SECURITIES & EXCHANGE COMMISSION
Washington, D.C. 20549
----------------------
SCHEDULE 13GA*
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO 13d-2(b)
Affiliated Managers Group, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
008252108
(CUSIP Number)
December 31, 2001
(Date of event which requires filing of this statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule 13G is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
(Page 1 of 12 Pages)
----------------
*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 purposes 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).
CUSIP No. 008252108 13GA Page 2 of 12 Pages
------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Lone Spruce, L.P.
------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [X]
(b) [ ]
------------------------------------------------------------------------
(3) SEC USE ONLY
------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ______________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
43,162
OWNED BY ______________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ______________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
43,162
------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
43,162
------------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
0.2%
------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
PN
------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 008252108 13GA Page 3 of 12 Pages
------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Lone Balsam, L.P.
------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [X]
(b) [ ]
------------------------------------------------------------------------
(3) SEC USE ONLY
------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ______________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
94,717
OWNED BY ______________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ______________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
94,717
------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
94,717
------------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
0.4%
------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
PN
------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 008252108 13GA Page 4 of 12 Pages
------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Lone Sequoia, L.P.
------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [X]
(b) [ ]
------------------------------------------------------------------------
(3) SEC USE ONLY
------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES _________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
79,129
OWNED BY _________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING _________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
79,129
------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
79,129
------------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
0.4%
------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
PN
------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 008252108 13GA Page 5 of 12 Pages
------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Lone Pine Associates LLC
------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [X]
(b) [ ]
------------------------------------------------------------------------
(3) SEC USE ONLY
------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ___________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
217,008
OWNED BY ___________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ___________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
217,008
------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
217,008
------------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
1.0%
------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
OO
------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 008252108 13GA Page 6 of 12 Pages
------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Lone Pine Capital LLC
------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [X]
(b) [ ]
------------------------------------------------------------------------
(3) SEC USE ONLY
------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ____________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
981,892
OWNED BY ____________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ____________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
981,892
------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
981,892
------------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
4.4%
------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
IA
------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 008252108 13GA Page 7 of 12 Pages
------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Stephen F. Mandel, Jr.
------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [X]
(b) [ ]
------------------------------------------------------------------------
(3) SEC USE ONLY
------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
United States
------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES _____________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
1,198,900
OWNED BY _____________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING _____________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
1,198,900
-----------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
1,198,900
-----------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
-----------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
5.4%
-----------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
IN
-----------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 008252108 13GA Page 8 of 12 Pages
Item 1(a). Name of Issuer:
The name of the issuer is Affiliated Managers Group, Inc. (the "Company").
Item 1(b). Address of Issuer's Principal Executive Offices:
The Company's principal executive offices are located at 2 International
Place, Boston, Massachusetts 02110.
Item 2(a). Name of Person Filing:
This statement is filed by:
(i) Lone Spruce, L.P., a Delaware limited partnership ("Lone
Spruce"), with respect to the shares of Common Stock (defined
in Item 2(d) below) directly owned by it;
(ii) Lone Balsam, L.P., a Delaware limited partnership ("Lone
Balsam"), with respect to the shares of Common Stock directly
owned by it;
(iii) Lone Sequoia, L.P., a Delaware limited partnership ("Lone
Sequoia"), with respect to the shares of Common Stock directly
owned by it;
(iv) Lone Pine Associates LLC, a Delaware limited liability company
("Lone Pine"), with respect to the shares of Common Stock
directly owned by Lone Spruce, Lone Balsam and Lone Sequoia;
(v) Lone Pine Capital LLC, a Delaware limited liability company
("Lone Pine Capital"), which serves as investment manager to
Lone Cypress, Ltd., a Cayman Islands exempted company ("Lone
Cypress"), with respect to the shares of Common Stock directly
owned by Lone Cypress;
(vi) Stephen F. Mandel, Jr. ("Mr. Mandel"), with respect to the
shares of Common Stock directly owned by each of Lone Spruce,
Lone Balsam, Lone Sequoia and Lone Cypress.
The foregoing persons are hereinafter sometimes collectively
referred to as the "Reporting Persons". Any disclosures herein with
respect to persons other than the Reporting Persons are made on
information and belief after making inquiry to the appropriate
party.
Item 2(b). Address of Principal Business Office or, if None, Residence:
The address of the business office of each of the Reporting Persons is Two
Greenwich Plaza, Greenwich, Connecticut 06830.
CUSIP No. 008252108 13GA Page 9 of 12 Pages
Item 2(c). Citizenship:
Lone Spruce, Lone Balsam and Lone Sequoia are limited partnerships
organized under the laws of the State of Delaware. Lone Pine Associates LLC and
Lone Pine Capital LLC are limited liability companies organized under the laws
of the State of Delaware. Mr. Mandel is a United States citizen.
Item 2(d). Title of Class of Securities:
Common Stock, $0.01 par value (the "Common Stock")
Item 2(e). CUSIP Number:
008252108
Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
(c), check whether the person filing is a:
(a) [ ] Broker or dealer registered under Section 15 of the
Act,
(b) [ ] Bank as defined in Section 3(a)(6) of the Act,
(c) [ ] Insurance Company as defined in Section 3(a)(19) of
the Act,
(d) [ ] Investment Company registered under Section 8 of the
Investment Company Act of 1940,
(e) [ ] Investment Adviser in accordance with Rule
13d-1 (b)(1)(ii)(E),
(f) [ ] Employee Benefit Plan or Endowment Fund in
accordance with 13d-1 (b)(1)(ii)(F),
(g) [ ] Parent Holding Company or control person in
accordance with Rule 13d-1 (b)(1)(ii)(G),
(h) [ ] Savings Association as defined in Section 3(b) of
the Federal Deposit Insurance Act,
(i) [ ] Church Plan that is excluded from the definition of
an investment company under Section 3(c)(14) of the
Investment Company Act of 1940,
(j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
If this statement is filed pursuant to Rule 13d-1(c), check the box. [X]
CUSIP No. 008252108 13GA Page 10 of 12 Pages
Item 4. Ownership.
A. Lone Spruce, L.P.
(a) Amount beneficially owned: 43,162
(b) Percent of class: 0.2% The percentages used herein and in the
rest of Item 4 are calculated based upon the 22,195,828 shares of Voting Common
Stock issued and outstanding as of November 9, 2001 as reported in the Company's
Form 10-Q for the period ending September 30, 2001.
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 43,162
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition:
43,162
B. Lone Balsam, L.P.
(a) Amount beneficially owned: 94,717
(b) Percent of class: 0.4%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 94,717
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition:
94,717
C. Lone Sequoia, L.P.
(a) Amount beneficially owned: 79,129
(b) Percent of class: 0.4%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 79,129
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition:
79,129
D. Lone Pine Associates LLC
(a) Amount beneficially owned: 217,008
(b) Percent of class: 1.0%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 217,008
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition:
217,008
C. Lone Pine Capital LLC
(a) Amount beneficially owned: 981,892
(b) Percent of class: 4.4%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 981,892
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition:
981,892
D. Stephen F. Mandel, Jr.
(a) Amount beneficially owned: 1,198,900
(b) Percent of class: 5.4%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 1,198,900
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 1,198,900
CUSIP No. 008252108 13GA Page 11 of 12 Pages
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.
Lone Pine, the general partner of Lone Spruce, Lone Sequoia and Lone
Balsam, has the power to direct the affairs of Lone Spruce, Lone Sequoia and
Lone Balsam, including decisions respecting the disposition of the proceeds from
the sale of shares. Mr. Mandel is the Managing Member of Lone Pine and in that
capacity directs its operations. Lone Cypress, a client of Lone Pine Capital of
which Mr. Mandel is the Managing Member, has the power to direct the receipt of
dividends from or the proceeds of the sale of shares.
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.
See Item 2.
Item 9. Notice of Dissolution of Group.
Not applicable.
Item 10. Certification.
Each of the Reporting Persons hereby makes the following 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. 008252108 13GA Page 12 of 12 Pages
SIGNATURES
After reasonable inquiry and to the best of our knowledge and belief,
the undersigned certify that the information set forth in this statement is
true, complete and correct.
DATED: February ___, 2002
LONE SPRUCE, L.P.
By: Lone Pine Associates LLC,
General Partner
By: /s/ Stephen F. Mandel, Jr.
--------------------------
Stephen F. Mandel, Jr.
Managing Member
LONE BALSAM, L.P.
By: Lone Pine Associates LLC,
General Partner
By: /s/ Stephen F. Mandel, Jr.
--------------------------
Stephen F. Mandel, Jr.
Managing Member
LONE SEQUOIA, L.P.
By: Lone Pine Associates LLC,
General Partner
By: /s/ Stephen F. Mandel, Jr.
--------------------------
Stephen F. Mandel, Jr.
Managing Member
LONE PINE ASSOCIATES LLC
By: /s/ Stephen F. Mandel, Jr.
--------------------------
Stephen F. Mandel, Jr.
Managing Member
LONE PINE CAPITAL LLC
By: /s/ Stephen F. Mandel, Jr.
--------------------------
Stephen F. Mandel, Jr.
Managing Member
STEPHEN F. MANDEL, JR.
/s/ Stephen F. Mandel, Jr.
--------------------------------