ETF · holdings as filed 2026-05-31
What's inside MMID?
MFS Active Mid Cap ETF
- Holdings
- 105
- positions in the fund
- Top 10
- 16%
- of fund assets
- Expense ratio
- 0.59%
- net, per year
- Fund size
- $34M
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | N  | NVTNVENT ELECTRIC PLC | 1.93% | |
| 2 | S  | STXSEAGATE TECHNOLOGY HOLDINGS | 1.81% | |
| 3 | L  | LFUSLITTELFUSE INC | 1.80% | |
| 4 | R  | ROSTROSS STORES INC | 1.66% | |
| 5 | F  | FANGDIAMONDBACK ENERGY INC | 1.63% | |
| 6 | E  | ESIELEMENT SOLUTIONS INC | 1.62% | |
| 7 | M  | MCHPMICROCHIP TECHNOLOGY INC | 1.57% | |
| 8 | G  | GPNGLOBAL PAYMENTS INC | 1.50% | |
| 9 | W  | WATWATERS CORP | 1.50% | |
| 10 | G  | GWWWW GRAINGER INC | 1.43% | |
| 11 | W  | WABWABTEC CORP | 1.40% | |
| 12 | L  | LNGCHENIERE ENERGY INC | 1.39% | |
| 13 | B  | BURLBURLINGTON STORES INC | 1.37% | |
| 14 | S  | SAIASAIA INC | 1.33% | |
| 15 | L  | LNTALLIANT ENERGY CORP | 1.33% | |
| 16 | H  | HHYATT HOTELS CORP - CL A | 1.29% | |
| 17 | M  | MGMXXJPMORGAN US GOVT MMKT-IM | 1.27% | |
| 18 | A  | AAGILENT TECHNOLOGIES INC | 1.26% | |
| 19 | M  | MTBM & T BANK CORP | 1.25% | |
| 20 | E  | ENTGENTEGRIS INC | 1.23% |
Top holdings — Information Technology
Your 10 largest positions in this sector
1
N
NVTNVENT ELECTRIC PLC
1.93%2
S
STXSEAGATE TECHNOLOGY HOLDINGS
1.81%3
L
LFUSLITTELFUSE INC
1.80%4
M
MCHPMICROCHIP TECHNOLOGY INC
1.57%5
G
GPNGLOBAL PAYMENTS INC
1.50%6
M
MSCIMSCI INC
1.22%7
N
NDSNNORDSON CORP
1.21%8
A
ALLEALLEGION PLC
0.93%9
F
FISFIDELITY NATIONAL INFO SERV
0.92%10
H
HUBBHUBBELL INC
0.91%Top holdings — United States
Your 10 largest positions in this country
1
L
LFUSLITTELFUSE INC
1.80%2
R
ROSTROSS STORES INC
1.66%3
F
FANGDIAMONDBACK ENERGY INC
1.63%4
E
ESIELEMENT SOLUTIONS INC
1.62%5
M
MCHPMICROCHIP TECHNOLOGY INC
1.57%6
G
GPNGLOBAL PAYMENTS INC
1.50%7
W
WATWATERS CORP
1.50%8
G
GWWWW GRAINGER INC
1.43%9
W
WABWABTEC CORP
1.40%10
L
LNGCHENIERE ENERGY INC
1.39%Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
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Data source: official SEC Form N-PORT filings (as of 2026-05-31); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.
Informational and educational only — not investment advice.