Among active 13F managers last quarter, 2 opened and 4 added, while 4 reduced; the largest holder to move was Highbridge Capital Management LLC (+23%). No recent Form 4 insider filings for MBVIW.
Funds lean in and no leg opposes.
43 tracked 13F filers disclose a position in MBVIW as of the latest SEC 13F filings, a combined $3.1M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Highbridge Capital Management LLC | 658K | $250K | ▲+23% Added · +125K sh | Q2 2026 | |
| 2 | Alberta Investment Management Corp | 483K | $193K | —Held | Q2 2026 | |
| 3 | Verition Fund Management LLC | 474K | $189K | —Held | Q2 2026 | |
| 4 | Peak6 LLC | 449K | $180K | ▲+7.7% Added · +32K sh | Q2 2026 | |
| 5 | Shaolin Capital Management LLC | 402K | $161K | ▼−15% Reduced · −68K sh | Q2 2026 | |
| 6 | AQR Arbitrage LLC | 381K | $145K | —Held | Q2 2026 | |
| 7 | Polar Asset Management Partners Inc. | 372K | $149K | ▲+1.5% Added · +5K sh | Q2 2026 | |
| 8 | Picton Mahoney Asset Management | 367K | $147K | —Held | Q2 2026 | |
| 9 | Tenor Capital Management Co., L.P. | 367K | $147K | —Held | Q2 2026 | |
| 10 | Linden Advisors LP | 367K | $127K | —Held | Q1 2026 | |
| 11 | Healthcare Of Ontario Pension Plan Trust Fund | 367K | $117K | —Held | Q1 2026 | |
| 12 | Magnetar Financial LLC | 367K | $147K | —Held | Q2 2026 | |
| 13 | Context Capital Management, LLC | 264K | $106K | —Held | Q2 2026 | |
| 14 | Adage Capital Partners GP, L.L.C. | 219K | $75K | ▼−1.6% Reduced · −4K sh | Q1 2026 | |
| 15 | CSS LLC | 207K | $83K | —Held | Q2 2026 | |
| 16 | Parallax Volatility Advisers, L.P. | 200K | $80K | ▼−14% Reduced · −32K sh | Q2 2026 | |
| 17 | Radcliffe Capital Management, L.P. | 192K | $75K | —Held | Q2 2026 | |
| 18 | Wealthspring Capital LLC | 185K | $74K | —Held | Q2 2026 | |
| 19 | Hudson Bay Capital Management LP | 183K | $73K | —Held | Q2 2026 | |
| 20 | Periscope Capital Inc. | 181K | $72K | —Held | Q2 2026 | |
| 21 | Rivernorth Capital Management, LLC | 133K | $47K | —Held | Q2 2026 | |
| 22 | BNP Paribas Financial Markets | 119K | $41K | —Held | Q1 2026 | |
| 23 | Aristeia Capital, L.L.C. | 117K | $46K | —Held | Q2 2026 | |
| 24 | Lineage Point Capital LP | 100K | $40K | ▲+75% Added · +43K sh | Q2 2026 | |
| 25 | Gabelli & Co Investment Advisers, Inc. | 90K | $36K | —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. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 2 funds opened a new position in MBVIW and 4 added to an existing one, while 4 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 | 34 funds | $147.9M |
| M3-Brigade Acquisition-CL AMBVI | 33 funds | $181.8M |
| Crane Harbor Acquisitio-CL ACRAN | 30 funds | $179.6M |
| Cantor Equity Partners-CL ACEPV | 30 funds | $101.4M |
| Drugs Made In America Acq-RTDMIIR | 30 funds | $1.6M |
| Trailblazer Acquisition-CL ABLZR | 29 funds | $115.8M |
| Futurecrest Acquisition-CL AFCRS | 29 funds | $76.8M |
| Oxley Bridge Acq Ltd -30OBAWW | 29 funds | $1.7M |
| Crane Harbor Acquisition-RTSCRANR | 28 funds | $3.6M |
| Evolution Global AcquisitionEVOXW | 28 funds | $3.1M |
| Dynamix Corp IIIDNMXW | 28 funds | $1.9M |
| Eqv Ventures Acquisition C-AEVAC | 27 funds | $209.0M |
Ranked by how many of MBVIW's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MBVIW.
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 | 5 | 8 | – |
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 |
|---|---|---|
| MBVIORDSH | 57 funds | $261.6M |
| MBVIWthis pageWarrant | 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 MBVIW
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/MBVIW/capital-change-brief"
Use Arkolith's capital_change_brief for MBVIW. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for MBVIW. Filings are public domain, sourced to SEC EDGAR.