Billionaire Michael Bloomberg Michael BloombergBloomberg rolls out M ad buy to boost Biden in Florida Democratic groups using Bloomberg money to launch M in Spanish language ads in Florida Bloomberg pays fines for 32,000 felons in Florida so they can vote MORE launched a multimillion-dollar ad buy across a number of states and markets Friday, as he prepares a potential presidential run.

CNBC first reported the news, citing data compiled from ad tracking firm Advertising Analytics.

Advertising Analytics told The Hill that Bloomberg's ad buy had totaled $19.4 million over 90 local markets as of 2:40 p.m. ET. The firm also said that it expects the total number of markets to increase to 100 by the end of the day.

ADVERTISEMENT

The minute-long ads will start airing Monday and run through Dec. 2.

The most expensive ad buys were in New York City, with $1.6 million, and Los Angeles, with $1.4 million. Other markets targeted include those in Florida, Texas, Massachusetts, Pennsylvania, and Michigan.

Bloomberg is considering jumping into the race for the Democratic nomination and has filed paperwork to run in a handful of states. On Thursday, the 77-year-old filed federal paperwork to run for president, but Bloomberg's camp has said that the move was only "procedural" and that it wasn't an official announcement of his candidacy

And he's really flexing it. This buy is huge and just getting bigger. Just in Chicago he's spent over 700k and we don't have all stations reporting yet. https://t.co/3bQmNQAtPo — Advertising Analytics (@Ad_Analytics) November 22, 2019

ADVERTISEMENT

New York's former mayor has a net worth of more than $50 billion.

A Bloomberg spokesperson declined to comment on the ad buy.

-- Updated at 2:53 p.m.