Who owns Ambac Finl?
- Ticker: OSG
- CUSIP Number: 023139884
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Analyze quarterly positions in Ambac Finl with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Ambac Finl stock
Who bought or sold Ambac Finl this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| BlackRock | 4.5M | $35M | 0% | Dec 2025 |
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| Vanguard Group | 2.5M | $20M | -2% | Dec 2025 |
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| Western Standard | 2.5M | $20M | -5% | Dec 2025 |
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| Jane Street | 2.4M | $19M | 32% | Dec 2025 |
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| Caption Management | 2.4M | $19M | 11% | Dec 2025 |
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| Wolf Hill Capital Management | 1.9M | $15M | 63% | Dec 2025 |
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| Dimensional Fund Advisors | 1.7M | $13M | -21% | Dec 2025 |
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| Jeffrey L. Gendell | 1.6M | $12M | -16% | Dec 2025 |
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| FMR | 1.5M | $13M | 0% | Sep 2025 |
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| Citadel Advisors | 1.3M | $11M | -5% | Sep 2025 |
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| Sankaty Advisors | 1.1M | $8.6M | 0% | Dec 2025 |
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| Geode Capital Management | 1.0M | $8.0M | -3% | Dec 2025 |
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| State Street Corporation | 943k | $7.3M | -2% | Dec 2025 |
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| Prescott Group Capital Management | 894k | $7.0M | 0% | Dec 2025 |
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| Nuveen | 810k | $6.3M | -25% | Dec 2025 |
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| Third Avenue Management | 782k | $6.1M | 30% | Dec 2025 |
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| Goldman Sachs Group | 780k | $6.1M | 49% | Dec 2025 |
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| Marshall Wace | 749k | $5.8M | 64% | Dec 2025 |
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| Susquehanna International | 714k | $5.6M | -41% | Dec 2025 |
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| Millennium Management | 701k | $5.8M | -30% | Sep 2025 |
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| Barclays | 680k | $5.3M | 2% | Dec 2025 |
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| Bracebridge Capital | 579k | $4.5M | 0% | Dec 2025 |
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| Essex Investment Management | 411k | $3.2M | 100% | Dec 2025 |
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| SG Americas Securities | 403k | $3.1M | 435% | Dec 2025 |
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| Charles Schwab Investment Management | 361k | $2.8M | -6% | Dec 2025 |
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| Walleye Trading | 354k | $2.8M | 10% | Dec 2025 |
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| Russell Investments | 346k | $2.7M | 6943% | Dec 2025 |
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| Northern Trust | 323k | $2.5M | -11% | Dec 2025 |
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| Bridgeway Capital Management | 320k | $2.7M | 1% | Sep 2025 |
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| Jacobs Levy Equity Management | 237k | $1.8M | 100% | Dec 2025 |
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| Arrowpoint Investment Partners | 203k | $1.6M | 0% | Dec 2025 |
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| Harbor Advisors | 196k | $1.5M | 0% | Dec 2025 |
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| VELA Investment Management | 179k | $1.4M | -1% | Dec 2025 |
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| Schonfeld Strategic Advisors | 170k | $1.3M | -69% | Dec 2025 |
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| Invesco | 157k | $1.2M | -5% | Dec 2025 |
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| UBS Group | 154k | $1.2M | -45% | Dec 2025 |
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| Wolverine Trading | 142k | $1.4M | 100% | Sep 2025 |
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| Walleye Trading Advisors | 141k | $1.1M | 284% | Dec 2025 |
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| Bank of New York Mellon | 138k | $1.1M | 0% | Dec 2025 |
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| Legato Capital Management | 133k | $1.0M | 100% | Dec 2025 |
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| Tudor Investment Corporation | 125k | $1.0M | -59% | Sep 2025 |
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| American Century Companies | 124k | $962k | -7% | Dec 2025 |
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| D. E. Shaw & Co | 119k | $990k | -65% | Sep 2025 |
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| Hrt Financial | 112k | $869k | 100% | Dec 2025 |
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| ExodusPoint Capital Management | 110k | $854k | 675% | Dec 2025 |
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| Cruiser Capital Advisors | 107k | $834k | -4% | Dec 2025 |
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| Hsbc Holdings | 104k | $827k | 6% | Sep 2025 |
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| Point72 Asset Management | 104k | $806k | 100% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 87k | $675k | -3% | Dec 2025 |
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| Wells Fargo & Company | 86k | $667k | 16% | Dec 2025 |
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| Jump Financial | 85k | $663k | 100% | Dec 2025 |
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| AQR Capital Management | 83k | $689k | 61% | Sep 2025 |
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| Engineers Gate Manager | 82k | $635k | 100% | Dec 2025 |
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| Balyasny Asset Management | 81k | $677k | 100% | Sep 2025 |
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| Quantinno Capital Management | 79k | $612k | 95% | Dec 2025 |
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| Norges Bank Investment Management | 75k | $584k | 100% | Dec 2025 |
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| Connor, Clark & Lunn Investment Management | 69k | $535k | -35% | Dec 2025 |
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| Creative Planning | 69k | $533k | -24% | Dec 2025 |
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| Sei Investments | 67k | $519k | 100% | Dec 2025 |
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| Diametric Capital | 67k | $517k | 3% | Dec 2025 |
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| Caxton Associates | 66k | $511k | 0% | Dec 2025 |
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| DLD Asset Management | 60k | $470k | -93% | Dec 2025 |
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| Rhumbline Advisers | 58k | $447k | -14% | Dec 2025 |
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| Prudential Financial | 54k | $423k | -4% | Dec 2025 |
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| Calamos Advisors | 49k | $382k | 100% | Dec 2025 |
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| Y-Intercept | 44k | $341k | -71% | Dec 2025 |
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| Fox Run Management | 42k | $330k | 100% | Dec 2025 |
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| Axq Capital | 40k | $314k | 100% | Dec 2025 |
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| Alliancebernstein | 38k | $313k | 0% | Sep 2025 |
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| Brevan Howard Capital Management | 36k | $296k | -30% | Sep 2025 |
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| Jpmorgan Chase & Co | 35k | $288k | 100% | Sep 2025 |
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| XTX Topco | 31k | $242k | 100% | Dec 2025 |
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| Peak6 | 31k | $237k | 100% | Dec 2025 |
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| IMC-Chicago | 26k | $205k | -73% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 26k | $200k | -95% | Dec 2025 |
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| Oxford Asset Management | 25k | $198k | 100% | Dec 2025 |
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| Renaissance Technologies | 25k | $196k | -72% | Dec 2025 |
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| Metis Global Partners | 25k | $196k | 100% | Dec 2025 |
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| Kitzinger Lautmann Capital Management | 24k | $186k | 0% | Dec 2025 |
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| CIBC Global Asset Management | 24k | $186k | 100% | Dec 2025 |
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| Aquatic Capital Management | 23k | $180k | 83% | Dec 2025 |
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| Acadian Asset Management | 23k | $179k | 100% | Dec 2025 |
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| Quadrature Capital | 21k | $165k | 100% | Dec 2025 |
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| Intech Investment Management | 21k | $164k | -7% | Dec 2025 |
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| MetLife Investment Advisors | 20k | $155k | 9% | Dec 2025 |
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| State of Wyoming | 19k | $150k | 643% | Dec 2025 |
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| Quantbot Technologies | 19k | $150k | 100% | Dec 2025 |
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| Virtu Financial | 19k | $150k | 100% | Dec 2025 |
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| Mirae Asset Global Etfs Holdings | 19k | $149k | -4% | Dec 2025 |
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| Mraz, Amerine & Associates | 19k | $147k | 4% | Dec 2025 |
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| Springbok Capital Management | 18k | $149k | 100% | Sep 2025 |
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| Verition Fund Management | 18k | $136k | -15% | Dec 2025 |
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| Quarry | 15k | $118k | -81% | Dec 2025 |
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| Florida State Board of Administration | 13k | $98k | 0% | Dec 2025 |
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| Manufacturers Life Insurance Company | 13k | $98k | -99% | Dec 2025 |
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| nVerses Capital | 12k | $95k | 100% | Dec 2025 |
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| Franklin Resources | 12k | $93k | -30% | Dec 2025 |
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| Police & Firemen's Retirement System of New Jersey | 12k | $92k | 0% | Dec 2025 |
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| HPM Partners | 11k | $88k | -1% | Dec 2025 |
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| Crown Wealth Group | 11k | $87k | 100% | Dec 2025 |
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| Inscription Capital | 11k | $84k | 100% | Dec 2025 |
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| Simplex Trading | 11k | $83k | -49% | Dec 2025 |
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| Quest Partners | 10k | $79k | 100% | Dec 2025 |
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| New York State Common Retirement Fund | 10k | $78k | 0% | Dec 2025 |
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| Kemnay Advisory Services | 8.1k | $63k | 100% | Dec 2025 |
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| CWM | 5.6k | $44k | -20% | Dec 2025 |
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| Federated Investors | 4.4k | $34k | 0% | Dec 2025 |
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| Legal & General Group | 3.8k | $30k | 0% | Dec 2025 |
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| Summit Investment Advisors | 3.6k | $28k | 0% | Dec 2025 |
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| California State Teachers Retirement System | 2.5k | $20k | -15% | Dec 2025 |
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| Sterling Capital Management | 2.4k | $19k | -20% | Dec 2025 |
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| Royal Bank of Canada | 2.3k | $22k | -96% | Sep 2025 |
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| Quadrant Capital | 1.9k | $15k | -24% | Dec 2025 |
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| Cove Street Capital | 1.9k | $16k | 100% | Sep 2025 |
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| Versant Capital Management | 1.8k | $14k | 13% | Dec 2025 |
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| Caitong International Asset Management | 1.6k | $12k | 100% | Dec 2025 |
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| Amalgamated Bank | 1.3k | $10k | -17% | Dec 2025 |
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| Tower Research Capital | 1.3k | $9.9k | -47% | Dec 2025 |
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| Harbor Capital Advisors | 1.1k | $9.0k | -2% | Dec 2025 |
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| MAI Wealth Advisors | 1.1k | $8.3k | 0% | Dec 2025 |
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| NISA Investment Advisors | 970.00 | $7.5k | 0% | Dec 2025 |
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| Wiser Advisor Group | 500.00 | $3.9k | 0% | Dec 2025 |
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| GAMMA Investing | 431.00 | $3.4k | -31% | Dec 2025 |
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| Optiver Holding B.V. | 370.00 | $2.9k | -13% | Dec 2025 |
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| Capital Analysts | 325.00 | $3.0k | 0% | Dec 2025 |
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| Hanson McClain Advisors | 291.00 | $2.3k | -25% | Dec 2025 |
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| SRS Capital Advisors | 257.00 | $2.0k | -96% | Dec 2025 |
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| Signature | 180.00 | $1.4k | -76% | Dec 2025 |
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| DiNuzzo Private Wealth | 177.00 | $1.4k | 0% | Dec 2025 |
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| Parallel Advisors | 151.00 | $1.2k | -42% | Dec 2025 |
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| Thomas Stevens, CFA" | 148.00 | $1.3k | 100% | Dec 2025 |
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| Farther Finance Advisors | 122.00 | $949.001400 | 16% | Dec 2025 |
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| Pnc Financial Services | 113.00 | $877.411100 | -21% | Dec 2025 |
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| Advisors Asset Management | 98.00 | $761.999000 | -3% | Dec 2025 |
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| Us Bancorp | 81.00 | $630.001800 | -89% | Dec 2025 |
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| EverSource Wealth Advisors | 58.00 | $450.868800 | -19% | Dec 2025 |
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| True Wealth Design | 45.00 | $351.000000 | -12% | Dec 2025 |
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| Rothschild Investment | 32.00 | $248.998400 | -48% | Dec 2025 |
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| IFP Advisors | 31.00 | $241.000200 | 107% | Dec 2025 |
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| Advisor Group Holdings | 26.00 | $201.000800 | 0% | Dec 2025 |
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| Legacy Wealth Managment | 25.00 | $195.000000 | 0% | Dec 2025 |
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| SBI Securities | 10.00 | $78.000000 | -17% | Dec 2025 |
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Who sold out of Ambac Finl?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Continental General Insurance | Sep 2025 | 2.1M | $17M |
| Hotchkis and Wiley Capital Management | Jun 2025 | 794k | $5.6M |
| Cubist Systematic Strategies | Jun 2025 | 300k | $2.1M |
| Empowered Funds | Sep 2025 | 235k | $2.0M |
| Squarepoint Ops | Sep 2025 | 175k | $1.5M |
| Ameriprise Financial | Jun 2025 | 165k | $1.2M |
| Trexquant Investment | Sep 2025 | 137k | $1.1M |
| Empirical Finance | Sep 2025 | 72k | $602k |
| Sender Co & Partners | Sep 2025 | 71k | $591k |
| Aurelius Capital Management | Jun 2025 | 61k | $430k |
| Two Sigma Investments | Jun 2025 | 44k | $312k |
| Point72 Asia | Jun 2025 | 33k | $235k |
| Cresset Asset Management | Sep 2025 | 22k | $185k |
| Gator Capital Management | Sep 2025 | 21k | $179k |
| Group One Trading | Sep 2025 | 20k | $171k |
| Levin Capital Strategies | Sep 2025 | 18k | $146k |
| S.A.C. Capital Advisors | Jun 2025 | 14k | $101k |
| Ieq Capital | Sep 2025 | 14k | $114k |
| FNY Investment Advisers | Sep 2025 | 12k | $96k |
| Point72 | Jun 2025 | 5.9k | $42k |
| National Bank Of Canada /fi/ | Sep 2025 | 385.00 | $3.2k |
| Principal Securities | Sep 2025 | 120.00 | $1.0k |