UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934*
(Amendment No. 1)
Nextest Systems Corporation
---------------------------
(Name of Issuer)
Common Stock
------------
(Title of Class of Securities)
653339101
---------
(CUSIP Number)
December 31, 2006
-----------------
(Date of Event which Requires Filing
of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
------------------- -----------------
CUSIP No. 653339101 13G Page 2 of 8 Pages
------------------- -----------------
---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
Marshall Wace LLP
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) ]X]
---------- ---------------------------------------------------------------------
SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
England
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
------ --------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 825,000
OWNED BY ------ --------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH ------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
825,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
825,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.7%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
------------------- -----------------
CUSIP No. 653339101 13G Page 3 of 8 Pages
------------------- -----------------
---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
The Eureka Interactive Fund Limited
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) ]X]
---------- ---------------------------------------------------------------------
SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
------ --------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 825,000
OWNED BY ------ --------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH ------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
825,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
825,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.7%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
OO
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
------------------- -----------------
CUSIP No. 653339101 13G Page 4 of 8 Pages
------------------- -----------------
---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
Ian Wace
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) ]X]
---------- ---------------------------------------------------------------------
SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
England
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
------ --------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 825,000
OWNED BY ------ --------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH ------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
825,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
825,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.7%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
------------------- -----------------
CUSIP No. 653339101 13G Page 5 of 8 Pages
------------------- -----------------
---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
Mark Hawtin
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) ]X]
---------- ---------------------------------------------------------------------
SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
England
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
------ --------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 825,000
OWNED BY ------ --------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH ------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
825,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
825,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.7%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
This Amendment No. 1 to Schedule 13G (this "Amendment No. 1") is filed with
respect to the Common Stock of Nextest Systems Corporation, a Delaware
corporation, to amend the Schedule 13G filed on November 6, 2006 (the "Schedule
13G") and to report beneficial ownership of less than 5% of the total
outstanding Common Stock. Capitalized terms used but not defined herein have the
meaning ascribed thereto in the Schedule 13G.
Item 4 Amount Beneficially Owned:
-------------------------
Item 4 is hereby amended by the deletion of the text thereof in its entirety and
its replacement with the following:
The beneficial ownership of Securities by the Reporting Persons, as of December
31, 2006, is as follows:
A. Marshall Wace LLP
-----------------
(a) Amount beneficially owned: 825,000 shares of Common Stock.
(b) Percent of class: 4.7%. The percentages used herein and elsewhere in this
Schedule 13G are calculated based upon a total of 17,592,053 shares of Common
Stock issued and outstanding as of November 3, 2006 as reflected in the
Company's Quarterly Report on Form 10-Q filed on November 11, 2006.
(c) Number of shares as to which such person has:
(i) Sole power to vote or direct the vote: 0
(ii) Shared power to vote or direct the vote: 825,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 825,000
B. The Eureka Interactive Fund Limited
-----------------------------------
(a) Amount beneficially owned: 825,000
(b) Percent of class: 4.7%.
(c) Number of shares as to which such person has:
(i) Sole power to vote or direct the vote: 0
(ii) Shared power to vote or direct the vote: 825,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 825,000
C. Ian Wace
--------
(a) Amount beneficially owned: 825,000
(b) Percent of class: 4.7%.
(c) Number of shares as to which such person has:
(i) Sole power to vote or direct the vote: 0
(ii) Shared power to vote or direct the vote: 825,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 825,000
Page 6 of 8 pages
D. Mark Hawtin
-----------
(a) Amount beneficially owned: 825,000
(b) Percent of class: 4.7%.
(c) Number of shares as to which such person has:
(i) Sole power to vote or direct the vote: 0
(ii) Shared power to vote or direct the vote: 825,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 825,000
Item 5 Ownership of Five Percent or Less of a Class:
--------------------------------------------
If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following. [X]
Item 10 Certification:
-------------
Each of the Reporting Persons hereby makes the following certification:
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.
Page 7 of 8 pages
SIGNATURE
---------
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Dated: January 31, 2007
THE EUREKA INTERACTIVE FUND LIMITED
By: Marshall Wace LLP, its Investment Manager
By: /s/ Mark Hawtin
----------------------------------------------
Name: Mark Hawtin
Title: Partner
MARSHALL WACE LLP
By: /s/ Mark Hawtin
----------------------------------------------
Name: Mark Hawtin
Title: Partner
/s/ Ian Wace
--------------------------------------------------
Ian Wace
/s/ Mark Hawtin
--------------------------------------------------
Mark Hawtin
[SIGNATURE PAGE OF AMENDMENT NO. 1 TO SCHEDULE 13G
WITH RESPECT TO NEXTEST SYSTEMS CORPORATION]