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Google co-founder Sergey Brin donates $20 million more to organisation advocating against ...

Times of India Published Aug 12, 2026 Reviewed Aug 12, 2026 ✓ Reviewed by citations.press editors
Google co-founder Sergey Brin donates $20 million more to organisation advocating against ...
Sergey Brin has donated more than $100 million to the campaign opposing California's proposed billionaire wealth tax.
more than 100 dollars · Sergey Brin California campaign finance report, report
Sergey Brin contributed an additional $20 million to the political committee Building a Better California on July 24.
20 dollars · Sergey Brin California campaign finance report, report
Sergey Brin's total donations to the campaign now amount to $102 million.
102 dollars · Sergey Brin California campaign finance report, report
Building a Better California directed $10 million each to campaigns supporting Propositions 41 and 42.
10 dollars · Building a Better California California campaign finance report, report
Supporters of the wealth tax, led by SEIU-UHW, have raised just over $30 million, while opposition groups have collected more than $120 million.
more than 30 dollars · Supporters of the wealth taxmore than 120 dollars · Opposition groups campaign finance filings, filings
Sergey Brin's net worth is estimated at around $282 billion according to the Bloomberg Billionaires Index.
about 282 billion · Sergey Brin Bloomberg Billionaires Index, index
Sergey Brin purchased a $42 million property on the Nevada side of Lake Tahoe.
42 dollars · Sergey Brin article, report
Chris Larsen donated $2.5 million to Building a Better California.
2.5 dollars · Chris Larsen article, report
Chris Larsen donated $5 million to Golden State Promise.
5 dollars · Chris Larsen article, report
Michael Moritz donated $7.5 million to the campaign.
7.5 dollars · Michael Moritz article, report
Patrick Collison contributed $7 million to the campaign.
7 dollars · Patrick Collison article, report
Eric Schmidt gave more than $3 million to the campaign.
more than 3 dollars · Eric Schmidt article, report
Proposition 40 proposes a one-time 5% tax on the wealth of California billionaires with assets exceeding $1 billion.
5 % · Proposition 40more than 1 billion · Proposition 40 Proposition 40, measure

Sergey Brin has now donated more than $100 million to the campaign against California's proposed billionaire wealth tax. According to a newly filed California campaign finance report (first shared by Bloomberg), the Google co-founder has recently contributed an additional $20 million to political committee Building a Better California.

His total donations now stand at $102 million. This makes him the largest financial backer of the campaign opposing Proposition 40. Proposition 40 is a ballot measure that would impose a one-time 5% tax on the wealth of California billionaires.​The filing shows Brin made the $20 million contribution on July 24.

Building a Better California subsequently directed $10 million each to campaigns supporting Propositions 41 and 42, two competing ballot measures that could invalidate Proposition 40. California voters are expected to decide on the measure in November.​California wealth tax campaign sees widening funding gap​Brin's latest donation strengthens the financial advantage enjoyed by groups opposing Proposition 40.

Building a Better California has primarily focused on defeating the proposed billionaire tax while also supporting pro-business initiatives and housing affordability measures. The organisation has declined to comment on Brin's latest contribution.​Supporters of the wealth tax, led by healthcare workers' union SEIU-UHW, have raised just over $30 million, while opposition groups have collected more than $120 million, according to campaign finance filings.

Building a Better California is also funding two competing ballot measures that could effectively nullify Proposition 40 if they receive more votes than the wealth tax proposal.​Sergey Brin leads Silicon Valley opposition to wealth tax​Brin, whose net worth is estimated at around $282 billion according to the Bloomberg Billionaires Index, has emerged as the central figure in Silicon Valley's opposition to the proposal.

He has also increased his political spending in California while listing Nevada as his state of residence after purchasing a $42 million property on the Nevada side of Lake Tahoe.​Several other technology executives and investors have also backed campaigns against the proposed tax. Ripple Labs co-founder Chris Larsen donated $2.5 million to Building a Better California and another $5 million to Golden State Promise, while Ripple contributed an additional $5 million.

Former Sequoia Capital partner Michael Moritz donated $7.5 million, Stripe CEO Patrick Collison contributed $7 million, and former Google CEO Eric Schmidt gave more than $3 million.​Other contributors include PayPal and Palantir co-founder Peter Thiel, The Wonderful Company owner Stewart Resnick, DoorDash CEO Tony Xu, Affirm CEO and PayPal co-founder Max Levchin, angel investor Ron Conway and venture capitalist Daniel Tierney.​California wealth tax debate extends beyond campaign donations​The proposed implementation of the wealth tax has affected where the wealthiest Californians choose to base their assets and businesses.

Last year, various entities associated with Sergey Brin closed down or left many LLCs in California, while Larry Page, one of the founders of Google, left many associated entities out of the state or deactivated them. David Sacks, a venture capitalist, launched Craft Ventures with an office in Austin.

Peter Thiel left for Buenos Aires.​Supporters of Proposition 40 argue that the one-time 5% levy on residents and trusts with assets exceeding $1 billion would generate funding for public services while addressing wealth inequality. Opponents contend that the measure could encourage wealthy individuals and businesses to relocate, trigger legal disputes and affect California's investment climate.

California Governor Gavin Newsom previously attempted to broker a compromise, but negotiations failed, leaving the proposal to be decided by voters in November.​Get the latest technology news and updates. Download the TOI App.

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