Ticker · CUSIP 59102M104
Holders (tracked)
5
Combined shares
1,509,734
Combined value
$2.45M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
10 events
- Two Sigma Investments added2026-02-17+233,860 shares · 2025Q413F
- +178,172 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−75,507 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+26,589 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+461,400 shares · 2025Q413F
- AQR Capital Management exited2025-11-14−129,055 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−72,341 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+193,641 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−252,310 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+48,000 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 positions2
- Ken Griffin (Citadel Advisors)+178,172$289K
- Steve Cohen (Point72)+26,589$43K
Added to2
- Renaissance Technologies+461,400$747K
- Two Sigma Investments+233,860$379K
Trimmed1
- Izzy Englander (Millennium Mgmt)−75,507$122K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q1 | 7 | $29.8M |
| 2024Q2 | 7 | $11.1M |
| 2024Q3 | 6 | $5.7M |
| 2024Q4 | 7 | $5.4M |
| 2025Q1 | 6 | $791K |
| 2025Q2 | 6 | $1.4M |
| 2025Q3 | 3 | $1.6M |
| 2025Q4 | 5 | $2.4M |
Who owns MGX
5 super-investors · 2025Q4
Tracked stake
1.51M
shares
Combined value
$2M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added2Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 628.4K | $1M |
| 2 | Two Sigma Investments | 441.4K | $715K |
| 3 | Izzy Englander Millennium Mgmt | 235.2K | $381K |
| 4 | Ken Griffin Citadel Advisors | 178.2K | $289K |
| 5 | Steve Cohen Point72 | 26.6K | $43K |
Recent moves
20 transactions
- +26,589 · 2025Q4
- +178,172 · 2025Q4
- +233,860 · 2025Q4
- −75,507 · 2025Q4
- +461,400 · 2025Q4
- −129,055 · 2025Q3
- +193,641 · 2025Q3
- −72,341 · 2025Q3
- +48,000 · 2025Q3
- −252,310 · 2025Q3
- −150,699 · 2025Q2
- SOLDT. Rowe Price−10,755 · 2025Q2
- −44,461 · 2025Q2
- +197,925 · 2025Q2
- +41,336 · 2025Q2
- +19,400 · 2025Q2
- +252,310 · 2025Q2
- +170,699 · 2025Q1
- +31,877 · 2025Q1
- −627,069 · 2025Q1
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