Lobbying client
MATHEMATICA, INC
employee-owned company that helps organizations use data to improve policy
The register keeps a separate record of this client for every firm that files for it and every spelling of its name. All 2 of its records are shown together here.
Filings
11
Filed by
2
Reported in-house
—
Reported by firms
$540,000
Reported lobbying by year
The larger of in-house and firm-reported each year, $ thousands
2025 to 2026
Filings
11 filings, newest first.
| Filing | Filed by | Amount |
|---|---|---|
|
3rd Quarter - Termination 3rd Quarter 2026
|
TARPLIN, DOWNS & YOUNG, LLC | $60,000 reported |
|
3rd Quarter - Report 3rd Quarter 2026
|
THE RUSSELL GROUP, INC. | $50,000 reported |
|
2nd Quarter - Amendment 2nd Quarter 2026
|
TARPLIN, DOWNS & YOUNG, LLC | $60,000 reported |
|
2nd Quarter - Reportreplaced 2nd Quarter 2026
|
TARPLIN, DOWNS & YOUNG, LLC | $50,000 reported |
|
2nd Quarter - Report 2nd Quarter 2026
|
THE RUSSELL GROUP, INC. | $50,000 reported |
|
Registration 2nd Quarter 2026
|
THE RUSSELL GROUP, INC. | — reported |
|
1st Quarter - Report 1st Quarter 2026
|
TARPLIN, DOWNS & YOUNG, LLC | $80,000 reported |
|
4th Quarter - Report 4th Quarter 2025
|
TARPLIN, DOWNS & YOUNG, LLC | $80,000 reported |
|
3rd Quarter - Report 3rd Quarter 2025
|
TARPLIN, DOWNS & YOUNG, LLC | $80,000 reported |
|
2nd Quarter - Report 2nd Quarter 2025
|
TARPLIN, DOWNS & YOUNG, LLC | $80,000 reported |
Filed by
Each firm that has reported for this client, and the client itself where it lobbies in-house, with the reports filed and the amounts they disclose.
| Firm | Reports | Amount |
|---|---|---|
| TARPLIN, DOWNS & YOUNG, LLC | 6 | $440,000 |
| THE RUSSELL GROUP, INC. | 2 | $100,000 |
Issues lobbied
How many report sections named each issue, counting the current version of each report.
| Issue | Code | Mentions |
|---|---|---|
| Medicare/Medicaid | MMM | 7 |
| Agriculture | AGR | 3 |
From reports filed under the Lobbying Disclosure Act. Firms report what each client paid them; an organisation lobbying for itself reports its own expenses. Amounts count the current version of each report once.