UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: September 30, 2005

Check here if Amendment [ ]; Amendment Number:

This Amendment  (Check only one.): [ ] is a restatement.
                                   [ ] adds new holding entries.

Institutional Investment Manager Filing this Report:

Name:    State Street Research & Management Company
Address:   One Financial Center
           Boston, MA  02111-2690

Form 13F File Number: 28-4376

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing the Report on behalf of Reporting Manager:

Name:   Robert S. Kapito
Title:  Vice Chairman
Phone:  (212) 754-5512
Signature, Place, and Date of Signing:

/s/ Robert S. Kapito       New York, NY                 November 4, 2005
- -----------------------    -------------------------    -----------------------
[Signature]                [City, State]                [Date]

Report Type (Check only one.):

[ ]     13F HOLDINGS REPORT. (Check here if all holdings of this reporting
        manager are reported in this report.)

[X]     13F NOTICE. (Check here if no holdings reported are in this report, and
        all holdings are reported by other reporting manager(s).)

[ ]     13F COMBINATION REPORT. (Check here if a portion of the holdings for
        this reporting manager are reported in this report and a portion are
        reported by other reporting manager(s).)

List of Other Managers Reporting for this Manager:

    Form 13F File Number           Name
    --------------------           ----
    28-5703                        BlackRock, Inc.