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 *
  Mission Ventures Management III LLC
2. Date of Event Requiring Statement (Month/Day/Year)
03/23/2010
3. Issuer Name and Ticker or Trading Symbol
MAXLINEAR INC [MXL]
(Last)
(First)
(Middle)
11455 EL CAMINO REAL, SUITE 450, 
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 Original Filed(Month/Day/Year)
(Street)

SAN DIEGO, CA 92130
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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)

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
Series A Convertible Preferred Stock (1)   (1)   (1) Common Stock (1) (2) 1,885,570 $ 0 (1) I See footnote (3)
Series A Convertible Preferred Stock (1)   (1)   (1) Common Stock (1) (2) 82,665 $ 0 (1) I See footnote (4)
Series B Convertible Preferred Stock (5)   (5)   (5) Common Stock (2) (5) 1,251,911 $ 0 (5) I See footnote (3)
Series B Convertible Preferred Stock (5)   (5)   (5) Common Stock (2) (5) 54,885 $ 0 (5) I See footnote (4)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Mission Ventures Management III LLC
11455 EL CAMINO REAL, SUITE 450
SAN DIEGO, CA 92130
    X    
Mission Ventures III LP
11455 EL CAMINO REAL, SUITE 450
SAN DIEGO, CA 92130
    X    
Mission Ventures Affiliates III LP
11455 EL CAMINO REAL, SUITE 450
SAN DIEGO, CA 92130
    X    
Alexander Edward E
C/O MISSION VENTURES
11455 EL CAMINO REAL, SUITE 450
SAN DIEGO, CA 92130
  X   X    
RYAN DAVID J
C/O MISSION VENTURES
11455 EL CAMINO REAL, SUITE 450
SAN DIEGO, CA 92130
    X    
KIBBLE ROBERT F
C/O MISSION VENTURES
11455 EL CAMINO REAL, SUITE 450
SAN DIEGO, CA 92130
    X    
SPIEGEL LEO
C/O MISSION VENTURES
11455 EL CAMINO REAL, SUITE 450
SAN DIEGO, CA 92130
    X    

Signatures

/s/ Caroline Barberio, by power of attorney 03/23/2010
**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) Each share of Series A Preferred Stock is convertible at any time at the election of the Reporting Persons and will automatically convert into one share of Common Stock immediately prior to the closing of the Registrant's initial public offering on March 29, 2010. There is no expiration date.
(2) Following the conversion of Common Stock into Class B Common Stock immediately prior to the closing of the Registrant's initial public offering on March 29, 2010, each share of Class B Common Stock will be convertible into one share of Class A Common Stock upon certain transfers and at the option of the holder. On the seventh anniversary of the closing of the Registrant's initial public offering (March 29, 2017), the Class B Common Stock and the Class A Common Stock will automatically convert into a single class of Common Stock.
(3) Shares held directly by Mission Ventures III, L.P. ("Mission Ventures"). Mission Ventures Management III, L.L.C. ("MVM III"), is the sole general partner of Mission Ventures and has voting and investment control over the shares held by Mission Ventures. MVM III disclaims beneficial ownership of such shares, except to the extent of its pecuniary interest therein. MVM III has a pecuniary interest in 1% of the total number of shares held by Mission Ventures in the Issuer. Edward E. Alexander, David Ryan, Robert Kibble and Leo Spiegel, the managing members of MVM III, may be deemed to possess voting and investment control over the shares held by Mission Ventures and may be deemed to have indirect beneficial ownership of the shares held by Mission Ventures. Such persons disclaim beneficial ownership of shares held by Mission Ventures except to the extent of any pecuniary interest therein.
(4) Shares held directly by Mission Ventures Affiliates III, L.P. ("Mission Affiliates"). Mission Ventures Management III, L.L.C. ("MVM III"), is the sole general partner of Mission Affiliates and has voting and investment control over the shares held by Mission Ventures. MVM III disclaims beneficial ownership of such shares, except to the extent of its pecuniary interest therein. MVM III has a pecuniary interest in 1% of the total number of shares held by Mission Ventures in the Issuer. Edward E. Alexander, David Ryan, Robert Kibble and Leo Spiegel, the managing members of MVM III, may be deemed to possess voting and investment control over the shares held by Mission Affiliates and may be deemed to have indirect beneficial ownership of the shares held by Mission Affiliates. Such persons disclaim beneficial ownership of shares held by Mission Affiliates except to the extent of any pecuniary interest therein.
(5) Each share of Series B Convertible Preferred Stock is convertible at any time at the election of the Reporting Persons and will automatically convert into one share of Common Stock immediately prior to the closing of the Registrant's initial public offering on March 29, 2010. There is no expiration date.

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