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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001033984-10-000021.txt : 20100304
<SEC-HEADER>0001033984-10-000021.hdr.sgml : 20100304
<ACCEPTANCE-DATETIME>20100304104014
ACCESSION NUMBER: 0001033984-10-000021
CONFORMED SUBMISSION TYPE: SC 13G/A
PUBLIC DOCUMENT COUNT: 1
FILED AS OF DATE: 20100304
DATE AS OF CHANGE: 20100304
SUBJECT COMPANY:
COMPANY DATA:
COMPANY CONFORMED NAME: LIBERTY PROPERTY TRUST
CENTRAL INDEX KEY: 0000921112
STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798]
IRS NUMBER: 237768996
STATE OF INCORPORATION: MD
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G/A
SEC ACT: 1934 Act
SEC FILE NUMBER: 005-43371
FILM NUMBER: 10655818
BUSINESS ADDRESS:
STREET 1: 500 CHESTERFIELD PARKWAY
CITY: MALVERN
STATE: PA
ZIP: 19355
BUSINESS PHONE: 6106481700
MAIL ADDRESS:
STREET 1: 500 CHESTERFIELD PARKWAY
CITY: MALVERN
STATE: PA
ZIP: 19355
FORMER COMPANY:
FORMER CONFORMED NAME: ROUSE & ASSOCIATES PROPERTY TRUST
DATE OF NAME CHANGE: 19940421
FILED BY:
COMPANY DATA:
COMPANY CONFORMED NAME: ING CLARION REAL ESTATE SECURITIES LLC
CENTRAL INDEX KEY: 0001033984
STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000]
IRS NUMBER: 232802869
STATE OF INCORPORATION: PA
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G/A
BUSINESS ADDRESS:
STREET 1: 201 KING OF PRUSSIA RD
STREET 2: SUITE 600
CITY: RADNOR
STATE: PA
ZIP: 19087
BUSINESS PHONE: 6109952500
MAIL ADDRESS:
STREET 1: 201 KING OF PRUSSIA ROAD
STREET 2: SUITE 600
CITY: RADNOR
STATE: PA
ZIP: 19087
FORMER COMPANY:
FORMER CONFORMED NAME: ING CLARION REAL ESTATE SECURITIES/N L.P.
DATE OF NAME CHANGE: 20050812
FORMER COMPANY:
FORMER CONFORMED NAME: CLARION CRA SECURITIES
DATE OF NAME CHANGE: 20000811
FORMER COMPANY:
FORMER CONFORMED NAME: CRA REAL ESTATE SECURITIES LP/PA
DATE OF NAME CHANGE: 19980227
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>liberty022810.txt
<DESCRIPTION>13G AMENDMENT 022810
<TEXT>
APP. E4 REGULATION OF INVESTMENT ADVISORS
CUSIP No. 531172104 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
5,198,063 shares, sole voting power
6. SHARED VOTING POWER
5,400 shares, shared voting power
7. SOLE DISPOSITIVE POWER
11,302,583 shares, sole dispositive power
8. SHARED DISPOSITIVE POWER
No shares under shared dispositive power
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11,302,583 shares
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
10.02%
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)*
Liberty Property Trust
(Name of Issuer)
Ordinary Shares
(Title of Class of Securities)
531172104
(Cusip Number)
Sec 1745 (6-88)
E4-1
Items
Item 1
(a) Liberty Property Trust
(b) 500 Chesterfield Parkway, Malvern, PA 19355
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) 531172104
Item 3
(a) Investment Adviser registered under section 203 of the
Investment Advisers Act of 1940
Item 4
(a) 11,302,583 shares
(b) 10.02%
(c)
(i.) 5,198,063 shares, sole voting power
(ii.) 5,400 shares, shared voting power
(iii.) 11,302,583 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
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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