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 ETHD 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/ETHD"
Use Arkolith to show who owns ETHD, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $1.7M | 27K | ▲New +27K sh | Q1 2026 | |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.6M | 26K | ▼−40% Reduced · −17K sh | Q1 2026 | |
| 3 | RENAISSANCE TECHNOLOGIES LLC | $1.5M | 23K | ▲New +23K sh | Q1 2026 | |
| 4 | Jump Financial, LLC | $933K | 15K | ▲+26% Added · +3K sh | Q1 2026 | |
| 5 | JANE STREET GROUP, LLC | $232K | 4K | ▼−89% Reduced · −31K sh | Q1 2026 | |
| 6 | SIMPLEX TRADING, LLC | $66K | 1K | ▲New +1K 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.
No Form 4 insider transactions on file yet.
| Class | 13F holders | Value held |
|---|---|---|
| SQQQULTRAPRO SHORT | 51 funds | $226.5M |
| SDSULTRASHRT S&P500 | 34 funds | $52.3M |
| SPXUULTRAPRO SHORT S | 30 funds | $45.2M |
| SRTYULTRAPRO SHRT RU | 12 funds | $9.2M |
| ETHDthis pageULTRASHORT ETHER | 6 funds | $6.0M |
| CRCAULTRA CRCL NEW | 6 funds | $3.6M |
| 74350P691GENIUS MONEY MRK | 5 funds | $20.0B |
| 74350P584ULTRASHORT SEMIC | 5 funds | $2.6M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| MICRON TECHNOLOGY INCMU | 8 funds | $2.9B |
| PALANTIR TECHNOLOGIES INC-APLTR | 8 funds | $2.7B |
| TESLA INCTSLA | 8 funds | $2.6B |
| BROADCOM INCAVGO | 8 funds | $2.6B |
| SANDISK CORPSNDK | 8 funds | $2.4B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 8 funds | $2.1B |
| MICROSOFT CORPMSFT | 8 funds | $1.9B |
| AMAZON.COM INCAMZN | 8 funds | $1.9B |
| ALPHABET INC-CL AGOOGL | 8 funds | $1.8B |
| UNITEDHEALTH GROUP INCUNH | 8 funds | $1.7B |
| ORACLE CORPORCL | 8 funds | $1.4B |
| META PLATFORMS INC-CLASS AMETA | 8 funds | $1.3B |
Ranked by how many of ETHD's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ETHD. 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.