Republican-leaning megadonors reportedly gave $880 million, more than three times that donated by Democrat-leaning donors, in the first half of 2026.
A Washington Post analysis of Federal Election Commission filings found Democrat-aligned top donors poured $290 million into federal political committees, with another $200 million coming from bipartisan and special-interest groups.
Much of the money flowed to super PACs, which can accept unlimited contributions.
The fundraising advantage comes as Republicans seek to protect their congressional majorities in November and follows earlier predictions to Breitbart from Republican National Committee Chairman Joe Gruters that the GOP was on track to match or exceed Democrats' outside spending this election cycle.
Among individual donors, progressive billionaire George Soros ranked first overall, contributing $102 million through entities including Geosor and the Fund for Policy Reform, all of it directed to his Democracy PAC.
The next-largest donors, however, overwhelmingly favored Republicans and conservative causes.
Venture capitalists Marc Andreessen and Ben Horowitz gave a combined $91.2 million, including $50 million to the pro-artificial intelligence super PAC Leading the Future, nearly $24 million to the pro-cryptocurrency Fairshake PAC, and $12 million to MAGA Inc., which backs President Donald Trump and his endorsed candidates.
Tesla and SpaceX CEO Elon Musk contributed $85.1 million, with nearly $50 million going to America PAC and another $20 million split between the Congressional Leadership Fund and Senate Leadership Fund.
Pennsylvania financier Jeff Yass and education advocate Janine Yass donated $83.7 million, supporting Vivek Ramaswamy's V-PAC, MAGA Inc., and school choice efforts through the School Freedom Fund.
Businesswoman Miriam Adelson, one of Trump's most prominent political supporters, contributed $67.6 million, including $30 million to the Senate Leadership Fund and $25 million to MAGA Inc.
Elizabeth and Richard Uihlein added $50.7 million, largely supporting Restoration of America, while OpenAI President Greg Brockman and his wife, Anna, donated $50 million split between MAGA Inc. and the Leading the Future AI PAC.
Among organizations, cryptocurrency exchange Coinbase topped the list with $56.1 million in political donations, followed by Ripple Labs at $49.6 million.
Republican-aligned nonprofit One Nation contributed $46.5 million, while Crypto.com operator Foris DAX gave $38.6 million, primarily to Trump-aligned groups.
Pro-Israel advocacy group AIPAC donated $30 million through its United Democracy Project.
The fundraising figures underscore the financial advantage Republicans currently enjoy as the party heads into a pivotal midterm election cycle, with outside groups and wealthy donors investing heavily in preserving GOP control of Congress.