Among active 13F managers last quarter, 13 opened and 6 added, while 6 reduced; the largest holder to move was Portolan Capital Management, LLC (+250%). Over the last 180 days, 3 insiders bought and none sold, a net +$81K in open-market trades.
Funds lean in and no leg opposes.
63 tracked 13F filers disclose a position in TGEN as of the latest SEC 13F filings, a combined $41.0M in reported value. 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.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Portolan Capital Management, LLC | 1.6M | $8.1M | ▲+250% Added · +1.1M sh | Q2 2026 | |
| 2 | Vanguard Capital Management LLC | 789K | $4.1M | ▲+2.4% Added · +19K sh | Q2 2026 | |
| 3 | Bard Associates Inc | 682K | $3.6M | ▼−0.9% Reduced · −6K sh | Q2 2026 | |
| 4 | Clear Harbor Asset Management, LLC | 650K | $3.4M | —Held | Q2 2026 | |
| 5 | Herald Investment Management Ltd | 420K | $2.2M | —Held | Q2 2026 | |
| 6 | Gratia Capital, LLC | 389K | $2.0M | ▲New +389K sh | Q2 2026 | |
| 7 | Palisades Investment Partners, LLC | 323K | $1.7M | ▼−3.2% Reduced · −11K sh | Q2 2026 | |
| 8 | UBS Group AG | 320K | $819K | ▲+205% Added · +215K sh | Q1 2026 | |
| 9 | Renaissance Technologies LLC | 272K | $697K | ▲+401% Added · +218K sh | Q1 2026 | |
| 10 | BlackRock, Inc. | 251K | $1.3M | ▲+36% Added · +67K sh | Q2 2026 | |
| 11 | Citadel Advisors LLC | 242K | $1.3M | ▲+64% Added · +95K sh | Q2 2026 | |
| 12 | Huntleigh Advisors, Inc. | 220K | $1.1M | ▲New +220K sh | Q2 2026 | |
| 13 | Marshall Wace, LLP | 207K | $531K | ▼−28% Reduced · −79K sh | Q1 2026 | |
| 14 | Raymond James Financial Inc | 186K | $476K | ▲+86% Added · +86K sh | Q1 2026 | |
| 15 | Heartland Advisors Inc | 182K | $951K | ▲New +182K sh | Q2 2026 | |
| 16 | Geode Capital Management, LLC | 181K | $945K | ▼−5.8% Reduced · −11K sh | Q2 2026 | |
| 17 | Thompson Davis & Co., Inc. | 145K | $756K | ▲+46% Added · +46K sh | Q2 2026 | |
| 18 | New York State Common Retirement Fund | 137K | $351K | —Held | Q1 2026 | |
| 19 | HighTower Advisors, LLC | 133K | $340K | —Held | Q1 2026 | |
| 20 | Arosa Capital Management LP | 125K | $653K | ▼−64% Reduced · −225K sh | Q2 2026 | |
| 21 | Jane Street Group, LLC | 117K | $300K | ▼−43% Reduced · −90K sh | Q1 2026 | |
| 22 | Integrated Wealth Concepts LLC | 112K | $585K | ▼−49% Reduced · −106K sh | Q2 2026 | |
| 23 | Apis Capital Advisors, LLC | 112K | $585K | ▲+45% Added · +35K sh | Q2 2026 | |
| 24 | Susquehanna International Group, LLP | 109K | $280K | ▼−64% Reduced · −193K sh | Q1 2026 | |
| 25 | Vanguard Fiduciary Trust Co | 106K | $553K | ▲+9.9% Added · +10K sh | Q2 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.
Last quarter, 13 funds opened a new position in TGEN and 6 added to an existing one, while 6 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 27 funds | $43.7B |
| Microsoft CorpMSFT | 27 funds | $27.8B |
| Amazon.com IncAMZN | 27 funds | $22.2B |
| Eli Lilly & CoLLY | 26 funds | $8.8B |
| Advanced Micro DevicesAMD | 26 funds | $6.9B |
| Lam Research CorpLRCX | 26 funds | $4.0B |
| Apple IncAAPL | 25 funds | $35.0B |
| Alphabet Inc-CL AGOOGL | 25 funds | $17.2B |
| Berkshire Hathaway Inc-CL BBRK/B | 25 funds | $6.3B |
| Micron Technology IncMU | 25 funds | $6.3B |
| Visa Inc-Class A SharesV | 25 funds | $5.2B |
| Cisco Systems IncCSCO | 25 funds | $3.8B |
Ranked by how many of TGEN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in TGEN.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Apr 24, 2026 | Ghoniem Ahmed | Director | Buy (P) | 13K | $10K |
| Apr 13, 2026 | Hirsch Susan B | Director | Buy (P) | 5K | $19K |
| 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 | Rangesh Abinand | Chief Executive Officer, Director | Buy (P) | 3K | $7K |
| Mar 20, 2026 | Deschenes Roger P. | CAO | Buy (P) | 10K | $22K |
| Jun 24, 2025 | Panora Robert A | COO and President | Sell (S) | 900 | $6K |
| Jun 23, 2025 | Panora Robert A | COO and President | Sell (S) | 32K | $202K |
| Jun 23, 2025 | Lafaille Stephen | VP of Business Development | Sell (S) | 10K | $73K |
| Jun 18, 2025 | Panora Robert A | COO and President | Sell (S) | 13K | $65K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 15 | 17 | – |
Insiders Form 4 open-market | 3 | 0 | +$81K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for TGEN
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/TGEN/capital-change-brief"
Use Arkolith's capital_change_brief for TGEN. 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 TGEN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.