MBAVU · Insider trading · 13F holders · Congress trades
M3-Brigade Acquisition V-A (MBAVU)
Who is buying and selling MBAVU: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 12
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
MBAVU at a glance
- No open-market insider purchases or sales of MBAVU were filed in the last 90 days.
- 12 13F filers hold MBAVU among their 50 largest positions, worth $195.3M combined, including Boaz Weinstein. The biggest bets by portfolio weight are Bck Capital Management LP (18.2%), SkyView Investment Advisors, LLC (4.9%) and Crossingbridge Advisors, LLC (2.8%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in MBAVU.
MBAVU insider trading
No open-market insider purchases or sales of MBAVU were filed in the last 90 days.
Who owns MBAVU? Hedge funds and superinvestors
12 13F filers hold MBAVU among their 50 largest positions, worth $195.3M combined, including Boaz Weinstein. The biggest bets by portfolio weight are Bck Capital Management LP (18.2%), SkyView Investment Advisors, LLC (4.9%) and Crossingbridge Advisors, LLC (2.8%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Superinvestors holding MBAVU: Boaz Weinstein 0.5%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Polar Asset Management Partners Inc.Hedge fund | 1.0% | $41.3M | 3,812,849 | +0.0% shares | Q2 2026 |
| Jain Global LLCHedge fund | 0.4% | $30.8M | 2,846,250 | — | Q2 2026 |
| Meteora Capital, LLCHedge fund | 2.5% | $30.5M | 2,816,473 | -27.6% shares | Q2 2026 |
| AQR Arbitrage LLCHedge fund | 0.3% | $19.5M | 1,800,000 | — | Q2 2026 |
| Boaz WeinsteinHedge fund | 0.5% | $17.2M | 1,585,000 | +0.0% shares | Q2 2026 |
| Berkley W R CorpInsurance company | 0.8% | $15.5M | 1,429,725 | +48.4% shares | Q2 2026 |
| Crossingbridge Advisors, LLCMutual fund manager | 2.8% | $15.1M | 1,390,442 | +0.0% shares | Q2 2026 |
| Shay Capital LLCAsset manager | 1.2% | $10.8M | 1,000,000 | +0.0% shares | Q2 2026 |
| SkyView Investment Advisors, LLCInstitutional asset manager | 4.9% | $6.3M | 581,396 | — | Q2 2026 |
| Bck Capital Management LPHedge fund | 18.2% | $4.2M | 388,000 | +0.0% shares | Q1 2026 |
| RiverPark Advisors, LLCMutual fund manager | 1.6% | $3.2M | 294,172 | +0.0% shares | Q2 2026 |
| Helix Partners Management LPHedge fund | 0.3% | $1000K | 300,300 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 11, Q1 2026: 1). Screen MBAVU in the grand portfolio →
MBAVU stock trades by members of Congress
No member of Congress has disclosed a trade in MBAVU.
MBAVU questions and answers
Are insiders buying MBAVU stock?
No open-market insider purchases or sales of MBAVU were filed in the last 90 days.
Which hedge funds own MBAVU?
12 13F filers hold MBAVU among their 50 largest positions, worth $195.3M combined, including Boaz Weinstein. The biggest bets by portfolio weight are Bck Capital Management LP (18.2%), SkyView Investment Advisors, LLC (4.9%) and Crossingbridge Advisors, LLC (2.8%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded MBAVU?
No member of Congress has disclosed a trade in MBAVU.
Who is the largest holder of MBAVU?
Among 13F filers, Polar Asset Management Partners Inc. reports the largest MBAVU position, $41.3M (3,812,849 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Bck Capital Management LP's: 18.2% of its portfolio.
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