Donations can be made to political candidates in various amounts. The FEC regulates these donations, and individual groups, excluding PACs, must disclose donations over $250 per year.
The following table lists top 100 contributions donated to Mike Levin's campaign in October.
| Rank | Contributor | Amount |
|---|---|---|
| 1 | Sheila B. Nickerson | $2,800 |
| 2 | Allen Blue | $2,752 |
| 3 | Brian Morales | $2,550 |
| 4 | Kiaran Snyder | $1,651 |
| 5 | David-Alexandre Gros | $1,000 |
| 5 | Alex Cherin | $1,000 |
| 5 | Nadia Foster | $1,000 |
| 5 | Jennifer A. Batra | $1,000 |
| 5 | Kathleen De Paolo | $1,000 |
| 10 | Arthur Beutler | $850 |
| 11 | Jeffrey Weisberg | $500 |
| 11 | Somerset Perry | $500 |
| 11 | Mark Abramowitz | $500 |
| 11 | Patricia Mara | $500 |
| 11 | William Kritzmire | $500 |
| 11 | Alexander Ma | $500 |
| 11 | Matthew Strauss | $500 |
| 11 | Victor Shao | $500 |
| 11 | Carol Becker | $500 |
| 11 | Shane Stephens | $500 |
| 11 | Stephen James | $500 |
| 11 | Clifton Chunn | $500 |
| 11 | Jill Stone | $500 |
| 24 | John Lean | $400 |
| 25 | Kris Balch | $325 |
| 26 | Cynthia Snell | $300 |
| 26 | Andrew Okun | $300 |
| 26 | Charles W. Buck | $300 |
| 29 | Marilyn Wigglesworth | $250 |
| 29 | Mark Nielsen | $250 |
| 29 | Samuel Baum | $250 |
| 29 | Gary Burdick | $250 |
| 29 | Jonathan Port | $250 |
| 29 | John Grotting | $250 |
| 29 | Richard Neubauer | $250 |
| 29 | Donald Hartley | $250 |
| 29 | Harold Feder | $250 |
| 29 | David M. Thier | $250 |
| 29 | John Lavely Jr. | $250 |
| 29 | Susie Jablinske | $250 |
| 29 | Charles E. Nogales | $250 |
| 29 | Judith King | $250 |
| 29 | Gregor Thomas | $250 |
| 29 | Halle Shilling | $250 |
| 29 | Michael Byowitz | $250 |
| 29 | Patty Ebel | $250 |
| 29 | Naomi Morales | $250 |
| 29 | Barry Hager | $250 |
| 29 | Maureen E. Schneider | $250 |
| 50 | Jeff Hall | $200 |
| 50 | Luke Liem | $200 |
| 50 | Maurine Freeman | $200 |
| 50 | Mike Sandoval | $200 |
| 54 | Julian M. Joshua | $150 |
| 54 | Tara Gillman | $150 |
| 54 | Dennis Michael Bodensteiner | $150 |
| 54 | Alice Moran | $150 |
| 54 | Joan Smith | $150 |
| 59 | Samuel Salkin | $120 |
| 60 | Roger Powalisz | $100 |
| 60 | Rowena Pelayo | $100 |
| 60 | Joel Colburn | $100 |
| 60 | Linda A. Mclaughlin | $100 |
| 60 | Patricia Tanttila | $100 |
| 60 | Jason Dedrick | $100 |
| 60 | Cynthia K. Fletcher-Tyler | $100 |
| 60 | James Haimes | $100 |
| 60 | Norm Levin | $100 |
| 60 | Tracy Strahl | $100 |
| 60 | Geoff Heath | $100 |
| 60 | Kerry Wiger | $100 |
| 60 | Tim Patterson | $100 |
| 60 | Thomas Jones | $100 |
| 60 | Billups Prestridge | $100 |
| 60 | Rosanne Farnum | $100 |
| 60 | Curtis L. Wilbur | $100 |
| 60 | Matthew Cravets | $100 |
| 60 | Atul Patel | $100 |
| 60 | Lora Piazza | $100 |
| 60 | Dale Bruso | $100 |
| 60 | Lynn Bruser | $100 |
| 60 | Lloyd Hubbs | $100 |
| 60 | Peter Vander Arend | $100 |
| 60 | Linda Enochs | $100 |
| 60 | Richard Jaross | $100 |
| 60 | William Byrd | $100 |
| 60 | Jim Healy | $100 |
| 60 | Jennifer White | $100 |
| 60 | Sheri Sachs | $100 |
| 60 | Charles Winner | $100 |
| 60 | Helen Eckmann | $100 |
| 60 | Dennis Martinek | $100 |
| 60 | Ross Tanner | $100 |
| 94 | Philip Ziring | $95 |
| 95 | Guido T. Marx | $85 |
| 96 | Michael Mata | $75 |
| 97 | Stuart Gaiber | $72 |
| 98 | William Tieman | $70 |
| 98 | Toni Cafaro | $70 |
| 100 | Camille Fitzpatrick | $60 |
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