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/VKTX/capital-change-brief"
Use Arkolith's capital_change_brief for VKTX. 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. | $223.9M | 6.9M | ▲+4.0% Added · +268K sh | Q1 2026 | |
| 2 | FMR LLC | $196.0M | 6.0M | ▼−8.1% Reduced · −533K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $163.1M | 5.0M | ▲New +5.0M sh | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $145.3M | 4.5M | ▲New +4.5M sh | Q1 2026 | |
| 5 | TWO SIGMA INVESTMENTS, LP | $144.2M | 4.4M | ▲+82% Added · +2.0M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $143.0M | 4.4M | ▼−1.1% Reduced · −50K sh | Q1 2026 | |
| 7 | MORGAN STANLEY | $98.1M | 3.0M | ▼−2.0% Reduced · −62K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $67.8M | 2.1M | ▲+4.4% Added · +88K sh | Q1 2026 | |
| 9 | AMERICAN CENTURY COMPANIES INC | $67.6M | 2.1M | ▲+581% Added · +1.8M sh | Q1 2026 | |
| 10 | RAYMOND JAMES FINANCIAL INC | $113.5M | 2.1M | ▲+125% Added · +1.2M sh | Q1 2026 | |
| 11 | AMERIPRISE FINANCIAL INC | $54.6M | 1.7M | ▲+25% Added · +340K sh | Q1 2026 | |
| 12 | D. E. Shaw & Co., Inc. | $54.6M | 1.7M | ▼−2.4% Reduced · −42K sh | Q1 2026 | |
| 13 | UBS Group AG | $43.8M | 1.3M | ▲+44% Added · +413K sh | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $41.1M | 1.3M | ▼−27% Reduced · −470K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $31.3M | 961K | ▲+15% Added · +128K sh | Q1 2026 | |
| 16 | Vestal Point Capital, LP | $29.7M | 914K | ▲New +914K sh | Q1 2026 | |
| 17 | JANE STREET GROUP, LLC | $24.4M | 749K | ▼−50% Reduced · −752K sh | Q1 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $24.0M | 736K | ▲+5.2% Added · +36K sh | Q1 2026 | |
| 19 | VANGUARD FIDUCIARY TRUST CO | $23.1M | 710K | ▲New +710K sh | Q1 2026 | |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $23.0M | 706K | ▼−50% Reduced · −718K sh | Q1 2026 | |
| 21 | Pictet Asset Management Holding SA | $22.7M | 696K | ▼−7.5% Reduced · −56K sh | Q1 2026 | |
| 22 | BlackBarn Capital Partners LP | $20.2M | 621K | ▲+13% Added · +71K sh | Q1 2026 | |
| 23 | NORTHERN TRUST CORP | $18.7M | 573K | ▲+6.0% Added · +32K sh | Q1 2026 | |
| 24 | DIMENSIONAL FUND ADVISORS LP | $17.7M | 543K | ▲+18% Added · +83K sh | Q1 2026 | |
| 25 | BNP PARIBAS FINANCIAL MARKETS | $17.6M | 540K | ▼−46% Reduced · −452K 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 |
|---|---|---|---|---|---|
| Jun 1, 2026 | Chen Hubert C | Chief Medical Officer | Grant (A) | 190K | $0 |
| Mar 10, 2026 | Aubuchon Neil William | Chief Commercial Officer | Buy (P) | 4K | $150K |
| Jan 12, 2026 | Aubuchon Neil William | Chief Commercial Officer | Grant (A) | 180K | $0 |
| Jan 5, 2026 | Lian Brian | President & CEO, Director | Sell (S) | 6K | $224K |
| Jan 5, 2026 | Lian Brian | President & CEO, Director | Sell (S) | 53K | $1.8M |
| Jan 5, 2026 | Lian Brian | President & CEO, Director | Sell (S) | 41K | $1.4M |
| Jan 5, 2026 | Lian Brian | President & CEO, Director | Sell (S) | 132K | $4.3M |
| Jan 5, 2026 | Mancini Marianna | Chief Operating Officer | Sell (S) | 32K | $1.0M |
| Jan 5, 2026 | Mancini Marianna | Chief Operating Officer | Sell (S) | 14K | $454K |
| Jan 5, 2026 | Mancini Marianna | Chief Operating Officer | Sell (S) | 11K | $359K |
| Jan 5, 2026 | Mancini Marianna | Chief Operating Officer | Sell (S) | 2K | $56K |
| Jan 5, 2026 | ZANTE GREG | Chief Financial Officer | Sell (S) | 32K | $1.0M |
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 142 funds | $14.7B |
| UNITEDHEALTH GROUP INCUNH | 141 funds | $5.1B |
| MICROSOFT CORPMSFT | 139 funds | $53.4B |
| AMAZON.COM INCAMZN | 139 funds | $40.9B |
| NVIDIA CORPNVDA | 137 funds | $72.8B |
| APPLE INCAAPL | 137 funds | $63.5B |
| ALPHABET INC-CL AGOOGL | 137 funds | $36.2B |
| META PLATFORMS INC-CLASS AMETA | 137 funds | $22.6B |
| MICRON TECHNOLOGY INCMU | 137 funds | $9.8B |
| MASTERCARD INC - AMA | 137 funds | $9.7B |
| ABBOTT LABORATORIESABT | 137 funds | $3.8B |
| SERVICENOW INCNOW | 137 funds | $3.3B |
Ranked by how many of VKTX'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 VKTX. 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.