13G Filing: Stadium Capital Management and Builders Firstsource Inc. (BLDR)

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1. Names of Reporting Persons.

Stadium Capital Management GP, L.P.
2. Check the Appropriate Box if a Member of a Group (See Instructions)

(a) XX

(b) ______

3. SEC Use Only

4. Citizenship or Place of Organization Delaware

Number of

Shares

Beneficially

Owned by

Each Reporting

Person With:

5. Sole Voting Power -0-

6. Shared Voting Power 2,890,872

7. Sole Dispositive Power -0-
8. Shared Dispositive Power 2,890,872
9. Aggregate Amount Beneficially Owned by Each Reporting Person 2,890,872
10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions) ______
11. Percent of Class Represented by Amount in Row (9) 2.6%
12. Type of Reporting Person (See Instructions) PN
3

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