<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>alexreeqs123109.txt
<DESCRIPTION>13G 123109
<TEXT>
APP. E4				REGULATION OF INVESTMENT ADVISORS

CUSIP No. 015271109					13G					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, LLC			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
        1,123,320 shares, sole voting power

6. SHARED VOTING POWER
1,400 shares, shared voting power

7. SOLE DISPOSITIVE POWER
2,362,461 shares, sole dispositive power

8. SHARED DISPOSITIVE POWER
No shares under shared dispositive power

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,362,461 shares

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.35%

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
			   	Alexandria Real Estate Equities Inc.
				(Name of Issuer)
				Ordinary Shares
			          (Title of Class of Securities)
				    015271109
				(Cusip Number)


Sec 1745 (6-88)


					E4-1


Items
Item 1
(a) Alexandria Real Estate Equities Inc.
(b) 385 E Colorado Blvd, Suite 299, Pasadena, CA  91101
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) 015271109

Item 3
(a) Investment Adviser registered under section 203 of the
      Investment Advisers Act of 1940

Item 4
(a)  2,362,461 shares
(b)  5.35%
(c)
   (i.)		1,123,320 shares, sole voting power
   (ii.)		1,400 shares, shared voting power
   (iii.)	2,362,461 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

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