$MTG

$28.26 -$0.40 (1.4%) Close

$MTG Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 205.1M shares outstanding

Who owns MTG?

By type of holder

Institutions 99.8% Insiders 0.2% Everyone else 0.0%

Concentration Top 10 holders own 55.8%

BlackRock, Inc. 10.7% · Vanguard Portfolio Management LLC 8.5%

Institutional ownership

99.8%

-0.2 pts vs last qtr

Institutional holders

510

-2 vs last qtr

Net shares bought

−6.7M

by institutions in Q2 2026

New / sold out

61 / 63

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +2.9M
American Century Companies Inc +1.3M

Biggest sellers in Q2 2026

Clearbridge Investments, LLC SOLD OUT −3.0M
BlackRock, Inc. −1.2M

Who is planning to sell?

Notices of proposed sale, last 12 months

$44.9M

22 notices from 6 people

Shares covered

1.6M

0.77% of the company

Arranged in advance

58%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Culver Curt S Director $17.9M
Mattke Timothy J. Officer 10b5-1 $15.3M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−45.6%

−6.54% a year

Each share's claim on the business

+83.7%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$2.93B vs $143M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years80% 3–5 years8% 1–3 years8% Under 1 year4%

Quarterly turnover

6.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MTG on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	21.9M	10.69%	−1.2M (−5.2%)	≤2021	0.0%
Shares held by quarter Peak holding26.4M (Q4'24) Change over 8 quarters−2.1M Share of the company10.690% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	17.4M	8.50%	−521.3K (−2.9%)	≤2021	0.0%
Shares held by quarter Peak holding18.0M (Q1'26) Change over 8 quarters+17.4M Share of the company8.500% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

21.9M

% of company

10.69%

Change vs last qtr

−1.2M (−5.2%)

Held since

≤2021

Vanguard Portfolio Management LLC

17.4M

% of company

8.50%

Change vs last qtr

−521.3K (−2.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding MGIC Investment Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MTG on Form N-PORT; together they hold 50.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$204M	7.2M	3.53%	0.16%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$189M	6.7M	3.27%	0.01%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$204M

% of company

3.53%

% of the fund

0.16%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$189M

% of company

3.27%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding MGIC Investment Corporation and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
CC Culver Curt S Insider	876.5K	0.43%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.430% Culver Curt S's insider activity →
MT Mattke Timothy J. Insider	843.8K	0.41%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.410% Mattke Timothy J.'s insider activity →

Culver Curt S

Insider

876.5K

% of company

0.43%

Change vs last qtr

—

Held since

—

Mattke Timothy J.

Insider

843.8K

% of company

0.41%

Change vs last qtr

—

Held since

—

17 more holders behind a free account

See every insider and 5%+ holder of MGIC Investment Corporation.

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