JGMRX Performance — Janus Henderson Triton Fund, Class R
Data updated: 2026-08-26
JGMRX returned +17.31% year to date and +26.96% over one year to Jun 2026. Annualised returns are +13.33% over 3 years and +4.14% over 5 years. Against its US Mid-Cap Growth category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $146, against $152 for the category, and to $127 over one year, against $118. Volatility over the past three years was 16.53% a year. In the 12 months to Jun 2026 the fund lost a net $584.6M, and assets reached $5.93B.
JGMRX Growth of $100
What $100 invested in Janus Henderson Triton Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Growth category average over the same months.
| Period | JGMRX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $127 | $118 |
| 3 years (Jul 2023 – Jun 2026) | $146 | $152 |
| 5 years (Jul 2021 – Jun 2026) | $123 | $129 |
| Since data start (Jul 2019 – Jun 2026) | $174 | $203 |
JGMRX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +17.31% |
| 1 year | +26.96% |
| 3 years (annualised) | +13.33% |
| 5 years (annualised) | +4.14% |
JGMRX Annual Returns
Calendar-year total returns of Janus Henderson Triton Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +17.31% |
| 2025 | +8.98% |
| 2024 | +9.77% |
| 2023 | +13.86% |
| 2022 | −24.12% |
| 2021 | +6.42% |
| 2020 | +27.67% |
| 2019 (Jul–Dec) | +5.46% |
JGMRX 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 | +3.0% | +1.2% | −5.5% | +10.3% | +2.9% | +5.0% | — | — | — | — | — | — |
| 2025 | +4.1% | −4.0% | −7.0% | −0.4% | +3.7% | +4.9% | +1.8% | +1.4% | +0.3% | +2.6% | +2.4% | −0.5% |
| 2024 | +2.7% | +5.1% | −1.7% | −6.2% | +3.8% | −0.2% | +5.1% | +1.7% | +1.0% | −1.0% | +7.2% | −7.0% |
| 2023 | −1.1% | −1.2% | +8.8% | +6.9% | −2.6% | −0.8% | −5.6% | −3.0% | +2.8% | +10.0% | +9.4% | −8.4% |
| 2022 | +0.9% | −0.6% | −10.0% | −7.4% | −2.5% | −8.5% | −8.9% | −4.4% | +8.9% | −5.6% | +5.0% | +8.1% |
| 2021 | −1.6% | +2.9% | −0.9% | +2.3% | −1.4% | +4.0% | −3.1% | +1.4% | −0.5% | +3.3% | −4.2% | +4.3% |
| 2020 | −19.4% | −8.6% | −2.2% | +1.9% | +8.8% | +16.5% | −2.5% | +3.9% | +4.8% | +8.8% | +15.7% | +2.6% |
| 2019 | — | — | — | — | — | — | 0.0% | 0.0% | 0.0% | +0.5% | +5.6% | −0.7% |
JGMRX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 16.53%
- 3-year Sharpe ratio: 0.53 (vs 4.5% risk-free rate)
- Best month: +10.27% (Apr 2026)
- Worst month: −8.41% (Dec 2023)
JGMRX Fund Flows
Monthly money in and out of Janus Henderson Triton Fund, from SEC Form N-PORT.
- 12-month net flow: −$584.6M
- 12-month gross sales (incl. reinvestments): $1.1B
- Sales ÷ redemptions: 0.65×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $37.0M | $137.2M | −$100.2M |
| May 2026 | $37.2M | $110.2M | −$73.0M |
| Apr 2026 | $44.8M | $112.4M | −$67.6M |
| Mar 2026 | $43.9M | $123.2M | −$79.4M |
| Feb 2026 | $43.3M | $119.3M | −$76.0M |
| Jan 2026 | $39.3M | $181.8M | −$142.5M |
| Dec 2025 | $623.0M | $175.4M | $447.7M |
| Nov 2025 | $34.8M | $122.1M | −$87.3M |
| Oct 2025 | $40.2M | $160.6M | −$120.4M |
| Sep 2025 | $37.3M | $140.6M | −$103.3M |
| Aug 2025 | $33.6M | $95.2M | −$61.7M |
| Jul 2025 | $54.4M | $175.3M | −$120.9M |
JGMRX Assets Under Management
Net assets of Janus Henderson Triton Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $5.93B |
| 2026-03-31 | $5.18B |
| 2025-12-31 | $5.55B |
| 2025-09-30 | $5.62B |
| 2025-06-30 | $5.70B |
| 2025-03-31 | $5.55B |
| 2024-12-31 | $6.23B |
| 2024-09-30 | $6.67B |
| 2024-06-30 | $6.43B |
| 2024-03-31 | $6.90B |
| 2023-12-31 | $6.79B |
| 2023-09-30 | $6.45B |
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.