Bitstream Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

91736108

(CUSIP Number)

May 12, 2006

(Date of Event Which Requires Filing of this Statement)

CUSIP No. 006743306

SCHEDULE 13G

Page 3 of 8 Pages

1

NAME OF REPORTING PERSON

    Highland Park Partners

S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    20-4630745

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                                                                                            (a) o

                                                                                                                                            (b) x

3

SEC USE ONLY

4

CITIZENSHIP OR PLACE OF ORGANIZATION

 Illinois   

NUMBER OF
SHARES
BENEFICIALLY

5

SOLE VOTING POWER

120,200

OWNED BY
EACH
REPORTING

6

SHARED VOTING POWER

 0

PERSON
WITH

7

SOLE DISPOSITIVE POWER

120,200

8

SHARED DISPOSITIVE POWER

0              

9

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1.33%

10

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                                                                                          o

11

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

1.33%

12

TYPE OF REPORTING PERSON*

PN

SCHEDULE 13G

Item 1(a).

Name of Issuer:

Bitstream Inc.

Item 1(b).

Address of Issuer's Principal Executive Offices:

215 First Street

Cambridge MA 02142

Item 2(a).

Name of Person Filing:

 (i)

Millennium Group LLC

 (ii)

 Highland Park Partners

Item 2(b).

Address of Principal Business Office or, if none, Residence:

Each of the Reporting Persons has a business address at 799 Central Ave, Suite 350, Highland, IL  60035.

Item 2(c).

Citizenship:

 (i)

Millennium Group LLC - Illinois

 (ii)

 Highland Park Partners - Illinois

Item 2(d).

Title of Class of Securities:

Common Stock

Item 2(e).

CUSIP Number:

91736108

Item 3.

If this statement is filed pursuant to ss.ss. 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)o

Broker or Dealer Registered Under Section 15 of the Act (15 U.S.C. 78o)

(b)o

Bank as defined in Section 3(a)(6) of the Act  (15 U.S.C 78c)

(c)o

Insurance Company as defined in section 3(a)(19) of the Act (15 U.S.C 78c)

(d)o

Investment Company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 8oa-

(e)o

Investment Adviser in accordance with ss. 240-13d-1(b) (1) (ii) (E)

(f)o

Employee benefit plan or endowment fund in accordance with ss. 240.13d-1 (b) (1) (ii) (F)

(g)o

Parent Holding Company or control person in accordance with ss.240.13d-1 (b) (ii) (G)

(h)o

Saving Association as defined in ss.3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813)

(i)o

Church plan that is excluded from the definition of investment company under ss.3 (c) (25) of the Investment Company Act 0f 1940 (15 U.S.C. 80a-3)

(j)o

Group, in accordance with ss.240.13d-1 (b) (ii) (J).

Item 4.

Ownership.

(i)

Millennium Group LLC

(a)

Amount Beneficially Owned:  359,300

(b)

Percent of Class:  3.96% (1)

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote:  359,300

(ii)

Shared power to vote or to direct the vote:  0

(iii)

Sole power to dispose or to direct the disposition of:  359,300

(iv)

Shared power to dispose or to direct the disposition of:  0

__________

(b)   Percent of class:  1.33% (2)

__________

Item 5.

Ownership of Five Percent or Less of a Class.

Not applicable.

  Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

  Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

Not applicable

Item 8.

Identification and Classification of Members of the Group.

Not applicable.

Item 9.

Notice of Dissolution of a Group.

Not applicable.

Item 10.

Certification.

By signing blow I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect.

Millennium Group LLC
 

By:  /s/ James Higgins                                        
      James Higgins, Chief Administrative Officer

Millennium Group LLC
 

By:  /s/ James Higgins                                        
      James Higgins, Chief Administrative Officer