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 GRTUF 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/GRTUF"
Use Arkolith to show who owns GRTUF, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | TD Waterhouse Canada Inc. | $23.2M | 392K | ▲+40% Added · +112K sh | Q1 2026 | |
| 2 | Purpose Unlimited Inc. | $9.7M | 164K | ▼−0.4% Reduced · −711 sh | Q1 2026 | |
| 3 | Quadrature Capital Ltd | $7.8M | 133K | ▲New +133K sh | Q1 2026 | |
| 4 | Canoe Financial LP | $3.6M | 61K | ▲+37% Added · +16K sh | Q1 2026 | |
| 5 | UniSuper Management Pty Ltd | $1.0M | 12K | —Held | Q1 2026 | |
| 6 | Investment Management Corp of Ontario | $505K | 9K | ▲+16% Added · +1K sh | Q1 2026 | |
| 7 | Northwest & Ethical Investments L.P. | $412K | 7K | ▼−4.0% Reduced · −290 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 21 funds | $12.7B |
| ROYAL BANK OF CANADARY | 21 funds | $11.1B |
| AMAZON.COM INCAMZN | 21 funds | $8.7B |
| TORONTO-DOMINION BANKTD | 21 funds | $7.9B |
| AGNICO EAGLE MINES LTDAEM | 21 funds | $4.3B |
| BANK OF MONTREALBMO | 21 funds | $3.8B |
| CANADIAN NATL RAILWAY COCNI | 21 funds | $2.9B |
| MASTERCARD INC - AMA | 21 funds | $2.6B |
| WHEATON PRECIOUS METALS CORPWPM | 21 funds | $1.8B |
| SUN LIFE FINANCIAL INCSLF | 21 funds | $1.4B |
| ZOETIS INCZTS | 21 funds | $505.3M |
| APPLE INCAAPL | 20 funds | $13.8B |
Ranked by how many of GRTUF'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 GRTUF. 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.