Ambac Financial Group Ownership | Who Owns Ambac Financial Group?
Ambac Financial Group Ownership Summary
Ambac Financial Group is owned by 13.04% institutional investors, 10.09% insiders, and 76.87% 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
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Ambac Financial Group | 13.04% | 10.09% | 76.87% |
| Sector | Financial Services Stocks | 32.19% | 15.44% | 52.37% |
| Industry | Specialty Insurance Stocks | 35.82% | 12.76% | 51.42% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 7.46M | 16.29% | $95.69M |
| Blackrock funding, inc. /de | 4.49M | 9.33% | $34.92M |
| Vanguard group | 2.51M | 5.21% | $19.52M |
| Western standard | 2.50M | 5.21% | $19.49M |
| Repertoire partners lp | 2.08M | 4.53% | $26.60M |
| Dimensional fund advisors lp | 1.69M | 3.50% | $13.11M |
| Gendell jeffrey l | 1.57M | 3.26% | $12.21M |
| Fmr | 1.53M | 3.17% | $12.72M |
| Jane street group | 1.52M | 3.16% | $11.83M |
| Manufacturers life insurance company, the | 1.21M | 2.51% | $232.01M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Repertoire partners lp | 2.08M | 50.41% | $26.60M |
| Western standard | 2.50M | 8.99% | $19.49M |
| Bain capital credit, lp | 1.11M | 2.91% | $9.24M |
| Third avenue management | 782.09K | 1.11% | $6.08M |
| Wolf hill capital management, lp | 1.16M | 0.89% | $9.66M |
| Cruiser capital advisors | 107.14K | 0.71% | $833.55K |
| Prescott group capital management | 893.52K | 0.65% | $6.95M |
| Vela investment management | 178.75K | 0.33% | $1.39M |
| Bracebridge capital | 579.23K | 0.25% | $4.83M |
| Arrowpoint investment partners (singapore) pte. | 203.01K | 0.23% | $1.58M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Manufacturers life insurance company, the | 1.21M | 0.19% | 1.19M |
| Repertoire partners lp | 2.08M | 50.41% | 1.07M |
| Caption management | 1.12M | 0.07% | 945.11K |
| Morgan stanley | 938.71K | 0.00% | 744.59K |
| Jane street group | 1.52M | 0.00% | 671.47K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Continental general insurance | - | - | -2.07M |
| Hotchkis & wiley capital management | - | - | -793.50K |
| Portolan capital management | - | - | -589.44K |
| Deutsche bank ag\ | 25.65K | 0.00% | -506.49K |
| Dimensional fund advisors lp | 1.69M | 0.00% | -455.42K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Legato capital management | 132.62K | 0.09% | 132.62K | $1.03M |
| Nomura | 99.90K | 0.00% | 99.90K | $1.28M |
| Norges bank | 75.00K | 0.00% | 75.00K | $583.50K |
| Sender co & partners | 70.89K | 0.06% | 70.89K | $591.22K |
| Diametric capital, lp | 64.63K | 0.20% | 64.63K | $538.98K |
Sold Out
| Holder | Change |
|---|---|
| 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
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 29 | -80.27% | 6,271,951 | -83.34% | 13 | 0.21% | 10 | -85.07% | 15 | -68.09% |
| Sep 30, 2025 | 35 | -78.13% | 4,653,227 | -87.41% | 9 | 0.16% | 15 | -81.48% | 16 | -67.35% |
| Jun 30, 2025 | 159 | -15.43% | 36,953,372 | -0.89% | 76 | 1.24% | 82 | -4.65% | 47 | -20.34% |
| Mar 31, 2025 | 188 | -4.08% | 37,285,183 | -10.14% | 78 | 1.04% | 87 | -4.40% | 58 | 1.75% |
| Dec 31, 2024 | 193 | - | 39,328,206 | -1.72% | 82 | 1.17% | 89 | -11.00% | 57 | 3.64% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.04M | 6.54% | - |
| Fidelity Value | 1.42M | 3.07% | - |
| Vanguard US Total Market Shares ETF | 1.39M | 3.00% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.39M | 2.99% | -30.79K |
| iShares Russell 2000 ETF | 1.16M | 2.50% | - |
| BlackRock Global Equity Mkt Netrl Instl | 911.85K | 1.97% | 534.87K |
| CREF Stock R3 | 736.72K | 1.59% | 385.88K |
| CREF Stock R1 | 618.14K | 1.34% | - |
| Third Avenue Small Cap Value Composite | 602.02K | 1.30% | 235.56K |
| Third Avenue Small Cap Value Instl | 602.02K | 1.30% | 235.56K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 12, 2025 | Smith R Sharon | Exec VP & Group COO | Buy | $205.00 |
| Oct 01, 2025 | LeBlanc Claude | Chief Executive Officer | Buy | $213.50K |
| Aug 11, 2025 | LeBlanc Claude | Chief Executive Officer | Buy | $175.75K |
| May 14, 2025 | Stein Jeffrey Scott | - | Buy | $32.40K |
| May 14, 2025 | Stein Jeffrey Scott | - | Buy | $64.50K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 2 | - |
| 2025 Q3 | 1 | - |
| 2025 Q2 | 5 | - |
| 2025 Q1 | - | - |
| 2024 Q4 | - | - |
AMBC Ownership FAQ
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