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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

MBI

MBIA INC

Superinvestors

Institutional investors holding MBI

Consensus →
InvestorFundWeightSharesValueQuarter
Kahn Brothers GroupKahn Brothers Group2.15%2,056,434$12.2M2026Q1
Thomas GaynerMarkel Group2.00%635,765$38.8M2007Q3
Third Avenue ManagementThird Avenue Management0.84%125,624$2.2B2004Q3
William Von MuefflingCantillon Capital Management0.75%689,041$42.1M2007Q3
David KatzMatrix Asset Advisors0.30%21,010$1.6M2000Q4
Tweedy Browne Co.Tweedy Browne Value Fund0.18%75,273$4.6M2007Q3
Bill AckmanPershing Square Capital Management0.16%873,000$3.8M2008Q2
Bill MillerMiller Value Partners0.02%67,600$723K2018Q3
David EinhornGreenlight Capital0.01%12,880$157K2008Q1
Bill NygrenOakmark Select Fund – Harris Associates0.01%9,300$568K2007Q3
Dodge & CoxDodge & Cox0.00%18,825$1.1M2007Q3
Christopher DavisDavis Selected Advisers0.00%0$1.4M2009Q3
Ruane CunniffSequoia Fund0.00%5,100$302K2003Q4

Congressional Activity

Congressional data coming soon

Insider Activity

10

Total trades

$2.7M

Volume

8

Buys

2

Sells

Last trade: May 12, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 12, 2026Steven J GilbertBuy$100K
May 12, 2026Diane L DewbreyBuy$100K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.