13G Filing: Visium Asset Management Has Nearly Doubled Its Stake in La Jolla Pharmaceutical Co (LJPC)

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Page 2 of 12 SEC Filing


CUSIP No. 503459604 Page
2
of 12Pages
  1 

NAMES OF
REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

Visium Balanced Master Fund, Ltd.

  2

CHECK THE APPROPRIATE BOX IF A MEMBER
OF A GROUP*

(a)  ¨        (b)  ¨

  3

SEC USE ONLY

  4

CITIZENSHIP OR PLACE OF
ORGANIZATION

Cayman Islands

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

None

6

SHARED VOTING POWER

1,182,013 (See Item 4)

7

SOLE DISPOSITIVE POWER

None

8

SHARED DISPOSITIVE POWER

1,182,013 (See Item 4)

  9

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,182,013 (See Item 4)

10

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

Not Applicable

11

PERCENT OF CLASS REPRESENTED BY AMOUNT
IN ROW (9)

6.5%

12

TYPE OF REPORTING PERSON*

CO

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