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APP. E4 REGULATION OF INVESTMENT ADVISORS
CUSIP No. 554382101 Page 1 of 3 Pages
________________________________________________________________________
1. NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
ING Clarion Real Estate Securities, L.P. 232802869
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)____
(b)____
3. SEC USE ONLY
4. CITIZENSHIP OR PLACE OF ORGANIZATION
201 King of Prussia Rd, Suite 600, Radnor, PA 19087
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
5. SOLE VOTING POWER
5,409,065 shares, sole voting power
6. SHARED VOTING POWER
7,280 shares, shared voting power
7. SOLE DISPOSITIVE POWER
11,119,952 shares, sole dispositive power
8. SHARED DISPOSITIVE POWER
No shares under shared dispositive power
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11,119,952 shares
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11.53%
12. TYPE OF REPORTING PERSON*
IA
SCHEDULE 13G APP. E4
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment)*
The Macerich Co
(Name of Issuer)
Ordinary Shares
(Title of Class of Securities)
554382101
(Cusip Number)
Sec 1745 (6-88)
E4-1
Items
Item 1
(a) The Macerich Co
(b) 401 Wilshire Blvd, Suite 700, Santa Monica, CA 90401
Item 2
(a) ING Clarion Real Estate Securities, LLC
(b) 201 King of Prussia Rd, Suite 600, Radnor, PA 19087
(c) Organized in the State of Delaware
(d) Ordinary Shares
(e) 554382101
Item 3
(a) Investment Adviser registered under section 203 of the
Investment Advisers Act of 1940
Item 4
(a) 11,119,952 shares
(b) 11.53%
(c)
(i.) 5,409,065 shares, sole voting power
(ii.) 7,280 shares, shared voting power
(iii.) 11,119,952 shares, sole dispositive power
(iv.) No shares, shared dispositive power
Item 5
N/A
Item 6
N/A
Item 7
N/A
Item 8
N/A
Item 9
N/A
Item 10
Robert S Tull, Chief Compliance Officer