Ardelyx (ARDX)Rubric Capital Management LP added to its stake +14.3M shares

16.2M

Shares reported · +14.3M vs prior quarter

0.76%

Disclosed portfolio weight

$82.6M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 14, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jun 16, 2026Company filing · Form 8-K · Executive change, Shareholder voteChanged a top executive or board member, and held a shareholder vote“On April 16, 2026, the Board of Directors (the “Board”) of Ardelyx, Inc. (the “Company”) approved the second amendment (the “Equity Plan Amendment”) to the Company’s Amended and Restated 2014 Equity Incentive Award Plan.”
2. Jun 26, 2026Federal contract · $12K obligatedDepartment of Veterans Affairs awarded ARDELYX, INC.: $12K obligated to date
3. Jun 26, 2026Federal contract · $2K obligatedDepartment of Veterans Affairs awarded ARDELYX, INC.: $2K obligated to date
4. Jun 29, 2026Company filing · Form 8-K · New debtTook on new debt or obligations
5. Aug 6, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Ardelyx

For Ardelyx, OQRO holds 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ARDX page.

How this filing works

• SEC Form 13F

Other disclosures at Ardelyx

• USAspending.gov award recordJun 29, 2026
• USAspending.gov award recordJun 29, 2026
• USAspending.gov award recordJun 12, 2026
• USAspending.gov award recordMay 28, 2026
• USAspending.gov award recordApr 10, 2026
• USAspending.gov award recordFeb 20, 2026

Everything OQRO holds on this company is on its ARDX page.