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 GFS 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/GFS"
Use Arkolith to show who owns GFS, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Slate Path Capital LP | $224.3M | 5.0M | ▲+3.8% Added · +186K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $90.0M | 2.0M | ▲+13% Added · +225K sh | Q1 2026 | |
| 3 | Ghisallo Capital Management LLC | $80.1M | 1.8M | ▲New +1.8M sh | Q1 2026 | |
| 4 | STATE STREET CORP | $54.4M | 1.2M | ▲+22% Added · +216K sh | Q1 2026 | |
| 5 | Phoenix Financial Ltd. | $49.1M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 6 | ArrowMark Colorado Holdings LLC | $37.0M | 833K | ▼−46% Reduced · −698K sh | Q1 2026 | |
| 7 | Woodline Partners LP | $31.3M | 703K | ▼−53% Reduced · −804K sh | Q1 2026 | |
| 8 | Junto Capital Management LP | $22.3M | 502K | ▲New +502K sh | Q1 2026 | |
| 9 | Atreides Management, LP | $21.1M | 475K | ▲New +475K sh | Q1 2026 | |
| 10 | SOROS FUND MANAGEMENT LLC | $19.8M | 444K | ▲New +444K sh | Q1 2026 | |
| 11 | Jain Global LLC | $12.9M | 290K | ▼−52% Reduced · −309K sh | Q1 2026 | |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | $11.3M | 255K | ▲New +255K sh | Q1 2026 | |
| 13 | Gotham Asset Management, LLC | $9.0M | 201K | ▲+3.1% Added · +6K sh | Q1 2026 | |
| 14 | Walleye Capital LLC | $8.7M | 195K | ▲13× Added · +180K sh | Q1 2026 | |
| 15 | Trexquant Investment LP | $8.6M | 193K | ▲New +193K sh | Q1 2026 | |
| 16 | NATIXIS | $7.9M | 177K | ▲+12% Added · +19K sh | Q1 2026 | |
| 17 | Man Group plc | $7.6M | 171K | ▲+194% Added · +113K sh | Q1 2026 | |
| 18 | OCCUDO QUANTITATIVE STRATEGIES LP | $7.5M | 116K | ▲+119% Added · +63K sh | Q1 2026 | |
| 19 | DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | $6.7M | 150K | ▲New +150K sh | Q1 2026 | |
| 20 | NISSAY ASSET MANAGEMENT CORP /JAPAN | $6.1M | 136K | ▲+1.1% Added · +1K sh | Q1 2026 | |
| 21 | PEAK6 LLC | $5.4M | 122K | ▲+338% Added · +94K sh | Q1 2026 | |
| 22 | Tidal Investments LLC | $5.4M | 121K | ▲+44% Added · +37K sh | Q1 2026 | |
| 23 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $3.6M | 81K | —Held | Q1 2026 | |
| 24 | Bridgewater Associates, LP | $3.4M | 76K | ▲New +76K sh | Q1 2026 | |
| 25 | CWM, LLC | $3.2M | 73K | ▲+9.5% Added · +6K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 11, 2026 | Azar Samak L | Chief Legal Officer | Sell (S) | 335 | $26K |
| Jun 10, 2026 | Hogan Michael James | Chief Strategy Officer | Sell (S) | 3K | $210K |
| Jun 10, 2026 | Hogan Michael James | Chief Strategy Officer | Gift (G) | 150 | $0 |
| Jun 4, 2026 | Azar Samak L | Chief Legal Officer | Sell (S) | 335 | $27K |
| Mar 26, 2026 | Azar Samak L | Chief Legal Officer | Sell (S) | 500 | $23K |
| Mar 19, 2026 | Azar Samak L | Chief Legal Officer | Sell (S) | 500 | $21K |
| Mar 18, 2026 | Hogan Michael James | Chief Business Officer | Gift (G) | 150 | $0 |
| Mar 18, 2026 | Hogan Michael James | Chief Business Officer | Sell (S) | 2K | $78K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 111 funds | $45.3B |
| NVIDIA CORPNVDA | 109 funds | $62.8B |
| META PLATFORMS INC-CLASS AMETA | 108 funds | $20.5B |
| TESLA INCTSLA | 108 funds | $15.3B |
| AMAZON.COM INCAMZN | 107 funds | $38.3B |
| BROADCOM INCAVGO | 107 funds | $24.5B |
| ALPHABET INC-CL AGOOGL | 106 funds | $30.7B |
| VISA INC-CLASS A SHARESV | 106 funds | $9.8B |
| MASTERCARD INC - AMA | 106 funds | $7.4B |
| CAPITAL ONE FINANCIAL CORPCOF | 106 funds | $2.2B |
| APPLE INCAAPL | 105 funds | $52.6B |
| MICRON TECHNOLOGY INCMU | 105 funds | $9.3B |
Ranked by how many of GFS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GFS. 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.