DOSSIER · 13F Holders · Q2 2026
MBI

MBIA INC

133 institutions still hold MBIA INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55262C100·133 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$152M
visible holders
Holders
133
filers reporting
Concentration
18.09%
KAHN BROTHERS GROUP INC #1
top holder share
AI Holders Summary · Q2 2026

133 institutions reported MBI in Q2 2026. KAHN BROTHERS GROUP INC leads at 18.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
KAHN BROTHERS GROUP INC
CIK 0001039565
$27M4.2M4.34%Q2 2026
02
BlackRock, Inc.
CIK 0002012383
$24M3.7M0.00%Q2 2026
03
Wolf Hill Capital Management, LP
CIK 0001785988
$14M2.1M1.15%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$13M2.0M0.00%Q2 2026
05
VALUEWORKS LLC
CIK 0001282189
$13M2.0M2.68%Q2 2026
06
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$7M1.1M0.00%Q2 2026
07
STATE STREET CORP
CIK 0000093751
$7M1.1M0.00%Q2 2026
08
Cerity Partners LLC
CIK 0001566475
$7M1.1M0.01%Q2 2026
09
TCW GROUP INC
CIK 0000850401
$7M1.1M0.05%Q2 2026
10
Hosking Partners LLP
CIK 0001650135
$6M1.5M0.22%Q3 2026
11
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$3M503K0.00%Q2 2026
12
TORONTO DOMINION BANK
CIK 0000947263
$3M478K0.00%Q2 2026
13
Russell Investments Group, Ltd.
CIK 0001692234
$3M459K0.00%Q2 2026
14
NORTHERN TRUST CORP
CIK 0000073124· Index
$3M444K0.00%Q2 2026
15
UBS Group AG
CIK 0001610520
$3M400K0.00%Q2 2026
16
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$2M423K0.00%Q1 2026
17
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$2M376K0.00%Q2 2026
18
Chou Associates Management Inc.
CIK 0001389403
$2M321K0.97%Q2 2026
19
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$2M349K0.00%Q1 2026
20
Vanguard Portfolio Management
CIK 0002100121· Index
$2M311K0.00%Q2 2026
Page 1 of 7
113 more holders available. Log in →
Insiders at MBIA INC
Shasta Theodore →Vaughan Richard C →Fallon William C →Dewbrey Diane L →Innis-Thompson Janice L. →Gilbert Steven J →Young Christopher H. →Bergonzi Adam T. →