U.S. Senator
Markwayne Mullin
Oklahoma
RepublicanConservative
Contact
Contact information not yet available
Voting Profile
Legislative Record
Most Active Policy Areas
#1 healthcare#2 other#3 defense#4 budget#5 agriculture
129
Votes Analyzed
Data sources: voteview, congress.gov
Political Position
Ideology Spectrum
0.53Conservative
Senator Mullin is a conservative Republican whose voting record places him slightly to the right of his party's average in the Senate. His ideological positioning reflects traditional Republican values on fiscal and regulatory matters, consistent with representing a solidly conservative state like Oklahoma.
LiberalModerateConservative
Republican avg
Near the average for Republicans (0.52)
Data source: VoteView NOMINATE scores (UCLA/UC San Diego)
Policy Positions
Category Breakdown
129
total votes analyzed
Overview
Markwayne Mullin serves as a U.S. Senator from Oklahoma, having previously served in the House of Representatives. His voting record shows consistent alignment with Republican Party positions, particularly on procedural matters and party-line votes. His legislative activity spans multiple policy areas, with the largest concentration of votes in healthcare-related matters. He has shown strong support for banking and finance measures as well as social security-related votes in his recorded positions. Senator Mullin's background as a business owner before entering politics has influenced his approach to economic and regulatory issues. He represents Oklahoma's interests in the Senate while maintaining a reliably conservative voting pattern.
Key Positions
- •Consistent support for Republican procedural positions in legislative matters
- •Active voting record on healthcare-related legislation
- •Strong support for banking and financial services measures
- •Fiscal conservatism reflected in budget votes
- •Support for agricultural interests relevant to Oklahoma
By Policy Area
Healthcare80
56% yea44% nay
Other13
85% yea15% nay
Defense7
57% yea43% nay
Budget & Spending7
29% yea71% nay
Agriculture6
67% yea33% nay
Environment & Energy5
40% yea60% nay
Analysis updated: January 9, 2026
Campaign Finance
Follow the Money
Includes all authorized campaign committees (principal committee, joint fundraising, and other authorized committees). Outside spending by Super PACs and independent groups is shown separately below. Verify on FEC.gov →
Career: $10.4M
Fundraising Over Time
Raised per election cycleSpent
Contribution Sources
Individual$1.3M
44%
PAC / Committees$1.7M
54%
Party Committee$62K
2%
Individual Breakdown
Itemized (>$200)
$1.3M
Small Dollar (<$200)
$79K
Donation Sizes
Under $200
$133K · 7%
$200 – 499
$46K · 2%
$500 – 999
$129K · 6%
$1,000 – 1,999
$382K · 19%
$2,000+
$1.3M · 66%
Share of individual contribution dollars by donation size, current election cycle.
Where the Money Comes From
In-state (OK)$339K · 17%
Out-of-state$1.6M · 83%
Itemized individual contributions only (donations over $200 report the donor's state). Small-dollar donations are not included because the FEC does not itemize them.
TX
$494K
OK
$339K
AL
$214K
VA
$156K
FL
$138K
CA
$101K
NY
$91K
DC
$62K
Top Contributors
Top Contributing Industries
Top Donor Employers
RETIRED$287K
SELF EMPLOYED$133K
INFORMATION REQUESTED$123K
NULL$115K
HOMEMAKER$22K
SECOND FRONT SYSTEMS$15K
TNT FIREWORKS$13K
BLACKSTONE$12K
INTUITIVE$12K
CORNERSTONE GOVERNMENT AFFAIRS$11K
JANE STREET$11K
JIM WILSON & ASSOCIATES$11K
Employer as self-reported by itemized donors. “Not Employed” and “Self-Employed” typically rank highest for small-dollar campaigns and include retirees.
Where the Money Goes
Spending by Purpose
Refunds
$513K
Loan-repayments
$405K
Other / Uncategorized
$389K
Contributions
$359K
Fundraising
$165K
Administrative
$100K
Materials
$9K
Transfers
$3K
Purpose categories are self-reported on FEC filings; large “Other” totals are common.
Top Payees
1.$405K
MULLIN, MARKWAYNE MR.
2.$250K
GRAND VALLEY CONSULTING, LLC
3.$145K
BB&T/TRUIST CREDIT CARD
4.$57K
SOUTHERN PLAINS ADVOCACY
5.$38K
HUCKABY DAVIS LISKER
6.$28K
WICHITA FALLS ASAP LLC
7.$28K
CAMP POLITICAL LLC
8.$21K
LAUNCHPAD STRATEGIES LLC
Detailed Breakdown
Expenditures
Operating Costs
$1.6M
Operating Offsets
$67K
Net Operating
$1.5M
Transfers
Transfers Out
$3K
Refunds
Individual Refunds
$514K
Committee Refunds
$368K
Coverage: 1/1/2023 – 6/30/2026FEC: S2OK00186Updated: 8/12/2026Source: FEC.gov (all authorized committees)
Voting Record
Congressional Votes
112 votes across 11 categories