Ticker · CUSIP 580907103
Holders (tracked)
7
Combined shares
2,054,461
Combined value
$33.65M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 2.
SEC event timeline
13 events
- AQR Capital Management opened position2026-02-17+155,524 shares · 2025Q413F
- D.E. Shaw & Co. exited2026-02-17−150,000 shares · 2025Q413F
- T. Rowe Price added2026-02-17+2,743 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−499,329 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+21,751 shares · 2025Q413F
- +442,751 shares · 2025Q413F
- George Soros (Soros Fund Mgmt) exited2026-02-13−125,000 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+57,288 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+1,120,319 shares · 2025Q413F
- Two Sigma Investments opened position2025-11-14+110,470 shares · 2025Q313F
- D.E. Shaw & Co. opened position2025-11-14+150,000 shares · 2025Q313F
- T. Rowe Price opened position2025-11-14+12,563 shares · 2025Q313F
- +125,000 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 positions4
- Norges Bank (Norway SWF)+1,120,319$18.5M
- Izzy Englander (Millennium Mgmt)+442,751$7.3M
- AQR Capital Management+155,524$2.6M
- Renaissance Technologies+57,288$945K
Added to2
- Two Sigma Investments+21,751$359K
- T. Rowe Price+2,743$45
Trimmed1
- Ken Griffin (Citadel Advisors)−499,329$8.2M
Exited2
- D.E. Shaw & Co.−150,000$1.9M
- George Soros (Soros Fund Mgmt)−125,000$1.6M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q3 | 5 | $12.7M |
| 2025Q4 | 7 | $33.6M |
Who owns MH
7 super-investors · 2025Q4
Tracked stake
2.05M
shares
Combined value
$34M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added2Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 1.12M | $18M |
| 2 | Izzy Englander Millennium Mgmt | 442.8K | $7M |
| 3 | AQR Capital Management | 155.5K | $3M |
| 4 | Two Sigma Investments | 132.2K | $2M |
| 5 | Ken Griffin Citadel Advisors | 131.1K | $2M |
| 6 | Renaissance Technologies | 57.3K | $945K |
| 7 | T. Rowe Price | 15.3K | $253 |
Recent moves
13 transactions
- +155,524 · 2025Q4
- SOLDD.E. Shaw & Co.−150,000 · 2025Q4
- +2,743 · 2025Q4
- −499,329 · 2025Q4
- +21,751 · 2025Q4
- +442,751 · 2025Q4
- −125,000 · 2025Q4
- +57,288 · 2025Q4
- +1,120,319 · 2025Q4
- +110,470 · 2025Q3
- +150,000 · 2025Q3
- +12,563 · 2025Q3
- +125,000 · 2025Q3
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