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Securities and Exchange Commission
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
(Amendment No. 0)*
Name of Issuer: Gartner Group
Title of Class of Securities: Common
CUSIP Number: 366651107
*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: 366651107
1. Name of Reporting Person: Jennison Associates Capital Corp.
S.S. or I.R.S. Identification No. of Above Person: IRS
Identification #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: New York
Number of Shares Beneficially Owned By Each Reporting Person
With:
5. Sole Voting Power: 939,200 shares
6. Shared Voting Power: 4,597,700 shares
7. Sole Dispositive Power: 0 shares
8. Shared Dispositive Power: 5,890,600 shares
9. Aggregate Amount Beneficially Owned by Each Reporting
Person: 5,890,600 shares
10. Check Box if the Aggregate Amount in Row 9 Excludes
Certain Shares*: ( )
11. Percent of Class Represented by Amount in Row 9: 5.94%
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: Gartner Group
Item 1(b) Address of Issuer's Principal Executive Offices:
56 Top Gallant Road
P.O. Box 10212
Stamford, CT 06904
Item 2(a) Name of Person Filing: Jennison Associates
Capital Corp.
Item 2(b) Address of Principal Business Office or
Residence: 466 Lexington Avenue
New York, NY 10017
Item 2(c) Citizenship: New York
Item 2(d) Title of Class of Securities: Common
Item 2(e) CUSIP Number: 366651107
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), 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 registered under Section 203 of the
Investment Advisers Act of 1940
(f) ( ) Employee Benefit Plan, Pension Fund which is subject
to the provision of the Employee Retirement Income Security
Act of 1974 or Endowment Fund; see Section 240.13d-1(b) (ii) (F)
(g) ( ) Parent Holding Company, in accordance with Section
240.13(b) (ii) (G) (Note See Item 7)
(h) ( ) Group, in accordance with Section 240.13d-1(b) (ii) (H)
Item 4 Ownership:
(a) Amount Beneficially Owned: 5,890,600 shares
(b) Percent of Class: 5.94%
(c) Number of shares as to which such person has:
939,200 (I) sole power to vote or to direct the vote
4,597,700 (II) shared power to vote or to direct the vote
0 (III) sole power to dispose or to direct the disposition of
5,890,600 (IV) shared power to dispose or to direct the
disposition of
Jennison Associates Capital Corp. ("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 the stock 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 ( ).
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
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 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 a participant in any
transaction having such purposes or effects.
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.
February 10, 1998
Karen E. Kohler, Senior Vice President and Director