Octave Specialty GroupOSG
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 180 institutions reported holding Octave Specialty Group Inc. (OSG) in their 13F filings, unchanged from Q3 2024. 20 opened new positions and 22 sold out. The largest holders were BlackRock, Inc. ($100.7M), Vanguard Group Inc. ($40.7M) and Dimensional Fund Advisors LP ($34.2M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Octave Specialty Group Inc.
- Filed as
- AMBAC FINL GROUP INC (Q4 2024)
- CUSIP
- 023139884
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $26.3M |
| Exits | 22 | $8.5M |
All 13F filers, Q3 2024 → Q4 2024: 5,314,524 shares bought and 4,122,372 shares sold, net +1,192,152 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 180 holders
| BlackRock, Inc. | 0.00% | Add +3.2% | 7,960,513 | $100.7M |
| Vanguard Group Inc. | 0.00% | Reduce -21.9% | 3,216,048 | $40.7M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -3.5% | 2,706,151 | $34.2M |
| Repertoire Partners LP | 58.93% | Add +4.7% | 2,161,630 | $27.3M |
| State Street Corp. | 0.00% | Add +8.5% | 1,794,042 | $22.7M |
| FMR LLC | 0.00% | Reduce -6.8% | 1,615,030 | $20.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +71.0% | 1,185,700 | $15.0M |
| Geode Capital Management, LLC | 0.00% | Add +1.7% | 1,046,510 | $13.2M |
| Wolf Hill Capital Management, LP | 1.02% | New | 1,000,003 | $12.7M |
| Bain Capital Credit, LP | 2.65% | No change | 1,108,012 | $11.9M |
| American Century Companies Inc. | 0.01% | Add +3.9% | 929,345 | $11.8M |
| Hotchkis & Wiley Capital Management LLC | 0.04% | Add +12.5% | 837,650 | $10.6M |
| Nuveen Asset Management, LLC | 0.00% | Add +65.5% | 824,357 | $10.4M |
| Susquehanna International Group, LLP | 0.01% | Add +102.3% | 754,965 | $9.6M |
| Deutsche Bank AG | 0.00% | Reduce -2.1% | 675,133 | $8.5M |
| Portolan Capital Management, LLC | 0.50% | New | 589,437 | $7.5M |
| Bracebridge Capital, LLC | 0.74% | No change | 579,234 | $7.3M |
| Northern Trust Corp. | 0.00% | Add +13.4% | 536,486 | $6.8M |
| Gendell Jeffrey L | 0.21% | No change | 527,538 | $6.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -8.7% | 505,126 | $6.4M |
| Morgan Stanley | 0.00% | Reduce -33.0% | 497,955 | $6.3M |
| Western Standard LLC | 3.82% | Add +64.3% | 453,530 | $5.7M |
| D. E. Shaw & Co. | 0.01% | Reduce -9.3% | 431,135 | $5.5M |
| Barclays PLC | 0.00% | Add +14.3% | 429,861 | $5.4M |
| Citadel Advisors | 0.00% | Reduce -48.0% | 379,010 | $4.8M |
| Invesco Ltd. | 0.00% | Add +18.5% | 375,513 | $4.8M |
| Jane Street Group, LLC | 0.01% | Add +33.0% | 316,176 | $4.0M |
| HSBC Holdings PLC | 0.00% | Reduce -5.1% | 312,282 | $3.9M |
| Bank of New York Mellon Corp | 0.00% | Reduce -21.8% | 296,219 | $3.7M |
| Bridgeway Capital Management, LLC | 0.08% | Add +3.1% | 291,633 | $3.7M |
| JPMorgan Chase & Co. | 0.00% | Add +8.9% | 276,762 | $3.5M |
| Caption Management, LLC | 0.14% | Add +193.5% | 272,477 | $3.4M |
| Marshall Wace, LLP | 0.00% | Reduce -26.8% | 266,939 | $3.4M |
| Norges Bank | 0.00% | No change | 263,100 | $3.3M |
| Ameriprise Financial Inc. | 0.00% | Add +8.6% | 235,649 | $3.0M |
| Third Avenue Management LLC | 0.56% | New | 230,416 | $2.9M |
| Principal Financial Group Inc. | 0.00% | Add +3.0% | 229,954 | $2.9M |
| Millennium Management | 0.00% | Reduce -24.0% | 209,592 | $2.7M |
| Harbor Advisors LLC | 0.39% | No change | 196,382 | $2.5M |
| Prescott Group Capital Management, L.L.C. | 0.33% | No change | 194,902 | $2.5M |
| Bank of America Corp. | 0.00% | Add +166.4% | 194,061 | $2.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +23.6% | 194,034 | $2.5M |
| Public Sector Pension Investment Board | 0.01% | Add +10.5% | 190,804 | $2.4M |
| Empowered Funds, LLC | 0.03% | Add +5.1% | 181,633 | $2.3M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -32.6% | 170,536 | $2.2M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -31.9% | 167,172 | $2.1M |
| Tudor Investment Corporation | 0.02% | Reduce -1.2% | 164,868 | $2.1M |
| Exchange Traded Concepts, LLC | 0.04% | Add +4.3% | 164,474 | $2.1M |
| Rhumbline Advisers | 0.00% | Add +6.4% | 140,999 | $1.8M |
| Two Sigma Investments, LP | 0.00% | Add +41.1% | 132,295 | $1.7M |
| Renaissance Technologies | 0.00% | Reduce -57.1% | 124,200 | $1.6M |
| Legal & General Group Plc | 0.00% | Reduce -0.5% | 122,939 | $1.6M |
| Squarepoint Ops LLC | 0.00% | Reduce -52.0% | 120,848 | $1.5M |
| HRT Financial LP | 0.01% | Reduce -26.1% | 107,557 | $1.4M |
| Walleye Capital LLC | 0.01% | Add +449.4% | 99,425 | $1.3M |
| Swiss National Bank | 0.00% | Add +4.6% | 93,300 | $1.2M |
| UBS Group AG | 0.00% | Add +366.4% | 89,528 | $1.1M |
| Algert Global LLC | 0.03% | Add +219.9% | 88,469 | $1.1M |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 77,655 | $981K |
| Verition Fund Management LLC | 0.00% | Reduce -16.2% | 74,335 | $940K |
| Royce & Associates LP | 0.01% | Add +97.5% | 72,934 | $923K |
| Wells Fargo & Company | 0.00% | Reduce -27.5% | 71,421 | $903K |
| Citigroup Inc. | 0.00% | Add +22.5% | 70,618 | $893K |
| VELA Investment Management, LLC | 0.27% | New | 62,584 | $792K |
| BNP Paribas Financial Markets | 0.00% | Add +93.7% | 60,968 | $771K |
| Nebula Research & Development LLC | 0.08% | Reduce -28.0% | 54,177 | $685K |
| Walleye Trading LLC | 0.01% | Add +118.1% | 52,452 | $664K |
| Graham Capital Management, L.P. | 0.03% | Add +196.6% | 51,489 | $651K |
| Caxton Associates LP | 0.02% | Add +1.6% | 48,648 | $615K |
| Prudential Financial Inc. | 0.00% | Reduce -72.2% | 47,670 | $603K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 47,306 | $598K |
| T. Rowe Price Associates Inc. | 0.00% | Add +17.7% | 46,835 | $593K |
| Engineers Gate Manager LP | 0.01% | Add +168.7% | 46,833 | $592K |
| New York State Teachers Retirement System | 0.00% | No change | 44,930 | $568K |
| California State Teachers Retirement System | 0.00% | Add +3.9% | 44,277 | $560K |
| Cubist Systematic Strategies, LLC | 0.01% | Reduce -89.4% | 43,808 | $554K |
| Intech Investment Management LLC | 0.01% | Add +84.0% | 43,629 | $552K |
| Alliancebernstein L.P. | 0.00% | Add +58.4% | 41,240 | $522K |
| Quantbot Technologies LP | 0.02% | Reduce -19.0% | 40,434 | $511K |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Add +22.8% | 38,850 | $491K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -1.6% | 36,671 | $464K |
| HighTower Advisors, LLC | 0.00% | Reduce -3.2% | 35,422 | $448K |
| Centiva Capital, LP | 0.02% | Reduce -21.9% | 35,111 | $444K |
| IMC-Chicago, LLC | 0.01% | Reduce -3.5% | 30,316 | $383K |
| Wolverine Trading, LLC | 0.01% | New | 28,752 | $357K |
| PDT Partners, LLC | 0.03% | Reduce -55.5% | 28,185 | $357K |
| XTX Topco Ltd | 0.03% | Add +82.4% | 28,060 | $355K |
| Sei Investments Co. | 0.00% | Reduce -0.2% | 27,994 | $354K |
| State of Alaska, Department of Revenue | 0.00% | Reduce -0.6% | 26,912 | $340K |
| MetLife Investment Management, LLC | 0.00% | Add +9.2% | 26,838 | $340K |
| Fox Run Management, L.L.C. | 0.06% | Reduce -49.1% | 26,817 | $339K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +8.2% | 25,807 | $326K |
| Illinois Municipal Retirement Fund | 0.00% | Reduce -4.6% | 24,988 | $316K |
| Corebridge Financial, Inc. | 0.00% | Reduce -3.0% | 24,304 | $307K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 24,133 | $305K |
| Louisiana State Employees Retirement System | 0.01% | No change | 22,900 | $290K |
| Cresset Asset Management, LLC | 0.00% | Reduce -8.5% | 22,563 | $285K |
| Amundi | 0.00% | Add +224.4% | 24,217 | $281K |
| Gator Capital Management, LLC | 0.10% | Reduce -70.4% | 21,435 | $271K |
| Creative Planning | 0.00% | Add +52.5% | 21,210 | $268K |
| Two Sigma Advisers, LP | 0.00% | New | 21,100 | $267K |
| Janus Henderson Group PLC | 0.00% | No change | 19,792 | $250K |
| Oxford Asset Management LLP | 0.11% | New | 18,317 | $232K |
| Yousif Capital Management, LLC | 0.00% | Reduce -0.9% | 18,075 | $229K |
| AQR Capital Management | 0.00% | Add +16.9% | 17,837 | $226K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -2.8% | 16,351 | $207K |
| Comerica Bank | 0.00% | Reduce -3.2% | 16,296 | $206K |
| Group One Trading LLC | 0.01% | Add +65.1% | 16,116 | $204K |
| Maryland State Retirement & Pension System | 0.00% | New | 15,927 | $201K |
| Mraz, Amerine & Associates, Inc. | 0.03% | Reduce -4.5% | 14,900 | $188K |
| Voya Investment Management LLC | 0.00% | Reduce -61.6% | 14,115 | $179K |
| KLCM Advisors, Inc. | 0.02% | No change | 14,000 | $177K |
| Amalgamated Bank | 0.00% | Add +5.1% | 13,940 | $176K |
| Arizona State Retirement System | 0.00% | Add +5.7% | 13,768 | $174K |
| ProShare Advisors LLC | 0.00% | New | 13,756 | $174K |
| Freestone Grove Partners LP | 0.00% | — | 13,494 | $171K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 12,630 | $160K |
| Franklin Resources Inc. | 0.00% | Reduce -51.7% | 12,477 | $158K |
| KLP Kapitalforvaltning As | 0.00% | — | 12,400 | $157K |
| Bank of Montreal | 0.00% | Add +19.5% | 12,357 | $156K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 12,301 | $155K |
| Axq Capital, LP | 0.07% | New | 12,112 | $153K |
| Aigen Investment Management, LP | 0.03% | New | 11,539 | $146K |
| Oregon Public Employees Retirement Fund | 0.00% | No change | 11,198 | $142K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -4.2% | 11,095 | $140K |
| Cornerstone Investment Partners, LLC | 0.01% | Add +0.1% | 10,323 | $131K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -0.1% | 10,128 | $128K |
| Bayesian Capital Management, LP | 0.02% | New | 10,076 | $127K |
| New York State Common Retirement Fund | 0.00% | No change | 10,073 | $127K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 9,826 | $124K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | — | 9,202 | $116K |
| Aquatic Capital Management LLC | 0.00% | New | 8,330 | $105K |
| Point72 Asset Management | 0.00% | New | 7,300 | $92K |
| Royal Bank of Canada | 0.00% | Reduce -77.7% | 5,987 | $76K |
| Point72 (DIFC) Ltd | 0.01% | Add +39.2% | 5,693 | $72K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,583 | $58K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -72.0% | 2,682 | $34K |
| Corient Private Wealth LP | 0.00% | Add +0.0% | 28,220 | $34K |
| State of Wyoming | 0.00% | Reduce -89.6% | 2,592 | $33K |
| PNC Financial Services Group, Inc. | 0.00% | Add +2.0% | 1,663 | $21K |
| GAMMA Investing LLC | 0.00% | Add +159.2% | 1,529 | $19K |
| Sterling Capital Management LLC | 0.00% | Reduce -74.9% | 1,390 | $18K |
| Public Employees Retirement System of Ohio | 0.00% | New | 1,257 | $16K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +19.3% | 991 | $13K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -0.4% | 1,001 | $13K |
| US Bancorp \de | 0.00% | Reduce -8.6% | 691 | $9K |
| Lindbrook Capital, LLC | 0.00% | Add +7.3% | 633 | $8K |
| Osaic Holdings, Inc. | 0.00% | Add +6.7% | 593 | $7K |
| Wiser Advisor Group LLC | 0.01% | No change | 500 | $6K |
| Bessemer Group Inc. | 0.00% | No change | 442 | $6K |
| Smartleaf Asset Management LLC | 0.00% | Add +57.8% | 467 | $6K |
| Barrow Hanley Mewhinney & Strauss LLC | 0.00% | Add +997.6% | 450 | $6K |
| Fifth Third Bancorp | 0.00% | No change | 429 | $5K |
| Venturi Wealth Management, LLC | 0.00% | No change | 375 | $5K |
| Brooklyn Investment Group | 0.00% | New | 352 | $4K |
| Capital Analysts, LLC | 0.00% | No change | 325 | $4K |
| Cwm, LLC | 0.00% | Add +217.1% | 333 | $4K |
| Pinnacle Holdings, LLC | 0.00% | No change | 186 | $2K |
| Red Tortoise LLC | 0.00% | No change | 180 | $2K |
| DiNuzzo Private Wealth, Inc. | 0.00% | No change | 177 | $2K |
| Huntington National Bank | 0.00% | Reduce -58.5% | 158 | $2K |
| Assetmark, Inc. | 0.00% | Reduce -7.6% | 158 | $2K |
| Hexagon Capital Partners LLC | 0.00% | New | 153 | $2K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Add +162.1% | 152 | $2K |
| Quadrant Capital Group LLC | 0.00% | Add +45.5% | 147 | $2K |
| Rothschild Investment LLC | 0.00% | Add +54.4% | 142 | $2K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.00% | Reduce -91.0% | 129 | $2K |
| Farther Finance Advisors, LLC | 0.00% | No change | 89 | $1K |
| Covestor Ltd | 0.00% | Add +19.1% | 112 | $1K |
| Capital Advisors, Ltd. LLC | 0.00% | Add +38.2% | 76 | $1K |
| Parallel Advisors, LLC | 0.00% | Reduce -27.4% | 61 | $772 |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 31 | $392 |
| Legacy Investment Solutions, LLC | 0.00% | No change | 25 | $287 |
| Legacy Wealth Managment, LLC | 0.00% | No change | 25 | $287 |
| Versant Capital Management, Inc | 0.00% | No change | 19 | $240 |
| Allworth Financial LP | 0.00% | No change | 19 | $215 |
| Principal Securities, Inc. | 0.00% | New | 16 | $202 |
| UMB Bank, n.a. | 0.00% | No change | 15 | $190 |
| SBI Securities Co., Ltd. | 0.00% | — | 10 | $127 |
| NewEdge Advisors, LLC | 0.00% | No change | 5 | $63 |
"% of holder's portfolio" is OSG's weight in each manager's 13F, not the share of Octave Specialty Group Inc. the manager owns.