AMBAC FINL GROUP INC COM NEW is a security (CUSIP 023139884) tracked across SEC portfolio filings. 155 institutional managers reported $213.6M on Form 13F as of 2026-06-30; 11 registered fund positions totaling $10.8M via N-PORT as of 2026-05-31.
Showing 15 of 155 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Repertoire Partners LP | NEW YORK, NY | $47.8M | 721,188 |
| VANGUARD GROUP INC | Valley Forge, PA | $19.5M | 2,508,395 |
| BlackRock, Inc. | New York, NY | $18.2M | 3,917,798 |
| Western Standard LLC | Los Angeles, CA | $10.5M | 2,247,591 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | TULSA, OK | $7.4M | 1,592,587 |
| Wolf Hill Capital Management, LP | GREENWICH, CT | $6.8M | 1,470,334 |
| GENDELL JEFFREY L | GREENWICH, CT | $6.6M | 1,413,212 |
| THIRD AVENUE MANAGEMENT LLC | NEW YORK, NY | $6.2M | 1,341,211 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $6.1M | 1,310,132 |
| Bain Capital Credit, LP | BOSTON, MA | $5.2M | 1,108,012 |
| MARSHALL WACE, LLP | LONDON, X0 | $5.0M | 1,065,335 |
| Caption Management, LLC | OKLAHOMA CITY, OK | $4.8M | 642,597 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $4.8M | 1,022,438 |
| STATE STREET CORP | BOSTON, MA | $4.4M | 941,404 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | FLORHAM PARK, NJ | $4.1M | 884,272 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Third Avenue Small-Cap Value Fund | Third Avenue Trust | $5.9M | 295.50% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $2.3M | 0.28% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $1.1M | 0.63% |
| 1290 Essex Small Cap Growth Fund | 1290 Funds | $433K | 38.63% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $285K | 0.59% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $266K | 0.36% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $182K | 0.06% |
| Gator Financial Fund | Gator Series Trust | $121K | 590.00% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $106K | 0.02% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $27K | 0.65% |
| TIAA Separate Account VA-1 - Stock Index Account | TIAA Separate Account VA-1 | $8K | 0.06% |