Employers
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2025–2026 federal contribution records · FEC Schedule A
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Federal contribution records grouped across normalized variants of this reported employer. Contributions are made by individuals, not by the employer.
Latest matching employer records · memo entries excluded from net amount
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These immutable labels appeared in FEC filings and are grouped under MATHEMATICA POLICY RESEARCH.
These totals and connections use all matching indexed employer records, keeping the latest version within that employer group and excluding memo entries from net amounts. Amendments that change the reported employer may affect this grouping. No profile rebuild is required.
Top 10 contributors and top 10 recipients · independent of list pagination
Explore the reported connections for MATHEMATICA POLICY RESEARCH. Contributor and recipient lists are available below.
Data: GovMoneyGraph, based on FEC records. Groupings and recipient-party allocations are derived analysis, not FEC-verified identities or party registrations. Read our contribution and classification methodology.
Reported name and ZIP groups; not verified unique people or cross-address identity matches · 10 per page
Showing 1–10 of 13 · largest absolute amount first
Reported name + ZIP cluster; not a verified identity merge · SILVER SPRING · MD · 20910 · MATHEMATICA POLICY RESEARCH · PHYSICIAN
Other contributionsDerived from contributionsReported name + ZIP cluster; not a verified identity merge · HIGHLAND PARK · NJ · 08904 · MATHEMATICA POLICY RESEARCH · RESEARCHER
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · CHICAGO · IL · 60637 · MATHEMATICA POLICY RESEARCH · RESEARCHER
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · WASHINGTON · DC · 20005 · MATHEMATICA POLICY RESEARCH · MANAGING DIRECTOR
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · SEVERN · MD · 21144 · MATHEMATICA POLICY RESEARCH · ENGINEER
Party not classifiedUnclassifiedReported name + ZIP cluster; not a verified identity merge · ARLINGTON · VA · 22204 · MATHEMATICA POLICY RESEARCH · SYSTEMS ANALYST
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · FLEMINGTON · NJ · 08822 · MATHEMATICA POLICY RESEARCH · MEDICAID ANALYST
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · SILVER SPRING · MD · 20910 · MATHEMATICA POLICY RESEARCH · DATA DEVELOPER
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · CHICAGO · IL · 60637 · MATHEMATICA POLICY RESEARCH · RESEARCHER
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · ROSLINDALE · MA · 02131 · MATHEMATICA POLICY RESEARCH · RESEARCHER
DemocraticDerived from contributionsWhere the contributions went · 10 per page
Showing 1–10 of 12 · largest absolute amount first
Senate campaign committee · OMAHA · NE · OSBORN, DAN · U.S. Senate · NE · 00
Other contributionsDerived from contributionsHouse campaign committee · ITHACA · NY · RILEY, JOSH · U.S. House · NY · 19
DemocraticDerived from contributionsParty committee (qualified) · MADISON · WI
DemocraticDerived from contributionsSenate campaign committee · ATLANTA · GA · OSSOFF, T. JONATHAN · U.S. Senate · GA · 00
DemocraticDerived from contributionsPAC with non-contribution account · WASHINGTON · DC
DemocraticDerived from contributionsHouse campaign committee · HENRICO · VA · BHATTI, ATA-UL-SALAAM · U.S. House · VA · 01
DemocraticDerived from contributionsHouse campaign committee · SOMERVILLE · NJ · BENNETT, REBECCA · U.S. House · NJ · 07
DemocraticDerived from contributionsIndividual transactions · 10 per page
Dates below are the FEC-reported contribution dates, not filing or import dates. These are individual contributions grouped by the reported employer field, not contributions by a company.
Largest contribution amounts first. Select Date of contribution or Amount to reverse the order.
| Date of contribution ↕ | Amount ↓ | Reported contributor / location | Recipient / filing |
|---|---|---|---|
| 2026-02-17FEC filing ↗ | $2,000 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | ACTBLUEC00401224Primary (P)EARMARKED FOR JOSH RILEY FOR CONGRESS (C00793760)Filing 1955709 |
| 2026-02-17FEC filing ↗ | $2,000 | RICH, EUGENESILVER SPRINGMD20910PHYSICIANMATHEMATICA POLICY RESEARCH | JOSH RILEY FOR CONGRESSC00793760Primary 2026 (P2026)* EARMARKED CONTRIBUTION: SEE BELOWFiling 1966419 |
| 2026-01-20FEC filing ↗ | $1,500 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | OSBORN FOR SENATEC00901355Primary 2026 (P2026)* EARMARKED CONTRIBUTION: SEE BELOWFiling 1997103 · amended |
| 2026-01-20FEC filing ↗ | $1,500 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | ACTBLUEC00401224Primary (P)EARMARKED FOR OSBORN FOR SENATE EXPLORATORY COMMITTEE (C00901355)Filing 1949164 |
| 2026-04-22FEC filing ↗ | $1,000 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | OSBORN FOR SENATEC00901355Primary 2026 (P2026)* EARMARKED CONTRIBUTION: SEE BELOWFiling 1971946 |
| 2026-05-05FEC filing ↗ | $1,000 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | OSBORN FOR SENATEC00901355Primary 2026 (P2026)* EARMARKED CONTRIBUTION: SEE BELOWFiling 1997176 |
| 2026-04-22FEC filing ↗ | $1,000 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | ACTBLUEC00401224Primary (P)EARMARKED FOR OSBORN FOR SENATE EXPLORATORY COMMITTEE (C00901355)Filing 1977432 |
| 2026-07-02FEC filing ↗ | $1,000 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | ACTBLUEC00401224Primary (P)EARMARKED FOR OSBORN FOR SENATE EXPLORATORY COMMITTEE (C00901355)Filing 2009053 |
| 2026-05-05FEC filing ↗ | $1,000 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | ACTBLUEC00401224Primary (P)EARMARKED FOR OSBORN FOR SENATE EXPLORATORY COMMITTEE (C00901355)Filing 1986105 |
| 2026-06-03FEC filing ↗ | $500 | RICH, EUGENESILVER SPRINGMD20910PHYSICIAN RESEARCHERMATHEMATICA POLICY RESEARCH | ACTBLUEC00401224Primary (P)EARMARKED FOR OSBORN FOR SENATE EXPLORATORY COMMITTEE (C00901355)Filing 2000535 |
Refunds remain negative. Memo-only rows are marked and are not additional money. Latest versions are selected within matching employer records; amendments that change the employer may affect the grouping.
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