The “$304m to kill the wealth tax” is mostly not spent against the wealth tax Sergey Brin and nine others · Building a Better California · disclosures through 30 October
- Who
- Sergey Brin ($102m), Eric Schmidt ($40.2m), L. John Doerr ($40m), Patrick Collison ($33.1m), Vinod Khosla and Chris Larsen ($12.5m each), Michael Moritz ($7.5m), Kavitark Ram Shriram and Frank Slootman ($5m each), plus Alphafoxtrot LLC ($4.9m). Ten lines, about $262.7m of a $333,247,914 committee.
- What they did
- Funded Building a Better California (CA committee ID 1486767), which has in turn distributed $118.5m to the No on Prop 40 committee (ID 1492108), $58.3m to Yes on 41, and $127.8m to Yes on 42. Californians vote on 3 November 2026.
- The document
- California committee filings as compiled on 25 October (Fullerton Observer, with committee ID numbers) and 30 October (Times of San Diego). Prop 40 mechanics as reported by Forbes, 31 October, updated 1 November.
| Destination | What it does | Amount | Share |
|---|---|---|---|
| No on Prop 40 | Opposes the wealth tax directly | $118.5m | 35.6% |
| Yes on 42 | “Protect Retirement & Life Savings” | $127.8m | 38.4% |
| Yes on 41 | “Transparency and Accountability” | $58.3m | 17.5% |
| Props 41 + 42 combined | Affirmative measures said to nullify Prop 40 | $186.1m | 55.8% |
| Unallocated in sources | — | ≈$28.6m | 8.6% |
Consensus read
A record-breaking defensive campaign: roughly $304m of billionaire money to defeat a one-time 5% levy on their own net worth, outspending labour more than nine to one. Brin alone is reported as facing a $13bn bill, which makes $102m an insurance premium of under 1% of the exposure — rational, if ugly.
Steelmanned properly, this is coherent: concentrated interests outspend diffuse ones, and that is exactly what the numbers show.
Contrarian read
The headline number is a sum of three different campaigns, and the largest component is not opposition to Prop 40 at all. $186.1m — 55.8% — went to supporting Props 41 and 42, including $127.8m to a committee branded “Protect Retirement & Life Savings,” which never says the word billionaire.
Read that way, the donors are not betting on beating Prop 40. They are buying a second and third line of defence because they expect it may pass. And Brin’s own money cannot be a liability hedge, because on the published residency test he is not in the base.
Evidence that discriminates
- The allocation split is the whole argument. $118.5m opposing versus $186.1m supporting two other measures is not a rounding difference; it reverses which campaign is the main one. Any story that treats “$304m against the wealth tax” as one number has silently added a defensive campaign to two offensive ones.
- Prop 40’s residency test is a date, not a status. It reaches those whose primary residence was in California on 1 January 2026. Brin’s reported move to Nevada predates it; Forbes on 31 October treats the saving as already banked at roughly $11bn, and gives Larry Page about $11.6bn on a late-December move to Miami. If that reading of the measure is right, “$102m to avoid $13bn” is arithmetic about a liability he does not have.
- Polling says the defensive campaign is not winning outright. Berkeley IGS had it 45–42 with 13% undecided in mid-September; NBC 48–38 on 21–24 September; PPIC 46% yes; SurveyUSA 44%. Nine-to-one spending that leaves a measure at or near a plurality is consistent with buying fallbacks, not with buying a win.
- The giving is wider than the measure. Brin also gave $3m to Jobspac, about $1m to a committee backing Matt Mahan, and $39,200 each to two other candidates. A pure liability hedge does not buy mayoral and legislative races.
Where this is genuinely unknowable: I could not read Prop 40’s statutory text this run — Forbes itself says it does not quote it. Three live hypotheses for Brin’s $102m: (a) the measure does reach departed residents through a lookback or deemed-residency rule and he is simply liable; (b) he is not liable and is suppressing a precedent, because the next draft will be written with an exit provision aimed at exactly his move; (c) he is defending portfolio and company value in California rather than his own balance sheet. The statutory text distinguishes (a) from (b) and (c) on its own.
What would falsify me
Prop 40’s text containing a lookback period, a deemed-residency rule, or a departure charge that reaches former residents — or a Franchise Tax Board residency determination finding Brin still California-domiciled on 1 January 2026. Either restores the straightforward self-insurance reading. On the allocation point, the falsifier is narrower and cleaner: a showing that Props 41 and 42 would not nullify Prop 40, which would make the $186.1m unrelated spending that should never have been in the $304m headline at all — which would make the headline worse, not better.
PatternThe measure: a one-time 5% levy on global net worth, for people with at least $1bn as of 31 December 2026 whose primary residence was in California on 1 January 2026. Directly held real estate and retirement accounts are exempt — a carve-out that quietly rewards holding wealth in houses rather than in shares. The Yes side has raised roughly $32m through the main committee, chiefly from SEIU-United Healthcare Workers West.