UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )<F1>
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Sevenson Environmental Services, Inc.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
818063109
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(CUSIP Number)
October 7, 1999
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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)
<F1> 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).
<PAGE>
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CUSIP No. 818063109 13G
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1 NAME OF REPORTING PERSON
S.S. or 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<F1>
(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
NUMBER OF ------------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 229,400
OWNED BY ------------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING None
PERSON ------------------------------------------------------------------
WITH 8 SHARED DISPOSITIVE POWER
229,400
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
229,400
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES<F1>
Not Applicable
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
10.92%
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12 TYPE OF REPORTING PERSON<F1>
IA
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<F1> SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
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CUSIP No. 818063109 13G
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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<F1>
(a)[ ]
Not Applicable (b)[ ]
- - -------------------------------------------------------------------------------
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 ------------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 229,400
OWNED BY ------------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING None
PERSON ------------------------------------------------------------------
WITH 8 SHARED DISPOSITIVE POWER
229,400
- - -------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
229,400
- - -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES<F1>
Not Applicable
- - -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
10.92%
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12 TYPE OF REPORTING PERSON<F1>
CO
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<F1> SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
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CUSIP No. 818063109 13G
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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<F1>
(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 ------------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 229,400
OWNED BY ------------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING None
PERSON ------------------------------------------------------------------
WITH 8 SHARED DISPOSITIVE POWER
229,400
- - -------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
229,400
- - -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES<F1>
Not Applicable
- - -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
10.92%
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12 TYPE OF REPORTING PERSON<F1>
IN
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<F1> SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
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CUSIP No. 818063109 13G
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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<F1>
(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.
- - -------------------------------------------------------------------------------
5 SOLE VOTING POWER
None
NUMBER OF ------------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 229,400
OWNED BY ------------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING None
PERSON ------------------------------------------------------------------
WITH 8 SHARED DISPOSITIVE POWER
229,400
- - -------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
229,400
- - -------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES<F1>
Not Applicable
- - -------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
10.92%
- - -------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON<F1>
IN
- - -------------------------------------------------------------------------------
<F1>SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
Item 1(a) Name of Issuer:
Sevenson Environmental Services, Inc.
Item 1(b) Address of Issuer's Principal Executive Offices:
2749 Lockport Road
Niagara Falls, NY 14302
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:
818063109
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.
<PAGE>
Item 4 Ownership (at December 9, 1999):
(a) Amount owned "beneficially" within the meaning of rule
13d-3:
229,400 shares
(b) Percent of class:
10.92% (based on 2,101,000 shares outstanding on
November 30, 1999)
(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:
229,400
(iii) sole power to dispose or to direct the
disposition of: None
(iv) shared power to dispose or to direct disposition
of: 229,400
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
investment advisory clients of Artisan Partners over the
accounts of which Artisan Partners has discretionary
authority. Persons other than Artisan Partners are entitled
to receive all dividends from, and proceeds from the sale
of, those shares.
Item 7 Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company:
Not Applicable
Item 8 Identification and Classification of Members of the Group:
Not Applicable
Item 9 Notice of Dissolution of Group:
Not Applicable
<PAGE>
Item 10 Certification:
By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired in the
ordinary course of business and were not acquired for the purpose
of and do not have the effect of changing or influencing the
control of the issuer of such securities and were not acquired in
connection with or as a participant in any transaction having
such purpose or effect.
<PAGE>
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 13, 1999
The undersigned corporation, on the date above written,
agrees and consents to the joint filing on its behalf of
this Schedule 13G in connection with its beneficial
ownership of the security reported herein.
ARTISAN INVESTMENT CORPORATION
for itself and as general partner of
ARTISAN PARTNERS LIMITED PARTNERSHIP
By: /s/ Lawrence Totsky
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Lawrence A. Totsky
Chief Financial Officer
The undersigned individuals, on the date above written,
agree and consent to the joint filing on their behalf of
this Schedule 13G in connection with their beneficial
ownership of the security reported herein.
ANDREW A. ZIEGLER
/s/ Andrew A. Ziegler
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CARLENE MURPHY ZIEGLER
/s/ Carlene Murphy Ziegler
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