Ticker · CUSIP 552848103

MTG

MGIC INVT CORP WIS

Financial Services·Insurance - Specialty

···Share

Holders (tracked)

Combined shares

18,981,221

Combined value

$554.63M

Last close

$27.97

Quarter

2025Q4

Price is -4.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$27.97+4.45 (+18.93%)H $29.69 · L $22.90 · Avg Vol 2.0M

Congress buyCongress sell

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

24 events

Two Sigma Investments opened position2026-02-17
+17,462 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−338,683 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+666,022 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+2,771,533 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+2,155 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−6,249 shares · 2025Q4
Position
Jeremy Grantham (GMO) trimmed2026-02-17
−149,803 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+1,113,207 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−661,458 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) added2026-02-13
+3,619 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+3,293,922 shares · 2025Q4
Position
First Eagle Investment Management added2026-02-04
+500 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−333,510 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+2,511,658 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+489,929 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+134,423 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+12,171 shares · 2025Q3
Position
Wellington Management trimmed2025-11-14
−3,593,287 shares · 2025Q3
Position
Jeremy Grantham (GMO) trimmed2025-11-13
−77,424 shares · 2025Q3
Position
Renaissance Technologies exited2025-11-13
−77,800 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−3,443,135 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) added2025-11-13
+14,398 shares · 2025Q3
Position
First Eagle Investment Management trimmed2025-11-12
−7,407 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−36,950 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for MTG →

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.

Investor	First in	Cost basis	Return	Position value today
Wellington Management	2016Q1	$11.41	+145.1%	$4.5M
Two Sigma Investments	2016Q2	$12.93	+116.3%	$488K
T. Rowe Price	2016Q1	$14.05	+99.1%	$4.9M
First Eagle Investment Management	2021Q2	$18.17	+53.9%	$11.5M
Jeremy Grantham (GMO)	2017Q2	$18.92	+47.8%	$11.7M
Ray Dalio (Bridgewater Associates)	2022Q3	$23.05	+21.3%	$897K
AQR Capital Management	2016Q1	$24.89	+12.4%	$324.9M
D.E. Shaw & Co.	2016Q1	$26.55	+5.3%	$7.8M
Izzy Englander (Millennium Mgmt)	2016Q1	$26.92	+3.9%	$13.3M
Paul Tudor Jones (Tudor Investment)	2016Q1	$27.51	+1.7%	$31.1M
Ken Griffin (Citadel Advisors)	2016Q1	$29.20	-4.2%	$403K
Ken Griffin (Citadel Advisors)	2016Q1	$29.20	-4.2%	$403K
Ken Griffin (Citadel Advisors)	2016Q1	$29.20	-4.2%	$403K
Norges Bank (Norway SWF)	2016Q1	$374.09	-92.5%	$92.1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions3

Norges Bank (Norway SWF)
+3,293,922
$96.2M
Paul Tudor Jones (Tudor Investment)
+1,113,207
$32.5M
Two Sigma Investments
+17,462
$510K

Added to5

AQR Capital Management
+2,771,533
$81.0M
Ken Griffin (Citadel Advisors)
+666,022
$19.5M
Ray Dalio (Bridgewater Associates)
+3,619
$106K
First Eagle Investment Management
+500
$15K
T. Rowe Price
+2,155
$63

Trimmed4

D.E. Shaw & Co.
−661,458
$19.3M
Izzy Englander (Millennium Mgmt)
−338,683
$9.9M
Jeremy Grantham (GMO)
−149,803
$4.4M
Wellington Management
−6,249
$183K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	15	56,236,913	$51.20B	—
2022Q2	17	52,425,178	$53.63B	+2
2022Q3	17	58,290,307	$747.3M	—
2022Q4	17	56,725,655	$737.4M	—
2023Q1	15	48,882,489	$655.7M	-2
2023Q2	17	48,461,477	$19.69B	+2
2023Q3	17	36,709,447	$20.62B	—
2023Q4	14	36,059,702	$17.38B	-3
2024Q1	14	42,415,292	$948.4M	—
2024Q2	14	40,683,278	$876.6M	—
2024Q3	13	16,075,078	$410.7M	-1
2024Q4	12	8,613,126	$204.2M	-1
2025Q1	12	12,488,576	$308.4M	—
2025Q2	12	16,890,884	$470.2M	—
2025Q3	11	12,277,994	$348.3M	-1
2025Q4	14	18,981,221	$554.6M	+3

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-06-17	Lisa McClain	Sell	$1K – $15K	PDF ↗
2025-06-11	Lisa McClain	Buy	$1K – $15K	PDF ↗

Who owns MTG

14 super-investors · 2025Q4

Tracked stake

18.98M

Combined value

$555M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added7Trim4

#	Manager	Shares	Value	% of book	Last action
1	AQR Capital Management	11.62M	$339M	0.2%	Added+2.77M
2	Norges Bank Norway SWF	3.29M	$96M	0.0%	New+3.29M
3	Paul Tudor Jones Tudor Investment	1.11M	$33M	0.1%	New+1.11M
4	Ken Griffin Citadel Advisors	950.7K	$28M	0.0%	Added+666.0K
5	Izzy Englander Millennium Mgmt	477.0K	$14M	0.0%	Trim−338.7K
6	Jeremy Grantham GMO	418.5K	$12M	0.0%	Trim−149.8K
7	First Eagle Investment Management	412.3K	$12M	0.0%	Added+500
8	D.E. Shaw & Co.	278.4K	$8M	0.0%	Trim−661.5K
9	T. Rowe Price	176.5K	$5M	0.0%	Added+2.2K
10	Wellington Management	160.1K	$5M	0.0%	Trim−6.2K
11	Ray Dalio Bridgewater Associates	32.1K	$937K	0.0%	Added+3.6K
12	Ken Griffin Citadel Advisors	20.4K	$596K	0.0%	Added+666.0K
13	Two Sigma Investments	17.5K	$510K	0.0%	New+17.5K
14	Ken Griffin Citadel Advisors	14.4K	$421K	0.0%	Added+666.0K

Recent moves

20 transactions

NEWTwo Sigma Investments
+17,462 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−338,683 · 2025Q4
TRIMWellington Management
−6,249 · 2025Q4
TRIMJeremy Grantham (GMO)
−149,803 · 2025Q4
ADDT. Rowe Price
+2,155 · 2025Q4
TRIMD.E. Shaw & Co.
−661,458 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+666,022 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+1,113,207 · 2025Q4
ADDAQR Capital Management
+2,771,533 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+3,619 · 2025Q4
NEWNorges Bank (Norway SWF)
+3,293,922 · 2025Q4
ADDFirst Eagle Investment Management
+500 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−333,510 · 2025Q3
TRIMWellington Management
−3,593,287 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+489,929 · 2025Q3
ADDD.E. Shaw & Co.
+134,423 · 2025Q3
ADDT. Rowe Price
+12,171 · 2025Q3
ADDAQR Capital Management
+2,511,658 · 2025Q3
SOLDRenaissance Technologies
−77,800 · 2025Q3
SOLDNorges Bank (Norway SWF)
−3,443,135 · 2025Q3

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