SECURITIES AND EXCHANGE COMMISSION

                              Washington, DC 20549


                                    FORM 6-K

                            REPORT OF FOREIGN ISSUER
                      PURSUANT TO RULE 13a-16 OR 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934


For the month of April 23, 2003

                                   MERANT plc
                 (Translation of Registrant's Name Into English)

               The Lawn, Old Bath Road, Newbury, England RG14 1QN
                    (Address of Principal Executive Offices)


         (Indicate by check mark whether the registrant files or
will file annual reports under cover of Form 20-F or Form 40-F.)


     Form 20-F   X                            Form 40-F _____
              -------

         (Indicate by check mark whether the registrant by
furnishing the information contained in this form is also thereby
furnishing the information to the Commission  pursuant to Rule 12g3-
2(b) under the Securities Exchange Act of 1934.)

         Yes   X                              No  _____
            -------

         (If "Yes" is marked, indicate below the file number assigned
to the registrant in connection with Rule 12g3-2 (b): 82-795.)


                       LONDON STOCK EXCHANGE ANNOUNCEMENT

Schedule 10 - Notification of Major Interests in Shares
1 Name of company:
MERANT plc
2 Name of shareholder having a major interest:
Fidelity International Limited
3 Please state whether notification indicates that it is in respect
of holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of
an individual holder if it is a holding of that person's spouse or
children under the age of 18:
Same as above
4 Name of registered holder(s) and, if more than one holder, the
number of shares held by each of them:
8,840,863 	Chase Nominees Limited for Fidelity Investment Services
Limited (FISL)
827,323	Chase Nominees Limited for Fidelity International
Limited (FIL)
61,100	State Street Bank & Trust for FIL
5 Number of shares/amount of stock acquired:

6 Percentage of issued class:

7 Number of shares/amount of stock disposed:
1,351,541
8 Percentage of issued class:
 1.3%
9 Class of security:
Ordinary 2p
10 Date of transaction:
 8th April 2003
11 Date company informed:
14th April 2003
12 Total holding following this notification:
 9,729,286
13 Total percentage holding of issued class following this
notification:
 9.37%
14 Contact name for queries:
 Tejaswini Salvi
15 Contact telephone number:
01727 813230
16 Name of company official responsible for making notification:
Tejaswini Salvi
17 Date of notification:
23rd April 2003
SIGNATURES


   Pursuant to the requirements of the Securities Exchange
Act of 1934, the registrant has duly caused this report to
be signed on its behalf by the undersigned, thereunto duly
authorized.


                                       MERANT plc
                                       (Registrant)


Date:  April 23, 2003              By: /s/ Stephen Going

				--------------------------------------
                         		Stephen Going
		 		Vice President & General Counsel