MBIA Ownership | Who Owns MBIA?

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MBIA Ownership Summary

MBIA is owned by 10.92% institutional investors, 10.42% insiders, and 78.65% retail investors. Blackrock is the largest institutional shareholder, holding 7.10% of MBI shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.84% of its assets in MBIA shares.

MBI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MBIA	10.92%	10.42%	78.65%
Sector	Financial Services Stocks	36.95%	15.48%	47.58%
Industry	Specialty Insurance Stocks	43.00%	13.05%	43.95%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	3.32M	7.10%	$18.24M
Blackrock funding, inc. /de	3.34M	6.75%	$24.92M
Vanguard group	2.51M	5.06%	$18.69M
Wolf hill capital management, lp	2.45M	4.95%	$18.25M
Valueworks	2.07M	4.18%	$15.42M
Hosking partners llp	1.55M	3.13%	$11.56M
State street	1.07M	2.17%	$8.01M
Geode capital management	1.07M	2.16%	$7.96M
Tcw group	1.04M	2.10%	$7.74M
Kahn brothers group	1.03M	2.08%	$7.67M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Valueworks	2.07M	4.49%	$15.42M
Wolf hill capital management, lp	2.45M	1.67%	$18.25M
Kahn brothers group	1.03M	1.44%	$7.67M
Chou associates management	321.00K	1.15%	$2.39M
Alta fundamental advisers	148.66K	0.47%	$1.11M
Hosking partners llp	1.55M	0.42%	$11.56M
Philadelphia financial management of san francisco	211.53K	0.18%	$1.58M
Pharvision advisers	28.71K	0.12%	$213.90K
Jtc employer solutions trustee	180.00K	0.11%	$1.34M
Gsa capital partners llp	133.72K	0.08%	$996.00K

Top Buyers

Holder	Shares	% Assets	Change
Kahn brothers group	1.03M	1.44%	1.03M
Ubs group	1.03M	0.00%	432.91K
Bank of america corp /de/	630.89K	0.00%	342.14K
Susquehanna group, llp	490.44K	0.00%	308.58K
Jane street group	321.43K	0.00%	224.68K

Top Sellers

Holder	Shares	% Assets	Change
Newtyn management	-	-	-1.88M
Millennium management	47.70K	0.00%	-498.24K
Marshall wace, llp	-	-	-416.96K
Cresset asset management	-	-	-415.27K
Dimensional fund advisors lp	-	-	-275.58K

New Positions

Holder	Shares	% Assets	Change	Value
Kahn brothers group	1.03M	1.44%	1.03M	$7.67M
Philadelphia financial management of san francisco	211.53K	0.18%	211.53K	$1.58M
Alta fundamental advisers	148.66K	0.47%	148.66K	$1.11M
Cerity partners	104.05K	0.00%	104.05K	$775.13K
Aqr capital management	75.37K	0.00%	75.37K	$413.80K

Sold Out

Holder	Change
Gamma investing	-8.00
Nelson, van denburg & campbell wealth management group	-11.00
Capital performance advisors llp	-11.00
Smartleaf asset management	-34.00
Coldstream capital management	-48.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	32	-70.09%	5,411,920	-75.65%	10	0.54%	11	-77.55%	6	-81.25%
Jun 30, 2025	113	-9.60%	23,422,856	-4.64%	47	1.83%	50	11.11%	35	-28.57%
Mar 31, 2025	124	-7.46%	24,528,831	-3.15%	50	1.80%	45	-23.73%	48	26.32%
Dec 31, 2024	132	11.86%	25,326,788	5.73%	53	2.10%	59	1.72%	38	22.58%
Sep 30, 2024	118	-6.35%	23,954,739	-18.14%	50	1.29%	58	-	31	-27.91%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.44M	2.84%	-31.63K
Vanguard US Total Market Shares ETF	1.38M	2.72%	-
iShares Russell 2000 ETF	1.12M	2.21%	-
Vanguard Institutional Extnd Mkt Idx Tr	482.41K	0.96%	-219.82K
Fidelity Small Cap Index	453.81K	0.90%	2.87K
iShares Russell 2000 Value ETF	412.40K	0.82%	-
State St Russell Sm/Mid Cp® Indx NL Cl C	292.63K	0.58%	-
State St Russell Sm/Mid Cp® Indx SL Cl I	292.63K	0.58%	-
ART Lifecycle Balanced Sup	277.48K	0.54%	277.48K
Fidelity Extended Market Index	230.11K	0.46%	-1.89K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 27, 2025	Shasta Theodore	-	Sell	$50.42K
Aug 21, 2025	DEWBREY DIANE L	-	Sell	$35.57K
Aug 19, 2025	Shasta Theodore	-	Sell	$56.10K
Aug 12, 2025	Shasta Theodore	-	Sell	$123.00K
Aug 11, 2025	VAUGHAN RICHARD C	-	Sell	$152.27K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	5
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	-	2
2024 Q2	-	-

MBI Ownership FAQ

Who Owns MBIA?

MBIA shareholders are primarily institutional investors at 10.92%, followed by 10.42% insiders and 78.66% retail investors. The average institutional ownership in MBIA's industry, Specialty Insurance Stocks, is 43.00%, which MBIA falls below.

Who owns the most shares of MBIA?

MBIA’s largest shareholders are Blackrock (3.32M shares, 7.10%), Blackrock funding, inc. /de (3.34M shares, 6.75%), and Vanguard group (2.51M shares, 5.06%). Together, they hold 18.91% of MBIA’s total shares outstanding.

Does Blackrock own MBIA?

Yes, BlackRock owns 7.10% of MBIA, totaling 3.32M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 18.24M$. In the last quarter, BlackRock decreased its holdings by -100K shares, a -2.93% change.

Who is MBIA’s biggest shareholder by percentage of total assets invested?

Valueworks is MBIA’s biggest shareholder by percentage of total assets invested, with 4.49% of its assets in 2.07M MBIA shares, valued at 15.42M$.

Who is the top mutual fund holder of MBIA shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of MBIA shares, with 2.84% of its total shares outstanding invested in 1.44M MBIA shares.

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