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Mailing Address 111 HUNTINGTON AVENUE 21ST FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 21ST FLOOR BOSTON MA 02199 18006372929
MFS SERIES TRUST XIII CIK#: 0000356349 (see all company filings)

State location: MA | State of Inc.: MA | Fiscal Year End: 0331
formerly: MFS GOVERNMENT SECURITIES FUND (filings through 2006-03-31)
Class/Contract: C000002012 B 
Ticker Symbol:   MFGBX
(List all Funds and Classes/Contracts for MFS SERIES TRUST XIII)

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Items 1 - 40  0000356349 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
497  Documents Definitive materials
Acc-no: 0000912938-24-000279 (33 Act)  Size: 137 KB
2024-03-15 002-74959
24752692
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-24-010172 (40 Act)  Size: 1 MB
2024-01-24 811-03327
24555174
497  Documents Definitive materials
Acc-no: 0000912938-23-000520 (33 Act)  Size: 137 KB
2023-12-29 002-74959
231524540
497  Documents Definitive materials
Acc-no: 0000912938-23-000510 (33 Act)  Size: 290 KB
2023-12-06 002-74959
231468542
497  Documents Definitive materials
Acc-no: 0000912938-23-000502 (33 Act)  Size: 685 KB
2023-11-28 002-74959
231442042
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-23-246168 (40 Act)  Size: 116 KB
2023-11-13 811-03327
231395791
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-236750 (40 Act)  Size: 902 KB
2023-10-25 811-03327
231344948
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-23-007197 (40 Act)  Size: 4 MB
2023-10-19 811-03327
231333585
497  Documents Definitive materials
Acc-no: 0000912938-23-000419 (33 Act)  Size: 158 KB
2023-09-28 002-74959
231286286
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-23-223249 (40 Act)  Size: 444 KB
2023-08-29 811-03327
231218762
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-161919 (40 Act)  Size: 1 MB
2023-07-25 811-03327
231107642
497J  Documents Certification of no change in definitive materials
Acc-no: 0000912938-23-000358 (33 Act)  Size: 117 KB
2023-07-03 002-74959
231063780
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-23-075032 (40 Act)  Size: 9 MB
2023-06-27 811-03327
231044162
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-23-075032 (33 Act)  Size: 9 MB
2023-06-27 002-74959
231044161
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-23-075035 (33 Act)  Size: 162 KB
2023-06-27 002-74959
231044171
497  Documents Definitive materials
Acc-no: 0000912938-23-000352 (33 Act)  Size: 64 KB
2023-05-31 002-74959
23979142
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-23-096759 (40 Act)  Size: 250 KB
2023-05-11 811-03327
23909973
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001683863-23-004726 (33 Act)  Size: 13 KB
2023-05-11 002-74959
23908998
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-086694 (40 Act)  Size: 859 KB
2023-04-25 811-03327
23843147
N-CSR  Documents Certified Shareholder Report
Acc-no: 0001683863-23-003460 (40 Act)  Size: 5 MB
2023-04-19 811-03327
23829329
497  Documents Definitive materials
Acc-no: 0000912938-23-000308 (33 Act)  Size: 107 KB
2023-03-30 002-74959
23777325
497  Documents Definitive materials
Acc-no: 0000912938-23-000304 (33 Act)  Size: 97 KB
2023-03-30 002-74959
23777293
497  Documents Definitive materials
Acc-no: 0000912938-23-000254 (33 Act)  Size: 120 KB
2023-02-28 002-74959
23678792
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-011789 (40 Act)  Size: 1 MB
2023-01-25 811-03327
23550822
497  Documents Definitive materials
Acc-no: 0000912938-22-000499 (33 Act)  Size: 110 KB
2022-12-29 002-74959
221496708
497  Documents Definitive materials
Acc-no: 0000912938-22-000497 (33 Act)  Size: 260 KB
2022-12-29 002-74959
221496419
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-22-234411 (40 Act)  Size: 754 KB
2022-10-25 811-03327
221327835
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-22-006826 (40 Act)  Size: 4 MB
2022-10-25 811-03327
221327535
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-22-232551 (40 Act)  Size: 465 KB
2022-08-29 811-03327
221210317
497  Documents Definitive materials
Acc-no: 0000912938-22-000427 (33 Act)  Size: 64 KB
2022-08-26 002-74959
221199878
497  Documents Definitive materials
Acc-no: 0000912938-22-000424 (33 Act)  Size: 125 KB
2022-08-26 002-74959
221199839
497  Documents Definitive materials
Acc-no: 0000912938-22-000400 (33 Act)  Size: 415 KB
2022-07-29 002-74959
221117653
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-22-167167 (40 Act)  Size: 1 MB
2022-07-27 811-03327
221109213
497J  Documents Certification of no change in definitive materials
Acc-no: 0000912938-22-000394 (33 Act)  Size: 86 KB
2022-07-01 002-74959
221059871
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-22-074594 (33 Act)  Size: 9 MB
2022-06-27 002-74959
221042227
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-22-074601 (33 Act)  Size: 148 KB
2022-06-27 002-74959
221042242
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-22-074594 (40 Act)  Size: 9 MB
2022-06-27 811-03327
221042228
497  Documents Definitive materials
Acc-no: 0000912938-22-000384 (33 Act)  Size: 308 KB
2022-06-15 002-74959
221016747
497  Documents Definitive materials
Acc-no: 0000912938-22-000349 (33 Act)  Size: 157 KB
2022-05-17 002-74959
22932427
497  Documents Definitive materials
Acc-no: 0000912938-22-000350 (33 Act)  Size: 136 KB
2022-05-17 002-74959
22932456