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 TACOU 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/TACOU"
Use Arkolith to show who owns TACOU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Clear Street Group Inc. | $1.0M | 101K | ▼−38% Reduced · −63K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $249K | 24K | ▼−11% Reduced · −3K 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 |
|---|---|---|
| TACOORDSH | 38 funds | $202.1M |
| TACOWWarrant | 34 funds | $2.7M |
| TACOUthis pageUNIT 99/99/9999 | 4 funds | $1.9M |
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 |
|---|---|---|
| NVIDIA CORPNVDA | 5 funds | $98.8B |
| APPLE INCAAPL | 5 funds | $73.1B |
| MICROSOFT CORPMSFT | 5 funds | $61.6B |
| AMAZON.COM INCAMZN | 5 funds | $44.3B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 5 funds | $44.1B |
| ALPHABET INC-CL CGOOG | 5 funds | $40.0B |
| BROADCOM INCAVGO | 5 funds | $36.4B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $34.7B |
| ALPHABET INC-CL AGOOGL | 5 funds | $28.6B |
| TESLA INCTSLA | 5 funds | $21.1B |
| JOHNSON & JOHNSONJNJ | 5 funds | $18.5B |
| ELI LILLY & COLLY | 5 funds | $16.2B |
Ranked by how many of TACOU'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 TACOU. 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.