| # | Fund | Value | Shares | Change | Filing |
|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $6.0B | 6.28M | NEW | Q1 2026 |
| 2 | VIKING GLOBAL INVESTORS LP | $722.2M | 619.5K | ADDED | Q3 2025 |
| 3 | CITADEL ADVISORS LLC | $137.7M | 143.2K | REDUCED | Q1 2026 |
| 4 | Gotham Asset Management, LLC | $19.5M | 20.3K | ADDED | Q1 2026 |
| 5 | MARKEL GROUP INC. | $11.5M | 12.0K | REDUCED | Q1 2026 |
| 6 | Point72 Asset Management, L.P. | $6.5M | 6.8K | ADDED | Q1 2026 |
| 7 | Bridgewater Associates, LP | $4.9M | 4.6K | ADDED | Q4 2025 |
| 8 | MANGROVE PARTNERS IM, LLC | $855K | 733 | NEW | Q3 2025 |
No Form 4 insider transactions on file yet.
No filings captured for this ticker in the live stream yet.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 5 funds | $115.0B |
| AMAZON COM INCAMZN | 5 funds | $84.6B |
| ALPHABET INCGOOGL | 5 funds | $66.4B |
| ALPHABET INCGOOG | 5 funds | $54.9B |
| META PLATFORMS INCMETA | 5 funds | $52.4B |
| EXXON MOBIL CORPXOM | 5 funds | $36.6B |
| VISA INCV | 5 funds | $25.6B |
| LOCKHEED MARTIN CORPLMT | 5 funds | $20.4B |
| MASTERCARD INCORPORATEDMA | 5 funds | $19.0B |
| COSTCO WHSL CORP NEWCOST | 5 funds | $18.8B |
| RTX CORPORATIONRTX | 5 funds | $18.5B |
| GOLDMAN SACHS GROUP INCGS | 5 funds | $16.7B |
Ranked by how many of BLK'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 + the live filing stream, joined for BLK. Public domain, sourced to SEC EDGAR. Every panel above is one call to the Arkolith API & MCP server.