ARDELYX INC (ARDX): Institutional Ownership
Hedge funds and institutional managers reporting a position in ARDX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
17
13F filers
Aggregate Value
$75.2M
Across holders
Last Price
$5.55
2026-06-26
Sector
Health Care
GICS
Holder activity7 new5 added5 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 4.27M | $25.6M | 34.0% | 0.0% | Added | +$8.4M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 2.75M | $16.5M | 21.9% | 0.0% | Added | +$15.1M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 2.44M | $14.6M | 19.4% | 0.0% | Added | +$8.0M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.27M | $7.6M | 10.1% | 0.0% | Reduced | $-3.1M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 1.21M | $5.9M | 7.9% | 0.0% | New | — | Q1 2025 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 221K | $1.3M | 1.7% | 0.0% | New | — | Q4 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 200K | $1.2M | 1.6% | 0.0% | Added | +$1.1M | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 101K | $607K | 0.8% | 0.0% | Reduced | $-132K | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 80K | $477K | 0.6% | 0.0% | Reduced | $-234K | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 74K | $444K | 0.6% | 0.0% | Added | +$28K | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 56K | $325K | 0.4% | 0.0% | New | — | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 39K | $235K | 0.3% | 0.0% | New | — | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 36K | $214K | 0.3% | 0.0% | Reduced | $-27.5M | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 30K | $118K | 0.2% | 0.0% | New | — | Q2 2025 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 13K | $81K | 0.1% | 0.0% | New | — | Q1 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 287 | $2K | 0.0% | 0.0% | New | — | Q1 2024 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 87 | $521 | 0.0% | 0.0% | Reduced | $-49K | Q1 2026 |
Added
Hedge Fund
$25.6M· 34.0% of total· 0.0% port· 4.27M sh· +$8.4M QoQ· Q1 2026
Added
Hedge Fund
$16.5M· 21.9% of total· 0.0% port· 2.75M sh· +$15.1M QoQ· Q1 2026
Added
Hedge Fund
$14.6M· 19.4% of total· 0.0% port· 2.44M sh· +$8.0M QoQ· Q1 2026
Reduced
Hedge Fund
$7.6M· 10.1% of total· 0.0% port· 1.27M sh· $-3.1M QoQ· Q1 2026
New
Hedge Fund
$5.9M· 7.9% of total· 0.0% port· 1.21M sh· — QoQ· Q1 2025
New
Hedge Fund
$1.3M· 1.7% of total· 0.0% port· 221K sh· — QoQ· Q4 2025
Added
Hedge Fund
$1.2M· 1.6% of total· 0.0% port· 200K sh· +$1.1M QoQ· Q1 2026
Reduced
Hedge Fund
$607K· 0.8% of total· 0.0% port· 101K sh· $-132K QoQ· Q1 2026
Reduced
Hedge Fund
$477K· 0.6% of total· 0.0% port· 80K sh· $-234K QoQ· Q1 2026
Added
Hedge Fund
$444K· 0.6% of total· 0.0% port· 74K sh· +$28K QoQ· Q1 2026
New
Hedge Fund
$325K· 0.4% of total· 0.0% port· 56K sh· — QoQ· Q4 2025
New
Hedge Fund
$235K· 0.3% of total· 0.0% port· 39K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$214K· 0.3% of total· 0.0% port· 36K sh· $-27.5M QoQ· Q1 2026
New
Hedge Fund
$118K· 0.2% of total· 0.0% port· 30K sh· — QoQ· Q2 2025
New
Hedge Fund
$81K· 0.1% of total· 0.0% port· 13K sh· — QoQ· Q1 2026
New
Hedge Fund
$2K· 0.0% of total· 0.0% port· 287 sh· — QoQ· Q1 2024
Reduced
Hedge Fund
$521· 0.0% of total· 0.0% port· 87 sh· $-49K QoQ· Q1 2026