Frontier Mid Cap Growth Portfolio
Data updated: 2026-08-27
C000017771 — Frontier Mid Cap Growth Portfolio. United States Mid Cap Growth Equity · $1.08B AUM. Holdings, fees, performance and SEC filings.
C000017771 Fund Overview
Frontier Mid Cap Growth Portfolio is a US mutual fund managed by Brighthouse Funds Trust II, categorised as United States Mid Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Brighthouse Funds Trust II
- Category: United States Mid Cap Growth Equity
- Assets under management: $1.08B
- 1-year return: 21.0%
- SEC CIK: 0000710826
- SEC series ID: S000006500
- Share class ID: C000017771
C000017771 Investment Objective and Strategy
Frontier Mid Cap Growth Portfolio describes its objective and strategy as follows, from its latest prospectus filed with the SEC by Brighthouse Funds Trust II.
Investment objective
Maximum capital appreciation.
Principal investment strategy
Frontier Capital Management Company, LLC (Frontier or Subadviser), subadviser to the Portfolio, invests, under normal market conditions, at least 80% of the Portfolios net assets in equity securities of mid-cap companies. Equity securities may include common and preferred stocks. Frontier currently defines mid-cap companies as those whose market capitalizations at the time of purchase fall within the market capitalization range of companies included in either the Russell Midcap Growth Index (composed of growth stocks in the Russell Midcap Index) or the S&P MidCap 400 Index. As of December 31, 2025, the market capitalizations of companies in the Russell Midcap Growth Index ranged from $144.9 million to $88.9 billion. As of December 31, 2025, the market capitalizations of companies in the S&P MidCap 400 Index ranged from $1.7 billion to $32.9 billion.
The market capitalization limits will vary with market fluctuations.. The Portfolio may also invest up to 20% of the Portfolios total assets in small-cap and large-cap companies. Frontier may adjust the composition of the Portfolio as market conditions and economic outlooks change. The Portfolio typically invests most of its assets in equity securities of U.S. companies, but may invest in foreign securities and American Depositary Receipts, including emerging market securities. The Portfolio generally will not invest more than 25% of its total assets in foreign securities. The Portfolio may, from time to time, emphasize one or more sectors. Stock Selection In selecting securities for the Portfolio, Frontier employs a Growth-at-a-Reasonable-Price approach to identify, in its view, the best risk/reward investment ideas in the U.S.
equity mid-capitalization universe. Frontier believes there are three key drivers of long-term performance: (i) improving business models with strong management teams and secular growth prospects; (ii) unrecognized earnings power and/or cash flow; and (iii) attractive valuations.
C000017771 Holdings
Top 10 holdings of Frontier Mid Cap Growth Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Royal Caribbean Cruises Ltd | 3.91% |
| Fixed Income Clearing Corp. | 3.20% |
| Snowflake Inc | 3.04% |
| XPO Inc | 2.94% |
| FTAI Aviation Ltd | 2.62% |
| Datadog Inc | 2.51% |
| Monolithic Power Systems Inc | 2.35% |
| Cloudflare Inc | 2.14% |
| Quanta Services Inc | 2.05% |
| Fair Isaac Corp | 2.04% |
C000017771 Portfolio Allocation
Asset-class allocation of Frontier Mid Cap Growth Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 96.8% |
| Cash & Equivalents | 10.4% |
C000017771 Performance
Total returns for C000017771 (as of 2026-10-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 16.6% |
| 1 year | 21.0% |
| 3 years (annualised) | 14.1% |
| 5 years (annualised) | 4.8% |
C000017771 Risk Information
Risk metrics for C000017771, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 14.0%
C000017771 Costs and Fees
C000017771 costs about $84 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.84%
- Gross expense ratio: 0.91%
- Portfolio turnover: 78%
- Brokerage commissions: 4.91 bps of average net assets (SEC N-CEN)
C000017771 Cashflows
Over the 12 months to 2026-06, Frontier Mid Cap Growth Portfolio had net inflows of $14.53M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $128.28M |
| 2026-05 | −$11.36M |
| 2026-04 | −$4.49M |
| 2026-03 | −$11.57M |
| 2026-02 | −$9.91M |
| 2026-01 | −$12.00M |
C000017771 Debt Constituents
No individual debt constituents are reported in Frontier Mid Cap Growth Portfolio's latest SEC N-PORT filing.
C000017771 Prospectus and SEC Filings
Official Frontier Mid Cap Growth Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-04-24
- Prospectus (485BPOS) — filed 2025-04-25
- Prospectus (485BPOS) — filed 2024-04-25
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-27
- Annual census (N-CEN) — filed 2026-03-11
- Annual census (N-CEN) — filed 2025-03-14
Related Funds
Other United States Mid Cap Growth 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.