JMGRX Performance — Janus Henderson Enterprise Fund, Class I
Data updated: 2026-08-26
JMGRX returned +9.29% year to date and +14.00% over one year to Jun 2026. Annualised returns are +12.30% over 3 years and +7.51% over 5 years. The fund trailed its US Mid-Cap Growth category average: $100 invested three years ago grew to $142, against $152 for the category, and to $114 over one year, against $118. Volatility over the past three years was 14.80% a year. In the 12 months to Jun 2026 the fund lost a net $2.0B, and assets reached $22.40B.
JMGRX Growth of $100
What $100 invested in Janus Henderson Enterprise 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 | JMGRX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $114 | $118 |
| 3 years (Jul 2023 – Jun 2026) | $142 | $152 |
| 5 years (Jul 2021 – Jun 2026) | $144 | $129 |
| Since data start (Jul 2019 – Jun 2026) | $201 | $203 |
JMGRX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +9.29% |
| 1 year | +14.00% |
| 3 years (annualised) | +12.30% |
| 5 years (annualised) | +7.51% |
JMGRX Annual Returns
Calendar-year total returns of Janus Henderson Enterprise Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +9.29% |
| 2025 | +7.64% |
| 2024 | +15.25% |
| 2023 | +17.97% |
| 2022 | −16.00% |
| 2021 | +17.40% |
| 2020 | +20.33% |
| 2019 (Jul–Dec) | +5.94% |
JMGRX 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 | −0.1% | −0.1% | −5.8% | +8.1% | +4.8% | +2.6% | — | — | — | — | — | — |
| 2025 | +4.7% | −3.1% | −5.4% | −1.3% | +5.4% | +3.3% | +1.4% | +1.0% | +0.1% | 0.0% | +0.9% | +0.9% |
| 2024 | +1.8% | +6.1% | +0.4% | −4.6% | +2.5% | −0.7% | +5.7% | +2.9% | +0.7% | −1.8% | +7.5% | −5.5% |
| 2023 | +0.4% | −1.2% | +9.4% | +7.1% | −1.0% | −1.8% | −4.0% | −3.1% | +2.7% | +7.5% | +9.9% | −7.5% |
| 2022 | +0.4% | −0.8% | −6.5% | −7.9% | +1.2% | −7.9% | −8.9% | −3.5% | +9.2% | −4.3% | +5.3% | +8.6% |
| 2021 | +2.6% | +5.3% | −2.9% | +0.8% | −0.5% | +4.4% | −2.9% | +1.1% | +2.9% | +5.3% | −3.3% | +3.9% |
| 2020 | −18.1% | −7.7% | +0.5% | +0.1% | +7.8% | +14.2% | −2.6% | +4.2% | +5.6% | +5.3% | +14.2% | −0.2% |
| 2019 | — | — | — | — | — | — | 0.0% | 0.0% | 0.0% | +2.1% | +4.0% | −0.2% |
JMGRX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 14.80%
- 3-year Sharpe ratio: 0.53 (vs 4.5% risk-free rate)
- Best month: +9.90% (Nov 2023)
- Worst month: −7.52% (Dec 2023)
JMGRX Fund Flows
Monthly money in and out of Janus Henderson Enterprise Fund, from SEC Form N-PORT.
- 12-month net flow: −$2.0B
- 12-month gross sales (incl. reinvestments): $5.8B
- Sales ÷ redemptions: 0.75×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $244.2M | $709.6M | −$465.4M |
| May 2026 | $498.2M | $933.0M | −$434.8M |
| Apr 2026 | $239.1M | $637.4M | −$398.4M |
| Mar 2026 | $269.7M | $691.5M | −$421.8M |
| Feb 2026 | $336.2M | $691.0M | −$354.8M |
| Jan 2026 | $344.0M | $618.8M | −$274.8M |
| Dec 2025 | $1.8B | $726.0M | $1.1B |
| Nov 2025 | $254.6M | $734.5M | −$479.9M |
| Oct 2025 | $446.2M | $670.9M | −$224.7M |
| Sep 2025 | $397.3M | $547.2M | −$150.0M |
| Aug 2025 | $472.4M | $375.8M | $96.7M |
| Jul 2025 | $465.1M | $450.1M | $14.9M |
JMGRX Assets Under Management
Net assets of Janus Henderson Enterprise Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $22.40B |
| 2026-03-31 | $20.44B |
| 2025-12-31 | $22.81B |
| 2025-09-30 | $23.61B |
| 2025-06-30 | $23.07B |
| 2025-03-31 | $21.28B |
| 2024-12-31 | $22.37B |
| 2024-09-30 | $22.79B |
| 2024-06-30 | $20.49B |
| 2024-03-31 | $21.08B |
| 2023-12-31 | $19.66B |
| 2023-09-30 | $18.28B |
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.