1. NAME OF REPORTING PERSON
S.S. OR I.R.S IDENTIFICATION NO. OF ABOVE PERSON
Frontier Capital Management Company, Inc.
IRS. Identification No.: 04-2715137
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
3. SEC USE ONLY
4. CITIZENSHIP OR PLACE OF ORGANIZATION
Boston, Massachusetts, USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
5. SOLE VOTING POWER
806,960
6. SHARED VOTING POWER
0
7. SOLE DISPOSITIVE POWER
806,960
8. SHARED DISPOSITIVE POWER
0
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
806,960
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXLUDES CERTAIN SHARES
(N/A)
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.5%
12. TYPE OF REPORTING PERSON*
IA
ITEM 1
a. NAME OF ISSUER
Celgene Corp.
b. ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
7 Powder Horn Drive
Warren, NJ 07059
ITEM 2
a. NAME OF PERSON FILING
Frontier Capital Management Company, Inc.
b. ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
99 Summer Street, Boston, MA 02110
c. CITIZENSHIP
USA
d. TITLE OF CLASS OF SECURITIES
Common Stock
e. CUSIP NUMBER
151020104
ITEM 3
e. This statement is filed pursuant to Rule 13d-1 (b) or 13d-2 (b) and the
person filing is an investment advisor registered under section 203 of the
Investment Advisors Act of 1940.
ITEM 4
OWNERSHIP
a. AMOUNT BENEFICIALLY OWEND
806,960 shares
b. PERCENT OF CLASS
6.5%
c. NUMBER OF SHARES AS TO WHICH SUCH PERSON HS:
i. SOLE POWER TO VOTE OR DIRECT THE VOTE -
See Page 2, Item No. 5
ii. SHARED POWER TO VOTE OR TO DIRECT THE VOTE -
None
iii. SOLE POWER TO DISPOSE OR TO DIRECT DISPOSITION OF -
See Page 2, Item No. 9
iv. SHARE POWER TO DISPOSE OR TO DIRECT DISPOSITION OF --
None
ITEM 5.
OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
If this statement is being filed to report the fact that as of 12/31/97 the
reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following: [ ]
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
ITEM 8
IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
ITEM 9
NOTICE OF DISSOLUTION OF THE GROUP
ITEM 10
CERTIFICATION
The following certification shall be included if the statement is filed
pursuant to Rule 13d-1(b):
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired in the ordinary course of
business and were not acquired for the purpose of and do not have the effect
of changing or influencing the control of the issuer of such securities and
were not acquired in connection with or as participant in any transaction
having such purposes or effect.
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 24, 1998
Frontier Capital Management Company, Inc.
By: Donald E. August
Executive Vice President and Director
