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 the top 100 contributions donated to Mark Allan Takano's campaign in 2020.
| Rank | Date | Amount | Contributor |
|---|---|---|---|
| 1 | 2020-02-08 | $5,600 | Jon Stryker |
| 1 | 2020-03-02 | $5,600 | Charles Myers |
| 1 | 2020-03-18 | $5,600 | Alan Jones |
| 1 | 2020-03-30 | $5,600 | Jack Dangermond |
| 5 | 2020-03-03 | $5,100 | Rajesh Bera |
| 6 | 2020-01-30 | $4,000 | Linnette Garber |
| 6 | 2020-02-10 | $4,000 | Mark Smith |
| 8 | 2020-03-27 | $3,000 | George Melas-Kyriazi |
| 9 | 2020-04-02 | $2,800 | Jason Haider |
| 9 | 2020-04-06 | $2,800 | Edward Snowdon |
| 9 | 2020-04-25 | $2,800 | Greg L. Taber |
| 9 | 2020-06-19 | $2,800 | Wayne D. Jordan |
| 9 | 2020-06-20 | $2,800 | Tim Disney |
| 9 | 2020-06-21 | $2,800 | Victoria Sanders |
| 9 | 2020-06-24 | $2,800 | Kay Anderle |
| 9 | 2020-06-28 | $2,800 | Barbara Rosenstein |
| 9 | 2020-06-29 | $2,800 | Wayne L. Davis |
| 9 | 2020-06-30 | $2,800 | Aida Ekmekjyan |
| 19 | 2020-06-21 | $2,600 | Anthony T. Fenison |
| 20 | 2020-01-10 | $2,000 | Simon Pang |
| 20 | 2020-01-27 | $2,000 | Louis C. Tharp |
| 20 | 2020-02-02 | $2,000 | Lisa Henson |
| 20 | 2020-02-10 | $2,000 | Laura Bierut |
| 20 | 2020-02-20 | $2,000 | Brandon Riker |
| 20 | 2020-02-22 | $2,000 | Gregory D. Porter |
| 20 | 2020-03-27 | $2,000 | Douglas E. Mitchell |
| 20 | 2020-06-27 | $2,000 | Christopher Fraley |
| 28 | 2020-02-14 | $1,600 | George Takei |
| 29 | 2020-01-30 | $1,500 | Ari Ryan |
| 29 | 2020-01-30 | $1,500 | Marilyn Ziering |
| 29 | 2020-01-30 | $1,500 | Scott Kotick |
| 32 | 2020-01-09 | $1,000 | Osamu Watanabe |
| 32 | 2020-01-13 | $1,000 | Warren Goldfarb |
| 32 | 2020-01-14 | $1,000 | Douglas E. Mitchell |
| 32 | 2020-01-31 | $1,000 | Mark G. Kortepeter |
| 32 | 2020-01-31 | $1,000 | Thomas Iino |
| 32 | 2020-02-01 | $1,000 | Alexander Sawchuk |
| 32 | 2020-02-14 | $1,000 | Glenn Hessel |
| 32 | 2020-02-25 | $1,000 | Ajeet R. Singhvi |
| 32 | 2020-02-25 | $1,000 | Aki N. Caszatt |
| 32 | 2020-02-28 | $1,000 | Charles Middleton |
| 32 | 2020-02-28 | $1,000 | Douglas E. Mitchell |
| 32 | 2020-02-28 | $1,000 | Frederick Briggs |
| 32 | 2020-03-01 | $1,000 | Mark G. Kortepeter |
| 32 | 2020-03-02 | $1,000 | Glenn Hessel |
| 32 | 2020-03-03 | $1,000 | Barbara Zacky |
| 32 | 2020-03-06 | $1,000 | Daniel Leyvadiaz |
| 32 | 2020-03-25 | $1,000 | Owen J. Kustner |
| 32 | 2020-03-30 | $1,000 | George Takei |
| 32 | 2020-04-30 | $1,000 | Douglas E. Mitchell |
| 32 | 2020-06-05 | $1,000 | Manny Silverman |
| 32 | 2020-06-12 | $1,000 | Burt Levitch |
| 32 | 2020-06-15 | $1,000 | Gregory D. Porter |
| 32 | 2020-06-16 | $1,000 | Linda Y. Aratani |
| 32 | 2020-06-17 | $1,000 | Doug Aoyama |
| 32 | 2020-06-19 | $1,000 | William Waybourn |
| 32 | 2020-06-20 | $1,000 | Henry Y. Ota |
| 32 | 2020-06-20 | $1,000 | Osamu Watanabe |
| 32 | 2020-06-21 | $1,000 | Dianne Fukami |
| 32 | 2020-06-21 | $1,000 | Frederick Briggs |
| 32 | 2020-06-22 | $1,000 | Barry C. McCabe |
| 32 | 2020-06-22 | $1,000 | Larry Falconino |
| 32 | 2020-06-24 | $1,000 | Claire Lucas |
| 32 | 2020-06-24 | $1,000 | George Melaskyriazi |
| 32 | 2020-06-25 | $1,000 | David Martin |
| 32 | 2020-06-26 | $1,000 | Glen Dake |
| 32 | 2020-06-26 | $1,000 | Mark Smith |
| 32 | 2020-06-26 | $1,000 | Milo Pinkerton |
| 32 | 2020-06-28 | $1,000 | Robin Taber |
| 32 | 2020-06-30 | $1,000 | Aki N. Caszatt |
| 32 | 2020-06-30 | $1,000 | Dean Pitchford |
| 32 | 2020-06-30 | $1,000 | Thomas M. Bates |
| 73 | 2020-01-30 | $800 | Dan Rosenson |
| 73 | 2020-01-30 | $800 | Donald Jones |
| 73 | 2020-01-30 | $800 | Dvorah Colker |
| 73 | 2020-01-30 | $800 | Gary Gradinger |
| 73 | 2020-01-30 | $800 | Jacqueline Kosecoff |
| 73 | 2020-01-30 | $800 | Mel Plutsky |
| 73 | 2020-01-30 | $800 | Richard Eidinger |
| 73 | 2020-01-30 | $800 | Ted Meisel |
| 73 | 2020-03-05 | $800 | Alan Kleinman |
| 82 | 2020-01-30 | $600 | Betsy Borns |
| 83 | 2020-01-30 | $550 | Frances R. Grossman |
| 83 | 2020-01-30 | $550 | Robert Shpall |
| 83 | 2020-01-30 | $550 | Robin Nourmand |
| 86 | 2020-01-11 | $500 | Norris Nagao |
| 86 | 2020-01-29 | $500 | Barbara Zacky |
| 86 | 2020-02-01 | $500 | William Derrenbacher |
| 86 | 2020-02-29 | $500 | Gene Howell |
| 86 | 2020-02-29 | $500 | William Derrenbacher |
| 86 | 2020-03-01 | $500 | Lon McCanne |
| 86 | 2020-03-11 | $500 | Robert Merrill |
| 86 | 2020-03-30 | $500 | Rajesh Bera |
| 86 | 2020-03-31 | $500 | Lon McCanne |
| 86 | 2020-04-01 | $500 | Mark G. Kortepeter |
| 86 | 2020-04-30 | $500 | George Takei |
| 86 | 2020-05-01 | $500 | Mark G. Kortepeter |
| 86 | 2020-05-22 | $500 | Lawrence Title |
| 86 | 2020-06-01 | $500 | Mark G. Kortepeter |
| 86 | 2020-06-05 | $500 | Judith Steinberg |
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