OMB APPROVAL
OMB Number:
3235-0145
Expires:
February 28, 2009
Estimated average
burden hours per
response 10.4
UNITED STATES
Securities and Exchange Commission
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 2)*
Cabot Microelectronics Corp.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
12709P103
(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:
1 Rule 13d-1(b)
0 Rule 13d-1(c)
0 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 in 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).
1.
Name of reporting persons:
I.R.S. Identification Nos. of above persons (Entities
Only)
Kornitzer Capital Management, Inc. ("KCM"), 48-
1069845
2.
Check the appropriate box if a member of a group (See
Instructions)
(a)
(b)
3.
SEC use only
4.
Citizenship or place of organization: Kansas
Number of
Shares
beneficially
owned by
each
reporting
person with:
5. Sole voting power: 0
6. Shared voting power: 2,100,327
7. Sole dispositive power: 0
8. Shared dispositive power: 2,100,327
9.
Aggregate amount beneficially owned by each reporting
person:
2,100,327
10.
Check if the aggregate amount in row (9) excludes certain shares (See
Instructions)
11.
Percent of class represented by amount in row (9): 8.7669%
12.
Type of reporting person (See Instructions): IA
Item 1.
(a) Name of issuer: Cabot Microelectronics Corp.
(b) Address of issuer's principal executive offices:
870 North Commons Drive
Aurora, IL 60504
Item 2.
(a) Name of person filing: Kornitzer Capital Management, Inc. ("KCM")
(b) Address of principal business offices or, if none, residence:
5420 West 61st Place
Shawnee Mission, KS 66205
(c) Citizenship: Kansas
(d) Title of class of securities: Common stock, $0.001 par value
(e) CUSIP number: 12709P103
Item 3. If this statement is filed pursuant to Secs. 240.13d-1(b) or 240.13d-
2(b) or (c), check whether the person filing is a:
(a) 0 Broker or dealer registered under section 15 of the
Act (15 U.S.C. 78o).
(b) 0 Bank as defined in section 3(a)(6) of the Act (15
U.S.C. 78c).
(c) 0 Insurance company as defined in section 3(a)(19) of
the Act (15 U.S.C. 78c).
(d) 0 Investment company registered under section 8 of the
Investment Company Act (15 U.S.C. 80a-8).
(e) 1 An investment adviser in accordance with section
204.13d-1(b)(1)(ii)(E).
(f) 0 An employee benefit plan or endowment fund in
accordance with section 240.13d-1(b)(1)(ii)(F).
(g) 0 A parent holding company or control person in
accordance with section 240.13d-1(b)(ii)(G).
(h) 0 A savings association as defined in Section 3(b) of
the Federal Deposit Insurance Act (12 U.S.C. 1813).
(i) 0 A church plan that is excluded from the definition of
an investment company under section 3(c)(14) of the
Investment Company Act of 1940 (15 U.S.C. 80a-3).
(j) 0 Group, in accordance with section 240.13d-1(b)(ii)(J).
Item 4. Ownership.
The following information regarding the aggregate number and percent of
the class of securities identified in Item 1 is provided as follows:
(a) Amount beneficially owned: 2,100,327
(b) Percent of class: 8.7669%.
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote: 0
(ii) shared power to vote or to direct the vote:
2,100,327
(iii) sole power to dispose or to direct the disposition of:
0
(iv) shared power to dispose or to direct the disposition
of: 2,100,327
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 0.
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
KCM is an investment adviser with respect to the shares of common stock
for the accounts of other persons who have the right to receive, and the power
to direct the receipt of, dividends from, or the proceeds from the sale of, the
common stock of Cabot Microelectronics Corp.
Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company or Control Person.
A parent holding company or control person is not filing this Schedule,
pursuant to Rule 13d-1(b)(ii)(G) promulgated under the Securities Exchange Act
of 1934 (the "Act").
Item 8. Identification and Classification of Members of the Group.
A group is not filing this Schedule pursuant to Rule 13d-1(b)(ii)(J).
Item 9. Notice of Dissolution of Group.
A notice of dissolution is not applicable to the filing of this Schedule.
Item 10. Certification.
(a) The following certification shall be included if the statement is
filed pursuant to Sec. 240.13d-1(b):
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired and are held in the ordinary
course of business and 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 purposes or effect.
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.
Date: February 1, 2007
KORNITZER CAPITAL MANAGEMENT, INC.
/s/ John C. Kornitzer
By: John C. Kornitzer, President
CUSIP NO. 12709P103
WA 742553.1
Page 4 of 5