- Type / Class
- Equity / COMMON STOCK
- Shares outstanding
- 247,351,036
- Total 13F shares
- 164,576,582
- Share change
- +12,323,673
- Total reported value
- $808,416,494
- Put/Call ratio
- 481%
- Price per share
- $4.91
- Number of holders
- 220
- Value change
- +$58,328,254
- Number of buys
- 128
- Number of sells
- 87
Quarterly Holders Quick Answers
What is CUSIP 039697107?
CUSIP 039697107 identifies ARDX - ARDELYX INC - COMMON STOCK 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 (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 |
|---|---|---|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
9.9%
|
24,387,941
|
$123,587,313 | — | 31 Dec 2024 | |
| BlackRock, Inc. |
13F
|
Company |
7.5%
|
18,521,477
|
$93,903,888 | — | 31 Dec 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.8%
|
14,362,659
|
$72,818,682 | — | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
4.7%
|
11,592,914
|
$58,776,074 | — | 31 Dec 2024 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
4.2%
|
10,346,592
|
$52,457,000 | — | 31 Dec 2024 | |
| EVENTIDE ASSET MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
5,600,764
|
$28,398,802 | — | 31 Dec 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.2%
|
5,509,730
|
$27,940,979 | — | 31 Dec 2024 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.2%
|
2,963,480
|
$15,024,844 | — | 31 Dec 2024 | |
| 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 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1%
|
2,490,618
|
$12,627,433 | — | 31 Dec 2024 | |
| MORGAN STANLEY |
13F
|
Company |
0.98%
|
2,421,698
|
$12,278,012 | — | 31 Dec 2024 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.88%
|
2,170,999
|
$11,006,965 | — | 31 Dec 2024 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.87%
|
2,157,252
|
$10,937,268 | — | 31 Dec 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.87%
|
2,150,974
|
$10,905,439 | — | 31 Dec 2024 | |
| ORACLE INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.84%
|
2,089,431
|
$10,593,415 | — | 31 Dec 2024 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.82%
|
2,035,135
|
$10,318,134 | — | 31 Dec 2024 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.78%
|
1,923,656
|
$9,752,935 | — | 31 Dec 2024 | |
| Two Seas Capital LP |
13F
|
Company |
0.75%
|
1,855,337
|
$9,406,559 | — | 31 Dec 2024 | |
| Rubric Capital Management LP |
13F
|
Company |
0.69%
|
1,706,485
|
$8,651,879 | — | 31 Dec 2024 | |
| Redmile Group, LLC |
13F
|
Company |
0.64%
|
1,576,259
|
$7,991,633 | — | 31 Dec 2024 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.59%
|
1,468,668
|
$7,446,147 | — | 31 Dec 2024 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.59%
|
1,463,629
|
$7,420,599 | — | 31 Dec 2024 | |
| JONES FINANCIAL COMPANIES LLLP |
13F
|
Company |
0.59%
|
1,452,176
|
$7,362,532 | — | 31 Dec 2024 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.54%
|
1,333,810
|
$6,762,416 | — | 31 Dec 2024 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.5%
|
1,227,760
|
$6,224,743 | — | 31 Dec 2024 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.46%
|
1,141,777
|
$5,788,809 | — | 31 Dec 2024 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.4%
|
986,443
|
$5,001,266 | — | 31 Dec 2024 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.4%
|
983,084
|
$4,984,000 | — | 31 Dec 2024 | |
| Propel Bio Management, LLC |
13F
|
Company |
0.38%
|
950,947
|
$4,821,301 | — | 31 Dec 2024 | |
| Trexquant Investment LP |
13F
|
Company |
0.37%
|
906,311
|
$4,594,997 | — | 31 Dec 2024 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.36%
|
895,748
|
$4,541,442 | — | 31 Dec 2024 | |
| Aberdeen Group plc |
13F
|
Company |
0.34%
|
851,719
|
$4,318,215 | — | 31 Dec 2024 | |
| Hennion & Walsh Asset Management, Inc. |
13F
|
Company |
0.33%
|
808,392
|
$4,098,547 | — | 31 Dec 2024 | |
| Susan Rodriguez |
3/4/5
|
Chief Commercial Officer |
—
mixed-class rows
|
594,092
mixed-class rows
|
$3,844,258 | — | 21 May 2024 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.29%
|
714,978
|
$3,624,937 | — | 31 Dec 2024 | |
| UBS Group AG |
13F
|
Company |
0.29%
|
714,764
|
$3,623,854 | — | 31 Dec 2024 | |
| Simplify Asset Management Inc. |
13F
|
Company |
0.28%
|
689,364
|
$3,495,075 | — | 31 Dec 2024 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.26%
|
650,000
|
$3,295,500 | — | 31 Dec 2024 | |
| David M. Knott Jr. |
13F
|
Individual |
0.25%
|
612,270
|
$3,104,209 | — | 31 Dec 2024 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.24%
|
593,700
|
$3,010,059 | — | 31 Dec 2024 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.23%
|
579,300
|
$2,937,051 | — | 31 Dec 2024 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.23%
|
578,256
|
$2,931,759 | — | 31 Dec 2024 | |
| Pekin Hardy Strauss, Inc. |
13F
|
Company |
0.22%
|
547,960
|
$2,778,157 | — | 31 Dec 2024 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.22%
|
545,249
|
$2,764,413 | — | 31 Dec 2024 | |
| Rafferty Asset Management, LLC |
13F
|
Company |
0.22%
|
534,743
|
$2,711,147 | — | 31 Dec 2024 | |
| BARCLAYS PLC |
13F
|
Company |
0.22%
|
532,654
|
$2,700,556 | — | 31 Dec 2024 | |
| Palisades Investment Partners, LLC |
13F
|
Company |
0.21%
|
517,781
|
$2,625,150 | — | 31 Dec 2024 | |
| David P. Rosenbaum |
3/4/5
|
Chief Development Officer |
—
class O/S missing
|
525,970
|
$2,521,763 | — | 20 Nov 2024 | |
| LOS ANGELES CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.19%
|
469,819
|
$2,381,982 | — | 31 Dec 2024 |
Institutional Holders of ARDELYX INC - COMMON STOCK (ARDX) as of Q1 2025
As of 31 Mar 2025,
ARDELYX INC - COMMON STOCK (ARDX) was held by
220 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
164,576,582 shares.
The largest 10 holders included
JANUS HENDERSON GROUP PLC, BlackRock, Inc., VANGUARD GROUP INC, MACQUARIE GROUP LTD, STATE STREET CORP, MARSHALL WACE, LLP, MILLENNIUM MANAGEMENT LLC, GEODE CAPITAL MANAGEMENT, LLC, Nuveen, LLC, and MORGAN STANLEY.
This page lists
220
institutional shareholders reporting positions in this security
for the Q1 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
211
Q1 2025 holders
220
Holder diff
9
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 Value $ | Q1 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.