ARDELYX, INC. - Common Stock, par value $0.0001 per share (ARDX)
CUSIP: 039697107
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock, par value $0.0001 per share
- Shares outstanding
- 243,837,432
- Total 13F shares
- 166,740,299
- Share change
- -3,976,104
- Total reported value
- $972,175,026
- Put/Call ratio
- 160%
- Price per share
- $5.83
- Number of holders
- 227
- Value change
- -$19,214,806
- Number of buys
- 110
- Number of sells
- 109
Quarterly Holders Quick Answers
What is CUSIP 039697107?
CUSIP 039697107 identifies ARDX - ARDELYX, INC. - Common Stock, par value $0.0001 per share in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 039697107:
Top shareholders of ARDX - ARDELYX, INC. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
8.5%
|
20,823,580
|
$114,737,927 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
7.5%
|
18,369,321
|
$101,214,959 | — | 30 Sep 2025 | |
| JANUS HENDERSON GROUP PLC |
13D/G
13F
|
Company |
5.7%
|
13,824,093
|
$76,170,752 | -$6,798,497 | 30 Sep 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.31%
|
756,131
|
$70,857,076 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13D/G
13F
|
STATE STREET CORPORATION · Company |
4.9%
|
11,592,914
|
$63,181,381 | $0 | 31 Dec 2024 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
4.3%
|
10,455,588
|
$57,610,000 | — | 30 Sep 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
3.7%
|
8,943,042
|
$49,276,162 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
|
Company |
3.2%
|
7,671,987
|
$42,272,648 | -$24,398,060 | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
5,756,786
|
$31,724,251 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
2.1%
|
5,174,953
|
$28,513,991 | — | 30 Sep 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
1.4%
|
3,313,050
|
$18,254,906 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.2%
|
2,885,340
|
$15,898,224 | — | 30 Sep 2025 | |
| Forest Baskett |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
2,258,850
|
$14,998,764 | — | 09 Dec 2021 | |
| Scott D. Sandell |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
2,258,850
|
$14,998,764 | — | 09 Dec 2021 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.1%
|
2,654,197
|
$14,624,627 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.1%
|
2,584,877
|
$14,242,672 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1%
|
2,490,848
|
$13,724,572 | — | 30 Sep 2025 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.94%
|
2,286,273
|
$12,597,364 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.9%
|
2,194,754
|
$12,093,095 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.9%
|
2,193,725
|
$12,087,425 | — | 30 Sep 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.88%
|
2,144,124
|
$11,814,122 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.87%
|
2,117,992
|
$11,670,136 | — | 30 Sep 2025 | |
| JONES FINANCIAL COMPANIES LLLP |
13F
|
Company |
0.77%
|
1,873,903
|
$10,381,423 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.69%
|
1,690,093
|
$9,312,412 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.66%
|
1,614,600
|
$8,896,446 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.63%
|
1,528,532
|
$8,422,211 | — | 30 Sep 2025 | |
| ORACLE INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.62%
|
1,503,826
|
$8,286,081 | — | 30 Sep 2025 | |
| Eversept Partners, LP |
13F
|
Company |
0.59%
|
1,429,377
|
$7,875,867 | — | 30 Sep 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.5%
|
1,211,071
|
$6,673,001 | — | 30 Sep 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.41%
|
1,003,289
|
$5,528,122 | — | 30 Sep 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.37%
|
914,325
|
$5,038,000 | — | 30 Sep 2025 | |
| Aberdeen Group plc |
13F
|
Company |
0.35%
|
865,596
|
$4,769,434 | — | 30 Sep 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.35%
|
865,258
|
$4,767,572 | — | 30 Sep 2025 | |
| Hennion & Walsh Asset Management, Inc. |
13F
|
Company |
0.32%
|
780,348
|
$4,299,717 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.3%
|
739,388
|
$4,074,029 | — | 30 Sep 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.3%
|
728,642
|
$4,014,818 | — | 30 Sep 2025 | |
| Susan Rodriguez |
3/4/5
|
Chief Commercial Officer |
—
mixed-class rows
|
594,092
mixed-class rows
|
$3,844,258 | — | 21 May 2024 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.27%
|
667,082
|
$3,675,000 | — | 30 Sep 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.27%
|
659,687
|
$3,634,875 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.25%
|
620,005
|
$3,416,227 | — | 30 Sep 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.24%
|
579,023
|
$3,190,417 | — | 30 Sep 2025 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.23%
|
569,831
|
$3,139,766 | — | 30 Sep 2025 | |
| Justin A. Renz |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
614,071
mixed-class rows
|
$2,902,017 | -$71,201 | 21 Aug 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.21%
|
504,328
|
$2,778,847 | — | 30 Sep 2025 | |
| CAPITAL FUND MANAGEMENT S.A. |
13F
|
Company |
0.2%
|
495,353
|
$2,729,395 | — | 30 Sep 2025 | |
| Swiss National Bank |
13F
|
Company |
0.19%
|
463,900
|
$2,556,089 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.19%
|
461,320
|
$2,541,874 | — | 30 Sep 2025 | |
| David P. Rosenbaum |
3/4/5
|
Chief Development Officer |
—
class O/S missing
|
525,970
|
$2,521,763 | — | 20 Nov 2024 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.18%
|
449,215
|
$2,475,175 | — | 30 Sep 2025 | |
| Pekin Hardy Strauss, Inc. |
13F
|
Company |
0.16%
|
402,230
|
$2,216,287 | — | 30 Sep 2025 |
Institutional Holders of ARDELYX, INC. - Common Stock, par value $0.0001 per share (ARDX) as of Q4 2025
As of 31 Dec 2025,
ARDELYX, INC. - Common Stock, par value $0.0001 per share (ARDX) was held by
227 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
166,740,299 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD GROUP INC, JANUS HENDERSON GROUP PLC, STATE STREET CORP, MILLENNIUM MANAGEMENT LLC, NOMURA ASSET MANAGEMENT INTERNATIONAL INC., GEODE CAPITAL MANAGEMENT, LLC, MARSHALL WACE, LLP, Nuveen, LLC, and GOLDMAN SACHS GROUP INC.
This page lists
227
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
220
Q4 2025 holders
227
Holder diff
7
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.