8 tracked 13F filers disclose a position in MAMB as of the latest SEC 13F filings, a combined $171.6M 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 | Kingsview Wealth Management, LLC | $170.0M | 7.1M | ▲+12% Added · +772K sh | Q1 2026 | |
| 2 | LPL Financial LLC | $986K | 41K | ▲+271% Added · +30K sh | Q1 2026 | |
| 3 | CITADEL ADVISORS LLC | $250K | 10K | ▲New +10K sh | Q1 2026 | |
| 4 | OSAIC HOLDINGS, INC. | $147K | 6K | ▼−6.3% Reduced · −413 sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $104K | 4K | —Held | Q1 2026 | |
| 6 | ROYAL BANK OF CANADA | $82K | 3K | ▲New +3K sh | Q1 2026 | |
| 7 | UBS Group AG | $28K | 1K | ▲+239% Added · +813 sh | Q1 2026 | |
| 8 | FMR LLC | $271 | 11 | —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, 1 fund opened a new position in MAMB, 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 | 2 funds | $3.4B |
| ISHARES CORE S&P 500 ETFIVV | 2 funds | $2.7B |
| AMAZON.COM INCAMZN | 2 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 2 funds | $1.6B |
| SS SPDR DOW JONES INDUS AVGDIA | 2 funds | $1.6B |
| APPLE INCAAPL | 2 funds | $1.5B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 2 funds | $1.4B |
| BROADCOM INCAVGO | 2 funds | $1.1B |
| META PLATFORMS INC-CLASS AMETA | 2 funds | $1.1B |
| MICROSOFT CORPMSFT | 2 funds | $1.1B |
| ALPHABET INC-CL AGOOGL | 2 funds | $869.1M |
| WARNER BROS DISCOVERY INCWBD | 2 funds | $807.3M |
Ranked by how many of MAMB'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/MAMB/capital-change-brief"
Use Arkolith's capital_change_brief for MAMB. 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 MAMB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.