28 tracked 13F filers disclose a position in MUU as of the latest SEC 13F filings, a combined $77.0M 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 | UBS Group AG | $36.3M | 302K | ▲+201% Added · +201K sh | Q1 2026 | |
| 2 | MORGAN STANLEY | $6.3M | 52K | ▲+798% Added · +47K sh | Q1 2026 | |
| 3 | GOLDMAN SACHS GROUP INC | $4.8M | 40K | ▼−20% Reduced · −10K sh | Q1 2026 | |
| 4 | CITADEL ADVISORS LLC | $3.5M | 29K | ▲New +29K sh | Q1 2026 | |
| 5 | IMC-Chicago, LLC | $2.8M | 23K | ▲New +23K sh | Q1 2026 | |
| 6 | XTX Topco Ltd | $1.8M | 15K | ▲New +15K sh | Q1 2026 | |
| 7 | Optiver Holding B.V. | $1.5M | 13K | ▲New +13K sh | Q1 2026 | |
| 8 | Jump Financial, LLC | $1.5M | 12K | ▲New +12K sh | Q1 2026 | |
| 9 | StoneX Group Inc. | $1.2M | 10K | ▲New +10K sh | Q1 2026 | |
| 10 | BARCLAYS PLC | $1.1M | 10K | ▲New +10K sh | Q1 2026 | |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.1M | 9K | ▼−65% Reduced · −16K sh | Q1 2026 | |
| 12 | RENAISSANCE TECHNOLOGIES LLC | $1.0M | 9K | ▲New +9K sh | Q1 2026 | |
| 13 | JANE STREET GROUP, LLC | $960K | 8K | ▲New +8K sh | Q1 2026 | |
| 14 | SBI Securities Co., Ltd. | $899K | 7K | ▲+486% Added · +6K sh | Q1 2026 | |
| 15 | DRW Securities, LLC | $856K | 7K | ▲New +7K sh | Q1 2026 | |
| 16 | Csenge Advisory Group | $816K | 7K | ▲+0.7% Added · +50 sh | Q1 2026 | |
| 17 | DIVERSIFY WEALTH MANAGEMENT, LLC | Withheld | 5K | ▲New +5K sh | Q1 2026 | |
| 18 | FLAGSTAR SECURITIES, INC | $5.2M | 5K | ▲New +5K sh | Q2 2026 | |
| 19 | PFG Investments, LLC | $482K | 4K | ▲New +4K sh | Q1 2026 | |
| 20 | INDEPENDENT FINANCIAL GROUP, LLC | $3.1M | 3K | ▲New +3K sh | Q2 2026 | |
| 21 | OSAIC HOLDINGS, INC. | $313K | 3K | ▲+282% Added · +2K sh | Q1 2026 | |
| 22 | Scientech Research LLC | $253K | 2K | ▲New +2K sh | Q1 2026 | |
| 23 | Capstone Capital Management Ltd | $1.0M | 996 | ▲New +996 sh | Q2 2026 | |
| 24 | CITIGROUP INC | $46K | 383 | ▲New +383 sh | Q1 2026 | |
| 25 | Parallel Advisors, LLC | $12K | 100 | ▲New +100 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.
Last quarter, 14 funds opened a new position in MUU and 2 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 |
|---|---|---|
| NVIDIA CORPNVDA | 8 funds | $4.2B |
| AMAZON.COM INCAMZN | 8 funds | $2.0B |
| APPLE INCAAPL | 8 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 8 funds | $1.6B |
| SS SPDR DOW JONES INDUS AVGDIA | 8 funds | $1.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 8 funds | $1.5B |
| MICROSOFT CORPMSFT | 8 funds | $1.2B |
| META PLATFORMS INC-CLASS AMETA | 8 funds | $1.2B |
| BROADCOM INCAVGO | 8 funds | $1.2B |
| ALPHABET INC-CL AGOOGL | 8 funds | $1.1B |
| TESLA INCTSLA | 8 funds | $970.5M |
| ALPHABET INC-CL CGOOG | 8 funds | $858.0M |
Ranked by how many of MUU's institutional holders also hold each name, a cross-fund conviction signal.
| Class | 13F holders | Value held |
|---|---|---|
| AMZUFund | 30 funds | $36.2M |
| MUUthis pageFUND | 28 funds | $78.4M |
| HCMTmc | 26 funds | $365.6M |
| GGLLFUND | 25 funds | $93.9M |
| NVDUETF | 23 funds | $25.0M |
| METUETF | 20 funds | $19.6M |
| YANGFund | 19 funds | $13.5M |
| AAPUETF | 18 funds | $8.3M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
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/MUU/capital-change-brief"
Use Arkolith's capital_change_brief for MUU. 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 MUU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.