Ticker · CUSIP 57638P104
Holders (tracked)
9
Combined shares
3,379,536
Combined value
$35.95M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
19 events
- Ken Griffin (Citadel Advisors) added2026-02-17+74,755 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+26,921 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+132,349 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+147,019 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+5,771 shares · 2025Q4Position
- Jeremy Grantham (GMO) exited2026-02-17−17,938 shares · 2025Q4Position
- Bill Nygren (Harris / Oakmark) trimmed2026-02-17−1,521 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−18,147 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+158,500 shares · 2025Q4Position
- Mario Gabelli (GAMCO) trimmed2026-02-05−4,210 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−443,598 shares · 2025Q3Position
- Lee Ainslie (Maverick Capital) exited2025-11-14−40,293 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+4,816 shares · 2025Q3Position
- Bill Nygren (Harris / Oakmark) trimmed2025-11-14−2,165 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−110,594 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+12,643 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+60,608 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−158,800 shares · 2024Q3Position
- Mario Gabelli (GAMCO) trimmed2025-11-12−7,400 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Two Sigma Investments+132,349$1.5M
Added to5
- Renaissance Technologies+158,500$1.7M
- Izzy Englander (Millennium Mgmt)+147,019$1.6M
- Ken Griffin (Citadel Advisors)+74,755$825K
- D.E. Shaw & Co.+26,921$297K
- T. Rowe Price+5,771$64
Trimmed3
- AQR Capital Management−18,147$200K
- Mario Gabelli (GAMCO)−4,210$46K
- Bill Nygren (Harris / Oakmark)−1,521$17K
Exited1
- Jeremy Grantham (GMO)−17,938$236K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q4 | 13 | $241.2M |
| 2023Q1 | 15 | $278.5M |
| 2023Q2 | 14 | $398.9M |
| 2023Q3 | 15 | $336.7M |
| 2023Q4 | 14 | $366.4M |
| 2024Q1 | 15 | $523.5M |
| 2024Q2 | 15 | $386.7M |
| 2024Q3 | 15 | $66.4M |
| 2024Q4 | 13 | $48.5M |
| 2025Q1 | 12 | $34.8M |
| 2025Q2 | 10 | $36.9M |
| 2025Q3 | 9 | $36.3M |
| 2025Q4 | 9 | $35.9M |
Who owns MBC
9 super-investors · 2025Q4
Tracked stake
3.38M
shares
Combined value
$36M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added5Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 2.27M | $25M |
| 2 | Izzy Englander Millennium Mgmt | 225.8K | $2M |
| 3 | AQR Capital Management | 170.3K | $2M |
| 4 | Ken Griffin Citadel Advisors | 169.3K | $2M |
| 5 | Two Sigma Investments | 132.3K | $1M |
| 6 | Bill Nygren Harris / Oakmark | 108.7K | $1M |
| 7 | D.E. Shaw & Co. | 100.5K | $1M |
| 8 | Mario Gabelli GAMCO | 77.1K | $852K |
| 9 | T. Rowe Price | 123.5K | $1K |
Recent moves
20 transactions
- −18,147 · 2025Q4
- +147,019 · 2025Q4
- −17,938 · 2025Q4
- +26,921 · 2025Q4
- +5,771 · 2025Q4
- +74,755 · 2025Q4
- +132,349 · 2025Q4
- −1,521 · 2025Q4
- +158,500 · 2025Q4
- −4,210 · 2025Q4
- +4,816 · 2025Q3
- −443,598 · 2025Q3
- +12,643 · 2025Q3
- −40,293 · 2025Q3
- TRIMD.E. Shaw & Co.−110,594 · 2025Q3
- −2,165 · 2025Q3
- +60,608 · 2025Q3
- −158,800 · 2024Q3
- −7,400 · 2025Q3
- +500,383 · 2025Q2
Embed this chart
Paste this iframe anywhere to embed the live MBC chart.
<iframe src="https://openstocks.me/embed/stock/MBC" width="100%" height="480" frameborder="0" loading="lazy" title="MBC chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>