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Of the 3 tracked institutions holding MBVI, 2 have a 3-year clone track record — 2 of them beat the S&P. Average holder's clone alpha: +3.5pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 3 tracked institutional investors we monitor, MBVI (M3-BRIGADE ACQUISITION VI CO) is held with a combined value of $23.46M across 3,109,292 shares. The largest holder is Magnetar Financial LLC with a position worth $11.14M (0.10% of their portfolio). MILLENNIUM MANAGEMENT LLC opened a new position in the most recent quarter. 1 fund reduced its position.
Total Institutional Value
$23.46M
Total Shares Held
3,109,292
Institutional Holders
3
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $11.14M | 0.11% | - |
| 2 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $10.13M | 0.02% | - |
| 3 | MILLENNIUM MANAGEMENT LLC | $1.85M | 0.00% | - |
| 4 | Magnetar Financial LLC | $146.67K | 0.00% | - |
| 5 | MILLENNIUM MANAGEMENT LLC | $124.77K | 0.00% | New |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $59.11K | 0.00% | -32.4% |
As of the latest SEC 13F filings, Magnetar Financial LLC is the largest institutional holder of MBVI with a position worth $11.14M, representing 0.11% of their portfolio. In total, 6 institutional investors hold MBVI with a combined value of $23.46M.
In the most recent quarter, 1 fund opened a new position in MBVI. Additionally, 1 reduced their positions.
Institutional investors hold $23.46M worth of MBVI stock across 6 positions. The largest institutional holder is Magnetar Financial LLC with $11.14M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MBVI, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MBVI positions.
Last Close
$10.21
2026-08-18
YTD
+2.0%
100% of 52-week range