Ticker · CUSIP 552848103
···Share
Holders (tracked)
14
Combined shares
18,981,221
Combined value
$554.63M
Last close
$27.40
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
14142024Q12025Q4
Price is -6.2% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

24 events
  1. +17,462 shares · 2025Q4
    Position
  2. −338,683 shares · 2025Q4
    Position
  3. +666,022 shares · 2025Q4
    Position
  4. +2,771,533 shares · 2025Q4
    Position
  5. +2,155 shares · 2025Q4
    Position
  6. −6,249 shares · 2025Q4
    Position
  7. −149,803 shares · 2025Q4
    Position
  8. +1,113,207 shares · 2025Q4
    Position
  9. −661,458 shares · 2025Q4
    Position
  10. +3,619 shares · 2025Q4
    Position
  11. +3,293,922 shares · 2025Q4
    Position
  12. +500 shares · 2025Q4
    Position
  13. −333,510 shares · 2025Q3
    Position
  14. +2,511,658 shares · 2025Q3
    Position
  15. +489,929 shares · 2025Q3
    Position
  16. +134,423 shares · 2025Q3
    Position
  17. +12,171 shares · 2025Q3
    Position
  18. −3,593,287 shares · 2025Q3
    Position
  19. −77,424 shares · 2025Q3
    Position
  20. −77,800 shares · 2025Q3
    Position
  21. −3,443,135 shares · 2025Q3
    Position
  22. +14,398 shares · 2025Q3
    Position
  23. −7,407 shares · 2025Q3
    Position
  24. −36,950 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of MTG…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Wellington Management2016Q1$11.41+140.1%$4.4M
Two Sigma Investments2016Q2$12.93+111.9%$478K
T. Rowe Price2016Q1$14.05+95.0%$4.8M
First Eagle Investment Management2021Q2$18.17+50.8%$11.3M
Jeremy Grantham (GMO)2017Q2$18.92+44.8%$11.5M
Ray Dalio (Bridgewater Associates)2022Q3$23.05+18.9%$879K
AQR Capital Management2016Q1$24.89+10.1%$318.3M
D.E. Shaw & Co.2016Q1$26.55+3.2%$7.6M
Izzy Englander (Millennium Mgmt)2016Q1$26.92+1.8%$13.1M
Paul Tudor Jones (Tudor Investment)2016Q1$27.51-0.4%$30.5M
Ken Griffin (Citadel Advisors)2016Q1$29.20-6.2%$395K
Ken Griffin (Citadel Advisors)2016Q1$29.20-6.2%$395K
Ken Griffin (Citadel Advisors)2016Q1$29.20-6.2%$395K
Norges Bank (Norway SWF)2016Q1$374.09-92.7%$90.3M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions3
Trimmed4
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
15
$51.20B
2022Q2
17
$53.63B
2022Q3
17
$747.3M
2022Q4
17
$737.4M
2023Q1
15
$655.7M
2023Q2
17
$19.69B
2023Q3
17
$20.62B
2023Q4
14
$17.38B
2024Q1
14
$948.4M
2024Q2
14
$876.6M
2024Q3
13
$410.7M
2024Q4
12
$204.2M
2025Q1
12
$308.4M
2025Q2
12
$470.2M
2025Q3
11
$348.3M
2025Q4
14
$554.6M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-06-17Lisa McClainSell$1K – $15KPDF ↗
2025-06-11Lisa McClainBuy$1K – $15KPDF ↗

Who owns MTG

14 super-investors · 2025Q4
Tracked stake
18.98M
shares
Combined value
$555M
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added7Trim4
#ManagerSharesValue
1AQR Capital Management11.62M$339M
2Norges Bank
Norway SWF
3.29M$96M
3Paul Tudor Jones
Tudor Investment
1.11M$33M
4Ken Griffin
Citadel Advisors
950.7K$28M
5Izzy Englander
Millennium Mgmt
477.0K$14M
6Jeremy Grantham
GMO
418.5K$12M
7First Eagle Investment Management412.3K$12M
8D.E. Shaw & Co.278.4K$8M
9T. Rowe Price176.5K$5M
10Wellington Management160.1K$5M
11Ray Dalio
Bridgewater Associates
32.1K$937K
12Ken Griffin
Citadel Advisors
20.4K$596K
13Two Sigma Investments17.5K$510K
14Ken Griffin
Citadel Advisors
14.4K$421K

Recent moves

20 transactions
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