Ticker · CUSIP 56117J100
Holders (tracked)
10
Combined shares
2,278,897
Combined value
$63.86M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−6,217 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−11,137 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+36,589 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) exited2026-02-17−6,507 shares · 2025Q413F
- T. Rowe Price added2026-02-17+1,129 shares · 2025Q413F
- Wellington Management added2026-02-17+359,550 shares · 2025Q413F
- Jeremy Grantham (GMO) trimmed2026-02-17−216,614 shares · 2025Q413F
- AQR Capital Management added2026-02-17+15,673 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−13,400 shares · 2025Q413F
- AQR Capital Management added2025-11-14+11,594 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+49,052 shares · 2025Q313F
- Wellington Management added2025-11-14+67,682 shares · 2025Q313F
- +6,507 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+5,347 shares · 2025Q313F
- T. Rowe Price added2025-11-14+642 shares · 2025Q313F
- Jeremy Grantham (GMO) trimmed2025-11-13−209,764 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+2,000 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to4
- Wellington Management+359,550$10.1M
- Two Sigma Investments+36,589$1.0M
- AQR Capital Management+15,673$442K
- T. Rowe Price+1,129$32
Trimmed4
- Jeremy Grantham (GMO)−216,614$6.1M
- Renaissance Technologies−13,400$378K
- D.E. Shaw & Co.−11,137$314K
- Ken Griffin (Citadel Advisors)−6,217$175K
Exited1
- Izzy Englander (Millennium Mgmt)−6,507$211K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 8 | $118.1M |
| 2022Q2 | 9 | $122.9M |
| 2022Q3 | 11 | $97K |
| 2022Q4 | 10 | $87.8M |
| 2023Q1 | 11 | $101.3M |
| 2023Q2 | 12 | $103.7M |
| 2023Q3 | 13 | $94.7M |
| 2023Q4 | 9 | $107.9M |
| 2024Q1 | 10 | $104.1M |
| 2024Q2 | 10 | $119.0M |
| 2024Q3 | 11 | $101.0M |
| 2024Q4 | 9 | $36.0M |
| 2025Q1 | 9 | $80.5M |
| 2025Q2 | 10 | $69.7M |
| 2025Q3 | 11 | $70.1M |
| 2025Q4 | 10 | $63.9M |
Who owns MBUU
10 super-investors · 2025Q4
Tracked stake
2.28M
shares
Combined value
$64M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 1.69M | $48M |
| 2 | Jeremy Grantham GMO | 279.4K | $8M |
| 3 | Two Sigma Investments | 93.2K | $3M |
| 4 | Ken Griffin Citadel Advisors | 46.9K | $1M |
| 5 | AQR Capital Management | 40.8K | $1M |
| 6 | D.E. Shaw & Co. | 38.0K | $1M |
| 7 | Renaissance Technologies | 37.3K | $1M |
| 8 | Ken Griffin Citadel Advisors | 22.8K | $643K |
| 9 | Ken Griffin Citadel Advisors | 17.1K | $482K |
| 10 | T. Rowe Price | 15.3K | $433 |
Recent moves
20 transactions
- +15,673 · 2025Q4
- −6,507 · 2025Q4
- +36,589 · 2025Q4
- +359,550 · 2025Q4
- −6,217 · 2025Q4
- +1,129 · 2025Q4
- −216,614 · 2025Q4
- TRIMD.E. Shaw & Co.−11,137 · 2025Q4
- −13,400 · 2025Q4
- +49,052 · 2025Q3
- +642 · 2025Q3
- +5,347 · 2025Q3
- +6,507 · 2025Q3
- +67,682 · 2025Q3
- +11,594 · 2025Q3
- +2,000 · 2025Q3
- −209,764 · 2025Q3
- +7,600 · 2025Q2
- −341,092 · 2025Q2
- TRIMD.E. Shaw & Co.−343 · 2025Q2
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