Ambac Financial Group Ownership | Who Owns Ambac Financial Group?


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Ambac Financial Group Ownership Summary


Ambac Financial Group is owned by 9.67% institutional investors, 10.09% insiders, and 80.24% retail investors. Blackrock is the largest institutional shareholder, holding 16.29% of AMBC shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.54% of its assets in Ambac Financial Group shares.

AMBC Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAmbac Financial Group9.67%10.09%80.24%
SectorFinancial Services Stocks 36.95%15.48%47.58%
IndustrySpecialty Insurance Stocks43.00%13.05%43.95%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock7.46M16.29%$95.69M
Blackrock funding, inc. /de4.49M9.34%$37.47M
Western standard2.64M5.49%$22.03M
Vanguard group2.56M5.31%$21.31M
Repertoire partners lp2.08M4.53%$26.60M
Dimensional fund advisors lp2.14M4.45%$17.86M
Continental general insurance2.07M4.30%$17.25M
Gendell jeffrey l1.86M3.88%$15.55M
Fmr1.53M3.17%$12.72M
Manufacturers life insurance company, the1.21M2.51%$232.01M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Repertoire partners lp2.08M50.41%$26.60M
Western standard2.64M6.53%$22.03M
Continental general insurance2.07M3.34%$17.25M
Bain capital credit, lp1.11M2.91%$9.24M
Arrowpoint investment partners (singapore) pte.203.01K1.69%$1.69M
Cruiser capital advisors111.80K0.93%$932.41K
Third avenue management603.39K0.92%$4.91M
Wolf hill capital management, lp1.16M0.89%$9.66M
Prescott group capital management895.98K0.79%$7.47M
Vela investment management180.09K0.37%$1.50M

Top Buyers

HolderShares% AssetsChange
Western standard2.64M6.53%2.64M
Manufacturers life insurance company, the1.21M0.19%1.19M
Repertoire partners lp2.08M50.41%1.07M
Caption management1.12M0.07%945.11K
Continental general insurance2.07M3.34%850.00K

Top Sellers

HolderShares% AssetsChange
Hotchkis & wiley capital management---793.50K
Portolan capital management---589.44K
American century companies132.65K0.00%-305.69K
Group one trading20.45K0.00%-301.27K
Immersion---300.00K

New Positions

HolderShares% AssetsChangeValue
Norges bank263.10K0.00%263.10K$3.33M
Arrowpoint investment partners (singapore) pte.203.01K1.69%203.01K$1.69M
Cruiser capital advisors111.80K0.93%111.80K$932.41K
Nomura99.90K0.00%99.90K$1.28M
Sender co & partners70.89K0.06%70.89K$591.22K

Sold Out

HolderChange
Newedge advisors-5.00
Nelson, van denburg & campbell wealth management group-8.00
Umb bank, n.a.-15.00
Cornerstone planning group-30.00
Farmers & merchants investments-31.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202535-78.13%4,653,227-87.41%90.16%15-81.48%16-67.35%
Jun 30, 2025159-15.43%36,953,372-0.89%761.24%82-4.65%47-20.34%
Mar 31, 2025188-4.08%37,285,183-10.14%781.04%87-4.40%581.75%
Dec 31, 2024193-39,328,206-1.72%821.17%89-11.00%573.64%
Sep 30, 2024193-40,014,5053.30%831.19%1003.09%55-8.33%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF3.04M6.54%-
Fidelity Value1.42M3.07%-
Vanguard US Total Market Shares ETF1.39M3.00%-
Vanguard Total Stock Mkt Idx Inv1.39M2.99%-30.79K
iShares Russell 2000 ETF1.16M2.50%-
BlackRock Global Equity Mkt Netrl Instl911.85K1.97%534.87K
CREF Stock R3736.72K1.59%385.88K
CREF Stock R1618.14K1.34%-
Third Avenue Small Cap Value Composite602.02K1.30%235.56K
Third Avenue Small Cap Value Instl602.02K1.30%235.56K

Recent Insider Transactions


DateNameRoleActivityValue
Nov 12, 2025Smith R Sharon Exec VP & Group COOBuy$205.00
Oct 01, 2025LeBlanc Claude Chief Executive OfficerBuy$213.50K
Aug 11, 2025LeBlanc Claude Chief Executive OfficerBuy$175.75K
May 14, 2025Stein Jeffrey Scott-Buy$32.40K
May 14, 2025Stein Jeffrey Scott-Buy$64.50K

Insider Transactions Trends


DateBuySell
2025 Q42-
2025 Q31-
2025 Q25-
2025 Q1--
2024 Q4--

AMBC Ownership FAQ


Who Owns Ambac Financial Group?

Ambac Financial Group shareholders are primarily institutional investors at 9.67%, followed by 10.09% insiders and 80.24% retail investors. The average institutional ownership in Ambac Financial Group's industry, Specialty Insurance Stocks, is 43.00%, which Ambac Financial Group falls below.

Who owns the most shares of Ambac Financial Group?

Ambac Financial Group’s largest shareholders are Blackrock (7.46M shares, 16.29%), Blackrock funding, inc. /de (4.49M shares, 9.34%), and Western standard (2.64M shares, 5.49%). Together, they hold 31.11% of Ambac Financial Group’s total shares outstanding.

Does Blackrock own Ambac Financial Group?

Yes, BlackRock owns 16.29% of Ambac Financial Group, totaling 7.46M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 95.69M$. In the last quarter, BlackRock increased its holdings by 252.03K shares, a 3.49% change.

Who is Ambac Financial Group’s biggest shareholder by percentage of total assets invested?

Repertoire partners lp is Ambac Financial Group’s biggest shareholder by percentage of total assets invested, with 50.41% of its assets in 2.08M Ambac Financial Group shares, valued at 26.6M$.

Who is the top mutual fund holder of Ambac Financial Group shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Ambac Financial Group shares, with 6.54% of its total shares outstanding invested in 3.04M Ambac Financial Group shares.

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