Ticker · CUSIP 566324109
Holders (tracked)
9
Combined shares
1,570,750
Combined value
$42.49M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
19 events
- Ken Griffin (Citadel Advisors) added2026-02-17+308,960 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+135,739 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+213,557 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−104,879 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+177,185 shares · 2025Q413F
- T. Rowe Price added2026-02-17+1,038 shares · 2025Q413F
- Wellington Management exited2026-02-17−325,204 shares · 2025Q413F
- +229,413 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−5,360 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+230,400 shares · 2025Q413F
- −66,945 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−15,354 shares · 2025Q313F
- AQR Capital Management added2025-11-14+43,161 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+160,566 shares · 2025Q313F
- T. Rowe Price added2025-11-14+983 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−28,171 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−55,200 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−7,692 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−84,060 shares · 2024Q313F
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 positions3
- Paul Tudor Jones (Tudor Investment)+229,413$6.3M
- Two Sigma Investments+213,557$5.8M
- Steve Cohen (Point72)+177,185$4.8M
Added to4
- Ken Griffin (Citadel Advisors)+308,960$8.4M
- Renaissance Technologies+230,400$6.3M
- D.E. Shaw & Co.+135,739$3.7M
- T. Rowe Price+1,038$28
Trimmed2
- Izzy Englander (Millennium Mgmt)−104,879$2.9M
- AQR Capital Management−5,360$146K
Exited1
- Wellington Management−325,204$9.5M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 8 | $12.43B |
| 2022Q2 | 7 | $8.34B |
| 2022Q3 | 7 | $7.4M |
| 2022Q4 | 10 | $197.5M |
| 2023Q1 | 11 | $175.5M |
| 2023Q2 | 10 | $152.3M |
| 2023Q3 | 9 | $115.1M |
| 2023Q4 | 8 | $175.0M |
| 2024Q1 | 9 | $148.4M |
| 2024Q2 | 9 | $139.6M |
| 2024Q3 | 8 | $24.8M |
| 2024Q4 | 8 | $9.5M |
| 2025Q1 | 10 | $22.7M |
| 2025Q2 | 9 | $20.8M |
| 2025Q3 | 7 | $20.5M |
| 2025Q4 | 9 | $42.5M |
Who owns MMI
9 super-investors · 2025Q4
Tracked stake
1.57M
shares
Combined value
$42M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added4Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 361.7K | $10M |
| 2 | Renaissance Technologies | 260.2K | $7M |
| 3 | Paul Tudor Jones Tudor Investment | 229.4K | $6M |
| 4 | Two Sigma Investments | 213.6K | $6M |
| 5 | D.E. Shaw & Co. | 192.1K | $5M |
| 6 | Steve Cohen Point72 | 177.2K | $5M |
| 7 | Izzy Englander Millennium Mgmt | 67.4K | $2M |
| 8 | AQR Capital Management | 55.5K | $2M |
| 9 | T. Rowe Price | 13.7K | $374 |
Recent moves
20 transactions
- −5,360 · 2025Q4
- +308,960 · 2025Q4
- +177,185 · 2025Q4
- +213,557 · 2025Q4
- −104,879 · 2025Q4
- +1,038 · 2025Q4
- −325,204 · 2025Q4
- +229,413 · 2025Q4
- +135,739 · 2025Q4
- +230,400 · 2025Q4
- −66,945 · 2025Q3
- +43,161 · 2025Q3
- TRIMD.E. Shaw & Co.−15,354 · 2025Q3
- +983 · 2025Q3
- +160,566 · 2025Q3
- −28,171 · 2025Q3
- −55,200 · 2025Q3
- −7,692 · 2025Q3
- −84,060 · 2024Q3
- −8,065 · 2025Q2
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