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 HTOO 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/HTOO"
Use Arkolith to show who owns HTOO, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | UBS Group AG | $10K | 4K | ▲+28% Added · +814 sh | Q1 2026 | |
| 2 | MORGAN STANLEY | $3K | 1K | —Held | Q1 2026 | |
| 3 | SBI Securities Co., Ltd. | $277 | 99 | —Held | Q1 2026 | |
| 4 | CREATIVE FINANCIAL DESIGNS INC /ADV | $31 | 11 | —Held | Q1 2026 | |
| 5 | NATIONAL BANK OF CANADA /FI/ | $19 | 7 | —Held | Q1 2026 | |
| 6 | JONES FINANCIAL COMPANIES LLLP | $8 | 3 | —Held | Q1 2026 | |
| 7 | GROUP ONE TRADING LLC | $3 | 1 | —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 |
|---|---|---|---|---|---|
| Oct 3, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.1M |
| Oct 3, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.3M |
| Oct 1, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.1M |
| Sep 29, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.1M |
| Sep 26, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 614 | $1.8M |
| Sep 26, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.2M |
| Sep 25, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.4M |
| Sep 25, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.3M |
| Sep 24, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.5M |
| Sep 24, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.4M |
| Sep 24, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.4M |
| Sep 24, 2025 | Ilustrato Pictures International Inc. | 10% Owner | Disposed to issuer (D) | 500 | $1.3M |
| Company | Co-held by | Combined value |
|---|---|---|
| VANGUARD TOTAL STOCK MKT ETFVTI | 3 funds | $188.1M |
| AMAZON.COM INCAMZN | 3 funds | $120.4M |
| TESLA INCTSLA | 3 funds | $103.2M |
| ALPHABET INC-CL AGOOGL | 3 funds | $98.8M |
| MICROSOFT CORPMSFT | 3 funds | $92.2M |
| MICRON TECHNOLOGY INCMU | 3 funds | $81.4M |
| PALANTIR TECHNOLOGIES INC-APLTR | 3 funds | $79.8M |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 3 funds | $71.8M |
| FIRST MAJESTIC SILVER CORPAG | 3 funds | $42.2M |
| SOFI TECHNOLOGIES INCSOFI | 3 funds | $37.9M |
| ELI LILLY & COLLY | 3 funds | $37.6M |
| SPDR GOLD SHARESGLD | 3 funds | $33.3M |
Ranked by how many of HTOO'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 HTOO. 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.