Ticker · CUSIP 58039P305
Holders (tracked)
14
Combined shares
3,165,425
Combined value
$58.27M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
SEC event timeline
13 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−657,901 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−244,703 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−368,761 shares · 2025Q413F
- Steve Cohen (Point72) exited2026-02-17−38,592 shares · 2025Q413F
- +319,982 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+345,174 shares · 2025Q413F
- −323,772 shares · 2025Q313F
- Steve Cohen (Point72) trimmed2025-11-14−4,401 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−21,850 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+93,471 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−276,020 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−31,768 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−56,200 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 positions1
- Paul Tudor Jones (Tudor Investment)+319,982$5.9M
Added to1
- Two Sigma Investments+345,174$6.4M
Trimmed3
- Ken Griffin (Citadel Advisors)−657,901$12.2M
- Izzy Englander (Millennium Mgmt)−368,761$6.8M
- D.E. Shaw & Co.−244,703$4.5M
Exited1
- Steve Cohen (Point72)−38,592$660K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q3 | 7 | $4K |
| 2022Q4 | 7 | $4.3M |
| 2023Q1 | 7 | $7.7M |
| 2023Q2 | 8 | $12.0M |
| 2023Q3 | 7 | $8.7M |
| 2023Q4 | 7 | $15.0M |
| 2024Q1 | 8 | $21.3M |
| 2024Q2 | 12 | $30.7M |
| 2024Q3 | 12 | $23.6M |
| 2024Q4 | 9 | $15.3M |
| 2025Q1 | 9 | $17.1M |
| 2025Q2 | 10 | $30.4M |
| 2025Q3 | 10 | $50.8M |
| 2025Q4 | 14 | $58.3M |
Who owns MUX
14 super-investors · 2025Q4
Tracked stake
3.17M
shares
Combined value
$58M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added1Trim7Sold2Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 721.4K | $13M |
| 2 | Ken Griffin Citadel Advisors | 503.6K | $9M |
| 3 | D.E. Shaw & Co. | 364.2K | $7M |
| 4 | Paul Tudor Jones Tudor Investment | 320.0K | $6M |
| 5 | Steve Cohen Point72 | 301.8K | $6M |
| 6 | D.E. Shaw & Co. | 240.6K | $4M |
| 7 | Ken Griffin Citadel Advisors | 217.2K | $4M |
| 8 | Steve Cohen Point72 | 182.1K | $3M |
| 9 | Ken Griffin Citadel Advisors | 134.8K | $2M |
| 10 | Paul Tudor Jones Tudor Investment | 63.9K | $1M |
| 11 | Izzy Englander Millennium Mgmt | 42.0K | $779K |
| 12 | Izzy Englander Millennium Mgmt | 30.0K | $555K |
| 13 | Paul Tudor Jones Tudor Investment | 26.2K | $485K |
| 14 | T. Rowe Price | 17.6K | $327 |
Recent moves
20 transactions
- TRIMD.E. Shaw & Co.−244,703 · 2025Q4
- −368,761 · 2025Q4
- +345,174 · 2025Q4
- +319,982 · 2025Q4
- −657,901 · 2025Q4
- −38,592 · 2025Q4
- −323,772 · 2025Q3
- −276,020 · 2025Q3
- −4,401 · 2025Q3
- +93,471 · 2025Q3
- −21,850 · 2025Q3
- −31,768 · 2025Q3
- −56,200 · 2024Q3
- −60,956 · 2025Q2
- +239,358 · 2025Q2
- +121,472 · 2025Q2
- +580,837 · 2025Q2
- +42,993 · 2025Q2
- TRIMT. Rowe Price−285 · 2025Q2
- −23,142 · 2025Q2
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