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 HYI 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/HYI"
Use Arkolith to show who owns HYI, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | RAYMOND JAMES FINANCIAL INC | $5.6M | 527K | ▲+2.1% Added · +11K sh | Q1 2026 | |
| 2 | GUGGENHEIM CAPITAL LLC | $4.3M | 399K | ▼−7.0% Reduced · −30K sh | Q1 2026 | |
| 3 | 1607 Capital Partners, LLC | $2.0M | 190K | ▲+267% Added · +138K sh | Q1 2026 | |
| 4 | Rockefeller Capital Management L.P. | $1.9M | 174K | ▲+6.6% Added · +11K sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $1.2M | 117K | ▼−10.0% Reduced · −13K sh | Q1 2026 | |
| 6 | WELLS FARGO & COMPANY/MN | $988K | 92K | ▼−7.7% Reduced · −8K sh | Q1 2026 | |
| 7 | CITADEL ADVISORS LLC | $796K | 75K | ▲+70% Added · +31K sh | Q1 2026 | |
| 8 | JONES FINANCIAL COMPANIES LLLP | $454K | 43K | ▲+99% Added · +22K sh | Q1 2026 | |
| 9 | LPL Financial LLC | $414K | 39K | ▲+0.1% Added · +38 sh | Q1 2026 | |
| 10 | READYSTATE ASSET MANAGEMENT LP | $397K | 37K | ▼−44% Reduced · −29K sh | Q1 2026 | |
| 11 | BANK OF AMERICA CORP /DE/ | $359K | 34K | ▲+5.1% Added · +2K sh | Q1 2026 | |
| 12 | Calamos Advisors LLC | $281K | 26K | ▲+14% Added · +3K sh | Q1 2026 | |
| 13 | OSAIC HOLDINGS, INC. | $191K | 18K | ▼−21% Reduced · −5K sh | Q1 2026 | |
| 14 | Cetera Investment Advisers | $169K | 16K | ▲+0.2% Added · +37 sh | Q1 2026 | |
| 15 | PRIVATE MANAGEMENT GROUP INC | $129K | 12K | ▲New +12K sh | Q1 2026 | |
| 16 | UBS Group AG | $125K | 12K | ▼−58% Reduced · −16K sh | Q1 2026 | |
| 17 | Savvy Advisors, Inc. | $112K | 10K | ▼−29% Reduced · −4K sh | Q1 2026 | |
| 18 | Kanen Wealth Management LLC | $107K | 10K | —Held | Q1 2026 | |
| 19 | FIFTH THIRD BANCORP | $77K | 7K | ▲New +7K sh | Q1 2026 | |
| 20 | Steward Partners Investment Advisory, LLC | $77K | 7K | ▲+598% Added · +6K sh | Q1 2026 | |
| 21 | ROYAL BANK OF CANADA | $65K | 6K | —Held | Q1 2026 | |
| 22 | Advisory Services Network, LLC | $38K | 4K | ▲New +4K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 27, 2025 | GRILLO ANTHONY | Director | Buy (P) | 1K | $12K |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 16 funds | $29.6B |
| MICROSOFT CORPMSFT | 16 funds | $22.0B |
| AMAZON.COM INCAMZN | 16 funds | $14.8B |
| META PLATFORMS INC-CLASS AMETA | 16 funds | $13.9B |
| JOHNSON & JOHNSONJNJ | 16 funds | $13.8B |
| ALPHABET INC-CL AGOOGL | 16 funds | $13.7B |
| HOME DEPOT INCHD | 16 funds | $10.4B |
| CVS HEALTH CORPCVS | 16 funds | $8.0B |
| NVIDIA CORPNVDA | 16 funds | $7.7B |
| CHEVRON CORPCVX | 16 funds | $7.6B |
| BANK OF AMERICA CORPBAC | 16 funds | $7.5B |
| COMCAST CORP-CLASS ACMCSA | 16 funds | $6.5B |
Ranked by how many of HYI'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 HYI. 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.