Securities and Exchange Commission
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
(Amendment No. 3)*
- -------------------------
(Date of event which requires filing of this statement)
Check the appropriate box to designate the rule pursuant
to which this schedule is filed:
(X) Rule 13d-1(b)
( ) Rule 13d-1(c)
( ) Rule 13d-1(d)
Name of Issuer: Platinum Techonology, Inc.
Title of Class of Securities: Common
CUSIP Number: 72764T101
*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).
CUSIP Number: 72764T101
1. Name of Reporting Person: Jennison Associates
LLC (formerly Jennison Associates Capital Corp.)
As of January 1, 1998, Jennison Associates Capital
Corp., a New York Corporation, reorganized into Jennison
Associates LLC, a Delaware limited liability company.
S.S. or I.R.S. Identification No. of Above Person:
IRS Identification #52-2069785 (formerly 13-2631108)
2. Check the Appropriate Box if a Member of a Group:
Not Applicable
3. SEC Use Only
4. Citizenship or Place of Organization: Delaware
Number of Shares Beneficially Owned By Each Reporting
Person With:
5. Sole Voting Power: 356,347 shares
6. Shared Voting Power: 5,903,963 shares
7. Sole Dispositive Power: 0 shares
8. Shared Dispositive Power: 7,069,110 shares
9. Aggregate Amount Beneficially Owned by Each
Reporting
Person: 7,069,110 shares
10. Check Box if the Aggregate Amount in Row 9
Excludes Certain Shares*: ( )
11. Percent of Class Represented by Amount in Row 9: 10.20%
12. Type of Reporting Person*: IA
Securities and Exchange Commission
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act
of 1934
Item 1(a) Name of Issuer: Platinum Technology, Inc.
Item 1(b) Address of Issuer's Principal Executive Offices:
1815 South Meyers Road
Oakbrook Terrace, IL 60181
Item 2(a) Name of Person Filing: Jennison Associates LLC
Item 2(b) Address of Principal Business Office or Residence:
466 Lexington Avenue
New York, NY 10017
Item 2(c) Citizenship: Delaware
Item 2(d) Title of Class of
Securities: Common Item 2(e) CUSIP
Number: 72764T101
Securities and Exchange Commission
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
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
(e) (X) Investment Adviser in accordance with Section
240.13d-1(b) (1) (ii) (E)
(f) ( ) Employee Benefit Plan, Pension Fund which is
subject to the provision of the Employee Retirement Income
Security Act of 1974 or Endowment Fund in accordance with
Section 240.13d-1(b) (ii) (F)
(g) ( ) Parent Holding Company or control person, in
accordance with Section 240.13(b) (ii) (G)
(h) ( ) A savings association as defined by Section
3(b) of the Federal Deposit Insurance Act
(i)( ) A church plan that is excluded from the
definition of an investment company under Section 3(c) (4) of the
Investment Company Act of 1940.
(j)( ) Group, in accordance with Section 240.13d-1(b)
(1) (ii) (J).
If this statement is filed pursuant to Section 240.13d-
1(c), check this box. ( )
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: 7,069,110 shares
(b) Percent of Class: 10.20%
(c) Number of shares as to which the person has:
(i) sole power to vote or to direct the vote: 356,347
(ii) shared power to vote or to direct the vote: 5,903,963
(iii) sole power to dispose or to direct the disposition of: 0
(iv) shared power to dispose or to direct the disposition of: 7,069,110
Jennison Associates LLC ("Jennison") furnishes investment advice to several
investment companies, insurance separate accounts, and institutional
clients ("Managed Portfolios"). As a result of its role as investment adviser of
the Managed Portfolios, Jennison may be deemed to be the beneficial owner of
the shares of the Issuer's Common Stock held by such Managed Portfolios.
The Prudential Insurance Company of America ("Prudential") owns 100% of equity
interests of Jennison. As a result, Prudential may be deemed to have the
power to exercise or to direct the exercise of such voting and/or dispositive
power that Jennison may have with respect to the Issuer's Common Stock held
by the Managed Portfolios. Jennison does not file jointly with Prudential,
as such, shares of the Issuer's Common Stock reported on Jennison's 13G
may be included in the shares reported on the 13G filed by Prudential.
These shares were acquired in the ordinary course of business, and not with
the purpose or effect of changing or influencing control of the Issuer.
The filing of this statement should not be construed as an admission
that Jennison is, for the purposes of Sections 13 or 16 of the Securities
Exchange Act of 1934, the beneficial owner of these shares.
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 five percent of the
securities, check the following ( ).
Item 6 Ownership of More than Five Percent on Behalf
of Another Person:
Our clients have the right to receive or the power to
direct the receipt of dividends or the profits from
the sale of such securities. No one client owns more
than 5% of such security class.
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 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
acquired and are in held the ordinary course of
business and were not acquired and are not held for
the purpose of and do not have 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. After reasonable inquiry and to the best of my
knowledge and belief, I certify that the correct information set forth in
this statement is true, complete and correct.
May 6, 1998
Karen E. Kohler
Senior Vice President
and Director
