Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Murdock Daniel C.
 2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2017		 3. Issuer Name and Ticker or Trading Symbol
COMCAST CORP [CMCSA]
(Last)
(First)
(Middle)
ONE COMCAST CENTER		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP & Chief Accounting Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

PHILADELPHIA, PA 19103		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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)
Class A Common Stock 1,403.8
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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
Option to Purchase   (1) 03/17/2026 Class A Common Stock 36,200 $ 29.88 D  
Restricled Stock Units   (2)   (2) Class A Common Stock 33,820 $ (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Murdock Daniel C.
ONE COMCAST CENTER
PHILADELPHIA, PA 19103		       SVP & Chief Accounting Officer  

Signatures

/s/ Arthur R. Block, Attorney-in-fact 03/02/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The date of the grant was March 18, 2016, and the shares vest as follows: 40% vest on the second anniversary date of the grant, and an additional 20% vests on each of the 3rd, 4th, and 5th anniversaries of the date of the grant.
(2) 2,580 of the restricted stock units vest on the 2nd, 3rd and 4th annivarsaries, and 6,880 vest on the 5th anniversary, of the date of the grant (June 12, 2015). 1,020 of the restricted stock units vest on the 13th month, 2nd, 3rd and 4th anniversaries, and 2,720 vest on the 5th anniversary, of the date of the grant (March 18, 2016). 1,860 of the restricted stiock units vest on the 13th month, 2nd, 3rd and 4th anniversaries, and 4,960 vest on the 5th anniversary, of the date of the grant (March 17, 2017).
(3) Each restricted stock unit represents a contigent right to receive one share of Class A Common Stock.
 
Remarks:
Exhibit 24 - Power of Attorney

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