$MBI

$4.54 +$0.03 (0.67%) Close

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

Ownership

13F as of Q2 2026 · 51.0M shares outstanding

Who owns MBI?

By type of holder

Institutions 54.3% Insiders 11.4% Everyone else 34.3%

Concentration Top 10 holders own 42.5%

Kahn Brothers Group Inc 8.3% · BlackRock, Inc. 7.2%

Institutional ownership

54.3%

+3.6 pts vs last qtr

Institutional holders

129

-5 vs last qtr

Net shares bought

+1.8M

by institutions in Q2 2026

New / sold out

16 / 21

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Kahn Brothers Group Inc +2.2M
Cerity Partners LLC +655.2K

Biggest sellers in Q2 2026

Wolf Hill Capital Management, LP −427.5K
UBS Group AG −266.3K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for MBIA Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−62.9%

−10.44% a year

Each share's claim on the business

+169.8%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$843M vs —

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+ years57% 3–5 years1% 1–3 years18% Under 1 year23%

Quarterly turnover

12.1%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MBI on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
KB Kahn Brothers Group Inc	4.2M	8.26%	+2.2M (+104.9%)	Q3 '25	4.3%
Shares held by quarter Peak holding4.2M (Q2'26) Change over 8 quarters+4.2M Share of the company8.260% Kahn Brothers Group Inc's full portfolio →
B BlackRock, Inc.	3.7M	7.20%	+280.2K (+8.3%)	≤2021	0.0%
Shares held by quarter Peak holding3.7M (Q2'26) Change over 8 quarters+195.7K Share of the company7.200% BlackRock, Inc.'s full portfolio →

Kahn Brothers Group Inc

4.2M

% of company

8.26%

Change vs last qtr

+2.2M (+104.9%)

Held since

Q3 '25

BlackRock, Inc.

3.7M

% of company

7.20%

Change vs last qtr

+280.2K (+8.3%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding MBIA Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MBI on Form N-PORT; together they hold 13.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$9.33M	1.4M	2.81%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$8.06M	1.2M	2.42%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$9.33M

% of company

2.81%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$8.06M

% of company

2.42%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding MBIA Inc 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
FW Fallon William C Insider	2.8M	5.54%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company5.540% Fallon William C's insider activity →
BA Bergonzi Adam T. Insider	943.7K	1.85%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.850% Bergonzi Adam T.'s insider activity →

Fallon William C

Insider

2.8M

% of company

5.54%

Change vs last qtr

—

Held since

—

Bergonzi Adam T.

Insider

943.7K

% of company

1.85%

Change vs last qtr

—

Held since

—

8 more holders behind a free account

See every insider and 5%+ holder of MBIA Inc.

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