MIDFX — Marsico Midcap Growth Focus Fund
Data updated: 2026-08-26
MIDFX — Marsico Midcap Growth Focus Fund. United States Mid Cap Growth Industrials Equity · $939.38M AUM. Holdings, fees, performance and SEC filings.
MIDFX Fund Overview
MIDFX — Marsico Midcap Growth Focus Fund is a US mutual fund managed by Marsico Investment Fund, categorised as United States Mid Cap Growth Industrials Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Marsico Investment Fund
- Category: United States Mid Cap Growth Industrials Equity
- Assets under management: $939.38M
- 1-year return: 27.3%
- Ticker: MIDFX
- SEC CIK: 0001047112
- SEC series ID: S000007712
- Share class ID: C000232238
MIDFX Holdings
Top 10 holdings of Marsico Midcap Growth Focus Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Revolution Medicines, Inc. Common Stock | 4.38% |
| Mks, Inc. Common Stock | 4.17% |
| Viking Holdings Ltd. Common Stock Usd.01 | 4.16% |
| State Str Instl Invt Tr Treas Mmkt Fd Inst | 3.62% |
| Ge Vernova, Inc. Common Stock Usd.01 | 3.52% |
| Aar Corp. Common Stock Usd1.0 | 3.38% |
| Talen Energy Corp. Common Stock Usd.001 | 3.36% |
| Vse Corp. Common Stock Usd.05 | 3.33% |
| Tko Group Holdings, Inc. Common Stock Usd.00001 | 3.18% |
| Datadog, Inc. Class A Common Stock Usd.00001 | 3.13% |
MIDFX Portfolio Allocation
Asset-class allocation of Marsico Midcap Growth Focus Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 96.5% |
| Cash & Equivalents | 3.6% |
MIDFX Performance
Total returns for MIDFX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 21.0% |
| 1 year | 27.3% |
| 3 years (annualised) | 30.6% |
MIDFX Risk Information
Risk metrics for MIDFX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 17.4%
MIDFX Costs and Fees
MIDFX costs about $106 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.06%
- Gross expense ratio: 1.06%
- Portfolio turnover: 106%
- Brokerage commissions: 9.75 bps of average net assets (SEC N-CEN)
MIDFX Cashflows
Over the 12 months to 2026-06, Marsico Midcap Growth Focus Fund had net inflows of $331.44M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $69.37M |
| 2026-05 | $26.36M |
| 2026-04 | $29.75M |
| 2026-03 | $15.97M |
| 2026-02 | $29.41M |
| 2026-01 | $14.43M |
MIDFX Debt Constituents
No individual debt constituents are reported in Marsico Midcap Growth Focus Fund's latest SEC N-PORT filing.
MIDFX Prospectus and SEC Filings
Official Marsico Midcap Growth Focus Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-27
- Prospectus (485BPOS) — filed 2025-01-27
- Prospectus (485BPOS) — filed 2024-01-30
- Portfolio holdings (N-PORT) — filed 2026-08-26
- Portfolio holdings (N-PORT) — filed 2026-05-27
- Portfolio holdings (N-PORT) — filed 2026-02-27
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-13
Related Funds
Other United States Mid Cap Growth Industrials Equity funds tracked on ABC INVEST:
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, annual data from Form N-CEN, and shareholder reports from Form N-CSR.