Cablevision Systems Corp (CVC): GAMCO Investors Trims Exposure

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Page 4 of 17 – SEC Filing
CUSIP No. 12686C109
1
Names of reporting persons
I.R.S. identification nos. of above persons (entities only)
        Gabelli Securities, Inc.                             I.D. No.  13-3379374
2
Check the appropriate box if a member of a group (SEE INSTRUCTIONS) (a)
(b)
3
Sec use only
4
Source of funds (SEE INSTRUCTIONS)
00-Client funds
5
Check box if disclosure of legal proceedings is required pursuant to items 2 (d) or 2 (e)
6
Citizenship or place of organization
   Delaware
Number Of
Shares
Beneficially
Owned
By Each
Reporting
Person
With
: 7
:
:
:
Sole voting power
814,180  (Item 5)
: 8
:
:
:
Shared voting power
None
: 9
:
:
:
Sole dispositive power
814,180  (Item 5)
:10
:
:
:
Shared dispositive power
None
11
Aggregate amount beneficially owned by each reporting person
814,180  (Item 5)
12
Check box if the aggregate amount in row (11) excludes certain shares
(SEE INSTRUCTIONS) 
13
Percent of class represented by amount in row (11)
0.37%
14
Type of reporting person (SEE INSTRUCTIONS)
    HC, CO, IA

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