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/TNGX/capital-change-brief"
Use Arkolith's capital_change_brief for TNGX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | RTW INVESTMENTS, LP | $278.2M | 13.3M | ▲+792% Added · +11.8M sh | Q1 2026 | |
| 2 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $268.0M | 12.8M | ▲+21% Added · +2.2M sh | Q1 2026 | |
| 3 | Boxer Capital Management, LLC | $227.5M | 10.9M | —Held | Q1 2026 | |
| 4 | TCG Crossover Management, LLC | $220.3M | 10.5M | ▼−17% Reduced · −2.2M sh | Q1 2026 | |
| 5 | FMR LLC | $207.2M | 9.9M | ▲+245% Added · +7.0M sh | Q1 2026 | |
| 6 | FARALLON CAPITAL MANAGEMENT LLC | $190.3M | 9.1M | ▼−30% Reduced · −4.0M sh | Q1 2026 | |
| 7 | BlackRock, Inc. | $183.0M | 8.7M | ▲+2.4% Added · +207K sh | Q1 2026 | |
| 8 | Woodline Partners LP | $167.4M | 8.0M | ▼−21% Reduced · −2.1M sh | Q1 2026 | |
| 9 | Nextech Invest, Ltd. | $152.0M | 7.3M | —Held | Q1 2026 | |
| 10 | Siren, L.L.C. | $118.3M | 5.7M | ▼−31% Reduced · −2.5M sh | Q1 2026 | |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | $108.0M | 5.2M | ▲New +5.2M sh | Q1 2026 | |
| 12 | GOLDMAN SACHS GROUP INC | $106.2M | 5.1M | ▲+2.7% Added · +134K sh | Q1 2026 | |
| 13 | STATE STREET CORP | $97.3M | 4.7M | ▼−25% Reduced · −1.6M sh | Q1 2026 | |
| 14 | DEERFIELD MANAGEMENT COMPANY, L.P. | $86.8M | 4.1M | ▲+43% Added · +1.2M sh | Q1 2026 | |
| 15 | Paradigm Biocapital Advisors LP | $83.9M | 4.0M | ▲New +4.0M sh | Q1 2026 | |
| 16 | Holocene Advisors, LP | $82.3M | 3.9M | ▲New +3.9M sh | Q1 2026 | |
| 17 | BALYASNY ASSET MANAGEMENT L.P. | $80.1M | 3.8M | ▼−28% Reduced · −1.5M sh | Q1 2026 | |
| 18 | Logos Global Management LP | $62.8M | 3.0M | ▼−29% Reduced · −1.2M sh | Q1 2026 | |
| 19 | Deep Track Capital, LP | $57.5M | 2.8M | ▲+12% Added · +295K sh | Q1 2026 | |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | $56.0M | 2.7M | ▲+4.8% Added · +122K sh | Q1 2026 | |
| 21 | Caligan Partners LP | $50.4M | 2.4M | ▼−35% Reduced · −1.3M sh | Q1 2026 | |
| 22 | Bellevue Group AG | $50.2M | 2.4M | ▼−39% Reduced · −1.5M sh | Q1 2026 | |
| 23 | JANUS HENDERSON GROUP PLC | $50.1M | 2.4M | ▼−9.4% Reduced · −249K sh | Q1 2026 | |
| 24 | Vivo Capital, LLC | $45.1M | 2.2M | —Held | Q1 2026 | |
| 25 | MORGAN STANLEY | $30.9M | 1.5M | ▲+3.9% Added · +56K 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 1, 2026 | Crystal Adam | President, R&D | Option exercise (M) | 27K | $0 |
| Jul 1, 2026 | Crystal Adam | President, R&D | Sell (S) | 7K | $223K |
| Jul 1, 2026 | Crystal Adam | President, R&D | Sell (S) | 20K | $576K |
| Jul 1, 2026 | Crystal Adam | President, R&D | Option exercise (M) | 27K | $140K |
| Jun 19, 2026 | Azelby Robert | Director | Grant (A) | 36K | $0 |
| Jun 19, 2026 | Azelby Robert | Director | Grant (A) | 6K | $0 |
| Jun 5, 2026 | Lee Sung | Director | Grant (A) | 570 | $0 |
| Jun 5, 2026 | Lee Sung | Director | Grant (A) | 4K | $0 |
| Jun 5, 2026 | Rothenberg Mace | Director | Grant (A) | 4K | $0 |
| Jun 5, 2026 | Rothenberg Mace | Director | Grant (A) | 25K | $0 |
| Jun 5, 2026 | Ketchum John B | Director | Grant (A) | 4K | $0 |
| Jun 5, 2026 | Ketchum John B | Director | Grant (A) | 25K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| BOSTON SCIENTIFIC CORPBSX | 58 funds | $2.0B |
| NVIDIA CORPNVDA | 57 funds | $37.6B |
| MICROSOFT CORPMSFT | 57 funds | $23.3B |
| AMAZON.COM INCAMZN | 56 funds | $21.3B |
| ELI LILLY & COLLY | 56 funds | $6.1B |
| INTUITIVE SURGICAL INCISRG | 56 funds | $3.2B |
| STRYKER CORPSYK | 56 funds | $904.2M |
| META PLATFORMS INC-CLASS AMETA | 55 funds | $10.8B |
| UNITEDHEALTH GROUP INCUNH | 55 funds | $2.7B |
| DANAHER CORPDHR | 55 funds | $2.1B |
| SERVICENOW INCNOW | 54 funds | $1.7B |
| COGENT BIOSCIENCES INCCOGT | 54 funds | $1.3B |
Ranked by how many of TNGX'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 TNGX. 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.