AMBC Stock Ownership Activity

AMBAC FINANCIAL GROUP INC 13F holders

1 value investing guru has made changes to the AMBAC FINANCIAL GROUP INC (AMBC) position according to the gurus' latest SEC quarterly report(s). The number of AMBC shares has been increased by 1 super investor(s).

Which gurus or hedge funds are buying AMBC now?

According to the latest SEC filing(s) AMBAC FINANCIAL GROUP INC (AMBC) has been bought by Marty Whitman - Third Avenue Management (added shares +71.49%).

To see more about who is investing in AMBAC FINANCIAL GROUP INC (AMBC), please go to the AMBC ownership page.

History
Name
Company
%
Activity
Share
Change
% change to
Portfolio
% of
Portfolio
2026 Q1 (1 result)
Marty Whitman
Third Avenue Management
+71.49%
+559,118
+0.42%
1.01%
Reported price*: $4.65
2025 Q4 (1 result)
Marty Whitman
Third Avenue Management
+29.62%
+178,702
+0.25%
1.11%
Reported price*: $7.78
2025 Q2 (1 result)
Marty Whitman
Third Avenue Management
+64.65%
+236,930
+0.35%
0.88%
Reported price*: $7.10
2025 Q1 (1 result)
Marty Whitman
Third Avenue Management
+59.04%
+136,045
+0.24%
0.64%
Reported price*: $8.75
2024 Q4 (1 result)
Marty Whitman
Third Avenue Management
buy
+230,416
+0.56%
0.56%
Reported price*: $12.65
2018 Q1 (1 result)
Chris Hohn
TCI Fund Management
-100.00%
-1,985,785
-0.18%
0.00%
Reported price*: $15.98
2015 Q2 (1 result)
Chris Hohn
TCI Fund Management
buy
+1,985,785
+0.76%
0.76%
Reported price*: $16.64
2014 Q3 (1 result)
Paul Isaac
Arbiter Partners Capital Management
-100.00%
-292,327
-2.32%
0.00%
Reported price*: $27.31
2014 Q2 (1 result)
Paul Isaac
Arbiter Partners Capital Management
-47.14%
-260,730
-2.02%
0.00%
Reported price*: $27.31
2014 Q1 (1 result)
Paul Isaac
Arbiter Partners Capital Management
-32.82%
-270,141
-2.27%
4.65%
Reported price*: $31.03
2013 Q4 (1 result)
Paul Isaac
Arbiter Partners Capital Management
+2.73%
+21,900
+0.16%
5.95%
Reported price*: $24.56
2013 Q3 (1 result)
Paul Isaac
Arbiter Partners Capital Management
+31.73%
+193,000
+1.06%
4.42%
Reported price*: $18.14
2013 Q2 (1 result)
Paul Isaac
Arbiter Partners Capital Management
buy
+608,298
+4.35%
4.35%
Reported price*: $23.83
13 of 13

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.