What Citizens United did was to make commonplace massive donations to political parties, politicians, and political interest groups. However, a billionaire’s contribution to a 2022 Super-PAC appears to be the largest so far ever. This article in Mother Jones is by Russ Choma:

Silicon Valley venture capitalist Peter Thiel dropped an enormous bomb on the 2022 Ohio Senate race last month, donating $10 million to a super-PAC established to back J.D. Vance, the author of Hillbilly Elegy, who is considering a run for the seat that will be vacated by current Republican Sen. Rob Portman. Since the Citizens United decision in 2012, the flow of million-dollar or even multimillion-dollar checks has become relatively commonplace. But Thiel’s $10 million donation appears to be the largest contribution ever made to a super-PAC backing a single candidate for the Senate. 

According to OpenSecrets.org, while there have been donations of $10 million or more to super-PACs that support presidential candidates or multiple candidates, there is only one other time that a single donor has given $10 million to a super-PAC that backs a single Senate candidate—and that was over the course of the campaign: In 2018, Citadel LLC, the hedge fund run by Kenneth Griffin, made several contributions totaling $10 million to support a super-PAC backing Rick Scott’s successful Senate bid. 

Read the full article here.