Security key
039697107
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 166,742,867
- Total 13F value
- $972,189,997
- Share change
- -4,042,035
- Put/Call ratio
- 160%
- SEC-reported price per share
- $5.83
- Number of holders
- 228
- Value change
- -$19,578,141
- Number of buys
- 110
- Number of sells
- 111
- Shares outstanding
- 246,212,765
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
228
Top holders
10
ARDX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
ARDELYX, INC. SEC filings
ARDELYX, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 039697107
Recent filing periods:
Ownership snapshot
Top reported holders of ARDX - ARDELYX, INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
MILLENNIUM MANAGEMENT LLC
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G
13F
3/4/5
Lead comparable stake: 3.2%
13D/G row: MILLENNIUM MANAGEMENT LLC
Showing 1-6 of 15 holder rows.
Quick read
MILLENNIUM MANAGEMENT LLC leads the comparable SEC ownership view at 3.2%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens MILLENNIUM MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
MILLENNIUM MANAGEMENT LLC
3.2%
Edward R. Conner
0.12%
BlackRock, Inc.
8.5%
VANGUARD GROUP INC
7.5%
JANUS HENDERSON GROUP PLC
5.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
Company
|
3.2%
|
$42,272,648
7,671,987 shares
|
-$24,398,060 | 30 Sep 2025 |
| Edward R. Conner |
3/4/5
Chief Medical Officer
|
0.12%
|
$1,665,452
302,260 shares
|
— | 01 Aug 2025 |
| BlackRock, Inc. |
13F
Company
|
8.5%
|
$114,737,927
20,823,580 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
7.5%
|
$101,214,959
18,369,321 shares
|
— | 30 Sep 2025 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
5.6%
|
$76,136,786
13,824,093 shares
|
— | 30 Sep 2025 |
| MACQUARIE GROUP LTD |
13F
Company
|
4.2%
|
$57,610,000
10,455,588 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
228
Shares
166,742,867
Rows available
228
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
220
Q4 2025 holders
228
Holder diff
8
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend