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.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ARDX/capital-change-brief"
Use Arkolith's capital_change_brief for ARDX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $126.8M | 21.2M | ▲+0.1% Added · +25K sh | Q1 2026 | |
| 2 | MILLENNIUM MANAGEMENT LLC | $106.9M | 17.8M | ▲+50% Added · +5.9M sh | Q1 2026 | |
| 3 | STATE STREET CORP | $81.5M | 13.6M | ▲+14% Added · +1.7M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $62.1M | 10.4M | ▲New +10.4M sh | Q1 2026 | |
| 5 | JANUS HENDERSON GROUP PLC | $50.1M | 8.4M | ▼−42% Reduced · −6.1M sh | Q1 2026 | |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | $39.9M | 6.7M | ▲New +6.7M sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $36.0M | 6.0M | ▲+3.1% Added · +180K sh | Q1 2026 | |
| 8 | Nuveen, LLC | $31.4M | 5.2M | ▲+1.4% Added · +70K sh | Q1 2026 | |
| 9 | TWO SIGMA INVESTMENTS, LP | $25.6M | 4.3M | ▲+49% Added · +1.4M sh | Q1 2026 | |
| 10 | CITADEL ADVISORS LLC | $20.8M | 3.5M | ▲+161% Added · +2.1M sh | Q1 2026 | |
| 11 | GOLDMAN SACHS GROUP INC | $19.3M | 3.2M | ▲+4.9% Added · +151K sh | Q1 2026 | |
| 12 | J. Goldman & Co LP | $18.0M | 3.0M | ▲+85% Added · +1.4M sh | Q1 2026 | |
| 13 | Point72 Asset Management, L.P. | $17.9M | 3.0M | ▲+211% Added · +2.0M sh | Q1 2026 | |
| 14 | AQR CAPITAL MANAGEMENT LLC | $14.6M | 2.4M | ▲+20% Added · +414K sh | Q1 2026 | |
| 15 | Qube Research & Technologies Ltd | $14.6M | 2.4M | ▲+122% Added · +1.3M sh | Q1 2026 | |
| 16 | BANK OF AMERICA CORP /DE/ | $14.0M | 2.3M | ▲+5.8% Added · +128K sh | Q1 2026 | |
| 17 | Rock Springs Capital Management LP | $13.8M | 2.3M | —Held | Q1 2026 | |
| 18 | Eversept Partners, LP | $13.4M | 2.2M | ▲+30% Added · +514K sh | Q1 2026 | |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $12.7M | 2.1M | ▼−0.1% Reduced · −3K sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $12.4M | 2.1M | ▲+2.6% Added · +52K sh | Q1 2026 | |
| 21 | Freestone Grove Partners LP | $11.3M | 1.9M | ▲+169% Added · +1.2M sh | Q1 2026 | |
| 22 | Rubric Capital Management LP | $11.1M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 23 | JONES FINANCIAL COMPANIES LLLP | $10.2M | 1.9M | ▲+0.2% Added · +4K sh | Q1 2026 | |
| 24 | MORGAN STANLEY | $10.2M | 1.7M | ▼−28% Reduced · −650K sh | Q1 2026 | |
| 25 | VANGUARD FIDUCIARY TRUST CO | $10.1M | 1.7M | ▲New +1.7M sh | Q1 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 15, 2026 | RAAB MICHAEL | President & CEO, Director | Option exercise (M) | 21K | $0 |
| Jul 15, 2026 | RAAB MICHAEL | President & CEO, Director | Sell (S) | 42K | $211K |
| Jul 15, 2026 | RAAB MICHAEL | President & CEO, Director | Option exercise (M) | 21K | $21K |
| Jun 18, 2026 | Williams Laura A | Chief Patient Officer | Option exercise (M) | 31K | $31K |
| Jun 18, 2026 | Williams Laura A | Chief Patient Officer | Sell (S) | 82K | $490K |
| Jun 18, 2026 | Williams Laura A | Chief Patient Officer | Option exercise (M) | 31K | $0 |
| Jun 16, 2026 | Rodgers Richard J | Director | Grant (A) | 26K | $0 |
| Jun 16, 2026 | Rodgers Richard J | Director | Grant (A) | 40K | $0 |
| Jun 16, 2026 | MOTT DAVID M | Director | Grant (A) | 20K | $0 |
| Jun 16, 2026 | MOTT DAVID M | Director | Grant (A) | 26K | $0 |
| Jun 16, 2026 | MOTT DAVID M | Director | Grant (A) | 40K | $0 |
| Jun 16, 2026 | Cadoret-Manier Onaiza | Director | Grant (A) | 26K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 76 funds | $9.1B |
| BOSTON SCIENTIFIC CORPBSX | 75 funds | $2.7B |
| MICROSOFT CORPMSFT | 74 funds | $35.0B |
| COSTCO WHOLESALE CORPCOST | 74 funds | $6.1B |
| DANAHER CORPDHR | 74 funds | $1.9B |
| AMAZON.COM INCAMZN | 73 funds | $26.4B |
| BROADCOM INCAVGO | 73 funds | $19.0B |
| META PLATFORMS INC-CLASS AMETA | 73 funds | $16.3B |
| MICRON TECHNOLOGY INCMU | 73 funds | $7.9B |
| UNITEDHEALTH GROUP INCUNH | 73 funds | $3.4B |
| INTUITIVE SURGICAL INCISRG | 73 funds | $3.0B |
| CVS HEALTH CORPCVS | 73 funds | $1.4B |
Ranked by how many of ARDX's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
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. Every panel above is one call to the Arkolith API & MCP server.