ACWZX Performance — AMG GW&K Small/Mid Cap Growth Fund, Class Z

Data updated: 2026-09-25

ACWZX returned +13.61% year to date and +25.05% over one year to Jul 2026. The annualised 3-year return is +13.48%. The fund beat its US Mid-Cap Growth category average: $100 invested three years ago grew to $146, against $139 for the category, and to $125 over one year, against $110. Volatility over the past three years was 17.41% a year. In the 12 months to Jul 2026 the fund took in a net $1.5M, and assets reached $42.75M.

ACWZX Growth of $100

What $100 invested in AMG GW&K Small/Mid Cap Growth 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.

PeriodACWZXCategory average
1 year (Aug 2025 – Jul 2026)$125$110
3 years (Aug 2023 – Jul 2026)$146$139
Since data start (Sep 2021 – Jul 2026)$131$118

ACWZX Trailing Returns

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

PeriodTotal return
YTD+13.61%
1 year+25.05%
3 years (annualised)+13.48%

ACWZX Annual Returns

Calendar-year total returns of AMG GW&K Small/Mid Cap Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jul)+13.61%
2025+11.23%
2024+9.51%
2023+21.41%
2022−22.18%
2021 (Sep–Dec)+0.43%

ACWZX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+4.0%+2.7%−5.2%+9.1%+3.0%+5.6%−5.4%—————
2025+4.7%−5.2%−8.3%−2.3%+5.2%+5.1%+2.8%+3.8%+2.2%+2.8%+2.2%−1.2%
2024−2.6%+7.8%+2.1%−7.0%+3.0%+0.3%+5.1%+0.8%−0.1%−0.9%+9.2%−7.1%
2023+10.3%−1.9%−1.2%−1.7%−2.5%+8.7%+3.2%−1.3%−5.0%−5.4%+8.8%+9.4%
2022−11.4%0.0%0.0%−8.8%−1.4%−6.9%+10.0%−5.0%−7.8%+9.5%+5.0%−5.3%
2021————————−3.1%+6.4%−5.8%+3.4%

ACWZX Risk

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

  • 3-year volatility (annualised): 17.41%
  • 3-year Sharpe ratio: 0.52 (vs 4.5% risk-free rate)
  • Best month: +9.42% (Dec 2023)
  • Worst month: −8.26% (Mar 2025)

ACWZX Fund Flows

Monthly money in and out of AMG GW&K Small/Mid Cap Growth Fund, from SEC Form N-PORT.

  • 12-month net flow: $1.5M
  • 12-month gross sales (incl. reinvestments): $5.5M
  • Sales ÷ redemptions: 1.39×
MonthSalesRedemptionsNet flow
Jul 2026$281K$203K$78K
Jun 2026$246K$198K$48K
May 2026$130K$397K−$268K
Apr 2026$97K$326K−$229K
Mar 2026$215K$369K−$154K
Feb 2026$132K$303K−$171K
Jan 2026$151K$452K−$301K
Dec 2025$3.9M$586K$3.3M
Nov 2025$27K$320K−$293K
Oct 2025$87K$166K−$79K
Sep 2025$212K$213K−$706
Aug 2025$47K$438K−$391K

ACWZX Assets Under Management

Net assets of AMG GW&K Small/Mid Cap Growth Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-07-31$42.75M
2026-04-30$41.69M
2026-01-30$39.81M
2025-10-31$38.96M
2025-07-31$36.20M
2025-04-30$32.42M
2025-01-31$42.68M
2024-10-31$41.84M
2024-07-31$40.52M
2024-04-30$39.43M
2024-01-31$39.14M
2023-10-31$34.70M

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.