SEC FORM 3

SEC Form 3

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
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

GAM HOLDING AG

(Last)

(First)

(Middle)

KLAUSTRASSE 10

(Street)

8008 ZURICH

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
04/03/2007

3. Issuer Name and Ticker or Trading Symbol
ENOVA SYSTEMS INC [ ENA ]

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 of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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⁾

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: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

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.

	/s/ Hans De Gier, Chairman of the Board	08/02/2007
	/s/ David Solo, Director	07/13/2007
	/s/ Bernard Hodler, Director	08/02/2007
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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