Which super PACs did Thomas Peterffy fund in 2024?

The Sentinel Action Fund ($2.0M), Glcf, Inc. ($1.5M), Truth and Courage PAC ($1.3M), Congressional Leadership Fund ($1.0M), Maryland's Future ($1.0M).

Which candidates did Thomas Peterffy's money end up backing or attacking in 2024?

against Angela Alsobrooks (Maryland Senate, about $870K, lost); for Mike Rogers (Michigan Senate, about $791K, lost); against Colin Allred (Texas Senate, about $752K, won). Amounts are the donor's share of each group's spending.

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Donor

Thomas Peterffy

Individual

Chairman, Interactive Brokers · Florida

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

Mixed results

Thomas Peterffy gave $7.9M to super PACs and other outside groups in the 2024 federal elections, and 100% 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, 55% were on the winning side ($3.0M won, $2.5M lost). $11K had no matched result and is excluded.

Gave to outside spenders

$7.9M

100% of it helped Republicans

Winning share of scored dollars

55%

$5.5M scored (70% of gifts)

Spent on the losing side

$2.5M

Not allocated or result unknown

$2.4M

$2.4M not allocated to tracked outside spending; $11K 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

Group	Gave	Won / lost
The Sentinel Action Fund $1.4M not allocated to tracked outside spending	$2.0M	$607K / $15K
Glcf, Inc. $93K not allocated to tracked outside spending	$1.5M	$320K / $1.1M
Truth and Courage PAC $416K not allocated to tracked outside spending	$1.3M	$884K / $0
Congressional Leadership Fund $112K not allocated to tracked outside spending	$1.0M	$495K / $382K
Maryland's Future $118K not allocated to tracked outside spending	$1.0M	$0 / $882K
Project Rescue America $124K not allocated to tracked outside spending	$600K	$476K / $0
Senate Leadership Fund $151K not allocated to tracked outside spending	$500K	$248K / $100K

The trail

What the money bought

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

Candidate	Race	Spending	Their share	Paid off?
Angela Alsobrooks	Maryland Senate	Attacking	$870K	✗ No
Mike Rogers	Michigan Senate	Supporting	$791K	✗ No
Colin Allred	Texas Senate	Attacking	$752K	✓ Yes
Debbie Mucarsel-Powell	Florida Senate	Attacking	$476K	✓ Yes
Elissa Slotkin	Michigan Senate	Attacking	$352K	✗ No
Mike Rogers	Michigan Senate (primary)	Supporting	$320K	✓ Yes
Bernard F. Moreno	Ohio Senate	Supporting	$173K	✓ Yes
Sherrod Brown	Ohio Senate	Attacking	$169K	✓ Yes
Ted Cruz	Texas Senate	Supporting	$131K	✓ Yes
Donald Trump	President	Supporting	$127K	✓ Yes
Tim Sheehy	Montana Senate	Supporting	$109K	✓ Yes
Robert P. Casey Jr.	Pennsylvania Senate	Attacking	$98K	✓ Yes

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

Questions people ask

How much did Thomas Peterffy spend on the 2024 elections, and did it win?: Thomas Peterffy gave $7.9M to super PACs and other outside groups in the 2024 federal elections, and 100% 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, 55% were on the winning side ($3.0M won, $2.5M lost). $11K had no matched result and is excluded.
Which super PACs did Thomas Peterffy fund in 2024?: The Sentinel Action Fund ($2.0M), Glcf, Inc. ($1.5M), Truth and Courage PAC ($1.3M), Congressional Leadership Fund ($1.0M), Maryland's Future ($1.0M).
Which candidates did Thomas Peterffy's money end up backing or attacking in 2024?: against Angela Alsobrooks (Maryland Senate, about $870K, lost); for Mike Rogers (Michigan Senate, about $791K, lost); against Colin Allred (Texas Senate, about $752K, won). Amounts are the donor's share of each group's spending.