Overview
Poliscope ↗$4.31M
Raised this cycle
$30K
Outside support
$0
Outside opposition
23%
Small-dollar share
30%
In-state share
9
Flags
Brian Mast is a Republican Representative from FL (District 21). Mast's campaign has raised $4.3 million from 2,730 donors. Funding includes 22.5% from small-dollar donors (under $200) and 30.5% from in-state contributors. Top funding sources by employer include Real Estate, Finance & Investment, Legal Services. Campaign committees include MAST FOR CONGRESS.
Backed by the Uihleins
- Elizabeth Uihlein gave $2,900 (2024)
Backed by Paul Singer
- Paul Singer gave $7,000 (2026)
Backed by AIPAC
- AIPAC PAC gave $4,994 (2026)
- AIPAC PAC gave $41,910 (2024)
Finance & investment money
- Finance & Investment is the candidate's #2 donor sector ($70K from individual donors)
Real estate money
- Real Estate is the candidate's #1 donor sector ($79K from individual donors)
Union PAC money
- UA Union Plumbers & Pipefitters Vote PAC gave $5,000 (2024)
- LIUNA PAC gave $5,000 (2024)
Realtors PAC money
- National Association of Realtors PAC gave $3,000 (2026)
- National Association of Realtors PAC gave $9,000 (2024)
Traded stocks in office
- 119 STOCK Act trades disclosed
Trades overlapping lobbying
- 13 trades in companies lobbying Congress the same year
Money
Poliscope ↗$4.31M
Total raised
2026 cycle
$3.18M
From individuals
$1.16M unitemized
$389K
From PACs
2,730
Donors
avg $229
21%
Large-donor share
By election cycle
- 2016 1,942 donors$2.97M
- 2018 4,050 donors$6.12M
- 2020 4,709 donors$6.20M
- 2022 5,062 donors$6.34M
- 2024 3,140 donors$4.00M
- 2026 2,839 donors$4.31M
Contribution sizes
- <$200 5,948 gifts · 17%$344K
- $200-$499 1,185 gifts · 15%$293K
- $500-$999 393 gifts · 10%$207K
- $1,000-$2,899 433 gifts · 29%$579K
- $2,900+ 133 gifts · 28%$552K
- Refunds / negative records 102 gifts$-126K
Top donor industries and employers
- Real Estate 73 gifts$79K
- Finance & Investment 88 gifts$70K
- Legal Services 113 gifts$67K
- Health Care & Pharmaceuticals 135 gifts$50K
- Technology & Internet 12 gifts$15K
- Education 20 gifts$9K
- Construction 30 gifts$8K
- Insurance 18 gifts$7K
- Agriculture 46 gifts$6K
- Business & Professional Services 8 gifts$5K
- Retail & Consumer Goods 5 gifts$5K
- Communications & Media 4 gifts$2K
- Hospitality & Entertainment 1 gifts$2K
- Transportation 7 gifts$2K
- Nonprofits & Advocacy 2 gifts$1K
Top contributors
| Contributor | Type | State | Total | From PACs | Gifts |
|---|---|---|---|---|---|
| HANLON, SUSAN MRS. | individual | IL | $9,501 | — | 6 |
| KING, MARY SUSAN MS. | individual | VA | $9,001 | — | 10 |
| ARNOLD, ANN D MS. | individual | MN | $7,950 | — | 10 |
| REHNERT, GEOFFREY S MR | individual | MA | $7,000 | — | 1 |
| EDELL, DEBORAH | individual | NY | $7,000 | — | 2 |
| SNYDER, BENJAMIN | individual | PA | $7,000 | — | 1 |
| ROWAN, MARC J. MR. | individual | CT | $7,000 | — | 3 |
| NEFF, BRIAN | individual | FL | $7,000 | — | 3 |
| BERGER, PETER | individual | MN | $7,000 | — | 3 |
| DROR, TABITHA | individual | CA | $7,000 | — | 3 |
| FRANCE, BRIAN | individual | CA | $7,000 | — | 1 |
| STEEL, SHAWN MR. | individual | CA | $7,000 | — | 2 |
| MANDELBAUM, JONAH | individual | NY | $7,000 | — | 2 |
| BRICKEN, TRENTON | individual | MA | $7,000 | — | 1 |
| DROR, BRIAN | individual | CA | $7,000 | — | 3 |
PAC contributors
| PAC | State | Total | Gifts |
|---|---|---|---|
| BULLDOG PAC | TX | $10,000 | 2 |
| EMPLOYEES OF RTX CORPORATION POLITICAL ACTION COMMITTEE | VA | $10,000 | 7 |
| SEAL PAC SUPPORTING ELECTING AMERICAN LEADERS PAC | GA | $10,000 | 2 |
| GENERAL ATOMICS POLITICAL ACTION COMMITTEE | CA | $10,000 | 2 |
| ENGINEERS POLITICAL EDUCATION COMMITTEE (EPEC)/INTERNATIONAL UNION OF OPERATING ENGINEERS | DC | $10,000 | 2 |
| NATIONAL MARINE MANUFACTURERS ASSOCIATION AND MARINE RETAILERS ASSOCIATION BOAT PAC | DC | $10,000 | 4 |
| ATLAS AIR WORLDWIDE HOLDINGS, INC. POLITICAL ACTION COMMITTEE | NY | $9,000 | 5 |
| NORPAC | NJ | $8,500 | 3 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | DC | $7,500 | 3 |
| GENERAL ELECTRIC COMPANY AEROSPACE EMPLOYEE POLITICAL ACTION COMMITTEE (GE AEROSPACE PAC) | DC | $7,500 | 3 |
| DELL TECHNOLOGIES, INC. POLITICAL ACTION COMMITTEE | DC | $6,000 | 3 |
| LEIDOS INC. POLITICAL ACTION COMMITTEE | TN | $6,000 | 2 |
| PARSONS CORPORATION POLITICAL ACTION COMMITTEE | CA | $6,000 | 6 |
| SHEET METAL & AIR CONDITIONING CONTRACTORS' NATIONAL ASSOC., INC. POLITICAL ACTION COMMITTEE | VA | $5,000 | 2 |
| GOOGLE LLC NETPAC | DC | $5,000 | 1 |
Where the money comes from
- FL 30% · home state$597K
- CA 14%$280K
- NY 9%$182K
- TX 5%$101K
- NJ 5%$90K
- VA 4%$78K
- PA 3%$56K
- DC 3%$51K
- CT 2%$47K
- IL 2%$43K
- MA 2%$37K
- MI 2%$30K
Outside spending & dark money
FEC ↗Independent expenditures by super PACs and other groups, for and against.
| Spender | Stance | Spent | Network | Dark money in |
|---|---|---|---|---|
| PAVC PAC C00895698 | Support | $30K 4 filings | — |
Voting record
Congress.gov ↗1,868 roll calls on record: 774 yea, 443 nay, 57 not voting.
800 of 800
| Date | Bill | Question | Position | Result |
|---|---|---|---|---|
| — | 8884 Removing Barriers to Work for Disabled Americans Act | Yea-and-Nay | Yea | Passed 232–188 |
| — | 113 Establishing the congressional budget for the United States Government for fiscal year 2027 and setting forth the appropriate budgetary levels for fiscal years 2028 through 2036. | Yea-and-Nay | Yea | Passed 216–214 |
| — | 7008 Stop Insider Trading Act | Yea-and-Nay | Nay | Failed 211–218 |
| — | 8800 National Defense Authorization Act for Fiscal Year 2027 | Yea-and-Nay | Yea | Passed 216–212 |
| — | Recorded Vote | Aye | Agreed to 232–199 | |
| — | Recorded Vote | Aye | Agreed to 221–210 | |
| — | 6955 Main Street Capital Access Act | Yea-and-Nay | Nay | Failed 210–216 |
| — | Recorded Vote | Aye | Agreed to 221–203 | |
| — | Recorded Vote | Aye | Agreed to 215–214 | |
| — | Recorded Vote | No | Failed 76–350 | |
| — | Recorded Vote | Aye | Failed 201–224 | |
| — | Recorded Vote | Aye | Agreed to 215–214 | |
| — | Recorded Vote | Aye | Agreed to 265–161 | |
| — | Recorded Vote | No | Failed 65–359 | |
| — | Recorded Vote | No | Failed 49–237 | |
| — | 1438 Providing for consideration of the bill (H.R. 8800) to authorize appropriations for fiscal year 2027 for military activities of the Department of Defense, for military construction, and for defense activities of the Department of Energy, to prescribe military personnel strengths for such fiscal year, and for other purposes; providing for consideration of the bill (H.R. 8884) to amend title II of the Social Security Act to reauthorize demonstration authority for the disability insurance program; providing for consideration of the concurrent resolution (H. Con. Res. 113) establishing the congressional budget for the United States Government for fiscal year 2027 and setting forth the appropriate budgetary levels for fiscal years 2028 through 2036; providing for consideration of the bill (H.R. 7008) to amend chapter 131 of title 5 to require certain restrictions on stocks for Members of Congress and their spouses and dependents, and for other purposes; providing for consideration of the bill (H.R. 6955) to make improvements to the Federal banking laws, and for other purposes; providing for consideration of the bill (H.R. 9770) making continuing appropriations for fiscal year 2027, and for other purposes; and for other purposes. | Recorded Vote | Aye | Passed 214–211 |
| — | 1438 Providing for consideration of the bill (H.R. 8800) to authorize appropriations for fiscal year 2027 for military activities of the Department of Defense, for military construction, and for defense activities of the Department of Energy, to prescribe military personnel strengths for such fiscal year, and for other purposes; providing for consideration of the bill (H.R. 8884) to amend title II of the Social Security Act to reauthorize demonstration authority for the disability insurance program; providing for consideration of the concurrent resolution (H. Con. Res. 113) establishing the congressional budget for the United States Government for fiscal year 2027 and setting forth the appropriate budgetary levels for fiscal years 2028 through 2036; providing for consideration of the bill (H.R. 7008) to amend chapter 131 of title 5 to require certain restrictions on stocks for Members of Congress and their spouses and dependents, and for other purposes; providing for consideration of the bill (H.R. 6955) to make improvements to the Federal banking laws, and for other purposes; providing for consideration of the bill (H.R. 9770) making continuing appropriations for fiscal year 2027, and for other purposes; and for other purposes. | Yea-and-Nay | Yea | Passed 213–209 |
| — | 8823 Putting Patients First by Strengthening Provider Accountability in FECA Act | 2/3 Yea-And-Nay | Yea | Passed 396–0 |
| — | 4541 To reauthorize the Young Women’s Breast Health Education and Awareness Requires Learning Young Act of 2009. | 2/3 Yea-And-Nay | Yea | Passed 394–6 |
| — | 5362 To name the Department of Veterans Affairs multispecialty clinic in Marietta, Georgia, as the "Colonel Michael H. Boyce Department of Veterans Affairs Multispecialty Clinic". | 2/3 Yea-And-Nay | Yea | Passed 418–0 |
| — | 8595 Making appropriations for national security, Department of State, and related programs for the fiscal year ending September 30, 2027, and for other purposes. | Yea-and-Nay | Yea | Passed 217–209 |
| — | Recorded Vote | Aye | Failed 136–291 | |
| — | Recorded Vote | No | Failed 6–421 | |
| — | Recorded Vote | No | Failed 104–314 | |
| — | Recorded Vote | Aye | Failed 79–348 |
Bills sponsored and cosponsored
Congress.gov ↗| Bill | Title | Role | Policy area | Latest action | Law? |
|---|---|---|---|---|---|
| 7008 | Stop Insider Trading Act | cosponsor | Congress | Aug 6, 2026 | — |
| 9471 | SAFE Banking Act of 2026 | cosponsor | Finance and Financial Sector | Jul 17, 2026 | — |
| 4398 | Veteran Burial Timeliness and Death Certificate Accountability Act | cosponsor | Armed Forces and National Security | Jun 30, 2026 | — |
| 1396 | Expressing support for the designation of the month of June 2026 as "National Post-Traumatic Stress Awareness Month" and June 27, 2026, as "National Post-Traumatic Stress Awareness Day". | cosponsor | Armed Forces and National Security | Jun 29, 2026 | — |
| 9250 | Great American Outdoors Act 250 | cosponsor | Public Lands and Natural Resources | Jun 24, 2026 | — |
| 425 | Repealing Big Brother Overreach Act | cosponsor | Finance and Financial Sector | Jun 18, 2026 | — |
| 7037 | Developing Overseas Mineral Investments and New Allied Networks for Critical Energies Act | cosponsor | International Affairs | Jun 9, 2026 | — |
| 9094 | Florida Freeze Disaster Assistance Act of 2026 | cosponsor | Agriculture and Food | Jun 2, 2026 | — |
| 9086 | Foreign Service Modernization Act | cosponsor | International Affairs | Jun 2, 2026 | — |
| 9017 | Restore Florida Water Independence Act of 2026 | cosponsor | Environmental Protection | May 22, 2026 | — |
| 1320 | Calling upon all Americans on this Memorial Day, 2026, to honor the men and women of the Armed Forces who have died in the pursuit of freedom and peace. | cosponsor | Armed Forces and National Security | May 22, 2026 | — |
| 1329 | Smithsonian American Women’s History Museum Act | cosponsor | Arts, Culture, Religion | May 21, 2026 | — |
| 8934 | CARE for RPA Crews Act | cosponsor | Armed Forces and National Security | May 20, 2026 | — |
| 1296 | Expressing support for designation of May 16, 2026, as the "National Day of Light". | cosponsor | Science, Technology, Communications | May 15, 2026 | — |
| 96 | Expressing support for law enforcement officers. | cosponsor | Crime and Law Enforcement | May 14, 2026 | — |
Committees
FEC ↗Campaign committees
| Committee | ID | Type | Relationship | Raised |
|---|---|---|---|---|
| MAST FOR CONGRESS | C00632257 | H / P | principal | $13.2M |
Terms in Congress
| end | url | type | party | phone | start |
|---|---|---|---|---|---|
| 2019-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2017-01-03 |
| 2021-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2019-01-03 |
| 2023-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2021-01-03 |
| 2025-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2023-01-03 |
| 2027-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2025-01-03 |
Stock trades
Filings ↗STOCK Act periodic transaction reports. Amounts are the ranges filers report.
| Traded | Asset | Type | Amount | Owner | Disclosed |
|---|---|---|---|---|---|
| Mar 4, 2024 | T AT&T Inc. | purchase | $223 | dependent | Mar 26, 2024 |
| Mar 4, 2024 | T AT&T Inc. | purchase | $172 | dependent | Mar 26, 2024 |
| Mar 4, 2024 | AMZN Amazon.com, Inc. - Common Stock | purchase | $350 | dependent | Mar 26, 2024 |
| Mar 4, 2024 | T S O: Charles Schwab Magnum Mast Brokerage Acct DC AT&T Inc. | purchase | $223.60 | — | Mar 26, 2024 |
| Mar 4, 2024 | T S O: Maverick Mast Charles Schwab Brokerage Account DC AT&T Inc. | purchase | $172.00 | — | Mar 26, 2024 |
| Mar 4, 2024 | AMZN Amazon.com, Inc. - Common Stock | purchase | $350.78 | dependent | Mar 26, 2024 |
| Apr 18, 2022 | SPCE Virgin Galactic Holdings, Inc. | sale_full | $1,001 - $15,000 | — | May 9, 2022 |
| Apr 18, 2022 | UGRO urban-gro, Inc. | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Apr 18, 2022 | TLRY Tilray Brands, Inc. - Class 2 | sale_full | $1,001 - $15,000 | — | May 9, 2022 |
| Apr 18, 2022 | SDC SmileDirectClub, Inc. | sale_full | $1,001 - $15,000 | — | May 9, 2022 |
| Apr 18, 2022 | IWM iShares Russell 2000 ETF | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Apr 18, 2022 | UGRO S O: MS Joint A/C urban-gro, Inc. | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Apr 18, 2022 | IWM iShares Russell 2000 ETF | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Aug 5, 2021 | ESGC 2000083712 Eros STX Global Corporation A Ordinary Shares | sale_full | $1,001 - $15,000 | — | Aug 12, 2022 |
| Aug 5, 2021 | ESGC Eros STX global Corporation A Ordinary Shares | sale_full | $1,001 - $15,000 | — | Sep 7, 2021 |
Trades in companies that lobbied Congress the same year
An association signal from Poliscope, not evidence of wrongdoing.
| Traded | Company | Type | Amount | Lobbying filings | Lobbying spend | Issues |
|---|---|---|---|---|---|---|
| Mar 4, 2024 | AMZN AMAZON.COM, INC. | P | $350.78 | 23 | $1.84M | Agriculture, Budget/Appropriations, Computer Industry, Defense, Government Issues, Labor Issues/Antitrust/Workplace, Trade (domestic/foreign), Transportation |
| Mar 4, 2024 | AMZN AMAZON.COM, INC. | P | $350 | 23 | $1.84M | Agriculture, Budget/Appropriations, Computer Industry, Defense, Government Issues, Labor Issues/Antitrust/Workplace, Trade (domestic/foreign), Transportation |
| Apr 18, 2022 | SPCE VIRGIN GALACTIC HOLDINGS, INC. | S | $1,001 - $15,000 | 12 | $240K | Aerospace, Budget/Appropriations |
| Apr 18, 2022 | TLRY TILRAY BRANDS INC. | S | $1,001 - $15,000 | 9 | $0 | Banking, Health Issues, Trade (domestic/foreign) |
| Jul 19, 2021 | SPCE VIRGIN GALACTIC HOLDINGS, INC. | P | $15,001 - $50,000 | 18 | $190K | Aerospace, Budget/Appropriations |
| Jul 19, 2021 | SPCE VIRGIN GALACTIC HOLDINGS, INC. | P | $15,001 | 18 | $190K | Aerospace, Budget/Appropriations |
| Feb 7, 2020 | UBER UBER TECHNOLOGIES INC. | s | $15,001 - $50,000 | 126 | $23.2M | Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Disaster Planning/Emergencies, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Roads/Highway, Science/Technology |
| Jan 21, 2020 | UBER UBER TECHNOLOGIES INC. | s | $1,001 - $15,000 | 126 | $23.2M | Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Disaster Planning/Emergencies, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Roads/Highway, Science/Technology |
| Sep 23, 2019 | UBER UBER TECHNOLOGIES INC. | P | $15,001 - $50,000 | 113 | $18.4M | Automotive Industry, Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Medicare/Medicaid, Science/Technology |
| Sep 16, 2019 | UBER UBER TECHNOLOGIES INC. | P | $15,001 - $50,000 | 113 | $18.4M | Automotive Industry, Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Medicare/Medicaid, Science/Technology |
| Mar 14, 2019 | SNAP SNAP INC. | s | $1,001 - $15,000 | 12 | $360K | Computer Industry, Consumer Issues/Safety/Products, Law Enforcement/Crime/Criminal Justice |
| Feb 11, 2019 | SNAP SNAP INC. | P | $1,001 - $15,000 | 12 | $360K | Computer Industry, Consumer Issues/Safety/Products, Law Enforcement/Crime/Criminal Justice |
| Feb 7, 2019 | SNAP SNAP INC. | P | $1,001 - $15,000 | 12 | $360K | Computer Industry, Consumer Issues/Safety/Products, Law Enforcement/Crime/Criminal Justice |
Gifts & travel
No records in Poliscope for this section.
Lobbying ties
Poliscope ↗Does not appear as a registered lobbyist in LDA filings.
13 stock trades overlapped with lobbying by the same company in the same year. See stock trades.
Top donor industries: Real Estate, Finance & Investment, Legal Services, Health Care & Pharmaceuticals, Technology & Internet. See money.
Financial disclosures
Poliscope ↗Executive-branch (OGE 278e) disclosures, which apply to candidates who served as federal appointees.
No records in Poliscope for this section.
Past races
FEC ↗| Cycle | Office | State | District | FEC ID | Raised |
|---|---|---|---|---|---|
| 2026 | House | FL | 21 | H6FL18097 | $4.31M |
| 2024 | House | FL | 21 | H6FL18097 | $4.00M |
| 2022 | House | FL | 21 | H6FL18097 | $6.34M |
| 2020 | House | FL | 18 | H6FL18097 | $6.20M |
| 2018 | House | FL | 18 | H6FL18097 | $6.12M |
| 2016 | House | FL | 18 | H6FL18097 | $2.97M |
Source: Poliscope (poliscope.org), compiled from FEC, Congress.gov, LDA, SEC, OGE and congressional gift and travel records. Snapshot Sep 11, 2026. Flags are definitions of this site, listed on the hot buttons page; each is checked with documented rules against the filings above.