Cst Brands Inc. (CST): Billionaire Mario Gabelli’s GAMCO Investors Raises Its Stake

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Page 3 of 19 – SEC Filing
CUSIP No. 12646R105
1
Names of reporting persons
I.R.S. identification nos. of above persons (entities only)
        GAMCO Asset Management Inc. I.D. No.  13-4044521
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-Funds of investment advisory clients
5
Check box if disclosure of legal proceedings is required pursuant to items 2 (d) or 2 (e)
6
Citizenship or place of organization
   New York
Number Of
Shares
Beneficially
Owned
By Each
Reporting
Person
With
: 7
:
:
:
Sole voting power
2,460,637  (Item 5)
: 8
:
:
:
Shared voting power
None
: 9
:
:
:
Sole dispositive power
2,571,237  (Item 5)
:10
:
:
:
Shared dispositive power
None
11
Aggregate amount beneficially owned by each reporting person
2,571,237  (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)
3.40%
14
Type of reporting person (SEE INSTRUCTIONS)
    IA, CO

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