Ldr Holding Corp (LDRH): Magnetar Capital Reports New Stake

NAME OF
REPORTING PERSON:

Magnetar Financial LLC

CHECK THE APPROPRIATE BOX IF A MEMBER
OF A GROUP

(a)  ¨        (b)  x

SEC USE ONLY

SOURCE OF FUNDS

OO

CHECK BOX IF DISCLOSURE OF LEGAL
PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)  ¨

CITIZENSHIP OR PLACE OF
ORGANIZATION

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

0

SHARED VOTING POWER

1,904,584

SOLE DISPOSITIVE POWER

0

SHARED DISPOSITIVE POWER

1,904,584

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,904,584

CHECK BOX IF THE AGGREGATE AMOUNT IN
ROW (11) EXCLUDES CERTAIN SHARES  ¨

PERCENT OF CLASS REPRESENTED BY AMOUNT
IN ROW (11)

6.5%

TYPE OF REPORTING PERSON

IA; OO