Who owns ARDELYX, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ARDX from SEC Form 13F filings across 250 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 250 institutions disclosed 177.4M shares of ARDELYX, INC. worth $906.4M — about 71.5% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
250
13F holders
$906.4M
value, 2026 filers
71.5%
of shares outstanding (177.4M sh)
49
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ARDX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 23.5M | $119.9M | 0.0% | 9.5% | +11.1% |
| 2 | Rubric Capital Management LP | 16.2M | $82.6M | 0.8% | 6.5% | +770.7% |
| 3 | MILLENNIUM MANAGEMENT LLC | 13.9M | $70.9M | 0.0% | 5.6% | -22.1% |
| 4 | STATE STREET CORP | 13.4M | $68.1M | 0.0% | 5.4% | -1.8% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 10.5M | $53.4M | 0.0% | 4.2% | +1.0% |
| 6 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 9.5M | $48.7M | 0.1% | 3.8% | +16.9% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.0M | $40.9M | 0.0% | 3.2% | +20.5% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 6.4M | $32.7M | 0.0% | 2.6% | +6.6% |
| 9 | Jupiter Topco LLCNEW | 5.3M | $27.0M | 0.0% | 2.1% | new |
| 10 | TWO SIGMA INVESTMENTS, LP | 5.2M | $26.6M | 0.0% | 2.1% | +21.9% |
| 11 | Nuveen, LLC | 4.0M | $20.4M | 0.0% | 1.6% | -23.6% |
| 12 | GOLDMAN SACHS GROUP INC | 3.7M | $18.8M | 0.0% | 1.5% | +14.6% |
| 13 | AIGH Capital Management LLCNEW | 3.2M | $16.3M | 1.0% | 1.3% | new |
| 14 | MORGAN STANLEY | 2.4M | $12.2M | 0.0% | 1% | +39.8% |
| 15 | AQR CAPITAL MANAGEMENT LLC | 2.3M | $11.8M | 0.0% | 0.9% | -5.1% |
| 16 | NORTHERN TRUST CORP | 2.3M | $11.6M | 0.0% | 0.9% | +10.1% |
| 17 | Rock Springs Capital Management LP | 2.2M | $11.4M | 0.6% | 0.9% | -2.5% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.2M | $11.3M | 0.0% | 0.9% | +4.6% |
| 19 | BANK OF AMERICA CORP /DE/ | 2.2M | $11.0M | 0.0% | 0.9% | -7.4% |
| 20 | Qube Research & Technologies Ltd | 2.1M | $10.7M | 0.0% | 0.8% | -14.2% |
| 21 | JONES FINANCIAL COMPANIES LLLP | 1.8M | $9.8M | 0.0% | 0.7% | -5.0% |
| 22 | VANGUARD FIDUCIARY TRUST CO | 1.8M | $8.9M | 0.0% | 0.7% | +4.6% |
| 23 | Eversept Partners, LP | 1.7M | $8.6M | 0.4% | 0.7% | -24.7% |
| 24 | J. Goldman & Co LP | 1.6M | $8.1M | 0.2% | 0.6% | -47.3% |
| 25 | Invesco Ltd. | 1.4M | $7.0M | 0.0% | 0.6% | +337.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.