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 ZSL 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/ZSL"
Use Arkolith to show who owns ZSL, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | StoneX Group Inc. | $308K | 14K | ▲New +14K 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 |
|---|---|---|
| SCOUSDULSHT BLOOMB OIL | 43 funds | $103.7M |
| UCOULTA BLMBG 2017 | 27 funds | $26.3M |
| VIXYVIX SHT TERM FUT | 25 funds | $22.8M |
| BOIL1EURULTRA BLOOMBERG | 22 funds | $10.0M |
| UVXYULTRA VIX SHORT | 17 funds | $74.8M |
| GLLULTRASHORT GOLD | 15 funds | $14.1M |
| ZSLthis pageULTRA SHORT SILV | 12 funds | $12.5M |
| KOLDULSHT BLOOMB GAS | 11 funds | $14.4M |
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 |
|---|---|---|
| VANGUARD S&P 500 ETFVOO | 2 funds | $143.0M |
| ISHARES CORE S&P 500 ETFIVV | 2 funds | $132.8M |
| APPLE INCAAPL | 2 funds | $121.9M |
| INVESCO QQQ TRUST SERIES 1QQQ | 2 funds | $107.7M |
| NVIDIA CORPNVDA | 2 funds | $102.8M |
| INVESCO NASDAQ 100 ETFQQQM | 2 funds | $100.6M |
| ISHARES RUSSELL 1000 VALUE EIWD | 2 funds | $80.4M |
| SCHWAB FNDMN INTL LRG CO ETFFNDF | 2 funds | $75.7M |
| MICROSOFT CORPMSFT | 2 funds | $61.3M |
| STE STR SPDR PT S&P 500 ETFSPYM | 2 funds | $55.7M |
| SS SPDR S&P 500 ETF TRUST-USSPY | 2 funds | $55.6M |
| AMAZON.COM INCAMZN | 2 funds | $55.5M |
Ranked by how many of ZSL'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 ZSL. 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.