UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 2 )*
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Minerals Technologies Inc.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
603158106
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(CUSIP Number)
November 30, 2001
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant
to which this Schedule is filed:
[ x ] Rule 13d-1(b)
[ ] 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 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).
13G
CUSIP No. 603158106
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1 NAME OF REPORTING PERSON /
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Artisan Partners Limited Partnership 39-1807188
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see Instructions)
(a) [ ]
Not Applicable
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5 SOLE VOTING POWER
None
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NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,970,736
OWNED BY ---------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH ---------------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,970,736
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,970,736
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see Instructions)
Not Applicable
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
10.1%
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12 TYPE OF REPORTING PERSON
(see Instructions)
IA
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13G
CUSIP No. 603158106
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1 NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Artisan Investment Corporation
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see Instructions)
(a) [ ]
Not Applicable
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Wisconsin
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5 SOLE VOTING POWER
None
---------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,970,736
OWNED BY ---------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH ---------------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,970,736
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,970,736
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see Instructions)
Not Applicable
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
10.1%
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12 TYPE OF REPORTING PERSON
(see Instructions)
CO
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13G
CUSIP No. 603158106
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1 NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Andrew A. Ziegler
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see Instructions)
(a) [ ]
Not Applicable
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
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5 SOLE VOTING POWER
None
---------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,970,736
OWNED BY ---------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH ---------------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,970,736
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,970,736
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see Instructions)
Not Applicable
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
10.1%
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12 TYPE OF REPORTING PERSON
(see Instructions)
IN
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13G
CUSIP No. 603158106
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1 NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Carlene Murphy Ziegler
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(see Instructions)
(a) [ ]
Not Applicable
(b) [ ]
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
None
---------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,970,736
OWNED BY ---------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH ---------------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,970,736
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,970,736
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(see Instructions)
Not Applicable
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
10.1%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
(see Instructions)
IN
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Item 1(a) Name of Issuer:
Minerals Technologies Inc.
Item 1(b) Address of Issuer's Principal Executive Offices:
405 Lexington Avenue
New York, NY 10174-1901
Item 2(a) Name of Person Filing:
Artisan Partners Limited Partnership
("Artisan Partners")
Artisan Investment Corporation, the general
partner of Artisan Partners
("Artisan Corp.")
Andrew A. Ziegler
Carlene Murphy Ziegler
Item 2(b) Address of Principal Business Office:
Artisan Partners, Artisan Corp., Mr. Ziegler
and Ms. Ziegler are all located at:
1000 North Water Street, #1770
Milwaukee, WI 53202
Item 2(c) Citizenship:
Artisan Partners is a Delaware limited
partnership
Artisan Corp. is a Wisconsin corporation
Mr. Ziegler and Ms. Ziegler are U.S.
citizens
Item 2(d) Title of Class of Securities:
Common Stock
Item 2(e) CUSIP Number:
603158106
Item 3 Type of Person:
(e) Artisan Partners is an investment
adviser registered under section 203 of the
Investment Advisers Act of 1940; Artisan
Corp. is the General Partner of Artisan
Partners; Mr. Ziegler and Ms. Ziegler are
the principal stockholders of Artisan Corp.
Item 4 Ownership (at November 30, 2001):
(a) Amount owned "beneficially" within
the meaning of rule 13d-3:
1,970,736
(b) Percent of class:
10.1% (based on 19,575,124 shares
outstanding as of October 26, 2001)
(c) Number of shares as to which such
person has:
(i) sole power to vote or
to direct the vote: None
(ii) shared power to vote or
to direct the vote:
1,970,736
(iii) sole power to dispose or
to direct the
disposition of: None
(iv) shared power to dispose
or to direct disposition
of: 1,970,736
Item 5 Ownership of Five Percent or Less of a Class:
Not Applicable
Item 6 Ownership of More than Five Percent on Behalf of
Another Person:
The shares reported herein have been
acquired on behalf of discretionary clients
of Artisan Partners. Persons other than
Artisan Partners are entitled to receive all
dividends from, and proceeds from the sale
of, those shares. None of those persons, to
the knowledge of Artisan Partners, Mr.
Ziegler or Ms. Ziegler, has an economic
interest in more than 5% of the class.
Item 7 Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on by the
Parent Holding Company or Control Person:
Not Applicable
Item 8 Identification and Classification of Members of the
Group:
Not Applicable
Item 9 Notice of Dissolution of Group:
Not Applicable
Item 10 Certification:
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 purpose or effect.
Signature
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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: December 10, 2001
ARTISAN INVESTMENT CORPORATION
for itself and as general partner of
ARTISAN PARTNERS LIMITED PARTNERSHIP
By: /s/ Andrew A. Ziegler
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Andrew A. Ziegler
President
ANDREW A. ZIEGLER
/s/ Andrew A. Ziegler
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CARLENE MURPHY ZIEGLER
/s/ Carlene Murphy Ziegler
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Exhibit Index
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Exhibit 1 Joint Filing Agreement dated as of December
10, 2001 by and among Artisan Partners
Limited Partnership, Artisan Investment
Corporation, Andrew A. Ziegler, and
Carlene Murphy Ziegler