Schedule 13G

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, D6PmTnLzfB7VuWwmgXe3YNlTusImfoRAOVKcvHoOR+aTaZcUN4DwRImE1GgVP7IH jc5yVH32JvM/876tFIdknQ== 0001193125-04-022446.txt : 20040213 0001193125-04-022446.hdr.sgml : 20040213 20040213112050 ACCESSION NUMBER: 0001193125-04-022446 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20040213 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SUPERTEX INC CENTRAL INDEX KEY: 0000730000 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 942328535 STATE OF INCORPORATION: CA FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-36955 FILM NUMBER: 04595784 BUSINESS ADDRESS: STREET 1: 1235 BORDEAUX DR CITY: SUNNYVALE STATE: CA ZIP: 94089 BUSINESS PHONE: 4087440100 MAIL ADDRESS: STREET 1: 1235 BORDEAUX DR CITY: SUNNYVALE STATE: CA ZIP: 94089 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ACCOUNT MANAGEMENT CORP /MA/ CENTRAL INDEX KEY: 0000769954 IRS NUMBER: 042326575 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 2 NEWBERRY STREET CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6172364200 MAIL ADDRESS: STREET 1: 2 NEWBERRY STREET CITY: BOSTON STATE: MA ZIP: 02116 SC 13G 1 dsc13g.htm SCHEDULE 13G Schedule 13G

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under The Securities Exchange Act of 1934

(Amendment No. )*

Supertex, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

868532-10-2

(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 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


CUSIP No. 868532-10-2		13G		Page 2 of 4 Pages



1.		Name of Reporting Person S.S. or I.R.S. Identification No. of above person. Account Management, LLC 04-3560441

2.		Check the Appropriate Box if a Member of a Group* (a) ¨ (b) x

3.		SEC Use Only

4.		Citizenship or Place of Organization Massachusetts

NUMBER OF

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

5. Sole Voting Power

-0-

6. Shared Voting Power

-0-

7. Sole Dispositive Power

748,550

8. Shared Dispositive Power


9.		Aggregate Amount Beneficially Owned by Each Reporting Person 748,550

10.		Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares* ¨

11.		Percent of Class Represented by Amount in Row 9 5.7%

12.		Type of Reporting Person* Investment Advisor (including officers and their families)

*SEE INSTRUCTION BEFORE FILLING OUT!

Item 1.

(a)

Name of Issuer:

Supertex, Inc.

(b)

Address of Issuer’s Principal Executive Offices:

1235 Bordeaux Drive, Sunnyvale, CA 94089

Item 2.

(a)

Name of Person Filing:

Account Management, LLC

(b)

Address of Principal Business Office:

17 Arlington Street, Boston, MA 02116

(c)

Citizenship:

Massachusetts

(d)

Title of Class of Securities:

Common Stock

(e)

CUSIP Number:

868532-10-2

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)

Investment Adviser registered under section 203 of the Investment Advisers Act of 1940

Item 4.

Ownership

(a)

Amount Beneficially Owned:

748,550

(b)

Percent of Class:

5.7%

(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 748,550

(iv)

shared power to dispose or to direct the disposition of -0-

Item 5.

Ownership of Five Percent or Less of a Class.

Page 3 of 4



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 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.

February 12, 2004

Date

/s/ Richard C. Albright

Signature

/s/ Richard C. Albright, Principal

Name/Title

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