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 ZENA 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/ZENA"
Use Arkolith to show who owns ZENA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Vident Advisory, LLC | $2.2M | 982K | ▲10× Added · +886K sh | Q1 2026 | |
| 2 | SEB Asset Management AB | $345K | 151K | ▲New +151K sh | Q1 2026 | |
| 3 | Prospera Financial Services Inc | $68K | 30K | ▲New +30K sh | Q1 2026 | |
| 4 | Steward Partners Investment Advisory, LLC | $62K | 27K | ▲New +27K sh | Q1 2026 | |
| 5 | GROUP ONE TRADING LLC | $52K | 23K | ▲+61% Added · +9K sh | Q1 2026 | |
| 6 | Engineers Gate Manager LP | $31K | 14K | ▲New +14K sh | Q1 2026 | |
| 7 | Federation des caisses Desjardins du Quebec | $2K | 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.
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 12 funds | $3.7B |
| ALPHABET INC-CL AGOOGL | 12 funds | $2.4B |
| ELI LILLY & COLLY | 12 funds | $830.6M |
| CAPITAL ONE FINANCIAL CORPCOF | 12 funds | $486.0M |
| UNITEDHEALTH GROUP INCUNH | 12 funds | $429.6M |
| WESTERN DIGITAL CORPWDC | 12 funds | $266.0M |
| BARRICK MINING CORPB | 12 funds | $182.1M |
| PAN AMERICAN SILVER CORPPAAS | 12 funds | $134.3M |
| ELEVANCE HEALTH INCELV | 12 funds | $133.6M |
| MICROSOFT CORPMSFT | 11 funds | $3.6B |
| BROADCOM INCAVGO | 11 funds | $2.3B |
| META PLATFORMS INC-CLASS AMETA | 11 funds | $2.1B |
Ranked by how many of ZENA'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 ZENA. 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.