Senator · Nevada
Catherine Cortez Masto
Catherine Cortez Masto is a Democratic senator from Nevada, in Congress since 2017. In the 119th Congress, 915 roll calls were held while they served; they missed 18, and cast 756 of 826 party-unity votes with the majority of their caucus.
- Party
- Democrat
- Chamber
- Senate
- Current
- In Congress since
- Jan 3, 2017
- Term ends
- Jan 3, 2029

Record by Congress
Counts with their denominators for each Congress and chamber served. Ranks are among members who served most of that Congress (100 or more roll calls): rank 1 did it most often. A description, not a grade.
| Congress | Roll calls | Missed | Votes with party | Sponsored | Cosponsored across the aisle |
|---|---|---|---|---|---|
| 119th CongressSenate | 915 | 2.0%18 of 915 · rank 53 of 101 | 92%756 of 826 · rank 90 of 101 | 1230 became law | 47%197 of 415 |
| 118th CongressSenate | 691 | 1.4%10 of 691 · rank 73 of 101 | 99%531 of 535 · rank 29 of 101 | 981 became law | 26%110 of 420 |
| 117th CongressSenate | 949 | 0.5%5 of 949 · rank 94 of 100 | 98%748 of 764 · rank 53 of 100 | 1162 became law | 21%97 of 452 |
Ideology (DW-NOMINATE)
Voteview's DW-NOMINATE first dimension estimates where members sit from all their roll calls: liberal (−1) to conservative (+1). It describes voting patterns, not views. Shown for the 119th Congress (Senate), with each party's median and the chamber's range.
Source: Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/
Votes against their party
The latest party-unity votes on bills and amendments where the member voted yea or nay against most of their caucus.
- Aug 7, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 32–64· Against party
- Jan 30, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 71–29· Against party
- Nov 10, 2025· Senate· Passage· On Passage of the Bill· Bill Passed 60–40· Against party
- Nov 10, 2025· Senate· Amendments· On the Amendment· Amendment Agreed to 60–40· Against party
- Sep 30, 2025· Senate· Passage· On Passage of the Bill· Bill Defeated 55–45· Against party
- Jun 17, 2025· Senate· Passage· On Passage of the Bill· Bill Passed 68–30· Against party
- Jun 12, 2025· Senate· Amendments· On the Amendment· Amendment Agreed to 67–30· Against party
- Mar 26, 2025· Senate· Passage· On the Joint Resolution· Joint Resolution Passed 70–28· Against party
Recent votes
The latest roll calls on bills and amendments, with the member's recorded position.
- Sep 28, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 77–22
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 47–52
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 49–50
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 42–54
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 1–94
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Agreed to 96–1
- Sep 24, 2026· Senate· Passage· On the Concurrent Resolution· Concurrent Resolution Rejected 49–50
- Sep 24, 2026· Senate· Amendments· On the Amendment· Amendment Agreed to 77–23
- Aug 8, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 90–6
- Aug 7, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 86–11
- Aug 7, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 32–64· Against party
- Jul 30, 2026· Senate· Passage· On the Resolution· Resolution Agreed to 50–47
Sponsored bills
Bills and resolutions the member introduced as sponsor in the loaded Congresses. Volume is not quality: most measures never leave committee.
337 sponsored · 3 became law
How far they got
- Introduced29387%
- Reported by committee133.9%
- Passed one chamber288.3%
- Became law30.9%
Policy areas
- Taxation32
- Commerce31
- Energy29
- Public Lands and Natural Resources28
- Health27
- Transportation and Public Works19
- Crime and Law Enforcement18
- Armed Forces and National Security16
Latest activity
- S. 1574 Tribal Access to Electronic Evidence ActPassed one chamber· Native Americans· Oct 5, 2026
- S. 5681 A bill to provide for the protection of the duties of the Inspector General of the Federal Housing Finance Agency.Introduced· Sep 30, 2026
- S. 4406 Next-Generation Geothermal Research and Development ActIntroduced· Energy· Sep 30, 2026
- S. 4166 SECURE Grid ActIntroduced· Energy· Sep 30, 2026
- S.Res. 888 A resolution congratulating the Paseo Verde Little League baseball team on winning the 2026 Little League World Series United States Championship.Passed one chamber· Sports and Recreation· Sep 23, 2026
- S. 5465 Bringing the Discount Window into the 21st Century ActIntroduced· Finance and Financial Sector· Sep 23, 2026
- S.Res. 870 A resolution recognizing Hispanic Heritage Month and celebrating the heritage and culture of Latinos in the United States and the immense contributions of Latinos to the United States.Passed one chamber· Arts, Culture, Religion· Sep 22, 2026
- S. 91 Western Wildfire Support Act of 2026Reported by committee· Emergency Management· Sep 17, 2026
Committees
Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.
Current seats
- Financial Institutions and Consumer ProtectionRanking Member
- Public Lands, Forests, and MiningRanking Member
Campaign money
What the member's campaigns reported receiving, per FEC two-year cycle, and the federal contracts of the organizations that sponsor the giving PACs (each sponsor matched to a contract recipient by AI, with its probability). Comparisons of public records: neither explains the other.
2026 cycle
- Raised
- $2.2M
- through Jun 30, 2026
- Cash on hand
- $3.4M
- From committees
- $298.6K
- 101 committees
- From contractor PACs
- $72K
- 25 PACs · 24% of committee money
Largest gifts from PACs of federal contractors, 2026
| PAC sponsor | Given | Matched contract recipient | Its contracts, FY2026 |
|---|---|---|---|
| american psychological association services inc. (apasi)psychology pac of american psychological association services inc. | $10K | AMERICAN PSYCHOLOGICAL ASSOCIATIONAI match · 99% · the same organization | $710.8K |
| humana inc.humana inc. political action committee | $5,000 | HUMANA GOVERNMENT BUSINESS INCAI match · 100% · of one corporate family | $5.6B |
| qualcomm incorporatedqualcomm incorporated political action committee (qpac) | $5,000 | QUALCOMM TECHNOLOGIES INCAI match · 100% · of one corporate family | $93.5K |
| fresenius medical care holdings, inc.fresenius medical care holdings, inc. political action committee | $5,000 | FRESENIUS MEDICAL CARE HOLDINGS INCAI match · 95% · the same organization | $268.7M |
| day & zimmermann incday & zimmermann inc federal pac (aka 'daypac - federal') | $3,000 | DAY AND ZIMMERMANN, INCORPORATEDAI match · 93% · the same organization | $0 |
| fluor corporationfluor corporation political action committee (fluor pac) | $2,500 | FLUOR-BWXT PORTSMOUTH LLCAI match · 100% · of one corporate family | -$1.7M |
| anheuser-busch companies inc.anheuser-busch companies llc political action committee | $2,500 | ANHEUSER-BUSCH, LLCAI match · 99% · the same organization | — |
| the boeing companythe boeing company pac | $2,500 | THE BOEING COMPANYAI match · 99% · the same organization | $9B |
| genentech inc.genentech inc. political action committee (genenpac) | $2,500 | GENENTECH USA, INCAI match · 100% · the same organization | $939.6K |
| marriott international, inc.marriott international, inc. political action committee | $2,500 | MARRIOTT INTERNATIONAL, INC.AI match · 100% · the same organization | $3.5M |
By cycle
| Cycle | Raised (FEC summary) | From committees | From contractor PACs |
|---|---|---|---|
| 2026 | $2.2M | $298.6K | $72K25 PACs · 24% of committee money |
| 2024 | $3.3M | $138.7K | $23.5K9 PACs · 17% of committee money |
| 2022 | $60.6M | $3.1M | $484K102 PACs · 16% of committee money |
Raised is the FEC's cumulative summary of the candidacy; committee money counts each contribution reported, so the two cover slightly different dates.
Terms
Every term in the House or Senate, as published by the congress-legislators project.
- Senate · NevadaJan 3, 2023 – Jan 3, 2029
- Senate · NevadaJan 3, 2017 – Jan 3, 2023
Contact
Official channels, as published.
- Website
- www.cortezmasto.senate.gov
- Phone
- 202-224-3542
- Office
- 309 Hart Senate Office Building
- Contact form
- Contact form
Identifiers
The same member in other public records.
Sources and method
Every figure on this page traces to these records.
- Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
- House roll-call votes (Office of the Clerk, U.S. House of Representatives)Office of the Clerk, U.S. House of Representatives, roll-call vote records · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Senate roll-call votes and DW-NOMINATE scores (Voteview (UCLA Department of Political Science))Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/ · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Free to use with the required citation
- Bill status: bills and resolutions, sponsors, actions, subjects and CRS summaries (U.S. Government Publishing Office (GovInfo), from Congress.gov (Library of Congress))GovInfo Bill Status bulk data (Congress.gov; summaries by the Congressional Research Service) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Committees, candidates and committee contributions to candidates (Federal Election Commission)FEC bulk data: committee master, candidate master (candidates' names, no addresses), linkages, PAC summaries, all-candidates summaries and contributions from committees (no individual contributors) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 9, 2026 · loaded Oct 9, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Positions are shown only where a roll call recorded them; voice votes and unanimous consent record none.
- Activity counts describe volume and attendance; they are not a measure of quality.
- Money and votes are shown side by side; neither explains the other.