What does CUSIP 039697107 represent in this 13F holders report?

CUSIP 039697107 is the security identifier for ARDX - ARDELYX, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held ARDX - ARDELYX, INC. - Common Stock in Q1 2020?

97 institutional investors reported ARDX - ARDELYX, INC. - Common Stock for Q1 2020. Use the holders table for investor-level position and value details.

ARDELYX, INC. - Common Stock (ARDX)

CUSIP: 039697107

Q1 2020 13F Holders as of 31 Mar 2020

Type / Class: Equity / Common Stock
Shares outstanding: 243,015,147
Total 13F shares: 76,585,606
Share change: +1,486,309
Total reported value: $435,405,838
Put/Call ratio: 588%
Price per share: $5.68
Number of holders: 97
Value change: +$6,098,633
Number of buys: 53
Number of sells: 40

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.

Newer quarter: Q2 2020
Previous quarter: Q4 2019

Recent filing periods for CUSIP 039697107:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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
NEA Management Company, LLC	13F	Company	6.6%	16,135,047	$121,013,000	—	31 Dec 2019	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	2.9%	7,004,253	$52,567,000	—	31 Dec 2019	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	2.3%	5,698,342	$42,766,000	—	31 Dec 2019	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	2.2%	5,358,863	$40,218,000	—	31 Dec 2019	13F
Rock Springs Capital Management LP	13F	Company	2%	4,850,000	$36,399,000	—	31 Dec 2019	13F
BlackRock Finance, Inc.	13F	Company	1.7%	4,242,362	$31,838,000	—	31 Dec 2019	13F
Redmile Group, LLC	13F	Company	1.6%	4,000,000	$30,020,000	—	31 Dec 2019	13F
VANGUARD GROUP INC	13F	Company	1.2%	3,007,971	$22,575,000	—	31 Dec 2019	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.1%	2,684,723	$20,149,000	—	31 Dec 2019	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1%	2,463,234	$18,487,000	—	31 Dec 2019	13F
Pekin Hardy Strauss, Inc.	13F	Company	0.87%	2,122,592	$15,930,000	—	31 Dec 2019	13F
683 Capital Management, LLC	13F	Company	0.82%	2,000,000	$15,010,000	—	31 Dec 2019	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.78%	1,899,248	$14,254,000	—	31 Dec 2019	13F
MARSHALL WACE, LLP	13F	Company	0.47%	1,147,408	$8,606,000	—	31 Dec 2019	13F
D. E. Shaw & Co., Inc.	13F	Company	0.39%	941,549	$7,066,000	—	31 Dec 2019	13F
STATE STREET CORP	13F	Company	0.36%	886,408	$6,652,000	—	31 Dec 2019	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.34%	827,218	$6,208,000	—	31 Dec 2019	13F
Ikarian Capital, LLC	13F	Company	0.27%	645,436	$4,844,000	—	31 Dec 2019	13F
Sio Capital Management, LLC	13F	Company	0.26%	621,534	$4,665,000	—	31 Dec 2019	13F
Tekla Capital Management LLC	13F	Company	0.25%	607,698	$4,561,000	—	31 Dec 2019	13F
NORTHERN TRUST CORP	13F	Company	0.25%	604,160	$4,533,000	—	31 Dec 2019	13F
FMR LLC	13F	Company	0.23%	563,494	$4,229,000	—	31 Dec 2019	13F
J. Goldman & Co LP	13F	Company	0.16%	389,825	$2,926,000	—	31 Dec 2019	13F
Informed Momentum Co LLC	13F	Company	0.15%	372,173	$2,793,000	—	31 Dec 2019	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.13%	325,816	$2,445,000	—	31 Dec 2019	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.12%	299,625	$2,248,000	—	31 Dec 2019	13F
BAILARD, INC.	13F	Company	0.12%	290,141	$2,178,000	—	31 Dec 2019	13F
Global IMC LLC	13F	Company	0.11%	274,679	$2,061,000	—	31 Dec 2019	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.11%	272,605	$2,046,000	—	31 Dec 2019	13F
Squarepoint Ops LLC	13F	Company	0.11%	260,151	$1,952,000	—	31 Dec 2019	13F
Logos Global Management LP	13F	Company	0.09%	212,449	$1,594,000	—	31 Dec 2019	13F
Pinz Capital Management, LP	13F	Company	0.08%	203,500	$1,527,000	—	31 Dec 2019	13F
DAFNA Capital Management LLC	13F	Company	0.08%	199,850	$1,500,000	—	31 Dec 2019	13F
Invesco Ltd.	13F	Company	0.08%	187,265	$1,405,000	—	31 Dec 2019	13F
Bank of New York Mellon Corp	13F	Company	0.08%	184,956	$1,388,000	—	31 Dec 2019	13F
Nuveen Asset Management, LLC	13F	Company	0.07%	174,395	$1,309,000	—	31 Dec 2019	13F
WISCONSIN CAPITAL MANAGEMENT LLC	13F	Company	0.07%	161,000	$1,208,000	—	31 Dec 2019	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.06%	145,800	$1,094,000	—	31 Dec 2019	13F
CITADEL ADVISORS LLC	13F	Company	0.06%	137,057	$1,028,000	—	31 Dec 2019	13F
Monashee Investment Management LLC	13F	Company	0.06%	134,500	$1,010,000	—	31 Dec 2019	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.05%	129,700	$973,000	—	31 Dec 2019	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.05%	123,486	$927,000	—	31 Dec 2019	13F
MORGAN STANLEY	13F	Company	0.05%	121,482	$912,000	—	31 Dec 2019	13F
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.04%	107,075	$804,000	—	31 Dec 2019	13F
ALGERT GLOBAL LLC	13F	Company	0.04%	100,996	$758,000	—	31 Dec 2019	13F
Maven Securities LTD	13F	Company	0.04%	100,000	$750,000	—	31 Dec 2019	13F
WEXFORD CAPITAL LP	13F	Company	0.04%	97,500	$732,000	—	31 Dec 2019	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.04%	85,089	$639,000	—	31 Dec 2019	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.03%	79,470	$596,000	—	31 Dec 2019	13F
RHUMBLINE ADVISERS	13F	Company	0.03%	74,222	$557,000	—	31 Dec 2019	13F

Institutional Holders of ARDELYX, INC. - Common Stock (ARDX) as of Q1 2020

As of 31 Mar 2020, ARDELYX, INC. - Common Stock (ARDX) was held by 97 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 76,585,606 shares. The largest 10 holders included NEA Management Company, LLC, RA CAPITAL MANAGEMENT, L.P., ADAGE CAPITAL PARTNERS GP, L.L.C., BlackRock Inc., Rock Springs Capital Management LP, Redmile Group, LLC, MARSHALL WACE, LLP, VANGUARD GROUP INC, DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 97 institutional shareholders reporting positions in this security for the Q1 2020 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2020 vs Q4 2019 Across Filers

Q4 2019 holders

Q1 2020 holders

Holder diff

-2

Investor	Q4 2019 Shares	Q1 2020 Shares	Share Diff	Share Chg %	Q4 2019 Value $	Q1 2020 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.