Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0000912938-25-000180
Filing Date
2025-09-29
Accepted
2025-09-29 16:01:53
Documents
37
Effectiveness Date
2025-09-30

Document Format Files

Seq Description Document Type Size
1 c485bpos.htm   iXBRL 485BPOS 2235903
7 ex99acharter-1.htm EX-99.A CHARTER 19146
8 ex99bbylaws-1.htm EX-99.B BYLAWS 105176
9 ex99dadvsrcontr-1.htm EX-99.D ADVSR CONTR 84931
10 ex99eundrcontr-1.htm EX-99.E UNDR CONTR 7697
11 ex99gcustagreemt-1.htm EX-99.G CUST AGREEMT 39891
12 ex99gcustagreemt-2.htm EX-99.G CUST AGREEMT 40175
13 ex99hothmatcont-1.htm EX-99.H OTH MAT CONT 12124
14 ex99ilegalopinin-1.htm EX-99.I LEGAL OPININ 9439
15 ex99jotheropinin-1.htm EX-99.J OTHER OPININ 18680
16 ex99jotheropinin-2.htm EX-99.J OTHER OPININ 10648
17 ex99m12b1plan-1.htm EX-99.M 12B-1 PLAN 23776
19 img_362b8d5a51214f2.jpg GRAPHIC 11271
20 img_9e0711be064c4f13.jpg GRAPHIC 20866
21 img_8a64fb04e7bf4f17.jpg GRAPHIC 23892
  Complete submission text file 0000912938-25-000180.txt   4030548

Data Files

Seq Description Document Type Size
2 c485bpos-20250929.xsd EX-101.SCH 9316
3 c485bpos-20250929_cal.xml EX-101.CAL 4931
4 c485bpos-20250929_def.xml EX-101.DEF 9647
5 c485bpos-20250929_lab.xml EX-101.LAB 38766
6 c485bpos-20250929_pre.xml EX-101.PRE 124701
41 EXTRACTED XBRL INSTANCE DOCUMENT c485bpos_htm.xml XML 97632

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0002018846      
Series S000095645   MFS Blended Research Core Equity ETF
Class/Contract C000264376   MFS Blended Research Core Equity ETF
  Status Name Ticker Symbol
CIK 0002018846      
Series S000095646   MFS Blended Research International Equity ETF
Class/Contract C000264377   MFS Blended Research International Equity ETF
Mailing Address 111 HUNTINGTON AVENUE BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE BOSTON MA 02199 617-954-5000
MFS Active Exchange Traded Funds Trust (Filer) CIK: 0002018846 (see all company filings)

EIN.: 000000000 | State of Incorp.: MA | Fiscal Year End: 0228
Type: 485BPOS | Act: 40 | File No.: 811-23953 | Film No.: 251356005

Mailing Address 111 HUNTINGTON AVENUE BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE BOSTON MA 02199 617-954-5000
MFS Active Exchange Traded Funds Trust (Filer) CIK: 0002018846 (see all company filings)

EIN.: 000000000 | State of Incorp.: MA | Fiscal Year End: 0228
Type: 485BPOS | Act: 33 | File No.: 333-278691 | Film No.: 251356004