Among active 13F managers last quarter, 4 opened and 8 added, while 5 reduced; the largest holder to move was Highbridge Capital Management LLC (+3.9%). No recent Form 4 insider filings for MBVI.
Funds lean in and no leg opposes.
57 tracked 13F filers disclose a position in MBVI as of the latest SEC 13F filings, a combined $261.6M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Highbridge Capital Management LLC | 1.5M | $15.5M | ▲+3.9% Added · +57K sh | Q2 2026 | |
| 2 | Alberta Investment Management Corp | 1.4M | $14.7M | —Held | Q2 2026 | |
| 3 | Peak6 LLC | 1.3M | $12.7M | —Held | Q2 2026 | |
| 4 | Picton Mahoney Asset Management | 1.1M | $11.3M | ▲+1.5% Added · +17K sh | Q2 2026 | |
| 5 | AQR Arbitrage LLC | 1.1M | $11.2M | ▲+0.8% Added · +9K sh | Q2 2026 | |
| 6 | Tenor Capital Management Co., L.P. | 1.1M | $11.1M | —Held | Q2 2026 | |
| 7 | Polar Asset Management Partners Inc. | 1.1M | $11.1M | —Held | Q2 2026 | |
| 8 | Linden Advisors LP | 1.1M | $11.1M | —Held | Q1 2026 | |
| 9 | Magnetar Financial LLC | 1.1M | $11.1M | —Held | Q2 2026 | |
| 10 | HighTower Advisors, LLC | 1.1M | $10.9M | ▼−4.5% Reduced · −51K sh | Q1 2026 | |
| 11 | Adage Capital Partners GP, L.L.C. | 1.0M | $10.1M | —Held | Q1 2026 | |
| 12 | Two Sigma Investments, LP | 994K | $10.0M | —Held | Q1 2026 | |
| 13 | Meteora Capital, LLC | 987K | $10.0M | ▼−21% Reduced · −266K sh | Q2 2026 | |
| 14 | Healthcare Of Ontario Pension Plan Trust Fund | 850K | $8.6M | ▼−23% Reduced · −250K sh | Q1 2026 | |
| 15 | Verition Fund Management LLC | 842K | $8.5M | —Held | Q2 2026 | |
| 16 | Context Capital Management, LLC | 791K | $8.0M | —Held | Q2 2026 | |
| 17 | Radcliffe Capital Management, L.P. | 669K | $6.8M | ▲+4.7% Added · +30K sh | Q2 2026 | |
| 18 | Hudson Bay Capital Management LP | 600K | $6.1M | —Held | Q2 2026 | |
| 19 | Wealthspring Capital LLC | 517K | $5.2M | ▼−5.8% Reduced · −32K sh | Q2 2026 | |
| 20 | Shaolin Capital Management LLC | 424K | $4.3M | ▼−11% Reduced · −51K sh | Q2 2026 | |
| 21 | BNP Paribas Financial Markets | 401K | $4.0M | ▲+12% Added · +43K sh | Q1 2026 | |
| 22 | First Trust Capital Management L.P. | 400K | $4.0M | —Held | Q2 2026 | |
| 23 | Rivernorth Capital Management, LLC | 399K | $4.1M | ▼−0.1% Reduced · −389 sh | Q2 2026 | |
| 24 | Periscope Capital Inc. | 375K | $3.8M | —Held | Q2 2026 | |
| 25 | Aristeia Capital, L.L.C. | 350K | $3.5M | —Held | Q2 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, 4 funds opened a new position in MBVI and 8 added to an existing one, while 5 reduced. 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 | Their position there |
|---|---|---|
| Cantor Equity Partners-CL ACEPF | 41 funds | $211.2M |
| Trailblazer Acquisition-CL ABLZR | 39 funds | $168.8M |
| Cantor Equity Partners-CL ACEPV | 39 funds | $137.4M |
| Eqv Ventures Acquisition C-AEVAC | 36 funds | $266.8M |
| Futurecrest Acquisition-CL AFCRS | 36 funds | $98.2M |
| Crane Harbor Acquisitio-CL ACRAN | 35 funds | $220.3M |
| Pioneer Acquisition I-CL APACH | 35 funds | $141.6M |
| Meshflow Acquisition Co-CL AMESH | 34 funds | $193.6M |
| Range Capital Acquisit CL ARNGT | 34 funds | $163.1M |
| Wen Acquisition Corp-AWENN | 34 funds | $160.2M |
| Oxley Bridge Acquisitio-CL AOBA | 34 funds | $143.9M |
| Drugs Made In America AcquisDMII | 33 funds | $263.5M |
Ranked by how many of MBVI's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MBVI.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 11 | 10 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| MBVIthis pageORDSH | 57 funds | $261.6M |
| MBVIWWarrant | 43 funds | $3.3M |
| MBVIUUnit | 13 funds | $20.2M |
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.
Connected entities for MBVI
This stock 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/MBVI/capital-change-brief"
Use Arkolith's capital_change_brief for MBVI. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MBVI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.