Ticker · CUSIP 55933J203
Holders (tracked)
8
Combined shares
3,807,003
Combined value
$9.71M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
10 events
- Ken Griffin (Citadel Advisors) exited2026-02-17−183,005 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−26,491 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+17,359 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+34,582 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+63,495 shares · 2025Q413F
- Renaissance Technologies exited2026-02-12−97,900 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−53,660 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−5,183 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+118,276 shares · 2025Q313F
- Renaissance Technologies opened position2025-11-13+97,900 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 positions1
- Steve Cohen (Point72)+63,495$162K
Added to2
- Izzy Englander (Millennium Mgmt)+34,582$88K
- Two Sigma Investments+17,359$44K
Trimmed1
- D.E. Shaw & Co.−26,491$68K
Exited2
- Ken Griffin (Citadel Advisors)−183,005$573K
- Renaissance Technologies−97,900$306K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $4.82B |
| 2022Q2 | 12 | $3.95B |
| 2022Q3 | 11 | $2.6M |
| 2022Q4 | 12 | $40.7M |
| 2023Q1 | 13 | $36.4M |
| 2023Q2 | 14 | $53.0M |
| 2023Q3 | 14 | $40.0M |
| 2023Q4 | 13 | $39.5M |
| 2024Q1 | 12 | $28.3M |
| 2024Q2 | 12 | $23.3M |
| 2024Q3 | 11 | $20.6M |
| 2024Q4 | 10 | $18.3M |
| 2025Q1 | 8 | $13.9M |
| 2025Q2 | 8 | $15.4M |
| 2025Q3 | 9 | $12.5M |
| 2025Q4 | 8 | $9.7M |
Who owns MX
8 super-investors · 2025Q4
Tracked stake
3.81M
shares
Combined value
$10M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim1Sold2Held2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Howard Marks Oaktree Capital | 2.85M | $7M |
| 2 | Two Sigma Investments | 312.7K | $797K |
| 3 | Izzy Englander Millennium Mgmt | 288.8K | $737K |
| 4 | D.E. Shaw & Co. | 137.9K | $352K |
| 5 | Prem Watsa Fairfax Financial | 125.0K | $316K |
| 6 | Steve Cohen Point72 | 63.5K | $162K |
| 7 | Ken Griffin Citadel Advisors | 16.6K | $42K |
| 8 | Ken Griffin Citadel Advisors | 12.6K | $32K |
Recent moves
20 transactions
- +63,495 · 2025Q4
- +34,582 · 2025Q4
- TRIMD.E. Shaw & Co.−26,491 · 2025Q4
- −183,005 · 2025Q4
- +17,359 · 2025Q4
- −97,900 · 2025Q4
- +118,276 · 2025Q3
- −53,660 · 2025Q3
- −5,183 · 2025Q3
- +97,900 · 2025Q3
- −86,903 · 2025Q2
- −6,486 · 2025Q2
- +46,164 · 2025Q2
- −18,900 · 2025Q2
- −195,166 · 2025Q1
- −94,465 · 2025Q1
- SOLDD.E. Shaw & Co.−44,105 · 2025Q1
- −219,000 · 2025Q1
- −226,700 · 2024Q1
- −11,350 · 2025Q1
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