Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  GAM HOLDING AG
 2. Date of Event Requiring Statement (Month/Day/Year)
04/03/2007		 3. Issuer Name and Ticker or Trading Symbol
ENOVA SYSTEMS INC [ENA]
(Last)
(First)
(Middle)
KLAUSTRASSE 10		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

8008 ZURICH, V8 		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 1,514,275
I (1)
See footnote (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
GAM HOLDING AG
KLAUSTRASSE 10
8008 ZURICH, V8 		     X    

Signatures

/s/ Hans De Gier, Chairman of the Board 08/02/2007
**Signature of Reporting Person Date
/s/ David Solo, Director 07/13/2007
**Signature of Reporting Person Date
/s/ Bernard Hodler, Director 08/02/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This report is filed by GAM Holding AG, a holding company registered in Switzerland. GAM International Management Limited ("GIML") and GAM London Limited ("GAM London") are wholly-owned subsidiaries of GAM Holding AG. GIML is the investment adviser of GAM UK Diversified and GAM Exempt Trust and GAM London is the investment adviser of St. James's Place Recovery Unit Trust (collectively, the "Funds") and therefore indirectly own the 1,514,275 shares of Common Stock in Enova Systems, Inc. of which the Funds hold. GIML, GAM London and GAM Holding AG disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest.

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