4 tracked 13F filers disclose a position in BRKU as of the latest SEC 13F filings, a combined $706K in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GOLDMAN SACHS GROUP INC | $484K | 22K | ▲New +22K sh | Q1 2026 | |
| 2 | Optiver Holding B.V. | $213K | 10K | ▼−36% Reduced · −5K sh | Q1 2026 | |
| 3 | SBI Securities Co., Ltd. | $6K | 268 | ▲+17% Added · +38 sh | Q2 2026 | |
| 4 | CWM, LLC | $4K | 174 | —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.
Last quarter, 0 funds opened a new position in BRKU and 1 added to an existing one, while 0 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| ISHARES CORE S&P 500 ETFIVV | 3 funds | $3.9B |
| ISHARES CORE U.S. AGGREGATEAGG | 3 funds | $1.6B |
| MICROSOFT CORPMSFT | 3 funds | $1.3B |
| STE STR SPDR PT S&P 500 ETFSPYM | 3 funds | $1.1B |
| NVIDIA CORPNVDA | 3 funds | $1.0B |
| AMAZON.COM INCAMZN | 3 funds | $981.1M |
| ALPHABET INC-CL AGOOGL | 3 funds | $916.8M |
| STE STR SPDR PT DW EU ETFSPDW | 3 funds | $862.3M |
| APPLE INCAAPL | 3 funds | $812.4M |
| VANGUARD FTSE EMERGING MARKEVWO | 3 funds | $722.8M |
| VANGUARD S&P 500 ETFVOO | 3 funds | $694.2M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 3 funds | $654.7M |
Ranked by how many of BRKU's institutional holders also hold each name, a cross-fund conviction signal.
No filings captured for this ticker in the live stream yet.
This ETF page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/BRKU/capital-change-brief"
Use Arkolith's capital_change_brief for BRKU. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for BRKU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.