UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934*
Nextest Systems Corporation
(Name of Issuer)
Common Stock
(Title of Class of Securities)
653339101
(CUSIP Number)
October 26, 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 11 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]
---------- ---------------------------------------------------------------------
3 SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
England
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
NUMBER OF ------ --------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 900,000
EACH ------ --------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 0
------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
900,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
900,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.1%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
-------------------- ------------------
CUSIP No. 653339101 13G Page 3 of 11 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]
---------- ---------------------------------------------------------------------
3 SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
NUMBER OF ------ --------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 900,000
EACH ------ --------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 0
------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
900,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
900,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.1%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
OO
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
-------------------- ------------------
CUSIP No. 653339101 13G Page 4 of 11 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]
---------- ---------------------------------------------------------------------
3 SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
England
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
NUMBER OF ------ --------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 900,000
EACH ------ --------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 0
------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
900,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
900,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.1%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
-------------------- ------------------
CUSIP No. 653339101 13G Page 5 of 11 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]
---------- ---------------------------------------------------------------------
3 SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
England
---------------------------- ------ --------------------------------------------
5 SOLE VOTING POWER
0
NUMBER OF ------ --------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 900,000
EACH ------ --------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 0
------ --------------------------------------------
8 SHARED DISPOSITIVE POWER
900,000
--------- ----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
900,000
--------- ----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
--------- ----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.1%
--------- ----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------- ----------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT
Item 1(a) Name of Issuer:
--------------
The name of the issuer is Nextest Systems Corporation, a Delaware corporation
(the "Company").
Item 1(b) Address of Issuer's Principal Executive Offices:
-----------------------------------------------
The Company's principal executive office is located at 1901 Monterey Rd., San
Jose, California 95112.
Items 2(a) Name of Person Filing:
---------------------
This Schedule 13G is filed by:
(i) Marshall Wace LLP, a limited liability partnership incorporated in
England (the "Investment Manager"), which serves as investment manager
or adviser to a variety of hedge funds and managed accounts, including
The Eureka Interactive Fund Limited;
(ii) The Eureka Interactive Fund Limited, an exempted company incorporated
with limited liability in the Cayman Islands, which operates as an
open-ended investment fund (the "Fund") that owns the shares of Common
Stock (as defined in Item 2(d)) (the "Securities");
(v) Mr. Ian Wace ("Mr. Wace"), who is a co-founder and equity owner of the
Investment Manager and who is responsible for the investment decisions
of the Investment Manager with respect to the Securities; and
(vi) Mr. Mark Hawtin ("Mr. Hawtin"), who is an equity owner of the
Investment Manager and who is responsible for the investment decisions
of the Investment Manager with respect to the Securities.
The Investment Manager, Fund and Messrs. Wace and Hawtin are hereinafter
sometimes collectively referred to as the "Reporting Persons."
Item 2(b) Address of Principal Business Office:
------------------------------------
The address of the principal business office of each of the Reporting Persons is
The Adelphi, 13th Floor, 1/11 John Adam Street London, England WC2N 6HT.
Item 2(c) Citizenship:
-----------
The Fund is an exempted company incorporated with limited liability in the
Cayman Islands. The Investment Manager is incorporated in England. Messrs. Wace
and Hawtin are British citizens.
Page 6 of 11 pages
Item 2(d) Title of Class of Securities:
----------------------------
Common Stock, $0.001 par value ("Common Stock").
Item 2(e) CUSIP Number:
------------
653339101
Item 3: If this statement is filed pursuant to Rules 13d-1(b) or
--------------------------------------------------------
13d-2(b) or (c), check whether the person filing is a:
-----------------------------------------------------
A. [ ] Broker or dealer registered under Section 15 of the Act,
B. [ ] Bank as defined in Section 3(a)(6) of the Act,
C. [ ] Insurance Company as defined in Section 3(a)(19) of the Act,
D. [ ] Investment Company registered under Section 8 of the
Investment Company Act of 1940,
E. [ ] Investment Adviser in accordance with Rule 13d-1
(b)(1)(ii)(E),
F. [ ] Employee Benefit Plan or Endowment Fund in accordance with
13d-1 (b)(1)(ii)(F),
G. [ ] Parent Holding Company or control person in accordance with
Rule 13d-1 (b)(1)(ii)(G),
H. [ ] Savings Association as defined in Section 3(b) of the Federal
Deposit Insurance Act,
I. [ ] Church Plan that is excluded from the definition of an
investment company under Section 3(c)(14) of the Investment
Company Act of 1940,
J. [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
Item 4 Amount Beneficially Owned:
-------------------------
The beneficial ownership of Securities by the Reporting Persons, as of the date
hereof, is as follows:
A. The Eureka Interactive Fund Limited
-----------------------------------
(a) Amount beneficially owned: 900,000 shares of Common Stock.
(b) Percent of class: 5.1%. The percentages used herein and elsewhere in this
Schedule 13G are calculated based upon a total of 17,513,178 shares of Common
Stock issued and outstanding as of September 5, 2006 as reflected in the
Company's Annual Report on Form 10-K filed on September 12, 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: 900,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 900,000
Page 7 of 11 pages
B. Marshall Wace LLP
-----------------
(a) Amount beneficially owned: 900,000
(b) Percent of class: 5.1%.
(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: 900,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 900,000
C. Ian Wace
--------
(a) Amount beneficially owned: 900,000
(b) Percent of class: 5.1%.
(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: 900,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 900,000
D. Mark Hawtin
-----------
(a) Amount beneficially owned: 900,000
(b) Percent of class: 5.1%.
(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: 900,000
(iii) Sole power to dispose or direct the disposition: 0
(iv) Shared power to dispose or direct the disposition: 900,000
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. [ ]
Item 6 Ownership of More than Five Percent on Behalf of Another
--------------------------------------------------------
Person:
------
Other than as set forth herein, no other person has the right to receive or the
power to direct the receipt of dividends from, or proceeds from the sale of, in
excess of 5% of the total outstanding Common Stock.
Item 7 Identification and Classification of the
----------------------------------------
Subsidiary Which Acquired the Security Being
--------------------------------------------
Reported on By the Parent Holding Company:
-----------------------------------------
Not Applicable
Page 8 of 11 pages
Item 8 Identification and Classification of Members
--------------------------------------------
of the Group:
------------
Not Applicable
Item 9 Notice of Dissolution of Group:
------------------------------
Not Applicable
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 9 of 11 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: November 6, 2006
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 SCHEDULE 13G
WITH RESPECT TO NEXTEST SYSTEMS CORPORATION]
Exhibit Index
-------------
Exhibit 99.1: Joint Filing Agreement, dated November 6, 2006, by and
between The Eureka Interactive Fund Limited, Marshall Wace
LLP, Ian Wace and Mark Hawtin.