ARIMX Performance — AMG River Road Small-Mid Cap Value Fund, Class I
Data updated: 2026-09-25
ARIMX returned +10.16% year to date and +12.66% over one year to Jul 2026. Annualised returns are +11.15% over 3 years and +7.70% over 5 years. The fund trailed its US Small Value category average: $100 invested three years ago grew to $137, against $147 for the category, and to $113 over one year, against $131. Volatility over the past three years was 14.15% a year. In the 12 months to Jul 2026 the fund lost a net $27.7M, and assets reached $343.01M.
ARIMX Growth of $100
What $100 invested in AMG River Road Small-Mid Cap Value Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Small Value category average over the same months.
| Period | ARIMX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $113 | $131 |
| 3 years (Aug 2023 – Jul 2026) | $137 | $147 |
| 5 years (Aug 2021 – Jul 2026) | $145 | $154 |
| Since data start (Aug 2019 – Jul 2026) | $187 | $214 |
ARIMX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +10.16% |
| 1 year | +12.66% |
| 3 years (annualised) | +11.15% |
| 5 years (annualised) | +7.70% |
ARIMX Annual Returns
Calendar-year total returns of AMG River Road Small-Mid Cap Value Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +10.16% |
| 2025 | +4.22% |
| 2024 | +12.81% |
| 2023 | +14.59% |
| 2022 | −8.21% |
| 2021 | +23.62% |
| 2020 | +2.02% |
| 2019 (Aug–Dec) | +8.57% |
ARIMX 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 | +2.2% | +0.2% | −3.9% | +4.8% | −3.4% | +6.7% | +3.7% | — | — | — | — | — |
| 2025 | +2.8% | −2.7% | −3.1% | −2.5% | +3.4% | +3.1% | +1.2% | +2.6% | −2.2% | −0.9% | +3.0% | −0.2% |
| 2024 | −2.3% | +5.2% | +5.7% | −5.5% | +2.6% | −3.4% | +6.9% | −1.1% | +0.9% | −0.1% | +11.3% | −6.5% |
| 2023 | +8.7% | −2.9% | −3.7% | −1.2% | −4.4% | +8.3% | +4.1% | 0.0% | −2.4% | −3.4% | +4.4% | +7.7% |
| 2022 | −4.8% | −0.9% | +2.2% | −4.3% | +2.8% | −7.7% | +9.2% | −3.5% | −9.5% | +12.6% | +2.0% | −4.3% |
| 2021 | −0.1% | +7.6% | +6.4% | +3.5% | +0.8% | −1.6% | −1.0% | +0.9% | −2.8% | +3.4% | −2.5% | +7.6% |
| 2020 | −5.0% | −10.2% | −22.7% | +11.4% | +5.7% | +3.1% | +2.1% | +4.8% | −3.9% | +1.0% | +15.5% | +6.3% |
| 2019 | — | — | — | — | — | — | — | −3.7% | +1.8% | +3.9% | +4.0% | +2.5% |
ARIMX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 14.15%
- 3-year Sharpe ratio: 0.47 (vs 4.5% risk-free rate)
- Best month: +11.26% (Nov 2024)
- Worst month: −6.54% (Dec 2024)
ARIMX Fund Flows
Monthly money in and out of AMG River Road Small-Mid Cap Value Fund, from SEC Form N-PORT.
- 12-month net flow: −$27.7M
- 12-month gross sales (incl. reinvestments): $62.2M
- Sales ÷ redemptions: 0.69×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $1.2M | $5.8M | −$4.6M |
| Jun 2026 | $2.0M | $4.7M | −$2.7M |
| May 2026 | $2.4M | $3.6M | −$1.2M |
| Apr 2026 | $4.6M | $10.0M | −$5.4M |
| Mar 2026 | $3.3M | $23.3M | −$19.9M |
| Feb 2026 | $2.6M | $14.1M | −$11.5M |
| Jan 2026 | $4.2M | $3.7M | $508K |
| Dec 2025 | $22.3M | $8.4M | $13.8M |
| Nov 2025 | $5.1M | $4.8M | $306K |
| Oct 2025 | $6.5M | $5.3M | $1.2M |
| Sep 2025 | $3.4M | $2.2M | $1.1M |
| Aug 2025 | $4.6M | $3.9M | $744K |
ARIMX Assets Under Management
Net assets of AMG River Road Small-Mid Cap Value Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $343.01M |
| 2026-04-30 | $329.28M |
| 2026-01-30 | $363.82M |
| 2025-10-31 | $348.69M |
| 2025-07-31 | $347.19M |
| 2025-04-30 | $308.81M |
| 2025-01-31 | $341.13M |
| 2024-10-31 | $319.96M |
| 2024-07-31 | $316.50M |
| 2024-04-30 | $303.26M |
| 2024-01-31 | $287.24M |
| 2023-10-31 | $262.19M |
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.