Also trades as: AMBC-WT (NYSE)
AMBC Institutional Ownership
Ambac Financial Group, Inc.
1W: -5.3%
1M: -13.5%
3M: -6.7%
1Y: -37.4%
3Y: -53.0%
5Y: -52.7%
$8.29
Last traded 2025-12-31 — delisted
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Institutional Ownership — AMBC
185
Institutional Holders
+2 vs prior quarter
0.0%
Ownership
+0.00pp
$189M
Total Invested
39
New Positions
50
Increased
76
Reduced
36
Closed
0.80
Put/Call Ratio
Ownership Trends
Top Institutional Holders (213 total)
| # | Holder | Shares | Value | Change | Change % | Holding Period | Filing |
|---|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4,572,516 | $38M | +654,718 | +16.7% | 8Q | SEC ↗ |
| 2 | Western Standard LLC | 2,247,591 | $19M | — | +0.0% | 4Q | SEC ↗ |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1,972,619 | $16M | +27,543 | +1.4% | 2Q | SEC ↗ |
| 4 | Prescott Group Capital Management, L.L | 1,647,793 | $14M | +55,206 | +3.5% | 9Q | SEC ↗ |
| 5 | THIRD AVENUE MANAGEMENT LLC | 1,341,879 | $11M | +668 | +0.0% | 7Q | SEC ↗ |
| 6 | Bain Capital Credit, LP | 1,108,012 | $9M | — | +0.0% | 8Q | SEC ↗ |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1,106,335 | $9M | +83,897 | +8.2% | 53Q | SEC ↗ |
| 8 | STATE STREET CORP | 898,673 | $7M | -42,731 | -4.5% | 43Q | SEC ↗ |
| 9 | DIMENSIONAL FUND ADVISORS LP | 716,947 | $6M | -593,185 | -45.3% | 51Q | SEC ↗ |
| 10 | JACOBS LEVY EQUITY MANAGEMENT, INC | 649,530 | $5M | -234,742 | -26.5% | 3Q | SEC ↗ |
| 11 | MARSHALL WACE, LLP | 601,796 | $5M | -463,539 | -43.5% | 10Q | SEC ↗ |
| 12 | ZACKS INVESTMENT MANAGEMENT NEW | 590,370 | $5M | — | +0.0% | 1Q | SEC ↗ |
| 13 | Bracebridge Capital, LLC | 579,234 | $5M | — | +0.0% | 27Q | SEC ↗ |
| 14 | MORGAN STANLEY | 569,563 | $5M | +334,317 | +142.1% | 53Q | SEC ↗ |
| 15 | GOLDMAN SACHS GROUP INC | 560,756 | $5M | +214,463 | +61.9% | 15Q | SEC ↗ |
| 16 | RIHO Partners, LLC | 554,818 | $5M | +8,249 | +1.5% | 2Q | SEC ↗ |
| 17 | ESSEX INVESTMENT MANAGEMENT CO LLC | 539,289 | $4M | +121,086 | +29.0% | 3Q | SEC ↗ |
| 18 | GENDELL JEFFREY L | 494,092 | $4M | -919,120 | -65.0% | 15Q | SEC ↗ |
| 19 | Wolf Hill Capital Management, LP | 480,187 | $4M | -990,147 | -67.3% | 7Q | SEC ↗ |
| 20 | Nuveen, LLC | 428,165 | $4M | -372,088 | -46.5% | 6Q | SEC ↗ |
| 21 | CITADEL ADVISORS LLC | 422,777 | $4M | -9,032 | -2.1% | 26Q | SEC ↗ |
| 22 | Caption Management, LLC | 419,136 | $3M | -223,461 | -34.8% | 16Q | SEC ↗ |
| 23 | VANGUARD PORTFOLIO MANAGEMENT LLC | 392,350 | $3M | +96,450 | +32.6% | 2Q | SEC ↗ |
| 24 | Sixth Street Partners Management Compa NEW | 377,869 | $3M | — | +0.0% | 1Q | SEC ↗ |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT I | 377,869 | $3M | +82,525 | +27.9% | 15Q | SEC ↗ |
| 26 | NORTHERN TRUST CORP | 352,680 | $3M | +30,332 | +9.4% | 53Q | SEC ↗ |
| 27 | Brooklyn Investment Group NEW | 325,351 | $3M | — | +0.0% | 1Q | SEC ↗ |
| 28 | IPG Investment Advisors LLC | 303,930 | $3M | -21,686 | -6.7% | 2Q | SEC ↗ |
| 29 | Connor, Clark & Lunn Investment Manage | 302,913 | $3M | +158,612 | +109.9% | 7Q | SEC ↗ |
| 30 | VANGUARD FIDUCIARY TRUST CO | 295,841 | $2M | +21,279 | +7.8% | 2Q | SEC ↗ |
| 31 | AYAL Capital Advisors Ltd NEW | 280,000 | $2M | — | +0.0% | 1Q | SEC ↗ |
| 32 | JANE STREET GROUP, LLC | 278,731 | $2M | -485,653 | -63.5% | 14Q | SEC ↗ |
| 33 | RAYMOND JAMES FINANCIAL INC | 239,680 | $2M | +214,024 | +834.2% | 2Q | SEC ↗ |
| 34 | AQR CAPITAL MANAGEMENT LLC | 229,890 | $2M | +180,062 | +361.4% | 5Q | SEC ↗ |
| 35 | PRUDENTIAL FINANCIAL INC | 226,010 | $2M | +155,900 | +222.4% | 4Q | SEC ↗ |
| 36 | TUDOR INVESTMENT CORP ET AL | 216,362 | $2M | +56,399 | +35.3% | 2Q | SEC ↗ |
| 37 | Harbor Advisors LLC | 196,382 | $2M | — | +0.0% | 39Q | SEC ↗ |
| 38 | Russell Investments Group, Ltd. | 195,046 | $2M | +13,775 | +7.6% | 16Q | SEC ↗ |
| 39 | Quantinno Capital Management LP | 190,283 | $2M | +141,583 | +290.7% | 5Q | SEC ↗ |
| 40 | Legato Capital Management LLC | 181,037 | $2M | +50,277 | +38.4% | 3Q | SEC ↗ |
| 41 | UBS Group AG | 147,197 | $1M | -117,083 | -44.3% | 47Q | SEC ↗ |
| 42 | GSA CAPITAL PARTNERS LLP NEW | 143,566 | $1M | — | +0.0% | 1Q | SEC ↗ |
| 43 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 136,692 | $1M | -253,501 | -65.0% | 14Q | SEC ↗ |
| 44 | Bank of New York Mellon Corp | 134,966 | $1M | +4,495 | +3.4% | 53Q | SEC ↗ |
| 45 | BANK OF AMERICA CORP /DE | 131,360 | $1M | -124,750 | -48.7% | 15Q | SEC ↗ |
| 46 | Invesco Ltd. | 127,868 | $1M | -23,174 | -15.3% | 46Q | SEC ↗ |
| 47 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 122,504 | $1M | -60,000 | -32.9% | 15Q | SEC ↗ |
| 48 | Diametric Capital, LP NEW | 118,364 | $981K | — | +0.0% | 1Q | SEC ↗ |
| 49 | RENAISSANCE TECHNOLOGIES LLC | 117,200 | $972K | -110,526 | -48.5% | 16Q | SEC ↗ |
| 50 | WELLS FARGO & COMPANY/MN | 116,707 | $968K | +61,383 | +111.0% | 53Q | SEC ↗ |
Recent Activity
New Positions (20)
| Holder | Shares | Value |
|---|---|---|
| ZACKS INVESTMENT MANAGEMENT | 590,370 | $5M |
| Sixth Street Partners Management Co | 377,869 | $3M |
| Brooklyn Investment Group | 325,351 | $3M |
| AYAL Capital Advisors Ltd | 280,000 | $2M |
| GSA CAPITAL PARTNERS LLP | 143,566 | $1M |
| Diametric Capital, LP | 118,364 | $981K |
| LONE PEAK GLOBAL INVESTORS LLC | 107,676 | $893K |
| Man Group plc | 66,579 | $552K |
| FJ Capital Management LLC | 57,937 | $480K |
| Mariner, LLC | 30,584 | $254K |
| Cerity Partners LLC | 26,828 | $222K |
| ENVESTNET ASSET MANAGEMENT INC | 24,244 | $201K |
| Impact Capital Partners LLC | 19,516 | $162K |
| Inscription Capital, LLC | 19,037 | $158K |
| WEALTH ENHANCEMENT ADVISORY SERVICE | 14,061 | $117K |
| Atria Investments, Inc | 12,473 | $103K |
| Corient Private Wealth LP | 12,270 | $102K |
| IEQ CAPITAL, LLC | 12,203 | $101K |
| McGlone Suttner Wealth Management, | 10,911 | $90K |
| Chicago Partners Investment Group L | 10,395 | $86K |
Sold Out (20)
| Holder | Prev Shares | Prev Value |
|---|---|---|
| VELA Investment Management, LLC | 178,752 | $1M |
| Schonfeld Strategic Advisors LLC | 169,824 | $1M |
| Arrowpoint Investment Partners (Sin | 139,168 | $1M |
| Point72 Asset Management, L.P. | 113,656 | $942K |
| ExodusPoint Capital Management, LP | 109,765 | $910K |
| Cruiser Capital Advisors, LLC | 108,798 | $902K |
| Squarepoint Ops LLC | 76,907 | $638K |
| Creative Planning | 68,537 | $568K |
| Walleye Capital LLC | 67,134 | $557K |
| CAXTON ASSOCIATES LLP | 65,647 | $544K |
| DLD Asset Management, LP | 60,421 | $501K |
| HRT FINANCIAL LP | 50,974 | $423K |
| Calamos Advisors LLC | 49,089 | $407K |
| TWO SIGMA INVESTMENTS, LP | 45,044 | $373K |
| Y-Intercept (Hong Kong) Ltd | 43,781 | $363K |
| ACADIAN ASSET MANAGEMENT LLC | 42,930 | $356K |
| Balyasny Asset Management L.P. | 42,917 | $356K |
| FOX RUN MANAGEMENT, L.L.C. | 42,354 | $351K |
| Quantbot Technologies LP | 38,708 | $321K |
| PEAK6 LLC | 30,478 | $253K |
Biggest Increases (20)
Biggest Decreases (20)
| Holder | Reduced | Change % | Total Shares |
|---|---|---|---|
| Wolf Hill Capital Management, LP | -990,147 | -67.3% | 480,187 |
| GENDELL JEFFREY L | -919,120 | -65.0% | 494,092 |
| DIMENSIONAL FUND ADVISORS LP | -593,185 | -45.3% | 716,947 |
| JANE STREET GROUP, LLC | -485,653 | -63.5% | 278,731 |
| MARSHALL WACE, LLP | -463,539 | -43.5% | 601,796 |
| Nuveen, LLC | -372,088 | -46.5% | 428,165 |
| SUSQUEHANNA INTERNATIONAL GROUP, LL | -253,501 | -65.0% | 136,692 |
| JPMORGAN CHASE & CO | -249,766 | -93.0% | 18,668 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | -234,742 | -26.5% | 649,530 |
| Caption Management, LLC | -223,461 | -34.8% | 419,136 |
| BANK OF AMERICA CORP /DE | -124,750 | -48.7% | 131,360 |
| UBS Group AG | -117,083 | -44.3% | 147,197 |
| MILLENNIUM MANAGEMENT LLC | -115,478 | -85.5% | 19,610 |
| RENAISSANCE TECHNOLOGIES LLC | -110,526 | -48.5% | 117,200 |
| XTX Topco Ltd | -98,254 | -84.0% | 18,657 |
| Engineers Gate Manager LP | -74,916 | -74.6% | 25,500 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | -60,000 | -32.9% | 122,504 |
| Empowered Funds, LLC | -60,000 | -52.6% | 54,004 |
| Jump Financial, LLC | -58,954 | -83.5% | 11,644 |
| AMERIPRISE FINANCIAL INC | -56,541 | -49.1% | 58,504 |