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 NVIR 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/NVIR"
Use Arkolith to show who owns NVIR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | HORIZON KINETICS ASSET MANAGEMENT LLC | $361K | 9K | ▲+3.8% Added · +325 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 |
|---|---|---|
| MAGSmc | 133 funds | $719.1M |
| XXRPTEUCRIUM 2X LONG | 17 funds | $1.7M |
| BCDFHORZN KINTCS BL | 9 funds | $9.4M |
| 53656G332RELATIVE STRENGT | 6 funds | $4.1M |
| 53656G563HORIZON KINETICS | 5 funds | $527K |
| SPAQHORZN KNTCS SPAC | 4 funds | $6.8M |
| NVIRthis pageHORIZON KINETICS | 4 funds | $926K |
| OEIOPTIMIZED EQUITY | 2 funds | $34.9M |
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 |
|---|---|---|
| SS SPDR S&P 500 ETF TRUST-USSPY | 5 funds | $19.0B |
| NVIDIA CORPNVDA | 5 funds | $13.0B |
| APPLE INCAAPL | 5 funds | $11.4B |
| MICROSOFT CORPMSFT | 5 funds | $7.7B |
| AMAZON.COM INCAMZN | 5 funds | $7.7B |
| ALPHABET INC-CL AGOOGL | 5 funds | $7.3B |
| TORONTO-DOMINION BANKTD | 5 funds | $7.1B |
| BROADCOM INCAVGO | 5 funds | $5.2B |
| TEXAS PACIFIC LAND CORPTPL | 5 funds | $4.9B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $4.2B |
| ALPHABET INC-CL CGOOG | 5 funds | $4.1B |
| NETFLIX INCNFLX | 5 funds | $3.1B |
Ranked by how many of NVIR'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 NVIR. 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.