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 ETF page is the Follow view. The Build view lets your agent query FB institutional owners, quarter-over-quarter 13F changes, and source filings through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/FB"
Use Arkolith to show who owns FB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Sumitomo Mitsui Trust Group, Inc. | $3.3M | 78K | ▼−13% Reduced · −12K sh | Q1 2026 | |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $683K | 16K | ▲+5.2% Added · +794 sh | Q1 2026 | |
| 3 | Sanctuary Advisors, LLC | $308K | 7K | ▲+3.6% Added · +255 sh | Q1 2026 | |
| 4 | ROYAL BANK OF CANADA | $3K | 69 | —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.
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 5 funds | $29.1B |
| MICROSOFT CORPMSFT | 5 funds | $22.5B |
| ALPHABET INC-CL AGOOGL | 5 funds | $15.2B |
| ISHARES CORE S&P 500 ETFIVV | 5 funds | $13.5B |
| BROADCOM INCAVGO | 5 funds | $11.8B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 5 funds | $11.4B |
| ALPHABET INC-CL CGOOG | 5 funds | $10.9B |
| JPMORGAN CHASE & COJPM | 5 funds | $9.3B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $8.9B |
| TESLA INCTSLA | 5 funds | $7.2B |
| CANADIAN NATURAL RESOURCESCNQ | 5 funds | $6.1B |
| ELI LILLY & COLLY | 5 funds | $5.9B |
Ranked by how many of FB'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 + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for FB. 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.