13F-HR: MASSACHUSETTS FINANCIAL SERVICES CO /MA/

AI Summary

13F-HR filing by MASSACHUSETTS FINANCIAL SERVICES CO /MA/.

Risk Assessment

Risk Level: low

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Filing Documents

• primary_doc.html (13F-HR)
• primary_doc.xml (13F-HR) — 5KB
• form13fInfoTable.html (INFORMATION TABLE)
• form13fInfoTable.xml (INFORMATION TABLE) — 1924KB
• 0000912938-25-000200.txt ( ) — 1931KB

From the Filing

SEC FORM 13F-HR The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. The reader should not assume that the information is accurate and complete. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE OMB APPROVAL OMB Number: 3235-0006 Estimated average burden hours per response: 23.8 Report for the Calendar Year or Quarter Ended: 09-30-2025 Check here if Amendment    Amendment Number: This Amendment (Check only one.):    is a restatement.    adds new holdings entries. Institutional Investment Manager Filing this Report: Name: MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Address: 111 Huntington Avenue Boston , MA   02199 Form 13F File Number: 028-04968 CRD Number (if applicable): 000110045 801-17352 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 this Report on Behalf of Reporting Manager: Name: Deepu Pylee Title: Compliance Director Phone: 617-954-5000 Signature, Place, and Date of Signing: Deepu Pylee, Compliance Director Boston ,  MA 10-29-2025 [Signature] [City, State] [Date] Please note that a de minimis portion of those shares listed as having sole voting authority in Column 8 of the Information Table may have non-voting authority. Please also note that positions of interlisted Canadian issuers are aggregates of purchases made on US and Canadian exchanges. Report Type (Check only one.): X 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)    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).) Form 13F Summary Page Report Summary: Number of Other Included Managers: 9 Form 13F Information Table Entry Total: 3,802 Form 13F Information Table Value Total: 322,797,408,486 (round to nearest dollar) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state “NONE” and omit the column headings and list entries.] No. Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK 9 New York Life Investment Management LLC 028-06325 000109591 801-57396   1 MFS Institutional Advisors, Inc. 028-13173 000107144 801-46433   2 MFS Investment Management Company (LUX) S.a r.l. 028-13180       3 MFS International Singapore Pte. Ltd. 028-16137       4 MFS International (U.K.) Limited 028-13178       5 MFS Investment Management K.K. 028-13177       6 MFS Heritage Trust Company 028-13175       7 MFS Investment Management Canada Limited 028-06597       8 MFS International Australia Pty Ltd 028-18051

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View this 13F-HR filing on SEC EDGAR