Octave Specialty GroupOSG
13F holders, Q4 2024 (December 31)180holders
20new positions
22sold out
7famous investors
$12.59avg. 13F price*
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 |
"% of holder's portfolio" is OSG's weight in each manager's 13F, not the share of Octave Specialty Group Inc. the manager owns.