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 WDH 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/WDH"
Use Arkolith to show who owns WDH, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $119K | 73K | ▼−6.4% Reduced · −5K sh | Q1 2026 | |
| 2 | Centiva Capital, LP | $61K | 38K | ▲+3.8% Added · +1K sh | Q1 2026 | |
| 3 | CITADEL ADVISORS LLC | $49K | 30K | ▼−66% Reduced · −59K sh | Q1 2026 | |
| 4 | SBI Securities Co., Ltd. | $5K | 3K | —Held | Q1 2026 | |
| 5 | NISA INVESTMENT ADVISORS, LLC | $2K | 1K | ▲+36% Added · +291 sh | Q1 2026 | |
| 6 | FIRST HORIZON CORP | $405 | 250 | —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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 8 funds | $7.2B |
| AMAZON.COM INCAMZN | 8 funds | $3.6B |
| MICROSOFT CORPMSFT | 8 funds | $2.5B |
| BROADCOM INCAVGO | 8 funds | $2.5B |
| META PLATFORMS INC-CLASS AMETA | 8 funds | $2.2B |
| ALPHABET INC-CL AGOOGL | 8 funds | $2.0B |
| MICRON TECHNOLOGY INCMU | 8 funds | $2.0B |
| ALPHABET INC-CL CGOOG | 8 funds | $1.5B |
| APPLIED MATERIALS INCAMAT | 8 funds | $1.2B |
| HOME DEPOT INCHD | 8 funds | $1.0B |
| COSTCO WHOLESALE CORPCOST | 8 funds | $919.8M |
| T-MOBILE US INCTMUS | 8 funds | $884.4M |
Ranked by how many of WDH'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 WDH. 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.