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 HIYY 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/HIYY"
Use Arkolith to show who owns HIYY, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Tidal Investments LLC | $26.9M | 1.9M | ▲+183% Added · +1.2M sh | Q1 2026 | |
| 2 | JANE STREET GROUP, LLC | $598K | 42K | ▲+58% Added · +16K sh | Q1 2026 | |
| 3 | UBS Group AG | $2K | 160 | ▲New +160 sh | Q1 2026 | |
| 4 | HARBOUR INVESTMENTS, INC. | $382 | 27 | ▲New +27 sh | Q1 2026 | |
| 5 | FMR LLC | $14 | 1 | ▲New +1 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 |
|---|---|---|
| HBDCHILTON BDC CORP | 9 funds | $19.2M |
| BLOXNICHOLAS CRYPTO | 9 funds | $1.9M |
| RGTZDEFIANCE DLY TRG | 8 funds | $1.9M |
| RSSXRETURN STACKED U | 7 funds | $32.4M |
| 88636V678ETF | 7 funds | $4.2M |
| HIYYthis pageYIELDMAX HIMS OP | 5 funds | $27.5M |
| SMSTDEFIANCE DAILY T | 5 funds | $2.4M |
| QLDYDEFIANCE NASDAQ | 4 funds | $3.2M |
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 |
|---|---|---|
| SS SPDR S&P 500 ETF TRUST-USSPY | 5 funds | $21.6B |
| NVIDIA CORPNVDA | 5 funds | $15.7B |
| APPLE INCAAPL | 5 funds | $13.7B |
| MICROSOFT CORPMSFT | 5 funds | $13.1B |
| BROADCOM INCAVGO | 5 funds | $9.5B |
| AMAZON.COM INCAMZN | 5 funds | $8.8B |
| ALPHABET INC-CL AGOOGL | 5 funds | $8.3B |
| ISHARES CORE MSCI EAFE ETFIEFA | 5 funds | $6.6B |
| JPMORGAN CHASE & COJPM | 5 funds | $6.0B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $5.8B |
| ALPHABET INC-CL CGOOG | 5 funds | $5.7B |
| INVESCO QQQ TRUST SERIES 1QQQ | 5 funds | $4.8B |
Ranked by how many of HIYY'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 HIYY. 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.