PWGIX Performance — Impax US Sustainable Economy Fund, Institutional Class
Data updated: 2026-08-19
PWGIX returned +12.46% year to date and +25.82% over one year to Jun 2026. Annualised returns are +19.38% over 3 years and +12.46% over 5 years. The fund beat its Thematic Equity category average: $100 invested three years ago grew to $170, against $161 for the category, and to $126 over one year, against $115. Volatility over the past three years was 13.99% a year. In the 12 months to Jun 2026 the fund took in a net $435.1M, and assets reached $1.09B.
PWGIX Growth of $100
What $100 invested in Impax US Sustainable Economy Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Thematic Equity category average over the same months.
| Period | PWGIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $126 | $115 |
| 3 years (Jul 2023 – Jun 2026) | $170 | $161 |
| 5 years (Jul 2021 – Jun 2026) | $180 | $141 |
| Since data start (Jul 2019 – Jun 2026) | $263 | $227 |
PWGIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +12.46% |
| 1 year | +25.82% |
| 3 years (annualised) | +19.38% |
| 5 years (annualised) | +12.46% |
PWGIX Annual Returns
Calendar-year total returns of Impax US Sustainable Economy Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +12.46% |
| 2025 | +16.00% |
| 2024 | +20.69% |
| 2023 | +24.63% |
| 2022 | −18.01% |
| 2021 | +30.34% |
| 2020 | +13.56% |
| 2019 (Jul–Dec) | +10.40% |
PWGIX 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 | +1.5% | −0.9% | −5.2% | +10.1% | +7.0% | +0.2% | — | — | — | — | — | — |
| 2025 | +1.8% | −1.2% | −6.2% | −0.8% | +5.8% | +4.8% | +1.8% | +2.2% | +3.1% | +3.3% | +0.8% | +0.1% |
| 2024 | +1.8% | +5.1% | +3.6% | −5.2% | +5.4% | +3.0% | +2.2% | +2.3% | +2.0% | −2.1% | +5.5% | −3.9% |
| 2023 | +3.4% | −1.9% | +6.5% | +5.9% | +0.1% | +0.8% | −5.6% | −1.6% | +3.0% | −2.6% | +9.5% | +6.0% |
| 2022 | +3.3% | −3.1% | −6.0% | −7.4% | +0.4% | −8.2% | −9.2% | −5.1% | +8.1% | −5.4% | +7.5% | +7.8% |
| 2021 | +4.4% | +2.6% | +0.3% | +2.5% | +1.1% | +4.8% | −5.2% | +2.7% | +3.1% | +5.2% | −0.9% | +6.8% |
| 2020 | −12.6% | −8.3% | −0.9% | +2.0% | +4.3% | +12.1% | −3.3% | +6.1% | +5.1% | +3.7% | +10.0% | −2.7% |
| 2019 | — | — | — | — | — | — | +2.3% | −1.2% | +1.7% | +2.7% | +3.4% | +1.2% |
PWGIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 13.99%
- 3-year Sharpe ratio: 1.06 (vs 4.5% risk-free rate)
- Best month: +10.05% (Apr 2026)
- Worst month: −6.24% (Mar 2025)
PWGIX Fund Flows
Monthly money in and out of Impax US Sustainable Economy Fund, from SEC Form N-PORT.
- 12-month net flow: $435.1M
- 12-month gross sales (incl. reinvestments): $504.6M
- Sales ÷ redemptions: 7.26×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $116.4M | $16.9M | $99.5M |
| May 2026 | $56.7M | $4.5M | $52.3M |
| Apr 2026 | $2.2M | $4.8M | −$2.6M |
| Mar 2026 | $3.0M | $3.6M | −$656K |
| Feb 2026 | $291.6M | $5.4M | $286.2M |
| Jan 2026 | $1.7M | $5.0M | −$3.3M |
| Dec 2025 | $27.3M | $4.4M | $23.0M |
| Nov 2025 | $989K | $4.3M | −$3.3M |
| Oct 2025 | $1.9M | $3.9M | −$2.0M |
| Sep 2025 | $1.0M | $2.2M | −$1.2M |
| Aug 2025 | $1.0M | $3.7M | −$2.6M |
| Jul 2025 | $713K | $11.0M | −$10.2M |
PWGIX Assets Under Management
Net assets of Impax US Sustainable Economy Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $1.09B |
| 2026-03-31 | $793.72M |
| 2025-12-31 | $554.20M |
| 2025-09-30 | $540.64M |
| 2025-06-30 | $517.31M |
| 2025-03-31 | $322.17M |
| 2024-12-31 | $335.37M |
| 2024-09-30 | $342.94M |
| 2024-06-30 | $324.08M |
| 2024-03-31 | $316.55M |
| 2023-12-31 | $289.95M |
| 2023-09-30 | $258.96M |
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.