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Who owns Mbia (MBI) stock

115 funds reported Mbia (MBI) shares in their latest 13F filings, worth $159M in all. The largest holder is BlackRock ($23.9M). Last quarter 59 funds added to their stakes and 50 cut them.

Largest holders of MBI (13F)Largest holders of MBI (13F)BlackRock$23.9MVanguard Group$18.2MWolf Hill Capital Management, LP$13.8MVanguard Capital Management LLC$13.0MValueworks LLC$12.8MGeode Capital Management, LLC$7.4MState Street$7.1MCerity Partners LLC$7.1MHosking Partners LLP$6.2MRussell Investments Group$3.0M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock3,673,151$23.9Mincrease2026-06-30
Vanguard Group2,541,234$18.2Mincrease2025-12-31
Wolf Hill Capital Management, LP2,118,014$13.8Mdecrease2026-06-30
Vanguard Capital Management LLC1,991,235$13.0Mincrease2026-06-30
Valueworks LLC1,967,228$12.8Mincrease2026-06-30
Geode Capital Management, LLC1,142,258$7.4Mincrease2026-06-30
State Street1,092,959$7.1Mincrease2026-06-30
Cerity Partners LLC1,087,425$7.1Mincrease2026-06-30
Hosking Partners LLP1,456,452$6.2Mdecrease2026-09-30
Russell Investments Group459,085$3.0Mincrease2026-06-30
Northern Trust444,082$2.9Mincrease2026-06-30
UBS Group AG400,226$2.6Mdecrease2026-06-30
Charles Schwab Investment Management376,149$2.5Mincrease2026-06-30
Chou Associates Management321,000$2.1Munchanged2026-06-30
Vanguard Portfolio Management LLC311,198$2.0Mincrease2026-06-30

Mbia's latest quarter

Mbia, Q3 2026: revenue $26.0M (+73% year over year), operating margin -88.5%, net loss $23.0M, operating cash flow −$73.0M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most MBI stock?

By the latest 13F filings: BlackRock ($23.9M); Vanguard Group ($18.2M); Wolf Hill Capital Management, LP ($13.8M); Vanguard Capital Management LLC ($13.0M); Valueworks LLC ($12.8M).

What is the short interest in MBI?

2,977,852 shares were sold short at the 2026-10-15 settlement, 2.14% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.