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^*

Conacher Lionel F.

(Last)

(First)

(Middle)

C/O THOMAS WEISEL PARTNERS GROUP, INC.

ONE MONTGOMERY STREET, SUITE 3700

(Street)

SAN FRANCISCO

94104

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/02/2008

3. Issuer Name and Ticker or Trading Symbol
Thomas Weisel Partners Group, Inc. [ TWPG ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President

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	240,486	I	Held by National Bank Financial in trust for Lionel F. Conacher

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)
Exchangeable Shares	⁽¹⁾	⁽¹⁾	Common Stock	1,283,237	$0⁽¹⁾	D

Explanation of Responses:

1. Issued by TWP Acquisition Company (Canada), Inc., an indirect wholly-owned subsidiary of Thomas Weisel Partners Group, Inc. and are substantially the economic equivalent of shares of common stock of Thomas Weisel Partners Group, Inc. and entitle the holder to one vote per Exchangeable Share on the same basis and in the same circumstances as one corresponding share of common stock of Thomas Weisel Partners Group, Inc. Exchangeable Shares are exchangeable at any time, at the option of the holder on a one-for-one basis for corresponding shares of common stock of Thomas Weisel Partners Group, Inc. Exchangeable Shares are more fully described on page 56 of the Proxy Statement of Thomas Weisel Partners Group, Inc. filed with the SEC on November 7, 2007.

	/s/ Mark P. Fisher, Attorney-In-Fact	01/02/2008
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.