ARDX

Ardelyx Inc
Health CareUSCUSIP 039697107◍ Confluence graph
Tracked 13F Holders
221
-115 QoQ
13F Value (tracked)
$938.3M
Insider Net · 180d
-$2.7M
0↑ 8↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)35 adding · 11 trimming
Insider net (180d)-$2.7M

Who owns ARDX?

221 tracked 13F filers

221 tracked 13F filers disclose a position in ARDX as of the latest SEC 13F filings, a combined $938.3M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$126.8M
21.2M
+0.1%
Added · +25K sh
Q1 2026
2MILLENNIUM MANAGEMENT LLC
$106.9M
17.8M
+50%
Added · +5.9M sh
Q1 2026
3STATE STREET CORP
$68.1M
13.4M
−1.8%
Reduced · −248K sh
Q2 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$62.1M
10.4M
First observed position
No prior filed position
Q1 2026
5JANUS HENDERSON GROUP PLC
$50.1M
8.4M
−42%
Reduced · −6.1M sh
Q1 2026
6VANGUARD PORTFOLIO MANAGEMENT LLC
$39.9M
6.7M
First observed position
No prior filed position
Q1 2026
7GEODE CAPITAL MANAGEMENT, LLC
$32.7M
6.4M
+6.6%
Added · +394K sh
Q2 2026
8Nuveen, LLC
$31.4M
5.2M
+1.4%
Added · +70K sh
Q1 2026
9TWO SIGMA INVESTMENTS, LP
$25.6M
4.3M
+49%
Added · +1.4M sh
Q1 2026
10CITADEL ADVISORS LLC
$20.8M
3.5M
+161%
Added · +2.1M sh
Q1 2026
11GOLDMAN SACHS GROUP INC
$19.3M
3.2M
+4.9%
Added · +151K sh
Q1 2026
12AIGH Capital Management LLC
$16.3M
3.2M
Added
Added · +3.2M sh
Q2 2026
13J. Goldman & Co LP
$18.0M
3.0M
+85%
Added · +1.4M sh
Q1 2026
14Point72 Asset Management, L.P.
$17.9M
3.0M
+211%
Added · +2.0M sh
Q1 2026
15AQR CAPITAL MANAGEMENT LLC
$14.6M
2.4M
+20%
Added · +414K sh
Q1 2026
16Qube Research & Technologies Ltd
$14.6M
2.4M
+122%
Added · +1.3M sh
Q1 2026
17BANK OF AMERICA CORP /DE/
$14.0M
2.3M
+5.8%
Added · +128K sh
Q1 2026
18Rock Springs Capital Management LP
$11.4M
2.2M
−2.5%
Reduced · −58K sh
Q2 2026
19CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$12.7M
2.1M
−0.1%
Reduced · −3K sh
Q1 2026
20NORTHERN TRUST CORP
$12.4M
2.1M
+2.6%
Added · +52K sh
Q1 2026
21Freestone Grove Partners LP
$11.3M
1.9M
+169%
Added · +1.2M sh
Q1 2026
22Rubric Capital Management LP
$11.1M
1.9M
New
+1.9M sh
Q1 2026
23JONES FINANCIAL COMPANIES LLLP
$10.2M
1.9M
+0.2%
Added · +4K sh
Q1 2026
24MORGAN STANLEY
$10.2M
1.7M
−28%
Reduced · −650K sh
Q1 2026
25Eversept Partners, LP
$8.6M
1.7M
−25%
Reduced · −551K sh
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is ARDX being bought or sold by institutions?

Last quarter, 3 funds opened a new position in ARDX and 32 added to an existing one, while 11 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
3
funds
Added
32
funds
Reduced
11
funds
Exited
0
funds

Funds that own ARDX also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT111 funds$198.3B
AMAZON.COM INCAMZN111 funds$146.0B
NVIDIA CORPNVDA109 funds$293.6B
ELI LILLY & COLLY109 funds$59.7B
BROADCOM INCAVGO107 funds$119.2B
UNITEDHEALTH GROUP INCUNH107 funds$22.5B
APPLE INCAAPL106 funds$221.1B
META PLATFORMS INC-CLASS AMETA105 funds$85.2B
MICRON TECHNOLOGY INCMU105 funds$30.2B
CHEVRON CORPCVX105 funds$22.1B
INTUITIVE SURGICAL INCISRG105 funds$20.9B
ALPHABET INC-CL AGOOGL104 funds$115.9B

Ranked by how many of ARDX's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$2.7M
8 insiders
Net
-$2.7M
46 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Aug 21, 2026Kelliher MikeChief Business OfficerSell (S)2K$8K
Aug 21, 2026Kelliher MikeChief Business OfficerSell (S)3K$10K
Aug 21, 2026Kelliher MikeChief Business OfficerSell (S)3K$12K
Aug 21, 2026Foster Eric DuaneChief Commercial OfficerSell (S)3K$10K
Aug 21, 2026Foster Eric DuaneChief Commercial OfficerSell (S)3K$13K
Aug 21, 2026Foster Eric DuaneChief Commercial OfficerSell (S)3K$10K
Aug 21, 2026Brady James ParkerChief Human Resources OfficerSell (S)13K$51K
Aug 21, 2026Brady James ParkerChief Human Resources OfficerSell (S)2K$8K
Aug 21, 2026Bishop John ESee RemarksSell (S)2K$10K
Aug 21, 2026Bishop John ESee RemarksSell (S)17K$67K
Aug 21, 2026Reilly Joseph JamesSee RemarksSell (S)1K$4K
Aug 21, 2026Reilly Joseph JamesSee RemarksSell (S)3K$11K

Institutional ownership over time

93 funds-62 since Q3 2024
0104208Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $189.1M

Recent filings

15 shown

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Connected entities for ARDX

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Ask your agent what changed in ARDX

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/ARDX/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for ARDX.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ARDX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.