MIDAX — MFS International New Discovery Fund, Class A

Data updated: 2026-08-25

MIDAX — MFS International New Discovery Fund, Class A. 1.28% expense ratio · 5.75% max sales load · since 1997. Holdings, fees, performance and SEC filings.

MIDAX Fund Overview

MIDAX — MFS International New Discovery Fund, Class A is a US mutual fund managed by Massachusetts Financial Services Company, categorised as International Mid-Cap Growth. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US mutual fund
  • Adviser: Massachusetts Financial Services Company
  • Trust: Mfs Series Trust V
  • Category: International Mid-Cap Growth
  • Minimum investment: $1,000
  • Additional investment: $50
  • Inception date: October 9, 1997
  • Assets under management: $7.63B
  • 1-year return: 7.2%
  • Ticker: MIDAX
  • SEC CIK: 0000200489
  • SEC series ID: S000002437
  • Share class ID: C000006520
  • FIGI: BBG000F1JQS2
  • LEI: RC53GXLQZ5LVIZBRHR66

About MIDAX

MFS International New Discovery Fund (MIDAX) seeks capital appreciation by normally investing primarily in foreign equity securities, including emerging market equities. It focuses on growth companies with above-average earnings growth potential, mainly small to medium capitalization issuers, using an active bottom-up approach based primarily on fundamental analysis of individual companies. Its Class A shares, launched October 9, 1997, cost 1.28% a year net (1.29% gross less a 0.01% fee waiver) and returned 7.2% in the 12 months to June 30, 2026, based on monthly returns reported to the SEC on Form N-PORT, with 14.8% volatility. They carry a maximum 5.75% front-end sales charge.

MIDAX Holdings

Top 10 holdings of MFS International New Discovery Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
MFS Institutional Money Market Portfolio3.13%
ASMPT Ltd.1.64%
Voltronic Power Technology Corp.1.29%
Symrise AG1.22%
Italgas SpA1.04%
Tripod Technology Corp.1.03%
Techtronic Industries Co. Ltd.1.03%
Federal Bank Ltd.1.00%
Hugel, Inc.0.98%
Obic Co. Ltd.0.97%

View all MIDAX holdings

MIDAX Portfolio Allocation

Asset-class allocation of MFS International New Discovery Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Equity96.8%
Cash & Equivalents3.5%

MIDAX Performance

Total returns for MIDAX through June 2026, from SEC filings.

PeriodTotal return
YTD6.19%
1 year7.23%
3 years (annualised)9.66%
5 years (annualised)2.63%

MIDAX Risk Information

Risk metrics for MIDAX, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 14.81%

MIDAX Costs and Fees

MIDAX costs about $128 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 1.28%
  • Gross expense ratio: 1.29%
  • Portfolio turnover: 17%
  • Brokerage commissions: 1.71 bps of average net assets (SEC N-CEN)

MIDAX Cashflows

Over the 12 months to 2026-06, MFS International New Discovery Fund had net inflows of $839.29M, from monthly SEC N-PORT filings.

MonthNet flow
2026-06−$49.38M
2026-05−$123.75M
2026-04−$96.56M
2026-03−$70.79M
2026-02−$32.99M
2026-01−$11.70M

MIDAX Debt Constituents

No individual debt constituents are reported in MFS International New Discovery Fund's latest SEC N-PORT filing.

MIDAX Prospectus and SEC Filings

Official MFS International New Discovery Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

MIDAX Service Providers

Firms that manage, distribute, hold, administer and audit MFS International New Discovery Fund, as reported on SEC Form N-CEN, fiscal year ending September 30, 2025.

  • Adviser: Massachusetts Financial Services Company
  • Distributor: Mfs Fund Distributors, Inc.
  • Custodian: JPMorgan Chase Bank, National Association
  • Transfer agent: Mfs Service Center, Inc.
  • Administrator: Massachusetts Financial Services
  • Auditors: Deloitte & Touche Llp and Ernst & Young Llp
  • Securities lending agent: JPMorgan Chase Bank N.A.

Related Funds

Other International Mid-Cap Growth funds tracked on ABC INVEST:

MIDAX: Frequently Asked Questions

What is the expense ratio of MFS International New Discovery Fund (MIDAX)?

MIDAX has a net expense ratio of 1.28%, about $128 a year for every $10,000 invested. That is after a 0.01% fee waiver on a gross ratio of 1.29%. MIDAX fees and costs

Does MIDAX charge a sales load?

Yes. MIDAX carries a front-end sales load of up to 5.75% on purchases.

What is the minimum investment for MIDAX?

The minimum initial investment in MIDAX is $1,000, and additional purchases must be at least $50. For IRAs the minimum is $250. There is no minimum with an automatic investment plan. Source: the fund's summary prospectus (March 2026).

What are MIDAX's top holdings?

As of June 30, 2026, MIDAX held 268 positions. The largest are MFS Institutional Money Market Portfolio (3.13%), ASMPT Ltd. (1.64%), Voltronic Power Technology Corp. (1.29%), Symrise AG (1.22%) and Italgas SpA (1.04%). All MIDAX holdings

Can I download the full list of MIDAX holdings?

Yes. The complete MIDAX holdings list as of June 30, 2026 can be downloaded as a CSV file from the Holdings page: holding, ticker, FIGI, sector, country, asset type, shares, value and share of net assets, from the fund's SEC N-PORT filing. Download MIDAX holdings (CSV)

How has MFS International New Discovery Fund performed?

MIDAX returned +7.2% over the 12 months to June 2026, +9.7% a year over 3 years and +2.6% a year over 5 years. MIDAX performance and risk

How large is MIDAX?

MIDAX manages $7.63B (SEC N-PORT, June 2026). Investors added a net $839.29M over the past 12 months.

Who manages MIDAX and when did it launch?

MIDAX is managed by Massachusetts Financial Services Company. It is a series of Mfs Series Trust V. It launched on October 9, 1997.

How does MIDAX compare with similar International Mid-Cap Growth funds?

Among 20 International Mid-Cap Growth funds with $100M+ in assets, MIDAX ranks #20 of 20 on net expense ratio (1.28%) and #3 of 20 by assets. The largest is EUPAC Fund (FEUPX). Compare MIDAX with FEUPX

Where can I find MIDAX's prospectus and SEC filings?

MIDAX's latest prospectus (485BPOS) was filed January 27, 2026 and its latest N-PORT holdings report was filed August 25, 2026. All 53 filings are linked on ABC INVEST and on SEC EDGAR (series S000002437). MIDAX SEC filings

Data Sources

ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, and annual data from Form N-CEN.

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.