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 GRIN 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/GRIN"
Use Arkolith to show who owns GRIN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Annex Advisory Services, LLC | $2.5M | 91K | ▼−96% Reduced · −2.1M sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $888K | 32K | ▲+135% Added · +18K sh | Q1 2026 | |
| 3 | ASSETMARK, INC | $9K | 319 | —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.
| Class | 13F holders | Value held |
|---|---|---|
| VFLOmc | 155 funds | $4.6B |
| SFLOVICTORYSHARES SM | 47 funds | $393.8M |
| UBNDFUND | 27 funds | $1.4B |
| GFLWmc | 25 funds | $542.0M |
| GLOWVICTORYSHARES WE | 11 funds | $34.8M |
| GRINthis pageSHARES INTERNATN | 9 funds | $233.6M |
| IFLOSHARES INTERNATN | 5 funds | $135.3M |
| 92647X855ETF | 2 funds | $150.7M |
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 |
|---|---|---|
| NVIDIA CORPNVDA | 4 funds | $4.4B |
| ISHARES CORE S&P 500 ETFIVV | 4 funds | $3.8B |
| APPLE INCAAPL | 4 funds | $2.3B |
| AMAZON.COM INCAMZN | 4 funds | $2.2B |
| MICROSOFT CORPMSFT | 4 funds | $1.9B |
| MICRON TECHNOLOGY INCMU | 4 funds | $1.7B |
| META PLATFORMS INC-CLASS AMETA | 4 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 4 funds | $1.6B |
| BROADCOM INCAVGO | 4 funds | $1.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 4 funds | $1.6B |
| JPMORGAN CHASE & COJPM | 4 funds | $983.2M |
| TESLA INCTSLA | 4 funds | $916.7M |
Ranked by how many of GRIN'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 GRIN. 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.