| # | Fund | Value | Shares | Change | Filing |
|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $45.8M | 1.07M | NEW | Q1 2026 |
| 2 | CITADEL ADVISORS LLC | $4.2M | 97.4K | REDUCED | Q1 2026 |
| 3 | BERKSHIRE HATHAWAY INC | $3.9M | 96.9K | NEW | Q1 2025 |
| 4 | MANGROVE PARTNERS IM, LLC | $437K | 10.2K | NEW | Q1 2026 |
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 |
|---|---|---|
| POOL CORPPOOL | 4 funds | $779.6M |
| APPLE INCAAPL | 3 funds | $220.8B |
| AMAZON COM INCAMZN | 3 funds | $84.9B |
| CHEVRON CORPORATIONCVX | 3 funds | $51.8B |
| AMERICAN EXPRESS COAXP | 3 funds | $49.8B |
| COCA COLA COKO | 3 funds | $41.9B |
| BANK AMERICA CORPBAC | 3 funds | $40.8B |
| VISA INCV | 3 funds | $28.0B |
| MASTERCARD INCORPORATEDMA | 3 funds | $21.0B |
| OCCIDENTAL PETE CORPOXY | 3 funds | $16.0B |
| MOODYS CORPMCO | 3 funds | $14.6B |
Ranked by how many of BATRK'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 BATRK. Public domain, sourced to SEC EDGAR. Every panel above is one call to the Arkolith API & MCP server.