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

CUSIP 039697107 is the security identifier for ARDX - ARDELYX, INC. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

How many institutions held ARDX - ARDELYX, INC. - Common Stock, par value $0.0001 per share in Q4 2019?

99 institutional investors reported ARDX - ARDELYX, INC. - Common Stock, par value $0.0001 per share for Q4 2019. Use the holders table for investor-level position and value details.

ARDELYX, INC. - Common Stock, par value $0.0001 per share (ARDX)

CUSIP: 039697107

Q4 2019 13F Holders as of 31 Dec 2019

Type / Class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 243,837,432
Total 13F shares: 74,902,472
Share change: +25,304,429
Total reported value: $562,054,462
Put/Call ratio: 104%
Price per share: $7.50
Number of holders: 99
Value change: +$190,640,786
Number of buys: 69
Number of sells: 24

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.

Newer quarter: Q1 2020
Previous quarter: Q3 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, 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
NEA Management Company, LLC	13F	Company	6.3%	15,335,047	$72,075,000	—	30 Sep 2019	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	1.6%	4,000,000	$18,800,000	—	30 Sep 2019	13F
BlackRock Finance, Inc.	13F	Company	1.5%	3,704,851	$17,412,000	—	30 Sep 2019	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	1.4%	3,400,410	$15,982,000	—	30 Sep 2019	13F
Rock Springs Capital Management LP	13F	Company	1.3%	3,055,261	$14,360,000	—	30 Sep 2019	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1%	2,432,134	$11,431,000	—	30 Sep 2019	13F
683 Capital Management, LLC	13F	Company	0.84%	2,050,010	$9,635,000	—	30 Sep 2019	13F
Pekin Hardy Strauss, Inc.	13F	Company	0.84%	2,040,762	$9,592,000	—	30 Sep 2019	13F
VANGUARD GROUP INC	13F	Company	0.79%	1,936,777	$9,103,000	—	30 Sep 2019	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.78%	1,895,016	$8,907,000	—	30 Sep 2019	13F
D. E. Shaw & Co., Inc.	13F	Company	0.51%	1,242,218	$5,839,000	—	30 Sep 2019	13F
STATE STREET CORP	13F	Company	0.38%	920,901	$4,328,000	—	30 Sep 2019	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.28%	687,010	$3,228,000	—	30 Sep 2019	13F
Tekla Capital Management LLC	13F	Company	0.24%	582,698	$2,739,000	—	30 Sep 2019	13F
DAFNA Capital Management LLC	13F	Company	0.24%	580,524	$2,728,000	—	30 Sep 2019	13F
NORTHERN TRUST CORP	13F	Company	0.23%	552,905	$2,599,000	—	30 Sep 2019	13F
Nuveen Asset Management, LLC	13F	Company	0.21%	510,757	$2,400,000	—	30 Sep 2019	13F
Informed Momentum Co LLC	13F	Company	0.15%	357,082	$1,678,000	—	30 Sep 2019	13F
FMR LLC	13F	Company	0.14%	352,894	$1,659,000	—	30 Sep 2019	13F
Global IMC LLC	13F	Company	0.11%	274,679	$1,291,000	—	30 Sep 2019	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.11%	264,700	$1,244,000	—	30 Sep 2019	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.1%	246,370	$1,158,000	—	30 Sep 2019	13F
Bank of New York Mellon Corp	13F	Company	0.07%	175,736	$826,000	—	30 Sep 2019	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.06%	142,000	$667,000	—	30 Sep 2019	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.06%	140,085	$658,000	—	30 Sep 2019	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.05%	112,790	$531,000	—	30 Sep 2019	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.04%	92,199	$433,000	—	30 Sep 2019	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.04%	87,454	$411,000	—	30 Sep 2019	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.03%	82,260	$387,000	—	30 Sep 2019	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.03%	79,470	$374,000	—	30 Sep 2019	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.03%	73,491	$345,000	—	30 Sep 2019	13F
RHUMBLINE ADVISERS	13F	Company	0.03%	73,239	$344,000	—	30 Sep 2019	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.03%	71,500	$336,000	—	30 Sep 2019	13F
WISCONSIN CAPITAL MANAGEMENT LLC	13F	Company	0.03%	70,000	$329,000	—	30 Sep 2019	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.02%	52,570	$247,000	—	30 Sep 2019	13F
BANK OF MONTREAL /CAN/	13F	Company	0.02%	46,696	$219,000	—	30 Sep 2019	13F
Jefferies Group LLC	13F	Company	0.02%	40,000	$188,000	—	30 Sep 2019	13F
CITIGROUP INC	13F	Company	0.02%	39,456	$185,000	—	30 Sep 2019	13F
UBS Group AG	13F	Company	0.02%	36,866	$173,000	—	30 Sep 2019	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.01%	35,300	$166,000	—	30 Sep 2019	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.01%	34,813	$164,000	—	30 Sep 2019	13F
Virtu Financial LLC	13F	Company	0.01%	34,743	$163,000	—	30 Sep 2019	13F
GROUP ONE TRADING LLC	13F	Company	0.01%	32,987	$155,000	—	30 Sep 2019	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.01%	32,800	$154,000	—	30 Sep 2019	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.01%	30,360	$147,000	—	30 Sep 2019	13F
WEDBUSH SECURITIES INC	13F	Company	0.01%	29,840	$140,000	—	30 Sep 2019	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.01%	29,781	$140,000	—	30 Sep 2019	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.01%	28,822	$136,000	—	30 Sep 2019	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.01%	28,000	$132,000	—	30 Sep 2019	13F
MetLife Investment Management, LLC	13F	Company	0.01%	25,332	$119,060	—	30 Sep 2019	13F

Institutional Holders of ARDELYX, INC. - Common Stock, par value $0.0001 per share (ARDX) as of Q4 2019

As of 31 Dec 2019, ARDELYX, INC. - Common Stock, par value $0.0001 per share (ARDX) was held by 99 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 74,902,472 shares. The largest 10 holders included NEA Management Company, LLC, DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), ADAGE CAPITAL PARTNERS GP, L.L.C., RA CAPITAL MANAGEMENT, L.P., Rock Springs Capital Management LP, BlackRock Inc., Redmile Group, LLC, VANGUARD GROUP INC, PRICE T ROWE ASSOCIATES INC /MD/, and RENAISSANCE TECHNOLOGIES LLC. This page lists 99 institutional shareholders reporting positions in this security for the Q4 2019 filing period.

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

Compare Q4 2019 vs Q3 2019 Across Filers

Q3 2019 holders

Q4 2019 holders

Holder diff

Investor	Q3 2019 Shares	Q4 2019 Shares	Share Diff	Share Chg %	Q3 2019 Value $	Q4 2019 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.