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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. ________)*
Supertex, Inc.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
868532-10-2
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(CUSIP Number)
Check the following box if a fee is being paid with this statement [_]. (A fee
is not required only if the filing person: (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)
*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).
(Continued on following page(s))
Page 1 of 4 Pages
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SCHEDULE 13G
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CUSIP NO. 868532-10-2 PAGE 2 OF 4 PAGES
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NAME OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Account Management Corporation
04-2324575
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
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SEC USE ONLY
3
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SOURCE OF FUNDS*
4
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
5 PURSUANT TO ITEMS 2(d) or 2(e) [_]
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CITIZENSHIP OR PLACE OF ORGANIZATION
6
Massachusetts
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SOLE VOTING POWER
7
NUMBER OF -0-
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 8
-0-
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
9
REPORTING 1,234,200 shares
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 10
-0-
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
1,234,200 shares
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
12 [_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
9.8%
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TYPE OF REPORTING PERSON*
14
Investment Advisor (incl. officers and their families)
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
(INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
Page 2 of 4 pages
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Item 1(a) Name of Issuer:
Supertex, Inc.
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Item 1(b) Address of Issuer's Principal Executive Offices:
1235 Bordeaux Drive, Sunnyvale, CA 94089
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Item 2(a) Name of Person Filing:
Account Management Corp.
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Item 2(b) Address of Principal Business Office:
2 Newbury Street, Boston, MA 02116
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Item 2(c) Citizenship:
Massachusetts
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Item 2(d) Title of Class of Securities
Common Stock
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Item 2(e) CUSIP Number:
868532-10-2
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Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b),
check whether the person filing is a:
(e) (xx) Investment Adviser registered under section 203 of the Investment
Advisers Act of 1940
Item 4. Ownership
(a) Amount Beneficially Owned:
1,234,200 shares
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(b) Percent of Class:
9.8%
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(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: -0-
----
(iii) sole power to dispose or to direct the
disposition of 1,234,200 shares
----------------
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(iv) shared power to dispose or to direct the
disposition of -0-
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Item 5. Ownership of Five Percent or Less of a Class.
Page 3 of 4
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Item 6. Ownership of More than Five Percent on Behalf of Another Person.
N.A.
Item 7. Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding company.
N.A.
Item 8. Identification and Classification of Members of the Group.
N.A.
Item 9. Notice of Dissolution of Group.
N.A.
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 purposes or effect.
Signature.
After resonable 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.
February 6, 1998
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Date
/s/ Peter deRoetth
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Signature
Peter deRoetth, President
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Name/Title
