Peter Thiel funded 38 House Republicans. Polymarket says 28 lose

Short answer: Peter Thiel's 2026 House money went to 38 Republican campaigns we could match to a live Polymarket seat market, and the market makes 28 of them underdogs eight days before the election. That includes Polymarket, the prediction market his own Founders Fund led a $45 million round into in 2024. The man who made his name betting against consensus spent this cycle backing the side the crowd is betting against.

TL;DR: FEC records show 118 contributions in the 2026 cycle under Thiel's name, worth $3.21 million to Republican committees, led by $1.5 million to Club for Growth Action and an $852,200 check to Speaker Mike Johnson's Grow the Majority committee. That joint committee split the check into $3,500 slices for 38 House campaigns we could price, and Polymarket gives the GOP under a 50% chance in 28 of those seats and under 20% in 20. Add the odds up and Polymarket expects about 11.6 wins out of 38, so roughly $171,500 of the $238,000 that reached House campaigns sits with underdogs.

Key numbers

What	Number	Source, checked Oct 27 2026
Thiel contributions, 2026 cycle (Republican side)	115 rows, $3,211,900	FEC Schedule A
Largest single check	$1,500,000 to Club for Growth Action, Feb 3 2026	FEC
Check to Grow the Majority (Johnson's joint committee)	$852,200, Feb 25 2025	FEC
House campaigns matched to a Polymarket seat market	38	Polymarket + FEC
Of those, GOP an underdog (under 50%)	28 (74%)	Polymarket
Of those, GOP under 20%	20	Polymarket
Incumbents Polymarket has losing	18 of 26	Polymarket
Expected wins (sum of odds)	11.6 of 38 (our estimate)	Tensorust calculation

Where the money went: one check, 38 races

Thiel sat out 2024 with checks. In 2025 he came back with one big move: $852,200 to Grow the Majority, the joint fundraising committee run for Speaker Mike Johnson, on February 25 2025. Business Insider and Mother Jones reported that check and the totals.

A joint committee is a pass-through: one donor writes one big check, and the committee slices it into legal-size pieces for each campaign and party. The FEC files each slice under the original donor's name. That is how one check shows up as $3,500 and $7,000 rows on dozens of House campaigns, from Jen Kiggans in Virginia to Mike Lawler in New York.

What nobody had done is price those campaigns. We pulled every Thiel row from the FEC API, matched each House committee to its candidate and seat, and looked up Polymarket's "Will the Republican Party win the seat?" market for each one this morning.

The scorecard: 28 of 38 underdogs

The results are brutal for a famous contrarian. Only 10 of the 38 seats are priced as Republican favorites. Twenty sit below 20%.

The worst-priced names are a who's who of the 2026 frontline: Tom Kean Jr. in NJ-07 at 5.5%, Jen Kiggans in VA-02 at 9%, Juan Ciscomani in AZ-06 at 11.5%, Zach Nunn in IA-03 at 15%, Scott Perry in PA-10 at 19.5%. Even Mike Lawler, the House Republican who most often survives tough maps, is at 39% in NY-17.

The safe seats on the list are the ones nobody needed to fund: Speaker Johnson's own LA-04 at 96%, TX-32 at 87.5%, NY-01 at 77%.

Incumbents, not long shots, are the problem

You would expect a party committee to spread money onto hopeless challengers as lottery tickets. That is not what sinks this list. Of 26 sitting members Thiel's money reached, Polymarket has 18 losing their seat for the party.

The 12 challengers did no better: 10 are underdogs, from Marty O'Donnell in NV-03 at 4.3% to Tano Tijerina in TX-28 at 5.5%. So the read is not that Thiel bet on long shots. The read is that the market thinks the whole Republican House map he paid for is underwater.

Follow the money: who wins, who loses

In dollars, about $171,500 of the $238,000 that reached House candidate committees went to underdogs, 72% (our sum of FEC rows). Sum every seat's odds and Polymarket expects about 11.6 wins from 38 races. That is our estimate, built on live prices that move every minute.

Here is the irony the coverage missed. Founders Fund, Thiel's firm, led Polymarket's $45 million Series B in May 2024. The crowd on the market he helped build is now pricing his House slate at roughly a 3-in-10 hit rate.

Who wins either way? Johnson's committee, which got $852,200 in one deposit and the credit for spreading it. Club for Growth Action, which took $1.5 million in February 2026 and spends it where it likes. Thiel's portfolio, which owns a stake in the market that profits from every bet on these races, win or lose.

What we left out, and why

Three California rows (Kevin Kiley, Ken Calvert, Young Kim) are excluded from the count because Prop 50 redrew the state's map and the FEC candidate record may point to an old district. Three ActBlue rows under the same name came from a Greenville, South Carolina donor earmarking to a Democratic Senate candidate; that is clearly a different Peter Thiel, so it is out.

Polymarket's seat markets price the party, not the person. Where a funded member retired or lost a primary, the price is for whoever carries the Republican line on November 3. Every row and its note is in the CSV.

For the bigger picture, see our House odds and money breakdown and the AI super PAC safe-seat analysis, which found the opposite pattern: AI money hiding in seats that are already won. More in the news desk and politics.

How to rebuild this in an afternoon

The method is three public sources and one join, and any agent can run it.

1. Pull FEC Schedule A for the donor name and cycle from the free OpenFEC API. Keep the committee ID and type on every row.
2. For each House committee (type H), ask the FEC candidate endpoint for the state and district. That turns a committee name into a seat like VA-02.
3. Search Polymarket's public Gamma API for "Will the Republican Party win the VA-02 House seat?" and keep the Yes price as the implied probability.
4. Drop rows that do not belong: same-name donors in other cities, redrawn districts, committees that are not candidates.
5. Sum the odds for an expected-wins number, and weight dollars by odds to see where the money is likely wasted.

Run the same five steps on Reid Hoffman, Elon Musk or any AI founder and you get a scorecard nobody else is publishing. Prices move every minute, so rerun it on election eve.

What this means for you

Download the data, sort by odds, and check your own district. If you donate, bet or build election tools, this is the move: never judge a donor by the size of the check, judge them by the price of the seats it bought. Join FEC Schedule A to a live market and you can score any megadonor in an afternoon; the method is in this piece and the CSV is free.

If you want this done for you on any company or donor network, Company Watch tracks federal filings, contracts and lobbying for $99 a month and flags changes as they land. We keep fixing it at no extra cost until it does what it promises. Not financial advice: prediction market prices are odds, not outcomes.

Sources

• FEC, individual contributions by Peter Thiel, 2026 cycle, pulled Oct 27 2026
• Polymarket, House seat markets (party win, per district), prices Oct 27 2026
• Business Wire, Polymarket raises $70M from Thiel's Founders Fund, May 13 2024
• Business Insider, Peter Thiel's political hiatus is over, 2025
• Mother Jones, Peter Thiel is bankrolling Republicans again, 2025