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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
_________
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No.)/1/
OneSource Information Services, Inc.
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(Name of Issuer)
Common Stock, par value $0.01 per share
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(Title of Class of Securities)
69272J 10 6
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(CUSIP Number)
December 31, 1999
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[_] Rule 13d-1(b)
[_] Rule 13d-1(c)
[X] Rule 13d-1(d)
___________
/1/ 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 the 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).
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CUSIP NO. 68272J 10 6 13G Page 2 of 10 Pages
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NAMES OF REPORTING PERSON.
1
William Blair Venture Partners III Limited Partnership
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
2 (a) [_]
(b) [_]
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SEC USE ONLY
3
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CITIZENSHIP OR PLACE OF ORGANIZATION
4
Illinois
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SOLE VOTING POWER
5
NUMBER OF 0
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
2,567,036 (See Item 4)
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING 0
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
2,567,036 (See Item 4)
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
2,567,036 (See Item 4)
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
10 (SEE INSTRUCTIONS)
[_]
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
25.5%
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
12
PN
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CUSIP NO. 68272J 10 6 13G Page 3 of 10 Pages
----------- --- ---
- ----------------------------- -----------------------------
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NAME OF REPORTING PERSON.
1
William Blair Venture Management Company
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
2 (a) [_]
(b) [_]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
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CITIZENSHIP OR PLACE OF ORGANIZATION
4
Illinois
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SOLE VOTING POWER
5
NUMBER OF
0
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 2,567,036 (See Item 4)
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING
0
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
2,567,036 (See Item 4)
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
2,567,036 (See Item 4)
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
10 (SEE INSTRUCTIONS)
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
25.5%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
12
PN
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CUSIP NO. 68272J 10 6 13G Page 4 of 10 Pages
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- ---------------------------- ----------------------------
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NAME OF REPORTING PERSON.
1
William Blair & Company, L.L.C.
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
2 (a) [_]
(b) [_]
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SEC USE ONLY
3
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CITIZENSHIP OR PLACE OF ORGANIZATION
4
Delaware
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SOLE VOTING POWER
5
NUMBER OF
0
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 2,567,036 (See Item 4)
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING
0
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
2,567,036 (See Item 4)
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
2,567,036 (See Item 4)
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
10 (SEE INSTRUCTIONS)
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
25.5%
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
12
00
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CUSIP NO. 68272J 10 6 13G Page 5 of 10 Pages
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NAME OF REPORTING PERSON.
1
Samuel B. Guren
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
2 (a) [_]
(b) [_]
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SEC USE ONLY
3
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CITIZENSHIP OR PLACE OF ORGANIZATION
4
United States of America
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SOLE VOTING POWER
5
NUMBER OF
0
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
OWNED BY 2,567,036 (See Item 4)
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING
0
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
2,567,036 (See Item 4)
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
2,567,036 (See Item 4)
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
10 (SEE INSTRUCTIONS)
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
25.5%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
12
IN
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Item 1(a) Name of Issuer
OneSource Information Services, Inc. (the "Company")
Item 1(b) Address of Issuer's Principal Executive Offices
300 Baker Avenue
Concord, Massachusetts 01742
Item 2(a) Name of Person Filing
This Statement is filed jointly by each of the following persons
pursuant to Rule 13d-1(k) promulgated by the Securities and
Exchange Commission ("SEC") under Section 13 of the Securities
and Exchange Act of 1934, as amended (the "Act"): (i) William
Blair Venture Partners III Limited Partnership (the "Fund"), an
Illinois limited partnership, by virtue of its direct beneficial
ownership of Common Stock; (ii) William Blair Venture Management
Company ("VentureCo"), an Illinois general partnership, by virtue
of its being the general partner of the fund; (iii) William Blair
& Company, L.L.C. ("WBCO"), a Delaware limited liability company,
by virtue of its being a general partner of VentureCo the shared
right, with Guren (defined below), to make all investment and
voting decisions made by VentureCo and (iv) Samuel B. Guren
("Guren", together with the Fund, VentureCO and WBCO, each a
"Reporting Person", and collectively, "Reporting Persons"), an
individual, by virtue of his being the managing general partner
of VentureCo with the shared right with WBCO to make all
investment and voting decisions made by VentureCo. By virtue of
being general partners of VentureCO, Gregg S, Newmark and Ellen
Carnahan may be deemed to possess indirect beneficial ownership
of the Common Stock, but such beneficial ownership is disclaimed.
WBCO and Guren share power to vote or to direct the vote and
share power to dispose or to direct the disposition of the Common
Stock. No individual has sole power to vote, direct the vote,
dispose or direct the disposition of the Common Stock.
By virtue of being members of the Executive committee of WBCO, E.
David Coolidge III (also serves as Managing Director and Chief
Executive Officer of WBCO), James D. Mckinney, James L. Barber,
Albert J. lacher, Joseph F. Lamanna, Richard P. Kiphart, Richard
D. Gottfred and John P. Kayser may be deemed to possess indirect
beneficial ownership of the Common Stock, but such beneficial
ownership is disclaimed.
The Reporting Persons have entered into an Agreement Related to
the Joint Filing of Schedule 13G, dated February 14, 2000, a copy
of which is filed with this Schedule 13G as Exhibit A, pursuant
to which the Reporting Persons have agreed to file this statement
jointly in accordance with the provisions of Rule 13d-1(k) under
the Act. Information with respect to each of the Reporting
Persons is given solely by such Reporting Person, and no
Reporting Person assumes responsibility for the accuracy or
completeness of information provided by another Reporting Person.
By their
Page 6 of 10
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signature on this statement, each of the Reporting Persons agrees
that this statement is filed on behalf of such Reporting Person.
The Reporting Persons may be deemed to constitute a "group" for
purposes of Section 13(d)(3) of the Act. The Reporting Persons
expressly disclaim that they have agreed to act as a group other
than as described in this statement.
Item 2(b) Address of Principal Business Office or, if none, Residence
The address of the principal business office of each of the Fund,
VentureCo, WBCO and Guren is 222 West Adams Street, Chicago,
Illinois 60606.
Item 2(c) Citizenship:
The Fund is an Illinois limited partnership, VentureCo is an
Illinois general partnership. WBCO ia a Delaware limited
liability company, and Guren is a citizen of the United States of
America.
Item 2(d) Title of Class of Securities:
Common Stock, par value $0.01 per share ("Common Stock").
Item 2(e) CUSIP Number:
68272J 10 6
Item 3. If this statement is filed pursuant to (S)(S)240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:
Not Applicable
Item 4. Ownership.
As of December 31, 1999, the fund was the registered owner of
2,567,036 shares of Common Stock or approximately 25.5% of the
total number of shares of Common Stock outstanding as of such
date (as determined by using the total number of shares of Common
Stock outstanding set forth in the Company's FOrm 10-Q for the
quarter ended September 30, 1999). By virtue of the relationship
between (i) the Fund and VentureCo and (ii) VentureCO and each of
WBCO and Guren described in Item 2(a), each of VentureCo, WBCO
and Guren may be deemed to possess indirect beneficial ownership
of and shares the power to vote or direct the vote of the shares
of COmmon Stock beneficially owned by the Fund.
Each of VentureCo, WBCO and Guren disclaim beneficial ownership
of the shares of Common Stock by the Fund. The filing of this
statement by each of VentureCo, WBCO and Guren shall not be
construed as an admission that they are, for the purpose of
Section 13(d) or Section 13(g) of the Act, the beneficial owner
of any securities covered by this statement.
Page 7 of 10
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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:
Not Applicable
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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.
Date: February 14, 2000
William Blair Venture Partners III
Limited Partnership
By: William Blair Venture Management
Company, its general partner
By: /s/ Gregg S. Newmark
-----------------------------------
Its: General Partner
William Blair Venture Management
Company
By: /s/ Gregg S. Newmark
-----------------------------------
Its: General Partner
William Blair & Company, L.L.C.
By: /s/ Gregg S. Newmark
-----------------------------------
Its: Principal
Samuel B. Guren
/s/ Samuel B. Guren
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Page 9 of 10
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EXHIBIT A
---------
AGREEMENT REGARDING THE JOINT FILING OF
SCHEDULE 13G
_________________________
William Blair Venture Partners III Limited Partnership, William Blair Venture
Management Company, William Blair & Company, L.L.C. and Samuel B. Guren, hereby
agree that the Statement on Schedule 13G to which this agreement is attached as
an exhibit, as well as all future amendments to such statement, shall be filed
jointly on behalf of each of them. This agreement is intended to satisfy the
requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934,
as amended.
Date: February 14, 2000
William Blair Venture Partners III
Limited Partnership
By: William Blair Venture Management
Company, its general partner
By: /s/ Gregg S. Newmark
-----------------------------------
Its: General Partner
William Blair Venture Management
Company
By: /s/ Gregg S. Newmark
-----------------------------------
Its: General Partner
William Blair & Company, L.L.C.
By: /s/ Gregg S. Newmark
-----------------------------------
Its: Principal
Samuel B. Guren
/s/ Samuel B. Guren
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