JAAGX Performance — Janus Henderson Enterprise Portfolio, Institutional Shares

Data updated: 2026-08-26

JAAGX returned +9.34% year to date and +14.01% over one year to Jun 2026. Annualised returns are +12.48% over 3 years and +7.60% 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 15.00% a year. In the 12 months to Jun 2026 the fund took in a net $29.5M, and assets reached $1.92B.

JAAGX Growth of $100

What $100 invested in Janus Henderson Enterprise Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Growth category average over the same months.

PeriodJAAGXCategory 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)$200$203

JAAGX Trailing Returns

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

PeriodTotal return
YTD+9.34%
1 year+14.01%
3 years (annualised)+12.48%
5 years (annualised)+7.60%

JAAGX Annual Returns

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

YearTotal return
2026 (Jan–Jun)+9.34%
2025+7.68%
2024+15.63%
2023+18.07%
2022−15.94%
2021+16.85%
2020+19.46%
2019 (Jul–Dec)+5.92%

JAAGX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026−0.1%−0.1%−5.8%+8.1%+4.7%+2.6%——————
2025+4.7%−3.0%−5.4%−1.2%+5.4%+3.4%+1.4%+1.1%0.0%0.0%+0.9%+0.9%
2024+1.9%+6.2%+0.5%−4.7%+2.6%−0.7%+5.8%+3.0%+0.7%−1.9%+7.7%−5.5%
2023+0.4%−1.2%+9.2%+7.3%−1.0%−1.8%−4.1%−3.1%+2.7%+7.7%+10.1%−7.7%
2022+0.4%−0.8%−6.5%−7.9%+1.1%−7.9%−8.8%−3.5%+9.1%−4.2%+5.3%+8.5%
2021+2.4%+5.2%−2.8%+0.8%−0.6%+4.3%−2.9%+1.1%+2.8%+5.2%−3.2%+3.9%
2020−18.4%−7.8%+0.5%+0.2%+7.7%+14.1%−2.5%+4.1%+5.5%+5.3%+14.0%−0.2%
2019——————0.0%0.0%0.0%+2.1%+4.0%−0.2%

JAAGX Risk

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

  • 3-year volatility (annualised): 15.00%
  • 3-year Sharpe ratio: 0.53 (vs 4.5% risk-free rate)
  • Best month: +10.07% (Nov 2023)
  • Worst month: −7.67% (Dec 2023)

JAAGX Fund Flows

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

  • 12-month net flow: $29.5M
  • 12-month gross sales (incl. reinvestments): $330.9M
  • Sales ÷ redemptions: 1.10×
MonthSalesRedemptionsNet flow
Jun 2026$166.6M$32.6M$134.0M
May 2026$10.4M$29.8M−$19.4M
Apr 2026$18.5M$29.3M−$10.8M
Mar 2026$20.5M$18.8M$1.7M
Feb 2026$13.6M$20.4M−$6.8M
Jan 2026$9.4M$39.7M−$30.4M
Dec 2025$12.7M$27.5M−$14.7M
Nov 2025$12.7M$24.9M−$12.1M
Oct 2025$18.9M$19.4M−$503K
Sep 2025$15.9M$22.6M−$6.7M
Aug 2025$14.8M$15.0M−$182K
Jul 2025$16.8M$21.4M−$4.6M

JAAGX Assets Under Management

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

Report dateNet assets
2026-06-30$1.92B
2026-03-31$1.70B
2025-12-31$1.84B
2025-09-30$1.83B
2025-06-30$1.80B
2025-03-31$1.67B
2024-12-31$1.76B
2024-09-30$1.76B
2024-06-30$1.62B
2024-03-31$1.66B
2023-12-31$1.55B
2023-09-30$1.46B

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.