0001085146-12-000385.txt : 20120214 0001085146-12-000385.hdr.sgml : 20120214 20120214102948 ACCESSION NUMBER: 0001085146-12-000385 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20120214 DATE AS OF CHANGE: 20120214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ADVANCED ANALOGIC TECHNOLOGIES INC CENTRAL INDEX KEY: 0001104042 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 770462930 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-81524 FILM NUMBER: 12603677 BUSINESS ADDRESS: STREET 1: 3230 SCOTT BOULEVARD CITY: SANTA CLARA STATE: CA ZIP: 95054 BUSINESS PHONE: (408) 737-4600 MAIL ADDRESS: STREET 1: 3230 SCOTT BOULEVARD CITY: SANTA CLARA STATE: CA ZIP: 95054 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: AQR CAPITAL MANAGEMENT LLC CENTRAL INDEX KEY: 0001167557 IRS NUMBER: 133987414 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: TWO GREENWICH PLAZA STREET 2: 3RD FLOOR CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 203-742-3600 MAIL ADDRESS: STREET 1: TWO GREENWICH PLAZA STREET 2: 3RD FLOOR CITY: GREENWICH STATE: CT ZIP: 06830 SC 13G 1 aati_20812.htm AQR CAPITAL MANAGEMENT LLC

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. )*

Advanced Analogic Technologies, Inc.


(Name of Issuer)

Common Stock


(Title of Class of Securities)

00752J108


(CUSIP Number)

December 31, 2011


(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[X] Rule 13d-1(b)
[   ] Rule 13d-1(c)
[   ] Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see Instructions).

CUSIP No.: 00752J108
1 NAME OF REPORTING PERSON
AQR Capital Management, LLC

I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)
133987414
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)  [   ]
(b)  [   ]
3 SEC USE ONLY
 
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware, USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER
0
6 SHARED VOTING POWER
3,281,911
7 SOLE DISPOSITIVE POWER
0
8 SHARED DISPOSITIVE POWER
3,281,911
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,281,911
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES []

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
7.42%
12 TYPE OF REPORTING PERSON
IA

CUSIP No.: 00752J108
ITEM 1(a). NAME OF ISSUER:
Advanced Analogic Technologies, Inc.
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
3230 SCOTT BOULEVARD
SANTA CLARA CA 95054
ITEM 2(a). NAME OF PERSON FILING:
AQR Capital Management, LLC
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
TWO GREENWICH PLAZA, 3RD FLOOR
GREENWICH, CT 06830
ITEM 2(c). CITIZENSHIP:
Delaware, USA
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2(e). CUSIP NUMBER:
00752J108
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SECTION 240.13d-1(b), or 13d-2(b) or (c) CHECK WHETHER THE PERSON FILING IS A:
(a) [   ]  Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78c);
(b) [   ]  Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c);
(c) [   ]  Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c);
(d) [   ]  Investment company registered under Section 8 of the Investment Company Act of 1940
(15 U.S.C 80a-8);
(e) [X]  An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E);
(f) [   ]  An employee benefit plan or endowment fund in accordance with 240.13d-1(b)(1)(ii)(F);
(g) [   ]  A parent holding company or control person in accordance with 240.13d-1(b)(1)(ii)(G);
(h) [   ]  A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act
(12 U.S.C. 1813);
(i) [   ]  A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j) [   ]  A non-U.S. institution in accordance with 240.13d-1(b)(1)(ii)(J);
(k) [   ]  Group, in accordance with 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution
in accordance with 240.13d1(b)(1)(ii)(J), please specify the type of institution:
ITEM 4. OWNERSHIP:
Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned:
3,281,911
(b) Percent of class:
7.42%
(c) Number of shares as to which the person has:
(i)   Sole power to vote or to direct the vote:
0
(ii)  Shared power to vote or to direct the vote:
3,281,911
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
3,281,911
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [   ].
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:
 
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:
 
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:
 
ITEM 9. NOTICE OF DISSOLUTION OF GROUP:
 
ITEM 10. CERTIFICATION:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
February 08, 2012
Date
AQR Capital Management, LLC
/s/ Abdon Bolivar

Signature
Abdon Bolivar, Chief Compliance Officer

Name/Title



Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (see 18 U.S.C. 1001).