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 ZSTK 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/ZSTK"
Use Arkolith to show who owns ZSTK, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $157K | 25K | ▲New +25K sh | Q1 2026 | |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $156K | 25K | ▲New +25K sh | Q1 2026 | |
| 3 | VANGUARD FIDUCIARY TRUST CO | $78K | 13K | ▲New +13K sh | Q1 2026 | |
| 4 | UBS Group AG | $4K | 666 | ▲New +666 sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $1K | 173 | ▲New +173 sh | Q1 2026 | |
| 6 | Bernard Wealth Management Corp. | $75 | 12 | ▲New +12 sh | Q1 2026 | |
| 7 | OSAIC HOLDINGS, INC. | $73 | 12 | ▲New +12 sh | Q1 2026 | |
| 8 | Sound Income Strategies, LLC | $72 | 12 | ▲New +12 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 |
|---|---|---|
| APPLE INCAAPL | 6 funds | $93.8B |
| NVIDIA CORPNVDA | 6 funds | $92.1B |
| MICROSOFT CORPMSFT | 6 funds | $73.2B |
| AMAZON.COM INCAMZN | 6 funds | $53.9B |
| ALPHABET INC-CL AGOOGL | 6 funds | $52.4B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 6 funds | $39.3B |
| BROADCOM INCAVGO | 6 funds | $38.9B |
| JPMORGAN CHASE & COJPM | 6 funds | $33.2B |
| ALPHABET INC-CL CGOOG | 6 funds | $32.8B |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $32.5B |
| ISHARES CORE S&P 500 ETFIVV | 6 funds | $31.4B |
| ELI LILLY & COLLY | 6 funds | $22.1B |
Ranked by how many of ZSTK'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 ZSTK. 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.