129 hedge funds and large institutions have $574M invested in Ambac in 2017 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 43 increasing their positions, 38 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

9% less capital invested

Capital invested by funds: $628M → $574M (-$54M)

12% less funds holding

Funds holding: 146129 (-17)

52% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 31

Holders
129
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$39.5M
Puts
$5.09M
Net Calls
Net Calls Change

Top Buyers

1 +$12.2M
2 +$7.21M
3 +$6.95M
4
Nomura Holdings
Nomura Holdings
Japan
+$4.64M
5
Renaissance Technologies
Renaissance Technologies
New York
+$4.54M

Top Sellers

1 -$12.1M
2 -$6.8M
3 -$4.92M
4
SC
Sessa Capital
New York
-$4.85M
5
NI
Numeric Investors
Massachusetts
-$4.02M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$44.6M
2
$38.9M
3
$37.9M
4
$36.6M
5
$34.5M
6
$32.7M
7
$31.6M
8
$29.1M
9
$22.6M
10
$16.7M
11
$15.6M
12
$15.3M
13
$14.1M
14
$10.3M
15
$9.67M
16
$9.67M
17
$9.15M
18
$8.72M
19
$7.52M
20
$6.9M
21
$6.37M
22
$6.28M
23
$6.07M
24
$4.89M
25
$4.64M