133 hedge funds and large institutions have $499M invested in Ambac in 2021 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 37 increasing their positions, 44 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less ownership

Funds ownership:

12% less capital invested

Capital invested by funds: $564M → $499M (-$65.7M)

16% less repeat investments, than reductions

Existing positions increased: 37 | Existing positions reduced: 44

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
133
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.75M
Puts
$2.58M
Net Calls
Net Calls Change

Top Sellers

1 -$24.3M
2 -$5.66M
3 -$5.11M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$4.51M
5
BlackRock
BlackRock
New York
-$2.85M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$823K
52
$822K
53
$819K
54
$790K
55
$759K
56
$756K
57
$711K
58
$703K
59
$701K
60
$674K
61
$608K
62
$577K
63
$558K
64
$543K
65
$535K
66
$502K
67
$490K
68
$482K
69
$479K
70
$474K
71
$429K
72
$421K
73
$410K
74
$394K
75
$389K