Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
|
|
o
|
Rule 13d-1(b)
|
x
|
Rule 13d-1(c)
|
o
|
Rule 13d-1(d)
|
CUSIP No. 00448Q201
|
SCHEDULE 13G
|
Page 2 of 7 Pages
|
1
|
NAMES OF REPORTING PERSONS
Quaker BioVentures II, L.P.
Quaker BioVentures Capital II, L.P.
Quaker BioVentures Capital II, LLC
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
|
||
3
|
SEC USE ONLY
|
||
4
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Quaker BioVentures II, L.P. – Delaware
Quaker BioVentures Capital II, L.P. – Delaware
Quaker BioVentures Capital II, LLC – Delaware
|
||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE VOTING POWER*
Quaker BioVentures II, L.P. – 0
Quaker BioVentures Capital II, L.P. – 0
Quaker BioVentures Capital II, LLC – 0
|
|
6
|
SHARED VOTING POWER
Quaker BioVentures II, L.P. – 2,863,253
Quaker BioVentures Capital II, L.P. – 2,863,253
Quaker BioVentures Capital II, LLC – 2,863,253
|
||
7
|
SOLE DISPOSITIVE POWER
Quaker BioVentures II, L.P. – 0
Quaker BioVentures Capital II, L.P. – 0
Quaker BioVentures Capital II, LLC – 0
|
||
8
|
SHARED DISPOSITIVE POWER
Quaker BioVentures II, L.P. – 2,863,253
Quaker BioVentures Capital II, L.P. – 2,863,253
Quaker BioVentures Capital II, LLC – 2,863,253
|
||
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
Quaker BioVentures II, L.P. – 2,863,253
Quaker BioVentures Capital II, L.P. – 2,863,253
Quaker BioVentures Capital II, LLC – 2,863,253
|
||
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
o
|
||
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9**
Quaker BioVentures II, L.P. – 4.1%
Quaker BioVentures Capital II, L.P. – 4.1%
Quaker BioVentures Capital II, LLC – 4.1%
|
||
12
|
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
Quaker BioVentures II, L.P. – PN
Quaker BioVentures Capital II, L.P. – PN
Quaker BioVentures Capital II, LLC – OO
|
*
|
All share numbers and ownership percentages reported herein are as of December 31, 2011.
|
**
|
All ownership percentages reported herein are based on 69,743,721 outstanding shares of the Issuer’s common stock as of November 1, 2011.
|
CUSIP No. 00448Q201
|
SCHEDULE 13G
|
Page 3 of 7 Pages
|
Item 1(a)
|
Name of Issuer:
Achillion Pharmaceuticals, Inc.
|
Item 1(b)
|
Address of Issuer’s Principal Executive Offices:
300 George Street, New Haven, CT 06511
|
Item 2(a)
|
Name of Person Filing:
Quaker BioVentures II, L.P.
Quaker BioVentures Capital II, L.P.
Quaker BioVentures Capital II, LLC
|
Item 2(b)
|
Address of Principal Business Office or, if none, Residence:
The address of the principal business office of each of the Reporting Persons is 2929 Arch Street, Cira Centre, Philadelphia, PA 19104-2868.
|
Item 2(c)
|
Citizenship:
Quaker BioVentures II, L.P. – Delaware
Quaker BioVentures Capital II, L.P. – Delaware
Quaker BioVentures Capital II, LLC – Delaware
|
Item 2(d)
|
Title of Class of Securities:
Common Stock, $0.001 par value per share
|
Item 2(e)
|
CUSIP Number:
00448Q201
|
Item 3
|
Not applicable.
|
CUSIP No. 00448Q201
|
SCHEDULE 13G
|
Page 4 of 7 Pages
|
Item 4
|
Ownership.***
Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned:
Quaker BioVentures II, L.P. – 2,863,253
Quaker BioVentures Capital II, L.P. – 2,863,253
Quaker BioVentures Capital II, LLC – 2,863,253
(b) Percent of class:
Quaker BioVentures II, L.P. – 4.1%
Quaker BioVentures Capital II, L.P. – 4.1%
Quaker BioVentures Capital II, LLC – 4.1%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote
Quaker BioVentures II, L.P. – 0
Quaker BioVentures Capital II, L.P. – 0
Quaker BioVentures Capital II, LLC – 0
(ii) Shared power to vote or to direct the vote
Quaker BioVentures II, L.P. – 2,863,253
Quaker BioVentures Capital II, L.P. – 2,863,253
Quaker BioVentures Capital II, LLC – 2,863,253
(iii) Sole power to dispose or to direct the disposition of
Quaker BioVentures II, L.P. – 0
Quaker BioVentures Capital II, L.P. – 0
Quaker BioVentures Capital II, LLC – 0
(iv) Shared power to dispose or to direct the disposition of
Quaker BioVentures II, L.P. – 2,863,253
Quaker BioVentures Capital II, L.P. – 2,863,253
Quaker BioVentures Capital II, LLC – 2,863,253
|
Quaker BioVentures Capital II, L.P. is the general partner of Quaker BioVentures II, L.P. Quaker BioVentures Capital II, LLC is the general partner of Quaker BioVentures Capital II, L.P. |
Item 5
|
Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following box. x
|
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 or Control Person.
Not applicable.
|
|
CUSIP No. 00448Q201
|
SCHEDULE 13G
|
Page 5 of 7 Pages
|
Item 8
|
Identification and Classification of Members of the Group.
Each of the Reporting Persons may be deemed to be a member of a group with respect to the issuer or securities of the issuer for the purpose of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as amended.
|
Item 9
|
Notice of Dissolution of Group.
Not applicable.
|
Item 10
|
Certification.
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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 that purpose or effect.
|
CUSIP No. 00448Q201
|
SCHEDULE 13G
|
Page 6 of 7 Pages
|
Date: February 14, 2012
|
QUAKER BIOVENTURES II, L.P.
By: Quaker BioVentures Capital II, L.P., its general partner
By: Quaker BioVentures Capital II, LLC, its general partner
/s/ Richard S. Kollender
Name: Richard S. Kollender
Title: Vice President
|
QUAKER BIOVENTURES CAPITAL II, L.P.
By: Quaker BioVentures Capital II, LLC, its general partner
/s/ Richard S. Kollender
Name: Richard S. Kollender
Title: Vice President
|
|
QUAKER BIOVENTURES CAPITAL II, LLC
/s/ Richard S. Kollender
Name: Richard S. Kollender
Title: Vice President
|
CUSIP No. 00448Q201
|
SCHEDULE 13G
|
Page 7 of 7 Pages
|
QUAKER BIOVENTURES II, L.P.
By: Quaker BioVentures Capital II, L.P., its general partner
By: Quaker BioVentures Capital II, LLC, its general partner
/s/ Richard S. Kollender
Name: Richard S. Kollender
Title: Vice President
|
|
QUAKER BIOVENTURES CAPITAL II, L.P.
By: Quaker BioVentures Capital II, LLC, its general partner
/s/ Richard S. Kollender
Name: Richard S. Kollender
Title: Vice President
|
|
QUAKER BIOVENTURES CAPITAL II, LLC
/s/ Richard S. Kollender
Name: Richard S. Kollender
Title: Vice President
|