Stock Ownership/MBI

MBIA INC (MBI): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MBI · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
12
13F filers
Aggregate Value
$13.6M
Across holders
Last Price
$4.91
2026-08-24
Sector
Financials
GICS
Quarterly fund activity5 increased7 reduced3 exited
Full exits: Point72 Asset Management, L.P., MILLENNIUM MANAGEMENT LLC, Walleye Capital LLC
Institutional Holders of MBI
↗
12 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TCW GROUP INC
CIK 0000850401
Hedge Fund1.07M$6.9M51.1%0.0%Added+$175KQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund311K$2.0M14.9%0.0%Reduced$-645KQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund298K$1.9M14.3%0.0%Reduced$-330KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund141K$919K6.8%0.0%Added+$801KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund102K$664K4.9%0.0%Reduced$-495KQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund46K$300K2.2%0.0%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund41K$267K2.0%0.0%Reduced$-54KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund32K$207K1.5%0.0%Added+$97KQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund24K$157K1.2%0.0%Added—Q2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund13K$82K0.6%0.0%Reduced$-19KQ2 2026
TCW GROUP INCAdded
Hedge Fund
$6.9M· 51.1% of total· 0.0% port· 1.07M sh· +$175K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$2.0M· 14.9% of total· 0.0% port· 311K sh· $-645K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$1.9M· 14.3% of total· 0.0% port· 298K sh· $-330K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$919K· 6.8% of total· 0.0% port· 141K sh· +$801K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$664K· 4.9% of total· 0.0% port· 102K sh· $-495K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$300K· 2.2% of total· 0.0% port· 46K sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$267K· 2.0% of total· 0.0% port· 41K sh· $-54K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$207K· 1.5% of total· 0.0% port· 32K sh· +$97K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$157K· 1.2% of total· 0.0% port· 24K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$82K· 0.6% of total· 0.0% port· 13K sh· $-19K QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$73K· 0.5% of total· 0.0% port· 11K sh· $-87K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$6K· 0.0% of total· 0.0% port· 990 sh· +$6K QoQ· Q2 2026
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