Itemized gifts are loaded through June 30, 2026 for the 2025–2026 cycle. Later FEC reports are not processed yet, so recent totals are incomplete.
MERCER, ROBERT L
Individual donor · EAST SETAUKET, NY· RENAISSANCE TECHNOLOGIES (RESEARCHER)
Summary by party and cycle
| Cycle | Candidate party | For | Against |
|---|---|---|---|
| 2018 | Republican | $5,400 | $0 |
| 2016 | Republican | $16,300 | $0 |
Details by candidate
| Cycle | Candidate | Party | How | For or against | Amount | Gifts | Latest | Source |
|---|---|---|---|---|---|---|---|---|
| 2018 | MCSALLY, MARTHA | Republican | Contribution | For | $2,700 | 1 | 2017-11-07 | filing |
| 2018 | ROMNEY, WILLARD MITT | Republican | Contribution | For | $2,700 | 1 | 2018-10-24 | filing |
| 2016 | BANKS, JAMES E | Republican | Contribution | For | $5,400 | 2 | 2015-09-29 | latest filing |
| 2016 | NIKPOUR, NOELLE | Republican | Contribution | For | $5,400 | 2 | 2015-11-02 | latest filing |
| 2016 | MCSALLY, MARTHA | Republican | Contribution | For | $2,700 | 1 | 2015-06-30 | filing |
| 2016 | GUILLORY, ELBERT | Republican | Contribution | For | $2,700 | 1 | 2016-09-15 | filing |
| 2016 | AYOTTE, KELLY A | Republican | Contribution | For | $100 | 1 | 2016-09-30 | filing |