Which super PACs did Stephen Mandel Jr. fund in 2024?

House Majority PAC ($2.5M), Future Forward (FF PAC) ($2.5M), Forward Majority Action ($2.0M), DSCC ($83K), DCCC ($83K).

Which candidates did Stephen Mandel Jr.'s money end up backing or attacking in 2024?

for Kamala Harris (President, about $2.3M, lost); against Austin Theriault (Maine 2nd District, about $95K, won); against Tom Barrett (Michigan 7th District, about $83K, lost). Amounts are the donor's share of each group's spending.

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Donor

Stephen Mandel Jr.

Individual

Founder, Lone Pine Capital · Connecticut

14 gifts to 6 groups, as reported to the FEC by the groups that received them.

Loser

Stephen Mandel Jr. gave $7.3M to super PACs and other outside groups in the 2024 federal elections, and 100% of it helped Democrats (FEC filings through Dec 31, 2024). Counting dollars, not candidates, and only races already called, 26% ended up on the winning side ($1.1M won, $3.3M lost).

Gave to outside spenders

$7.3M

100% of it helped Democrats

Ended up on the winning side

26%

$1.1M of the dollars in races already called

Spent on the losing side

$3.3M

Not spent yet

$2.9M

Sitting with groups that have not spent

Where the cheques went

A person writing cheques 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 cheque 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

Group	Gave	Won / lost
House Majority PAC $495K not spent yet	$2.5M	$1.1M / $918K
Future Forward (FF PAC) $278K not spent yet	$2.5M	$0 / $2.2M
Forward Majority Action $1.9M not spent yet	$2.0M	$0 / $97K
DSCC $49K not spent yet	$83K	$21K / $13K
DCCC $25K not spent yet	$83K	$32K / $23K
Democracyfirst PAC $13K not spent yet	$25K	$0 / $12K

The trail

What the money bought

The candidates Stephen Mandel Jr.'s money was spent for or against, pro-rated by Stephen Mandel Jr.'s share of each group's funding.

Candidate	Race	Spending	Their share	Paid off?
Kamala Harris	President	Supporting	$2.3M	✗ No
Austin Theriault	Maine 2nd District	Attacking	$95K	✓ Yes
Tom Barrett	Michigan 7th District	Attacking	$83K	✗ No
Sandy Smith	North Carolina 1st District	Attacking	$81K	✓ Yes
Scott Baugh	California 47th District	Attacking	$78K	✓ Yes
John Duarte	California 13th District	Attacking	$75K	✓ Yes
Anthony P. D'Esposito	New York 4th District	Attacking	$73K	✓ Yes
Ryan E. Mackenzie	Pennsylvania 7th District	Attacking	$72K	✗ No
Mike Garcia	California 27th District	Attacking	$71K	✓ Yes
Michelle Steel	California 45th District	Attacking	$70K	✓ Yes
Rob Bresnahan Jr.	Pennsylvania 8th District	Attacking	$68K	✗ No
John James	Michigan 10th District	Attacking	$65K	✗ No

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

Questions people ask

How much did Stephen Mandel Jr. spend on the 2024 elections, and did it win?: Stephen Mandel Jr. gave $7.3M to super PACs and other outside groups in the 2024 federal elections, and 100% of it helped Democrats (FEC filings through Dec 31, 2024). Counting dollars, not candidates, and only races already called, 26% ended up on the winning side ($1.1M won, $3.3M lost).
Which super PACs did Stephen Mandel Jr. fund in 2024?: House Majority PAC ($2.5M), Future Forward (FF PAC) ($2.5M), Forward Majority Action ($2.0M), DSCC ($83K), DCCC ($83K).
Which candidates did Stephen Mandel Jr.'s money end up backing or attacking in 2024?: for Kamala Harris (President, about $2.3M, lost); against Austin Theriault (Maine 2nd District, about $95K, won); against Tom Barrett (Michigan 7th District, about $83K, lost). Amounts are the donor's share of each group's spending.