JAOSX Performance — Janus Henderson Overseas Fund, Class T

Data updated: 2026-08-26

JAOSX returned +14.95% year to date and +27.67% over one year to Jun 2026. Annualised returns are +17.15% over 3 years and +9.75% over 5 years. Against its International Large Blend category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $161, against $167 for the category, and to $128 over one year, against $125. Volatility over the past three years was 12.24% a year. In the 12 months to Jun 2026 the fund lost a net $228.2M, and assets reached $4.59B.

JAOSX Growth of $100

What $100 invested in Janus Henderson Overseas Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Large Blend category average over the same months.

PeriodJAOSXCategory average
1 year (Jul 2025 – Jun 2026)$128$125
3 years (Jul 2023 – Jun 2026)$161$167
5 years (Jul 2021 – Jun 2026)$159$155
Since data start (Jul 2019 – Jun 2026)$236$208

JAOSX Trailing Returns

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

PeriodTotal return
YTD+14.95%
1 year+27.67%
3 years (annualised)+17.15%
5 years (annualised)+9.75%

JAOSX Annual Returns

Calendar-year total returns of Janus Henderson Overseas Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+14.95%
2025+28.65%
2024+5.81%
2023+10.81%
2022−8.80%
2021+13.04%
2020+16.58%
2019 (Jul–Dec)+13.13%

JAOSX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+6.0%+3.0%−8.4%+6.1%+7.2%+1.0%——————
2025+3.5%+3.1%−1.5%+0.7%+6.6%+2.6%−1.3%+3.9%+3.6%+0.5%+1.2%+2.8%
2024+5.3%+3.7%−0.7%−1.6%+3.7%−1.1%+2.4%+1.4%−0.9%−4.3%−0.3%−1.5%
2023+1.7%−4.0%+8.9%+3.7%−4.9%+2.8%−4.0%−3.7%+2.9%+5.6%+4.8%−2.4%
2022−0.1%−2.5%−1.2%−9.3%+3.0%−5.7%−9.1%−4.0%+3.6%−0.5%+15.2%+3.7%
2021+0.2%+6.0%−1.1%−1.1%+4.0%+3.9%−1.8%+1.7%−1.5%+6.0%−6.2%+3.0%
2020−16.1%−5.8%−4.8%+5.1%+3.5%+9.1%−2.3%+5.0%+5.2%+6.1%+15.3%−1.0%
2019——————0.0%0.0%0.0%+4.7%+2.9%+5.1%

JAOSX Risk

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

  • 3-year volatility (annualised): 12.24%
  • 3-year Sharpe ratio: 1.03 (vs 4.5% risk-free rate)
  • Best month: +7.19% (May 2026)
  • Worst month: −8.37% (Mar 2026)

JAOSX Fund Flows

Monthly money in and out of Janus Henderson Overseas Fund, from SEC Form N-PORT.

  • 12-month net flow: −$228.2M
  • 12-month gross sales (incl. reinvestments): $852.4M
  • Sales ÷ redemptions: 0.79×
MonthSalesRedemptionsNet flow
Jun 2026$57.4M$106.4M−$48.9M
May 2026$75.8M$72.1M$3.7M
Apr 2026$69.1M$83.3M−$14.1M
Mar 2026$68.0M$69.6M−$1.6M
Feb 2026$95.9M$89.9M$6.0M
Jan 2026$64.7M$96.0M−$31.3M
Dec 2025$119.9M$59.3M$60.6M
Nov 2025$66.3M$60.1M$6.3M
Oct 2025$77.5M$92.2M−$14.7M
Sep 2025$40.7M$62.7M−$22.0M
Aug 2025$35.5M$135.5M−$100.0M
Jul 2025$81.5M$153.7M−$72.2M

JAOSX Assets Under Management

Net assets of Janus Henderson Overseas Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$4.59B
2026-03-31$4.05B
2025-12-31$4.07B
2025-09-30$3.89B
2025-06-30$3.86B
2025-03-31$3.32B
2024-12-31$3.22B
2024-09-30$3.54B
2024-06-30$3.44B
2024-03-31$3.22B
2023-12-31$3.08B
2023-09-30$2.90B

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.