C000017770 Performance — Frontier Mid Cap Growth Portfolio, Class B

Data updated: 2026-08-27

C000017770 returned +16.62% year to date and +20.94% over one year to Jun 2026. Annualised returns are +13.97% over 3 years and +4.71% over 5 years. The fund trailed its Emerging Markets Equity category average: $100 invested three years ago grew to $148, against $179 for the category, and to $121 over one year, against $141. Volatility over the past three years was 18.79% a year. In the 12 months to Jun 2026 the fund took in a net $14.5M, and assets reached $1.08B.

C000017770 Growth of $100

What $100 invested in Frontier Mid Cap Growth Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Emerging Markets Equity category average over the same months.

PeriodC000017770Category average
1 year (Jul 2025 – Jun 2026)$121$141
3 years (Jul 2023 – Jun 2026)$148$179
5 years (Jul 2021 – Jun 2026)$126$144
Since data start (Jul 2019 – Jun 2026)$195$195

C000017770 Trailing Returns

Total returns to Jun 2026, from SEC N-PORT.

PeriodTotal return
YTD+16.62%
1 year+20.94%
3 years (annualised)+13.97%
5 years (annualised)+4.71%

C000017770 Annual Returns

Calendar-year total returns of Frontier Mid Cap Growth Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+16.62%
2025+4.90%
2024+17.46%
2023+17.75%
2022−28.32%
2021+14.37%
2020+31.39%
2019 (Jul–Dec)+6.86%

C000017770 Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+4.6%+3.4%−7.8%+8.2%+5.8%+2.1%——————
2025+5.5%−7.6%−9.0%+0.6%+8.3%+4.6%+2.0%+1.2%+1.0%+2.3%−1.8%−0.9%
2024+0.1%+7.5%+3.1%−6.4%+0.6%+1.8%+2.5%+2.1%+2.7%−0.9%+11.4%−6.9%
2023+9.0%−1.7%+0.5%−1.6%−0.5%+8.4%+3.2%−3.0%−7.2%−7.1%+10.7%+8.0%
2022−11.5%−0.1%+0.2%−10.8%−3.7%−10.0%+12.3%−1.7%−10.5%+7.1%+5.5%−6.2%
2021−2.1%+6.4%−2.3%+7.3%−2.6%+3.6%+1.7%+3.3%−3.3%+6.5%−5.3%+1.2%
2020−0.2%−5.8%−17.4%+13.8%+11.2%+2.9%+6.1%+4.2%−0.5%−1.8%+14.7%+4.8%
2019——————+0.9%−1.4%−0.6%+1.4%+3.8%+2.6%

C000017770 Risk

Risk measures from monthly returns over Jul 2023 – Jun 2026.

  • 3-year volatility (annualised): 18.79%
  • 3-year Sharpe ratio: 0.50 (vs 4.5% risk-free rate)
  • Best month: +11.44% (Nov 2024)
  • Worst month: −9.02% (Mar 2025)

C000017770 Fund Flows

Monthly money in and out of Frontier Mid Cap Growth Portfolio, from SEC Form N-PORT.

  • 12-month net flow: $14.5M
  • 12-month gross sales (incl. reinvestments): $159.4M
  • Sales ÷ redemptions: 1.10×
MonthSalesRedemptionsNet flow
Jun 2026$145.1M$16.8M$128.3M
May 2026$623K$12.0M−$11.4M
Apr 2026$6.6M$11.1M−$4.5M
Mar 2026$809K$12.4M−$11.6M
Feb 2026$2.0M$11.9M−$9.9M
Jan 2026$467K$12.5M−$12.0M
Dec 2025$627K$11.6M−$10.9M
Nov 2025$499K$8.7M−$8.2M
Oct 2025$565K$11.3M−$10.7M
Sep 2025$538K$10.4M−$9.8M
Aug 2025$1.2M$10.7M−$9.5M
Jul 2025$398K$15.7M−$15.3M

C000017770 Assets Under Management

Net assets of Frontier Mid Cap Growth Portfolio by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$1.08B
2026-03-31$954.38M
2025-12-31$989.13M
2025-09-30$1.02B
2025-06-30$1.02B
2025-03-31$905.44M
2024-12-31$1.05B
2024-09-30$1.09B
2024-06-30$1.04B
2024-03-31$1.12B
2023-12-31$1.05B
2023-09-30$964.47M

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.