Campaign finance data for California's 4th Congressional District: 6 candidates raised $4.4M.
| # | Candidate | Party | Raised | Spent |
|---|---|---|---|---|
| 1 | MORSE, JESSICA | DEM | $3.1M | $3.3M |
| 2 | MCCLINTOCK, THOMAS | REP | $1.2M | $1.2M |
| 3 | MUNN, JOHN | REP | $160K | $160K |
| 4 | PATWARDHAN, NIKET | NOP | $9K | $9K |
| 5 | ENGDAHL, ANDREW DAVID | DEM | $2K | $4K |
| 6 | BROCK, MATTHEW | REP | $2K | $2K |