Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

Money / PACs

Ardelyx

Corporate PAC FEC C00868885

Influence at a glance · Jan 2025 – Sep 2026Jan 25 – Sep 26 How we count
PAC giving to candidates$61K
Company lobbying, all issues $4.0M

Giving: FEC filings, net of refunds. Lobbying: the company’s own LD-2 reports, all issues, rounded to the nearest $10,000 each quarter. Two different filers, same 21 months.Lobbying: all issues, rounded to the nearest $10,000. Two filers, same 21 months. This PAC gives money raised from the company’s employees; the company itself can’t give to campaigns from its treasury.

Lobbying spend by quarter since 2015Spend by quarter Pro

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What they lobby on

Method

Ardelyx reported federal lobbying in 8 of the last 8 quarters (Q4 2024 to Q3 2026), with its own in-house lobbyists and 11 outside firms. What follows is what the filings say it lobbied on, not which way.

Issue areas ranked by quarters filedQ4 24 → Q3 26

  • Health Issues8 of 88/8
  • Medicare/Medicaid8 of 88/8
  • Pharmacy5 of 85/8

From the filings

“Issues related to the 2025 End-Stage Renal Disease (ESRD) Prospective Payment System (PPS) Final Rule (CMS-105-F), specifically the inclusion of oral-only drugs in the ESRD PPS Bundled Payment. H.R.6214 - Kidney Care Access Protection Act Issues related to Most Favored Nation Drug Pricing Reform”
Q1 2026 filing · Medicare/Medicaid
“Issues related to the 2025 End-Stage Renal Disease (ESRD) Prospective Payment System (PPS) Final Rule (CMS-105-F), specifically the inclusion of oral-only drugs in the ESRD PPS Bundled Payment. Issues related to Most Favored Nation Drug Pricing Reform”
Q3 2026 filing · Medicare/Medicaid

Contacted as listed on the filings

  • U.S. House
  • U.S. Senate
  • Centers For Medicare and Medicaid ServicesCMS
  • Executive Office of the PresidentEOP
  • Health & Human ServicesHHS
  • Office of Management & BudgetOMB

The House and Senate appear in every quarter; agencies in 7 of 8.

Every filing since 2015, with the lobbyists named and the quarters each bill appearsEvery filing since 2015 Pro

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Source: Lobbying Disclosure Act filings (LD-2) by Ardelyx, Senate Office of Public Records. Filings are due 20 days after each quarter ends.

From FEC filings: direct gifts this PAC reported, net of refunds · How we count

Gave directly to 25 sitting members of Congress and 1 other candidate in 2025–26.

Everyone this PAC fundsPro

See every candidate and member Ardelyx gave to directly, how much, and how its money splits between the parties.

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