Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MBAV held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | METEORA CAPITAL, LLC | 3.9M | $41.8M | 0.0% | 13.527% | 3.08% |
| 2 | Polar Asset Management Partners Inc. | 3.8M | $40.9M | +117.0% | 13.262% | 0.91% |
| 3 | Jain Global LLC | 2.8M | $30.6M | +1334.0% | 9.900% | 0.15% |
| 4 | Alberta Investment Management Corp | 2.5M | $26.6M | 0.0% | 8.609% | 0.17% |
| 5 | Saba Capital Management, L.P. | 1.6M | $17.0M | +11039.2% | 5.513% | 0.57% |
| 6 | Crossingbridge Advisors, LLC | 1.4M | $14.9M | — | 4.836% | 2.70% |
| 7 | LMR Partners LLP | 1.4M | $14.5M | 0.0% | 4.705% | 0.11% |
| 8 | NOMURA HOLDINGS INC | 1.0M | $10.9M | — | 3.541% | 0.04% |
| 9 | Alyeska Investment Group, L.P. | 1.0M | $10.7M | — | 3.478% | 0.03% |
| 10 | Shay Capital LLC | 1.0M | $10.7M | — | 3.478% | 0.93% |
| 11 | BERKLEY W R CORP | 964K | $10.3M | -3.3% | 3.352% | 0.56% |
| 12 | TORONTO DOMINION BANK | 723K | $7.8M | -21.4% | 2.515% | 0.01% |
| 13 | BOOTHBAY FUND MANAGEMENT, LLC | 630K | $6.8M | -1.0% | 2.191% | 0.17% |
| 14 | MMCAP International Inc. SPC | 550K | $5.9M | +37.5% | 1.913% | 0.51% |
| 15 | HEIGHTS CAPITAL MANAGEMENT, INC | 500K | $5.4M | — | 1.739% | 1.50% |
| 16 | Harraden Circle Investments, LLC | 500K | $5.4M | 0.0% | 1.739% | 1.08% |
| 17 | BCK CAPITAL MANAGEMENT LP | 388K | $4.2M | 0.0% | 1.350% | 18.15% |
| 18 | Feynman Point Asset Management LLC | 300K | $3.2M | 0.0% | 1.043% | 11.09% |
| 19 | RiverPark Advisors, LLC | 294K | $3.2M | — | 1.023% | 1.14% |
| 20 | Magnetar Financial LLC | 269K | $2.9M | 0.0% | 0.936% | 0.03% |
| 21 | Quarry LP | 146K | $1.6M | +7336.3% | 0.509% | 0.30% |
| 22 | WHITEBOX ADVISORS LLC | 130K | $1.4M | 0.0% | 0.452% | 0.02% |
| 23 | Clear Street Group Inc. | 102K | $1.1M | -2.4% | 0.356% | 0.00% |
| 24 | HGC Investment Management Inc. | 101K | $1.1M | 0.0% | 0.350% | 0.24% |
| 25 | PERISCOPE CAPITAL INC. | 100K | $1.1M | -25.9% | 0.348% | 0.19% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MBAV — a direct measure of their conviction.
Filings activity in MBAV during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MBAV position in Q1 2026
Institutions that fully closed their MBAV position in Q1 2026
7 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 48 | 2.0% | 103.47% | 3.88 pp | $290M | 3.6% |
| Q4 2025 | 49 | 20% | 107.35% | +9.05 pp | $301M | +9.2% |
| Q3 2025 | 61 | +0.0% | 98.30% | +7.26 pp | $276M | +8.0% |
| Q2 2025 | 61 | +49% | 91.04% | +22.11 pp | $255M | +32% |
| Q1 2025 | 41 | +2.5% | 68.93% | +3.39 pp | $193M | +5.2% |
| Q4 2024 | 40 | +135% | 65.54% | +35.61 pp | $184M | +119% |
| Q3 2024 | 17 | — | 29.93% | — | $84M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MBAV stock.
Based on Q1 2026 13F filings, institutional ownership of M3-Brigade Acquisition V Corp. Class A Ordinary shares stands at 103.5%, held across 48 reporting institutions.
METEORA CAPITAL, LLC is the largest reported institutional holder of MBAV, with approximately 3,889,047 shares worth $0.04B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MBAV.
Our composite Smart Money Score for MBAV is 22 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
8 institutions opened new positions in MBAV during Q1 2026, while 9 fully exited. 27 added to existing positions and 13 trimmed.
MBAV institutional ownership fell by 3.88 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 75.4% of all reported 13F value in MBAV, and the top 25 account for 96.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.