Among active 13F managers last quarter, 1 added and 1 reduced; the largest holder to move was Marex Group Ltd (−17%). No recent Form 4 insider filings for TANH.
No leg leans either way.
3 tracked 13F filers disclose a position in TANH as of the latest SEC 13F filings, a combined $11K 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 | Marex Group Ltd | 28K | $11K | ▼−17% Reduced · −6K sh | Q2 2026 | |
| 2 | SBI Securities Co., Ltd. | 1K | $394 | ▲+3.5% Added · +35 sh | Q2 2026 | |
| 3 | UBS Group AG | 411 | $242 | ▲New +411 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.
Last quarter, 1 fund added to an existing position in TANH, while 1 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 | 2 funds | $927.8M |
| Sandisk CorpSNDK | 2 funds | $713.0M |
| Marvell Technology IncMRVL | 2 funds | $590.0M |
| Ast Spacemobile IncASTS | 2 funds | $558.3M |
| Broadcom IncAVGO | 2 funds | $518.1M |
| Lumentum Holdings IncLITE | 2 funds | $462.7M |
| Microsoft CorpMSFT | 2 funds | $438.4M |
| Applied Optoelectronics IncAAOI | 2 funds | $420.9M |
| Space Exploration Techn-CL ASPCX | 2 funds | $396.0M |
| Servicenow IncNOW | 2 funds | $381.0M |
| Vanguard S&P 500 ETFVOO | 2 funds | $361.8M |
| Alphabet Inc-CL AGOOGL | 2 funds | $333.8M |
Ranked by how many of TANH's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in TANH.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
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 | 1 | 1 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
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.
No filings captured for this ticker in the live stream yet.
Connected entities for TANH
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/TANH/capital-change-brief"
Use Arkolith's capital_change_brief for TANH. 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 TANH. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.