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Megadonor
Stephen Mandel
Founder · Lone Pine Capital · Greenwich, CT
· Strong Democrat
Total Contributions
$96.5M
759 contributions
Megadonor (Strong Democrat). $96,506,937 total across 140 committees over 4 election cycles. Largest recipient: Ab Pac ($18,800,000). $83,991,207 to PACs/Super PACs. $1,458,330 directly to candidates.
🏆 Electoral Scoreboard
Mixed record: 40 wins, 39 losses (51% success rate) across decided races. Outcomes attributed via PAC IE targeting are approximate — the donor funds the PAC, not specific races.
Crockett
TX
Senate
2026
$500K
via Lone Star Rising Pac
Pending
Talarico
TX
Senate
2026
$500K
via Lone Star Rising Pac
Pending
Pulido
TX
House
2026
$500K
via Lone Star Rising Pac
Pending
President
2024
$42K
Direct
Pending
DEM Senate races
—
Senate
2024
$7.1M
via Forward Majority Acti
14W-12L
DEM Senate races
—
Senate
2024
$3.0M
via American Bridge Resea
14W-12L
DEM Senate races
—
Senate
2022
$7.1M
via Forward Majority Acti
12W-12L
President
2020
$101K
Direct
Pending
DEM Senate races
—
Senate
2020
$7.1M
via Forward Majority Acti
14W-15L
📋 Committee Breakdown
Hybrid PAC
$18.8M
13
2020, 2022
Hybrid PAC
$15.0M
4
2022, 2024
Super PAC
$13.5M
6
2024, 2026
Hybrid PAC — Nonqual
$11.9M
20
2020, 2022, 2024, 2026
Super PAC
$7.1M
11
2020, 2022, 2024
Party — Qualified
$3.7M
44
2020, 2022, 2024, 2026
Party — Qualified
$3.7M
43
2020, 2022, 2024, 2026
Party — Qualified
$3.6M
37
2020, 2022, 2024, 2026
PAC — Nonconnected
$1.7M
6
2024
PAC — Nonconnected
$1.1M
6
2020
Super PAC
$325K
3
2024, 2026
PAC — Nonconnected
$182K
2
2024
House Campaign
$101K
3
2020