24 tracked 13F filers disclose a position in MARB as of the latest SEC 13F filings, a combined $17.1M 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 | LPL Financial LLC | $6.9M | 333K | ▲+13% Added · +38K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $3.1M | 150K | ▲New +150K sh | Q1 2026 | |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.2M | 108K | ▲+359% Added · +84K sh | Q1 2026 | |
| 4 | FAS Wealth Partners, Inc. | $1.4M | 67K | ▲+65% Added · +26K sh | Q1 2026 | |
| 5 | Stratos Wealth Advisors, LLC | $882K | 43K | ▼−3.3% Reduced · −1K sh | Q1 2026 | |
| 6 | AE Wealth Management LLC | $499K | 24K | ▲+355% Added · +19K sh | Q1 2026 | |
| 7 | JANE STREET GROUP, LLC | $388K | 19K | ▲+323% Added · +14K sh | Q1 2026 | |
| 8 | ASSETMARK, INC | $353K | 17K | ▼−84% Reduced · −89K sh | Q1 2026 | |
| 9 | WORLD EQUITY GROUP, INC. | $338K | 16K | ▲+3.8% Added · +602 sh | Q2 2026 | |
| 10 | ENVESTNET ASSET MANAGEMENT INC | $225K | 11K | ▼−75% Reduced · −33K sh | Q1 2026 | |
| 11 | Cetera Investment Advisers | $213K | 10K | ▼−59% Reduced · −15K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $197K | 10K | ▼−66% Reduced · −18K sh | Q1 2026 | |
| 13 | OSAIC HOLDINGS, INC. | $136K | 7K | ▲~0% Added · +1 sh | Q1 2026 | |
| 14 | Cassaday & Co Wealth Management LLC | $78K | 4K | ▲New +4K sh | Q1 2026 | |
| 15 | HARBOUR INVESTMENTS, INC. | $62K | 3K | ▼−4.9% Reduced · −154 sh | Q1 2026 | |
| 16 | HIGHLINE WEALTH PARTNERS LLC | $44K | 2K | ▲New +2K sh | Q2 2026 | |
| 17 | CoreCap Advisors, LLC | $11K | 553 | ▼−57% Reduced · −726 sh | Q1 2026 | |
| 18 | Arax Advisory Partners | $10K | 470 | —Held | Q1 2026 | |
| 19 | UBS Group AG | $9K | 419 | ▲+288% Added · +311 sh | Q1 2026 | |
| 20 | ROYAL BANK OF CANADA | $2K | 105 | ▲+19% Added · +17 sh | Q1 2026 | |
| 21 | Farther Finance Advisors, LLC | $1K | 67 | —Held | Q1 2026 | |
| 22 | CWM, LLC | $1K | 57 | ▲New +57 sh | Q1 2026 | |
| 23 | Larson Financial Group LLC | $166 | 8 | —Held | Q1 2026 | |
| 24 | JPMORGAN CHASE & CO | $104 | 5 | ▲New +5 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, 1 fund opened a new position in MARB and 1 added to an existing one, while 2 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 | 11 funds | $5.3B |
| ISHARES CORE S&P 500 ETFIVV | 11 funds | $4.1B |
| APPLE INCAAPL | 11 funds | $3.3B |
| AMAZON.COM INCAMZN | 11 funds | $2.7B |
| MICROSOFT CORPMSFT | 11 funds | $2.4B |
| ALPHABET INC-CL AGOOGL | 11 funds | $2.0B |
| META PLATFORMS INC-CLASS AMETA | 11 funds | $1.9B |
| BROADCOM INCAVGO | 11 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 11 funds | $1.8B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 11 funds | $1.6B |
| SS SPDR DOW JONES INDUS AVGDIA | 11 funds | $1.6B |
| JPMORGAN CHASE & COJPM | 11 funds | $1.2B |
Ranked by how many of MARB's institutional holders also hold each name, a cross-fund conviction signal.
| Class | 13F holders | Value held |
|---|---|---|
| FUMBmc | 61 funds | $134.0M |
| MARBthis pageMERGER ARBITRA | 24 funds | $17.1M |
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/MARB/capital-change-brief"
Use Arkolith's capital_change_brief for MARB. 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 MARB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.