Which super PACs did Stephen Mandel fund in 2026?

Senate Majority PAC ($3.0M), House Majority PAC ($1.7M), Lone Star Rising PAC ($500K), North Star Dawn PAC ($300K), DSCC ($89K).

Which candidates did Stephen Mandel's money end up backing or attacking in 2026?

against Ken Paxton (Texas Senate, about $353K, won); for Angie Craig (Minnesota Senate, about $150K, unknown); against Peggy Flanagan (Minnesota Senate, about $130K, lost). Amounts are the donor's share of each group's spending.

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Donor

Stephen Mandel

Individual

President, Lone Pine Capital · Connecticut

17 gifts to 8 groups, as reported to the FEC by the groups that received them.

Winner

Stephen Mandel gave $5.8M to super PACs and other outside groups in the 2026 federal elections, and 92% of it helped Democrats (FEC filings through Oct 14, 2026). Counting dollars, not candidates, and only races already called, 92% ended up on the winning side ($1.9M won, $168K lost, with $372K in races still being counted).

Gave to outside spenders

$5.8M

92% of it helped Democrats

Ended up on the winning side

92%

$1.9M of the dollars in races already called

Spent on the losing side

$168K

$372K still being counted

Not spent yet

$3.4M

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 Race not called yet Result not matched

Group	Gave	Won / lost
Senate Majority PAC No outside spending reported yet	$3.0M	$0 / $0
House Majority PAC	$1.7M	$1.3M / $9K
Lone Star Rising PAC	$500K	$500K / $0
North Star Dawn PAC $20K not spent yet	$300K	$0 / $130K
DSCC No outside spending reported yet	$89K	$0 / $0
DCCC No outside spending reported yet	$89K	$0 / $0
Advance Progress $3K not spent yet	$50K	$0 / $28K
Votevets	$50K	$37K / $983

The trail

What the money bought

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

Candidate	Race	Spending	Their share	Paid off?
Ken Paxton	Texas Senate	Attacking	$353K	✓ Yes
Angie Craig	Minnesota Senate (primary)	Supporting	$150K	Unknown
Peggy Flanagan	Minnesota Senate (primary)	Attacking	$130K	✗ No
Scott Singer	Florida 25th District	Attacking	$101K	✓ Yes
James Talarico	Texas Senate	Supporting	$96K	✓ Yes
Tom Barrett	Michigan 7th District	Attacking	$82K	✓ Yes
Casey Askar	Florida 22nd District	Attacking	$74K	✓ Yes
Laurie Buckhout	North Carolina 1st District	Attacking	$67K	✓ Yes
Mike Bouchard Jr.	Michigan 10th District	Attacking	$66K	✓ Yes
Eric Flores	Texas 34th District	Attacking	$58K	✓ Yes
Paul LePage	Maine 2nd District	Attacking	$54K	Counting
Derrick Van Orden	Wisconsin 3rd District	Attacking	$53K	✓ Yes

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

Questions people ask

How much did Stephen Mandel spend on the 2026 elections, and did it win?: Stephen Mandel gave $5.8M to super PACs and other outside groups in the 2026 federal elections, and 92% of it helped Democrats (FEC filings through Oct 14, 2026). Counting dollars, not candidates, and only races already called, 92% ended up on the winning side ($1.9M won, $168K lost, with $372K in races still being counted).
Which super PACs did Stephen Mandel fund in 2026?: Senate Majority PAC ($3.0M), House Majority PAC ($1.7M), Lone Star Rising PAC ($500K), North Star Dawn PAC ($300K), DSCC ($89K).
Which candidates did Stephen Mandel's money end up backing or attacking in 2026?: against Ken Paxton (Texas Senate, about $353K, won); for Angie Craig (Minnesota Senate, about $150K, unknown); against Peggy Flanagan (Minnesota Senate, about $130K, lost). Amounts are the donor's share of each group's spending.