Ardelyx, Inc. 13F holders
251 funds reported a position in Ardelyx, Inc. in their 13F for the quarter ended 30 June 2026, together 177.5 million shares worth $906.4 million. Against the quarter before, 38 opened a position, 87 added, 87 trimmed and 34 sold out; together they bought a net 10.9 million shares. The largest holders: BlackRock, Inc., Rubric Capital Management LP and Millennium Management LLC.
Funds holding251+9 on Q1 2026
Shares they held177.5Mworth $906.4 million
Net bought on the quarter10.9M sharesabout $55.6 million at the funds' values
Funds buying to selling125 to 121opened or added, to cut or sold
Opened 38Added 87Held 35Trimmed 87Sold out 34
What each fund did in ARDX against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in ARDX in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 40 reported a position in Ardelyx, Inc.: 5 opened one, 12 added, 14 trimmed and 9 sold out, a net 95,352 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in Ardelyx, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Millennium Management, 13.9 million shares worth $70.9 million, 0.0% of its reported book. Sold out: Point72 Asset Management. In the quarter, 2 funds added or opened a position and 5 trimmed or sold out; together they sold a net 8.5 million shares, about $43.2 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Millennium Management | 13,900,773 | $70.9 million | 0.0% | -3,941,597 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 6,401,736 | $32.7 million | 0.0% | +394,281 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 5,209,823 | $26.6 million | 0.0% | +935,780 | added | 30 June 2026 | 13F |
| Citadel Advisors | 1,030,174 | $5.3 million | 0.0% | -2,434,600 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 892,593 | $4.6 million | 0.0% | -379,848 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 69,429 | $354,088 | 0.0% | -56,877 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -2,984,261 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
Read more
Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 23,504,630 | 13.25% | $119.9 million | 0.00% | +2,340,498 | 13F |
| Rubric Capital Management LP | 16,202,700 | 9.13% | $82.6 million | 0.76% | +14,341,804 | 13F |
| Millennium Management LLC | 13,900,773 | 7.83% | $70.9 million | 0.05% | -3,941,597 | 13F |
| State Street Corp. | 13,356,128 | 7.53% | $68.1 million | 0.00% | -248,179 | 13F |
| Vanguard Capital Management LLC | 10,471,494 | 5.90% | $53.4 million | 0.00% | +105,982 | 13F |
| Nomura Asset Management International Inc. | 9,546,732 | 5.38% | $48.7 million | 0.07% | +1,377,363 | 13F |
| Vanguard Portfolio Management LLC | 8,026,774 | 4.52% | $40.9 million | 0.00% | +1,365,081 | 13F |
| Geode Capital Management, LLC | 6,401,736 | 3.61% | $32.7 million | 0.00% | +394,281 | 13F |
| Jupiter Topco LLC | 5,302,311 | 2.99% | $27.0 million | 0.01% | first 13F | 13F |
| Two Sigma Investments, LP | 5,209,823 | 2.94% | $26.6 million | 0.02% | +935,780 | 13F |
| Nuveen, LLC | 3,997,099 | 2.25% | $20.4 million | 0.01% | -1,237,584 | 13F |
| Goldman Sachs Group Inc. | 3,685,034 | 2.08% | $18.8 million | 0.00% | +468,824 | 13F |
| AIGH Capital Management LLC | 3,200,000 | 1.80% | $16.3 million | 1.48% | new | 13F |
| Morgan Stanley | 2,389,546 | 1.35% | $12.2 million | 0.00% | +680,573 | 13F |
| AQR Capital Management LLC | 2,316,220 | 1.31% | $11.8 million | 0.00% | -123,230 | 13F |
| Northern Trust Corp. | 2,280,143 | 1.28% | $11.6 million | 0.00% | +209,096 | 13F |
| Rock Springs Capital Management LP | 2,241,769 | 1.26% | $11.4 million | 0.56% | -57,704 | 13F |
| Charles Schwab Investment Management Inc. | 2,211,760 | 1.25% | $11.3 million | 0.00% | +97,662 | 13F |
| Bank of America Corp. | 2,163,500 | 1.22% | $11.0 million | 0.00% | -173,494 | 13F |
| Qube Research & Technologies Ltd | 2,090,675 | 1.18% | $10.7 million | 0.01% | -344,873 | 13F |
| Jones Financial Companies Lllp | 1,765,932 | 1.00% | $9.8 million | 0.00% | -92,959 | 13F |
| Vanguard Fiduciary Trust Co. | 1,754,819 | 0.99% | $8.9 million | 0.00% | +76,708 | 13F |
| Eversept Partners, LP | 1,678,345 | 0.95% | $8.6 million | 0.47% | -551,101 | 13F |
| J. Goldman & Co LP | 1,579,828 | 0.89% | $8.1 million | 0.28% | -1,420,685 | 13F |
| Invesco Ltd. | 1,368,868 | 0.77% | $7.0 million | 0.00% | +1,056,156 | 13F |
| First Trust Advisors LP | 1,301,624 | 0.73% | $6.6 million | 0.00% | -197,174 | 13F |
| Hennion & Walsh Asset Management, Inc. | 1,211,690 | 0.68% | $6.2 million | 0.18% | +210,209 | 13F |
| Schroder Investment Management Group | 1,161,238 | 0.65% | $6.1 million | 0.00% | +741,470 | 13F |
| Citadel Advisors LLC | 1,030,174 | 0.58% | $5.3 million | 0.00% | -2,434,600 | 13F |
| Susquehanna International Group, LLP | 916,037 | 0.52% | $4.7 million | 0.00% | +214,069 | 13F |
| Renaissance Technologies LLC | 892,593 | 0.50% | $4.6 million | 0.01% | -379,848 | 13F |
| Panagora Asset Management Inc. | 890,944 | 0.50% | $4.5 million | 0.01% | new | 13F |
| BNP Paribas Financial Markets | 810,322 | 0.46% | $4.1 million | 0.00% | +111,578 | 13F |
| Deutsche Bank AG | 770,910 | 0.43% | $3.9 million | 0.00% | +62,321 | 13F |
| ExodusPoint Capital Management, LP | 752,923 | 0.42% | $3.8 million | 0.04% | new | 13F |
| Bank of New York Mellon Corp | 749,676 | 0.42% | $3.8 million | 0.00% | +48,893 | 13F |
| Squarepoint Ops LLC | 715,262 | 0.40% | $3.6 million | 0.01% | +17,978 | 13F |
| Sector Gamma As | 686,844 | 0.39% | $3.5 million | 0.76% | +170,713 | 13F |
| Trexquant Investment LP | 660,586 | 0.37% | $3.4 million | 0.02% | -144,148 | 13F |
| Redmile Group, LLC | 641,750 | 0.36% | $3.3 million | 0.22% | -91,600 | 13F |
| Raymond James Financial Inc. | 562,672 | 0.32% | $2.9 million | 0.00% | +75,960 | 13F |
| UBS Group AG | 551,721 | 0.31% | $2.8 million | 0.00% | -136,928 | 13F |
| Jump Financial, LLC | 536,981 | 0.30% | $2.7 million | 0.03% | new | 13F |
| Krensavage Asset Management, LLC | 534,523 | 0.30% | $2.7 million | 1.04% | +34,523 | 13F |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 486,412 | 0.27% | $2.5 million | 0.00% | +45,738 | 13F |
| Mackenzie Financial Corp. | 474,094 | 0.27% | $2.4 million | 0.00% | new | 13F |
| Swiss National Bank | 467,600 | 0.26% | $2.4 million | 0.00% | -13,200 | 13F |
| Hussman Strategic Advisors, Inc. | 420,000 | 0.24% | $2.1 million | 0.49% | new | 13F |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 411,386 | 0.23% | $2.1 million | 0.00% | +54,206 | 13F |
| Price T Rowe Associates Inc. | 359,635 | 0.20% | $1.8 million | 0.00% | +65,928 | 13F |
The 50 largest of the 251 funds that reported a position in ARDX in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read more
Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on ARDX
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 303,000 | $1.5 million | 30 June 2026 | 13F |
| Millennium Management | Calls | 300,000 | $1.5 million | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 86,800 | $442,680 | 30 June 2026 | 13F |
| Millennium Management | Puts | 71,700 | $365,670 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read more
They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G | Rubric Capital Management LP and 3 others | 16.2 million | 6.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 11 August 2026 | 13G/A | Integrated Core Strategies (US) LLC and 7 others | 14.2 million | 5.7% | 30 June 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 15 May 2026 | 13G/A | Janus Henderson Group PLC and 1 other | 8.4 million | 3.4% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 12 May 2026 | 13G | State Street Corporation and 1 other | 13.6 million | 5.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 April 2026 | 13G/A | Integrated Core Strategies (US) LLC and 7 others | 18.0 million | 7.4% | 31 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 January 2026 | 13G/A | The Vanguard Group and 1 other | 19.0 million | 7.8% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 12 January 2026 | 13G | Integrated Core Strategies (US) LLC and 7 others | 13.1 million | 5.4% | 5 January 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 14 November 2025 | 13G/A | Janus Henderson Group PLC and 1 other | 13.8 million | 5.7% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read more
Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 25 September 2026 | 73 | $3.45 | SEC |
| 10 September 2026 | 1,778 | $3.80 | SEC |
| 8 September 2026 | 54 | $3.78 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.