SECURITIES AND EXCHANGE COMMISSION

                     Washington, D.C. 20549

                     _ _ _ _ _ _ _ _ _ _ _ _

                            FORM 6-K

                REPORT of Foreign Private Issuer
            Pursuant to Rule 13a-16 or 15d-16 of the
                Securities Exchange Act of 1934

For the month of: December 2003

                          Filtronic plc
       (Exact name of registrant as specified in charter)

The Waterfront, Salts Mill Road, Saltaire, Shipley West
Yorkshire BD18 3TT, UK
           (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 the Form is also thereby
furnishing the information to the Commission pursuant to
Rule 12g3-2(b) under the Securities Exchange Act of 1934

Yes _ _ _             No _ X _

<Page>

SIGNATURE

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
authorised.

Filtronic plc

Date: January 06, 2004        By:  /s/ Maura Moynihan
                                   _ _ _ _ _ _ _ _ _ _
                          Name:    Maura Moynihan
                           Title:  General Counsel




SCHEDULE 10

NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

Filtronic plc


2. Name of shareholder having a major interest

Fidelity International Limited and certain of its
subsidiary companies, also comprising the notifiable
interest of Mr Edmond C Johnstone 3rd, principle
shareholder of 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

The holding is of the shareholders named in 2


4. Name of the registered holder(s) and, if more than one
holder, the number of shares held by each of them



5. Number of shares / amount of stock acquired

415,000

6. Percentage of issued class

0.56%

7. Number of shares / amount of stock disposed

N/a

8. Percentage of issued class

N/a

9. Class of security

Ordinary shares

10. Date of transaction

24 December 2003

11. Date company informed

24 December 2003

12. Total holding following this notification

10,813,072

13. Total percentage holding of issued class following this
notification

14.51%

14. Any additional information



15. Name of contact and telephone number for queries

Maura Moynihan +44 1274 231014

16. Name and signature of authorised company official
responsible for making this notification



Date of notification

6 January 2004

The FSA does not give any express or implied warranty as to
The accuracy of this document or material and does not
accept any liability for error or omission. The FSA is not
liable for any damages(including, without limitation,
damages for loss of business or loss of profits) arising in
contract, tort or otherwise from the use of or inability to
use this document, or any material contained in it, or from
any action or decision taken as a result of using this
document or any such material.

Filtronic plc
Schedule to Schedule 10 6 January 2004

Registered Holder			Shares Held

Chase Nominees Ltd			5,174,936
Chase Manhatten Bank London	52,071
Nortrust Nominees Ltd		382,380
Bankers Trust				979,962
BT Globenet Nominees Ltd		147,650
RBS Trust Bank				399,560
Citibank					66,850
Bank of New York London		502,351
Northern Trust				357,990
HSBC						2,460,222
Deutche Bank				74,900
Mellon Nominees Ltd			59,600
Bank of New York Brussels	154,600


TOTAL					10,813,072