| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ORBIMED ADVISORS LLC | Withheld | 125.0M | ▲New +125.0M sh | Q1 2026 | |
| 2 | BlackRock, Inc. | $40.0M | 8.9M | ▼−42% Reduced · −6.4M sh | Q1 2026 | |
| 3 | MILLENNIUM MANAGEMENT LLC | $30.0M | 6.7M | ▼−0.5% Reduced · −31K sh | Q1 2026 | |
| 4 | D. E. Shaw & Co., Inc. | $20.2M | 4.5M | ▼−0.1% Reduced · −5K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $19.9M | 4.4M | ▼−26% Reduced · −1.5M sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $17.7M | 3.9M | ▲New +3.9M sh | Q1 2026 | |
| 7 | MORGAN STANLEY | $14.3M | 3.2M | ▼−12% Reduced · −439K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $11.6M | 2.6M | ▲New +2.6M sh | Q1 2026 | |
| 9 | GOLDMAN SACHS GROUP INC | $10.6M | 2.4M | ▲+9.5% Added · +206K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $10.4M | 2.3M | ▲+3.9% Added · +88K sh | Q1 2026 | |
| 11 | JACOBS LEVY EQUITY MANAGEMENT, INC | $9.4M | 2.1M | ▼−8.0% Reduced · −182K sh | Q1 2026 | |
| 12 | FEDERATED HERMES, INC. | $8.9M | 2.0M | ▲+51% Added · +666K sh | Q1 2026 | |
| 13 | AQR CAPITAL MANAGEMENT LLC | $8.6M | 1.9M | ▲+2.2% Added · +42K sh | Q1 2026 | |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $8.1M | 1.8M | ▲+2.7% Added · +48K sh | Q1 2026 | |
| 15 | Qube Research & Technologies Ltd | $7.6M | 1.7M | ▲+94% Added · +817K sh | Q1 2026 | |
| 16 | Vestal Point Capital, LP | $7.4M | 1.6M | ▲+35% Added · +425K sh | Q1 2026 | |
| 17 | Connor, Clark & Lunn Investment Management Ltd. | $5.9M | 1.3M | ▲+14% Added · +162K sh | Q1 2026 | |
| 18 | TWO SIGMA INVESTMENTS, LP | $5.8M | 1.3M | ▲+40% Added · +369K sh | Q1 2026 | |
| 19 | JANE STREET GROUP, LLC | $5.4M | 1.2M | ▲22× Added · +1.1M sh | Q1 2026 | |
| 20 | Fisher Asset Management, LLC | $5.4M | 1.2M | ▼−1.3% Reduced · −16K sh | Q1 2026 | |
| 21 | Aberdeen Group plc | $5.0M | 1.1M | ▲+25% Added · +225K sh | Q1 2026 | |
| 22 | MARSHALL WACE, LLP | $5.0M | 1.1M | ▲49× Added · +1.1M sh | Q1 2026 | |
| 23 | NORTHERN TRUST CORP | $4.5M | 991K | ▼−12% Reduced · −136K sh | Q1 2026 | |
| 24 | Point72 Asset Management, L.P. | $4.3M | 958K | ▼−22% Reduced · −275K sh | Q1 2026 | |
| 25 | Nuveen, LLC | $4.1M | 919K | ▼−23% Reduced · −272K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 66 funds | $33.7B |
| ELI LILLY & COLLY | 66 funds | $9.3B |
| MICRON TECHNOLOGY INCMU | 66 funds | $7.9B |
| BRISTOL-MYERS SQUIBB COBMY | 66 funds | $2.5B |
| BOSTON SCIENTIFIC CORPBSX | 66 funds | $2.4B |
| NVIDIA CORPNVDA | 65 funds | $52.2B |
| BROADCOM INCAVGO | 65 funds | $18.6B |
| META PLATFORMS INC-CLASS AMETA | 65 funds | $16.0B |
| LAM RESEARCH CORPLRCX | 65 funds | $4.3B |
| PALANTIR TECHNOLOGIES INC-APLTR | 65 funds | $4.0B |
| SCHWAB (CHARLES) CORPSCHW | 65 funds | $2.4B |
| CAPITAL ONE FINANCIAL CORPCOF | 65 funds | $2.2B |
Ranked by how many of MYGN's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 8, 2026 | Kumar Rashmi | Director | Sell (S) | 15K | $67K |
| May 14, 2026 | Bisaro Paul | Director | Buy (P) | 8K | $28K |
| Mar 9, 2026 | Raha Samraat S. | President and CEO, Director | Buy (P) | 40K | $200K |
| Feb 27, 2026 | Phanstiel S. Louise | Director | Buy (P) | 48K | $224K |
| Feb 26, 2026 | Phanstiel S. Louise | Director | Buy (P) | 50K | $242K |
| Feb 25, 2026 | Phanstiel S. Louise | Director | Buy (P) | 6K | $29K |
| Oct 11, 2024 | DIAZ PAUL J | President and CEO, Director | Sell (S) | 15K | $344K |
| Sep 11, 2024 | DIAZ PAUL J | President and CEO, Director | Sell (S) | 15K | $401K |
| Sep 11, 2024 | Muzzey Dale | Chief Scientific Officer | Sell (S) | 2K | $55K |
| Sep 9, 2024 | Dreismann Heinrich | Director | Sell (S) | 10K | $271K |
| Sep 3, 2024 | Reitan Colleen F | Director | Sell (S) | 46K | $1.3M |
| Aug 21, 2024 | Ancona Margaret | SVP, Chief of Staff | Sell (S) | 12K | $321K |
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/MYGN/capital-change-brief"
Use Arkolith's capital_change_brief for MYGN. 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 MYGN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.