Donor
William Harris
IndividualRetired, Evergreen Money · Massachusetts
282 gifts to 15 groups, as reported to the FEC by the groups that received them.
William Harris gave $1.6M to super PACs and other outside groups in the 2026 federal elections, and 66% of it helped Democrats (FEC filings through Oct 14, 2026). Counting dollars, not candidates, and only races already called, 54% ended up on the winning side ($337K won, $283K lost, with $20K in races still being counted).
Gave to outside spenders
$1.6M
66% of it helped Democrats
Ended up on the winning side
54%
$337K of the dollars in races already called
Spent on the losing side
$283K
$20K still being counted
Not spent yet
$929K
Sitting with groups that have not spent
Where the cheques went
| Group | Gave | How the group spent it | Won / lost |
|---|---|---|---|
| Senate Majority PAC No outside spending reported yet | $625K | $0 / $0 | |
| Advance Progress $25K not spent yet | $400K | $0 / $223K | |
| Leaders We Deserve $59K not spent yet | $100K | $14K / $3K | |
| Right for Alaska $922 not spent yet | $100K | $29K / $48K | |
| Ab PAC | $100K | $76K / $8K | |
| Lone Star Rising PAC | $100K | $100K / $0 | |
| Stronger Together Pa $12K not spent yet | $75K | $63K / $0 | |
| Illinois Future PAC $2K not spent yet | $50K | $48K / $0 | |
| DSCC No outside spending reported yet | $5K | $0 / $0 | |
| Congressional Progressive Caucus PAC | $5K | $3K / $0 | |
| Giffords PAC $167 not spent yet | $2K | $2K / $0 | |
| NRSC No outside spending reported yet | $2K | $0 / $0 | |
| Paf $576 not spent yet | $1K | $703 / $0 | |
| DCCC No outside spending reported yet | $1K | $0 / $0 | |
| 314 Action Fund | $750 | $379 / $28 |
The trail
What the money bought
| Candidate | Race | Spending | Their share | Paid off? |
|---|---|---|---|---|
| Ed Markey | Massachusetts Senate (primary) | Attacking | $223K | ✗ No |
| Seth Moulton | Massachusetts Senate (primary) | Supporting | $152K | Unknown |
| Ken Paxton | Texas Senate | Attacking | $71K | ✓ Yes |
| Bob Brooks | Pennsylvania 7th District | Supporting | $63K | ✓ Yes |
| Dan J. Sullivan | Alaska Senate (primary) | Attacking | $52K | ✗ No |
| Juliana Stratton | Illinois Senate (primary) | Supporting | $35K | ✓ Yes |
| Gerald Heikes | Alaska Senate (primary) | Supporting | $29K | ✓ Yes |
| James Talarico | Texas Senate | Supporting | $28K | ✓ Yes |
| Earl Southworth | Alaska Senate (primary) | Supporting | $21K | Unknown |
| S Kriishnamoorthi | Illinois Senate (primary) | Attacking | $13K | ✓ Yes |
| Jasmine Crockett | Texas Senate (primary) | Attacking | $10K | ✓ Yes |
| Ashley Hinson | Iowa Senate | Attacking | $9K | ✓ Yes |
Individual as classified from the FEC entity type and public reporting.
Questions people ask
- How much did William Harris spend on the 2026 elections, and did it win?
- William Harris gave $1.6M to super PACs and other outside groups in the 2026 federal elections, and 66% of it helped Democrats (FEC filings through Oct 14, 2026). Counting dollars, not candidates, and only races already called, 54% ended up on the winning side ($337K won, $283K lost, with $20K in races still being counted).
- Which super PACs did William Harris fund in 2026?
- Senate Majority PAC ($625K), Advance Progress ($400K), Leaders We Deserve ($100K), Right for Alaska ($100K), Ab PAC ($100K).
- Which candidates did William Harris's money end up backing or attacking in 2026?
- against Ed Markey (Massachusetts Senate, about $223K, lost); for Seth Moulton (Massachusetts Senate, about $152K, unknown); against Ken Paxton (Texas Senate, about $71K, won). Amounts are the donor's share of each group's spending.