The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query MBAV owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MBAV"
Use Arkolith to show who owns MBAV, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Polar Asset Management Partners Inc. | $40.9M | 3.8M | ▲+117% Added · +2.1M sh | Q1 2026 | |
| 2 | Jain Global LLC | $30.6M | 2.8M | ▲14× Added · +2.6M sh | Q1 2026 | |
| 3 | Alberta Investment Management Corp | $26.6M | 2.5M | —Held | Q1 2026 | |
| 4 | LMR Partners LLP | $14.5M | 1.4M | —Held | Q1 2026 | |
| 5 | Alyeska Investment Group, L.P. | $10.7M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 6 | BOOTHBAY FUND MANAGEMENT, LLC | $6.8M | 630K | ▼−1.0% Reduced · −6K sh | Q1 2026 | |
| 7 | Magnetar Financial LLC | $2.9M | 269K | —Held | Q1 2026 | |
| 8 | WHITEBOX ADVISORS LLC | $1.4M | 130K | —Held | Q1 2026 | |
| 9 | Clear Street Group Inc. | $1.1M | 102K | ▼−2.4% Reduced · −3K sh | Q1 2026 | |
| 10 | MOORE CAPITAL MANAGEMENT, LP | $1.1M | 100K | —Held | Q1 2026 | |
| 11 | CITADEL ADVISORS LLC | $1.0M | 94K | ▲+12% Added · +10K sh | Q1 2026 | |
| 12 | CSS LLC/IL | $788K | 73K | ▼−1.3% Reduced · −1K sh | Q1 2026 | |
| 13 | PICTON MAHONEY ASSET MANAGEMENT | $554K | 52K | —Held | Q1 2026 | |
| 14 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $74K | 7K | ▲New +7K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 24, 2026 | CF GROUP MANAGEMENT INC | Insider | Buy (S) | 7.8M | $84.0M |
| Dec 17, 2025 | Lutnick Brandon | 10% Owner | Buy (P) | 3.5M | $38.1M |
| May 27, 2025 | Meghji Mohsin Y | Executive Chairman of BOD, Director | Sell (S) | 7.2M | — |
| May 27, 2025 | M3-Brigade Sponsor V LLC | 10% Owner | Sell (S) | 7.2M | — |
| Class | 13F holders | Value held |
|---|---|---|
| MBAVthis pageEquity | 28 funds | $173.5M |
| MBAVWWarrant | 24 funds | $3.3M |
| MBAVUUNIT 99/99/9999 | 3 funds | $32K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPF | 17 funds | $98.5M |
| K&F GROWTH ACQUISITION COR-AKFII | 15 funds | $82.5M |
| MOZAYYX ACQUISITION CORPMZYX/U | 15 funds | $77.6M |
| CANTOR EQUITY PARTNERS III-ACAEP | 15 funds | $51.3M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 15 funds | $51.0M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 15 funds | $43.6M |
| COHEN CIRCLE ACQUISIT II - ACCII | 15 funds | $32.6M |
| EQV VENTURES ACQUISITION C-AEVAC | 14 funds | $97.1M |
| ANDRETTI ACQUISITION CORP -APOLE | 14 funds | $89.4M |
| INFLECTION POINT ACQUISITI-AIPCX | 14 funds | $76.4M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 14 funds | $53.7M |
| BTC DEVELOPMENT CORP-CL ABDCI | 14 funds | $47.2M |
Ranked by how many of MBAV'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 + end-of-day price history + the live filing stream, joined for MBAV. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.