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Donor

Cameron Winklevoss

Individual

Founder, Winklevoss Capital Management · New York

7 reported gifts; 6 recipient groups listed, as reported to the FEC by the groups that received them.

Mixed results

Cameron Winklevoss gave $3.5M to super PACs and other outside groups in the 2024 federal elections, and 86% of it helped Republicans (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Dec 31, 2024). Among dollars with a matched election-stage result, 40% were on the winning side ($341K won, $507K lost). $273K had no matched result and is excluded.

Gave to outside spenders

$3.5M

86% of it helped Republicans

Winning share of scored dollars

40%

$848K scored (24% of gifts)

Spent on the losing side

$507K

Not allocated or result unknown

$2.6M

$2.3M not allocated to tracked outside spending; $273K has no matched result. Neither is cash on hand.

Where the checks went

A person writing checks from their own fortune. Each gift is split the way the group that received it split its spending between winners and losers, so a $10M check to a group that spent 80% on losers counts as $8M on the losing side.
✓ Backed the winner or attacked the loser ✗ Backed the loser or attacked the winner Result not matched
GroupGaveHow the group spent itWon / lost
Fairshake

$2.1M not allocated to tracked outside spending

$2.5M
$164K / $89K
Commonwealth Unity Fund

$100K not allocated to tracked outside spending

$509K
$0 / $410K
America PAC

$87K not allocated to tracked outside spending

$250K
$147K / $8K
MAGA Inc.

$34K not allocated to tracked outside spending

$177K
$22K / $0
Never Back Down

$37K not allocated to tracked outside spending

$50K
$0 / $155
The Sentinel Action Fund

$17K not allocated to tracked outside spending

$25K
$8K / $192

The trail

What the money bought

The candidates Cameron Winklevoss's money was spent for or against, pro-rated by Cameron Winklevoss's share of each group's funding.
CandidateRaceSpendingTheir sharePaid off?
John DeatonMassachusetts SenateSupporting$331K✗ No
Joseph R Jr BidenPresidentAttacking$105KUnknown
Donald TrumpPresidentSupporting$102K✓ Yes
Katherine PorterCalifornia Senate (primary)Attacking$95KUnknown
Elizabeth Ann WarrenMassachusetts SenateAttacking$79K✗ No
Kamala HarrisPresidentAttacking$55K✓ Yes
Michelle SteelCalifornia 45th DistrictSupporting$27K✗ No
Don DavisNorth Carolina 1st DistrictSupporting$21K✓ Yes
Yadira CaraveoColorado 8th DistrictSupporting$21K✗ No
Jamaal BowmanNew York 16th District (primary)Attacking$20KUnknown
Pat RyanNew York 18th DistrictSupporting$19K✓ Yes
Mary S. PeltolaAlaska at-large House seatSupporting$18K✗ No

Individual as classified from the FEC entity type and public reporting.

Questions people ask

How much did Cameron Winklevoss spend on the 2024 elections, and did it win?
Cameron Winklevoss gave $3.5M to super PACs and other outside groups in the 2024 federal elections, and 86% of it helped Republicans (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Dec 31, 2024). Among dollars with a matched election-stage result, 40% were on the winning side ($341K won, $507K lost). $273K had no matched result and is excluded.
Which super PACs did Cameron Winklevoss fund in 2024?
Fairshake ($2.5M), Commonwealth Unity Fund ($509K), America PAC ($250K), MAGA Inc. ($177K), Never Back Down ($50K).
Which candidates did Cameron Winklevoss's money end up backing or attacking in 2024?
for John Deaton (Massachusetts Senate, about $331K, lost); against Joseph R Jr Biden (President, about $105K, unknown); for Donald Trump (President, about $102K, won). Amounts are the donor's share of each group's spending.