The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query TGEN owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/TGEN"
Use Arkolith to show who owns TGEN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $4.3M | 872K | ▲+0.2% Added · +1K sh | Q4 2025 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $2.0M | 770K | ▲New +770K sh | Q1 2026 | |
| 3 | Portolan Capital Management, LLC | $1.1M | 444K | ▼−0.5% Reduced · −2K sh | Q1 2026 | |
| 4 | Arosa Capital Management LP | $896K | 350K | —Held | Q1 2026 | |
| 5 | UBS Group AG | $819K | 320K | ▲+205% Added · +215K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $697K | 272K | ▲+401% Added · +218K sh | Q1 2026 | |
| 7 | GENDELL JEFFREY L | $629K | 246K | ▼−17% Reduced · −50K sh | Q1 2026 | |
| 8 | Integrated Wealth Concepts LLC | $559K | 218K | ▲New +218K sh | Q1 2026 | |
| 9 | MARSHALL WACE, LLP | $531K | 207K | ▼−28% Reduced · −79K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $492K | 192K | ▲+7.9% Added · +14K sh | Q1 2026 | |
| 11 | RAYMOND JAMES FINANCIAL INC | $476K | 186K | ▲+86% Added · +86K sh | Q1 2026 | |
| 12 | BlackRock, Inc. | $473K | 185K | ▼−3.4% Reduced · −7K sh | Q1 2026 | |
| 13 | CITADEL ADVISORS LLC | $378K | 147K | ▲+201% Added · +99K sh | Q1 2026 | |
| 14 | NEW YORK STATE COMMON RETIREMENT FUND | $351K | 137K | —Held | Q1 2026 | |
| 15 | HighTower Advisors, LLC | $340K | 133K | —Held | Q1 2026 | |
| 16 | JANE STREET GROUP, LLC | $300K | 117K | ▼−43% Reduced · −90K sh | Q1 2026 | |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $280K | 109K | ▼−64% Reduced · −193K sh | Q1 2026 | |
| 18 | VANGUARD FIDUCIARY TRUST CO | $247K | 96K | ▲New +96K sh | Q1 2026 | |
| 19 | Granahan Investment Management, LLC | $227K | 88K | ▼−50% Reduced · −89K sh | Q1 2026 | |
| 20 | GROUP ONE TRADING LLC | $215K | 84K | ▲+48% Added · +27K sh | Q1 2026 | |
| 21 | APIS CAPITAL ADVISORS, LLC | $197K | 77K | ▲New +77K sh | Q1 2026 | |
| 22 | MORGAN STANLEY | $196K | 77K | ▲+9.7% Added · +7K sh | Q1 2026 | |
| 23 | STATE STREET CORP | $177K | 69K | —Held | Q1 2026 | |
| 24 | TWO SIGMA INVESTMENTS, LP | $173K | 67K | ▼−69% Reduced · −151K sh | Q1 2026 | |
| 25 | PFG Investments, LLC | $160K | 63K | —Held | 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 |
|---|---|---|---|---|---|
| Mar 27, 2026 | Lewis Earl | Director | Buy (P) | 5K | $13K |
| Mar 27, 2026 | Hirsch Susan B | Director | Buy (P) | 10K | $25K |
| Mar 26, 2026 | Lewis Earl | Director | Buy (P) | 5K | $14K |
| Mar 23, 2026 | Whiting John Kimball IV | General Counsel & Secretary | Buy (P) | 10K | $24K |
| Mar 20, 2026 | Hatsopoulos John | Director | Option exercise (M) | 50K | $44K |
| Mar 20, 2026 | Rangesh Abinand | Chief Executive Officer, Director | Buy (P) | 3K | $7K |
| Mar 20, 2026 | Deschenes Roger P. | CAO | Buy (P) | 10K | $22K |
| Mar 20, 2026 | Hatsopoulos John | Director | Option exercise (M) | 50K | $44K |
| Jul 24, 2025 | ALBERTINE JOHN M | Director | Grant (A) | 25K | $209K |
| Jul 24, 2025 | LEWIS EARL R | Director | Grant (A) | 25K | $209K |
| Jul 24, 2025 | GHONIEM AHMED | Director | Grant (A) | 25K | $209K |
| Jul 24, 2025 | Hirsch Susan B | Director | Grant (A) | 25K | $209K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 14 funds | $3.9B |
| META PLATFORMS INC-CLASS AMETA | 14 funds | $2.5B |
| HOME DEPOT INCHD | 14 funds | $1.3B |
| VISA INC-CLASS A SHARESV | 14 funds | $1.2B |
| ORACLE CORPORCL | 14 funds | $766.5M |
| COHERENT CORPCOHR | 14 funds | $447.7M |
| LUMENTUM HOLDINGS INCLITE | 14 funds | $231.4M |
| AMAZON.COM INCAMZN | 13 funds | $4.7B |
| BROADCOM INCAVGO | 13 funds | $2.8B |
| ALPHABET INC-CL AGOOGL | 13 funds | $2.7B |
| MICRON TECHNOLOGY INCMU | 13 funds | $2.1B |
| ALPHABET INC-CL CGOOG | 13 funds | $1.9B |
Ranked by how many of TGEN'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 TGEN. 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.