Ticker · CUSIP 55939A107
Holders (tracked)
7
Combined shares
2,271,388
Combined value
$33.92M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 5 quarters.
SEC event timeline
12 events
- D.E. Shaw & Co. added2026-02-17+546,484 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+308,956 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+138,396 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+75,670 shares · 2025Q413F
- T. Rowe Price added2026-02-17+13,576 shares · 2025Q413F
- +155,016 shares · 2025Q413F
- AQR Capital Management exited2025-11-14−37,099 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−511,171 shares · 2025Q313F
- Steve Cohen (Point72) added2025-11-14+8,914 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−196,595 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,040 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−40,433 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
- Paul Tudor Jones (Tudor Investment)+155,016$2.3M
Added to5
- D.E. Shaw & Co.+546,484$8.3M
- Izzy Englander (Millennium Mgmt)+308,956$4.7M
- Steve Cohen (Point72)+138,396$2.1M
- Ken Griffin (Citadel Advisors)+75,670$1.1M
- T. Rowe Price+13,576$206
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q4 | 13 | $50.1M |
| 2025Q1 | 8 | $39.2M |
| 2025Q2 | 9 | $17.0M |
| 2025Q3 | 7 | $12.5M |
| 2025Q4 | 7 | $33.9M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-02-12 | Thomas H. Kean | Sell | $1K – $15K | PDF ↗ |
Who owns MAGN
7 super-investors · 2025Q4
Tracked stake
2.27M
shares
Combined value
$34M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 805.7K | $12M |
| 2 | Ken Griffin Citadel Advisors | 550.4K | $8M |
| 3 | Izzy Englander Millennium Mgmt | 518.0K | $8M |
| 4 | Steve Cohen Point72 | 173.4K | $3M |
| 5 | Paul Tudor Jones Tudor Investment | 155.0K | $2M |
| 6 | Ken Griffin Citadel Advisors | 37.6K | $569K |
| 7 | T. Rowe Price | 31.3K | $474 |
Recent moves
20 transactions
- +308,956 · 2025Q4
- +546,484 · 2025Q4
- +75,670 · 2025Q4
- +138,396 · 2025Q4
- +13,576 · 2025Q4
- +155,016 · 2025Q4
- −511,171 · 2025Q3
- TRIMD.E. Shaw & Co.−196,595 · 2025Q3
- −37,099 · 2025Q3
- +1,040 · 2025Q3
- +8,914 · 2025Q3
- −40,433 · 2025Q3
- TRIMD.E. Shaw & Co.−296,748 · 2025Q2
- −463,763 · 2025Q2
- +18,656 · 2025Q2
- +16,661 · 2025Q2
- −26,407 · 2025Q2
- +13,473 · 2025Q2
- +40,433 · 2025Q2
- −48,000 · 2025Q1
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