SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Providence Equity Partners VI L.L.C. (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 06/26/2013	3. Issuer Name and Ticker or Trading Symbol CDW Corp [ CDW ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01	59,007,410	I	See Footnotes(1)(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* Providence Equity Partners VI L.L.C. (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Providence Equity Partners VI L P (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Providence Equity Partners VI- A L P (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* PEP CO-INVESTORS (CDW) L.P. (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Providence Equity GP VI L.P. (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SALEM PAUL J (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* NELSON JONATHAN M (Last) (First) (Middle) C/O PROVIDENCE EQUITY PARTNERS L.L.C. 50 KENNEDY PLAZA, 18TH FLOOR (Street) PROVIDENCE RI 02903 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Consists of 37,386,703 shares held directly by Providence Equity Partners VI L.P. ("PEP VI"), 12,861,472 shares held directly by Providence Equity Partners VI-A L.P. ("PEP VI-A") and 8,759,235 shares held directly by PEP Co-Investors (CDW) L.P. ("PEP Co-Investor"). The shares held by PEP VI, PEP VI-A and PEP Co-Investor may be deemed to be beneficially owned by Providence Equity GP VI L.P. ("PEP GP"), the general partner of PEP VI, PEP VI-A and PEP Co-Investor and Providence Equity Partners VI L.L.C. ("PEP LLC"), the general partner of PEP GP. Messrs. Jonathan Nelson, Glenn Creamer and Paul Salem are members of PEP LLC and may be deemed to have shared voting and investment power over such shares. Each of PEP LLC, PEP GP, and Messrs. Nelson, Creamer and Salem hereby disclaims any beneficial ownership of any shares held by PEP VI, PEP VI-A and PEP Co-Investor except to the extent of any pecuniary interest therein.

2. Mr. Creamer has separately filed a Form 3.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	Providence Equity Partners VI L.L.C. by /s/ James S. Rowe, Attorney-in-Fact	06/26/2013
	Providence Equity Partners VI L.P. by /s/ James S. Rowe, Attorney-in-Fact	06/26/2013
	Providence Equity Partners VI-A, L.P. by /s/ James S. Rowe, Attorney-in-Fact	06/26/2013
	PEP Co-Investors (CDW) L.P. by /s/ James S. Rowe, Attorney-in-Fact	06/26/2013
	Providence Equity GP VI L.P. by /s/ James S. Rowe, Attorney-in-Fact	06/26/2013
	Paul J. Salem by /s/ James S. Rowe, Attorney-in-Fact	06/26/2013
	Jonathan M. Nelson by /s/ James S. Rowe, Attorney-in-Fact	06/26/2013
	** Signature of Reporting Person	Date
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