companies.
In New York City, an