TradingNote
Gurus
Top Investors
Congress Trades
Insider Trades
Top Investors
Warren Buffett
Cathie Wood
Li Lu
Ray Dalio
Bill Ackman
View all Top Investors
Archive
Industry
Technology & Software
AI Infrastructure
Pharmaceuticals & Biotech
Healthcare Equipment
Finance & Real Estate
Income & Yield
Energy & Utilities
Infrastructure
Manufacturing
Business Services
Technology & Software
Services-Prepackaged Software
Computer Programming & Data Processing
View all Technology & Software
Research
Search
AMBC
Ambac Financial Group, Inc.
Investor Moves
Investor
Portfolio Value
Portfolio Change
Position Change
Avg Buy Price
Current Price
Ken Griffin
Citadel Advisors
$-13.2M
Exit
Q1 2026
$13M
--
$8.29
Jim Simons
Renaissance Technologies
$1.1M
227.7k shares
Add
Q1 2026
$863k
$4.65
$8.29
Steven Cohen
Point72
$529k
113.7k shares
Trim
Q1 2026
$277k
$4.65
$8.29
Paul Tudor Jones II
Tudor Investment
$744k
160k shares
Add
Q1 2026
$13k
$4.65
$8.29
Ken Griffin
Citadel Advisors
$13M
1.7M shares
Add
Q4 2025
$2.4M
$7.78
$8.29
Jim Simons
Renaissance Technologies
$196k
25.2k shares
Trim
Q4 2025
$548k
$7.78
$8.29