Security record · archived quarter
ARDX
Ardelyx, Inc. · Healthcare · Biotechnology
100Tracked holders
+3Δ holders
138.17MShares held
$826.25MReported value
+6New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth +3.1% ·
share flow -0.2% ·
net new positions +3.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 97 | 0 | 123.14M | $629.29M | +7 | −7 |
| Q1 2026 | 100 | +3 | 138.17M | $826.25M | +6 | −3 |
| Q4 2025 | 95 | +1 | 146.57M | $854.46M | +1 | — |
| Q3 2025 | 18 | +1 | 90.83M | $500.46M | +1 | — |
| Q2 2025 | 14 | -2 | 85.87M | $336.62M | — | −2 |
| Q1 2025 | 13 | +1 | 41.26M | $202.59M | +2 | −1 |
| Q4 2024 | 12 | +2 | 28.08M | $142.38M | +3 | −1 |
| Q3 2024 | 9 | 0 | 14.54M | $100.22M | — | — |
| Q2 2024 | 9 | — | 13.39M | $99.20M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 21.16M | +0.1% | $126.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | Millennium Management ✦ | 17.84M | +49.8% | $106.88M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 16 | State Street Global Advisors ✦ (passive) | 13.60M | +14.2% | $81.49M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 17 | Vanguard Capital Management Llc | 10.37M | — | $62.09M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Janus Henderson Group Plc | 8.37M | -42.3% | $50.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | Janus Henderson Group Plc | 8.37M | -42.3% | $50.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | Nomura Asset Management… | 8.17M | -12.4% | $48.94M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 6.01M | +3.1% | $35.99M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 6.01M | +3.1% | $35.99M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 23 | Nuveen, LLC | 5.23M | +1.4% | $31.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Nuveen, LLC | 5.23M | +1.4% | $31.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Nuveen, LLC | 5.23M | +1.4% | $31.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Two Sigma Investments ✦ | 4.27M | +48.7% | $25.60M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 27 | Citadel Advisors ✦ | 3.46M | +161.0% | $20.75M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 28 | Citadel Advisors ✦ | 3.46M | +161.0% | $20.75M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 29 | Goldman Sachs Group ✦ | 3.22M | +4.9% | $19.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 3.22M | +4.9% | $19.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Point72 Asset Management ✦ | 2.98M | +211.3% | $17.88M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 2.44M | +20.5% | $14.61M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 41 | Qube Research & Technologies Ltd | 2.44M | +122.2% | $14.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Bank Of America Corp /De/ | 2.34M | +5.8% | $14.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Bank Of America Corp /De/ | 2.34M | +5.8% | $14.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Bank Of America Corp /De/ | 2.34M | +5.8% | $14.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Bank Of America Corp /De/ | 2.34M | +5.8% | $14.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Charles Schwab Investment… | 2.11M | -0.1% | $12.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | Northern Trust Corp | 2.07M | +2.6% | $12.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Northern Trust Corp | 2.07M | +2.6% | $12.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Northern Trust Corp | 2.07M | +2.6% | $12.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Northern Trust Corp | 2.07M | +2.6% | $12.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Northern Trust Corp | 2.07M | +2.6% | $12.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 1.71M | -27.6% | $10.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 1.71M | -27.6% | $10.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 1.71M | -27.6% | $10.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 1.71M | -27.6% | $10.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 1.71M | -27.6% | $10.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 1.71M | -27.6% | $10.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 1.71M | -27.6% | $10.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Jones Financial Companies Lllp | 1.86M | +0.2% | $10.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Marshall Wace ✦ | 1.60M | -69.2% | $9.59M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 61 | Marshall Wace ✦ | 1.60M | -69.2% | $9.59M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 62 | First Trust Advisors Lp | 1.50M | +44.6% | $8.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Renaissance Technologies ✦ | 1.27M | -29.1% | $7.62M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 64 | Jane Street Group, Llc | 1.18M | -42.8% | $7.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Jane Street Group, Llc | 1.18M | -42.8% | $7.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Jane Street Group, Llc | 1.18M | -42.8% | $7.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Deutsche Bank Ag\ | 708.59K | +41.7% | $4.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Deutsche Bank Ag\ | 708.59K | +41.7% | $4.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Deutsche Bank Ag\ | 708.59K | +41.7% | $4.24M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Susquehanna International Group, Llp | 701.97K | -9.6% | $4.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Bank of New York Mellon Corp | 700.78K | -3.1% | $4.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Bank of New York Mellon Corp | 700.78K | -3.1% | $4.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Bank of New York Mellon Corp | 700.78K | -3.1% | $4.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Bank of New York Mellon Corp | 700.78K | -3.1% | $4.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Bnp Paribas Financial Markets | 698.74K | -30.2% | $4.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Squarepoint Ops LLC | 697.28K | +101.4% | $4.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | UBS Group AG | 688.65K | +19.1% | $4.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | UBS Group AG | 688.65K | +19.1% | $4.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | UBS Group AG | 688.65K | +19.1% | $4.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Raymond James Financial Inc | 486.71K | +151.2% | $2.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Raymond James Financial Inc | 486.71K | +151.2% | $2.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Swiss National Bank | 480.80K | +1.2% | $2.88M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | UBS AM, a distinct business unit of… | 440.67K | +2.2% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | UBS AM, a distinct business unit of… | 440.67K | +2.2% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | UBS AM, a distinct business unit of… | 440.67K | +2.2% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | UBS AM, a distinct business unit of… | 440.67K | +2.2% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | UBS AM, a distinct business unit of… | 440.67K | +2.2% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | UBS AM, a distinct business unit of… | 440.67K | +2.2% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | UBS AM, a distinct business unit of… | 440.67K | +2.2% | $2.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | JPMorgan Chase ✦ | 430.14K | -41.6% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | JPMorgan Chase ✦ | 430.14K | -41.6% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | JPMorgan Chase ✦ | 430.14K | -41.6% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | JPMorgan Chase ✦ | 430.14K | -41.6% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | JPMorgan Chase ✦ | 430.14K | -41.6% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | JPMorgan Chase ✦ | 430.14K | -41.6% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | JPMorgan Chase ✦ | 430.14K | -41.6% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Schroder Investment Management Group | 419.77K | — | $2.33M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Schroder Investment Management Group | 419.77K | — | $2.33M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Universal- Beteiligungs- und… | 357.18K | +2.8% | $2.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Hrt Financial Lp | 325.12K | New | $1.95M | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Hrt Financial Lp | $1.95M | 0.0% |
Exited
| Arrowstreet Capital | $8.31M | was 0.0% |
| Mackenzie Financial Corp | $1.16M | was 0.0% |
| Daiwa Securities Group Inc. | $4,000 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 235 holders, 168.96M shares, $997.54M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 21
RAAB MICHAEL
Officer, Director · 15.01K sh · $57,888
Aug 21
RAAB MICHAEL
Officer, Director · 15.98K sh · $61,618
Aug 21
RAAB MICHAEL
Officer, Director · 8.41K sh · $32,440
Aug 21
RAAB MICHAEL
Officer, Director · 19.18K sh · $73,968
Aug 21
Hohenleitner Susan
Officer · 1.56K sh · $6,009
Aug 21
Williams Laura A
Officer · 3.49K sh · $13,445
Aug 21
Williams Laura A
Officer · 3.09K sh · $11,914
Aug 21
Williams Laura A
Officer · 2.43K sh · $9,372
Aug 21
Williams Laura A
Officer · 1.73K sh · $6,688
Aug 21
Kelliher Mike
Officer · 3.10K sh · $11,972
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G — Rubric Capital Management LP
Aug 11
SC 13G/A — INTEGRATED CORE STRATEGIES (US) LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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