JRAIX Performance — Janus Henderson Research Fund, Class I
Data updated: 2026-08-26
JRAIX returned +7.96% year to date and +17.31% over one year to Jun 2026. Annualised returns are +24.28% over 3 years and +13.29% over 5 years. The fund beat its US Large Growth category average: $100 invested three years ago grew to $192, against $175 for the category, and to $117 over one year, against $117. Volatility over the past three years was 16.87% a year. In the 12 months to Jun 2026 the fund took in a net $1.8B, and assets reached $29.38B.
JRAIX Growth of $100
What $100 invested in Janus Henderson Research Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Large Growth category average over the same months.
| Period | JRAIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $117 | $117 |
| 3 years (Jul 2023 – Jun 2026) | $192 | $175 |
| 5 years (Jul 2021 – Jun 2026) | $187 | $166 |
| Since data start (Jul 2019 – Jun 2026) | $305 | $271 |
JRAIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +7.96% |
| 1 year | +17.31% |
| 3 years (annualised) | +24.28% |
| 5 years (annualised) | +13.29% |
JRAIX Annual Returns
Calendar-year total returns of Janus Henderson Research Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +7.96% |
| 2025 | +18.44% |
| 2024 | +35.13% |
| 2023 | +43.13% |
| 2022 | −29.93% |
| 2021 | +20.46% |
| 2020 | +32.85% |
| 2019 (Jul–Dec) | +10.13% |
JRAIX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | −1.3% | −3.8% | −5.9% | +13.2% | +6.9% | −0.1% | — | — | — | — | — | — |
| 2025 | +2.0% | −3.0% | −8.6% | +2.3% | +9.8% | +7.3% | +3.9% | −0.2% | +3.8% | +3.3% | −1.5% | −0.8% |
| 2024 | +2.7% | +7.4% | +4.7% | −4.6% | +6.8% | +6.3% | −2.2% | +2.0% | +2.7% | +0.1% | +5.4% | +0.1% |
| 2023 | +7.1% | −1.7% | +8.3% | +6.2% | +5.5% | +0.9% | −5.2% | −0.6% | +3.5% | +4.2% | +10.7% | −1.2% |
| 2022 | +2.1% | −3.5% | −9.1% | −9.1% | −2.4% | −12.4% | −10.3% | −4.9% | +12.1% | −6.7% | +6.5% | +5.9% |
| 2021 | +1.3% | +1.7% | −2.3% | +5.0% | −0.8% | +6.8% | −5.0% | +2.5% | +2.1% | +1.8% | −0.8% | +7.1% |
| 2020 | −11.3% | −6.6% | +2.5% | +3.9% | +6.4% | +14.7% | −4.7% | +10.2% | +6.4% | +3.9% | +9.7% | −3.1% |
| 2019 | — | — | — | — | — | — | 0.0% | 0.0% | 0.0% | +3.0% | +4.9% | +2.0% |
JRAIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 16.87%
- 3-year Sharpe ratio: 1.17 (vs 4.5% risk-free rate)
- Best month: +13.19% (Apr 2026)
- Worst month: −8.55% (Mar 2025)
JRAIX Fund Flows
Monthly money in and out of Janus Henderson Research Fund, from SEC Form N-PORT.
- 12-month net flow: $1.8B
- 12-month gross sales (incl. reinvestments): $5.1B
- Sales ÷ redemptions: 1.56×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $130.9M | $294.3M | −$163.5M |
| May 2026 | $118.0M | $294.7M | −$176.7M |
| Apr 2026 | $138.0M | $321.9M | −$184.0M |
| Mar 2026 | $106.2M | $261.6M | −$155.4M |
| Feb 2026 | $121.7M | $262.7M | −$141.0M |
| Jan 2026 | $153.2M | $277.0M | −$123.9M |
| Dec 2025 | $3.1B | $439.2M | $2.6B |
| Nov 2025 | $113.0M | $234.9M | −$121.9M |
| Oct 2025 | $115.3M | $261.6M | −$146.3M |
| Sep 2025 | $108.7M | $206.5M | −$97.8M |
| Aug 2025 | $150.1M | $194.2M | −$44.1M |
| Jul 2025 | $750.6M | $201.3M | $549.3M |
JRAIX Assets Under Management
Net assets of Janus Henderson Research Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $29.38B |
| 2026-03-31 | $24.76B |
| 2025-12-31 | $28.16B |
| 2025-09-30 | $28.60B |
| 2025-06-30 | $26.17B |
| 2025-03-31 | $22.06B |
| 2024-12-31 | $24.74B |
| 2024-09-30 | $23.82B |
| 2024-06-30 | $23.52B |
| 2024-03-31 | $21.92B |
| 2023-12-31 | $19.21B |
| 2023-09-30 | $17.21B |
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.