The report demonstrated that barely short of $256.4 million was spent on nearly 1.7 million politically-oriented advertisements reported since May of the present year.
The campaign of his opponent, incumbent Sen.
In one week, between October 14 and October 20, O'Rourke's campaign spent more than $500,000 on the platform. Other big spenders include Trump's "Make America Great Again Committee"-which has spent $3 million on more than 50,000 ads since May-and ExxonMobile, which has spent almost $2 million on 1,758 ads during the last six months".
The Democratic National Committee and the Republican National Committee have spent $401,770 and $328,016, respectively, on the platform since May.
Governor Bruce Rauner's campaign spent more than $150,000 on Facebook advertisements.
Since May, more than a quarter of a billion dollars has been spent on ads relating to "politics and issues of national importance" on Facebook, according to the company.
Facebook released new information Tuesday about the political ads that appear on its site, days after a New York Times report raised concerns about the rigor of the tech giant's method for tracking them.
Several politically active 501 (c)(4) s made the list, including the Koch's Americans for Prosperity, which took out ads making the case for cutting discretionary spending and passing a bill that targets union regulations, among other issues. It privately requires government-issued identification from political ad buyers but allows them pseudoanonymity in public disclosures through vague names such as Be Registered LLC.