ACSG Performance — American Century Small Cap Growth Insights ETF
Data updated: 2026-07-29
In the 12 months to May 2026 the fund took in a net $14.9M, and assets reached $17.12M.
ACSG Growth of $100
What $100 invested in American Century Small Cap Growth Insights ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Small Growth category average over the same months.
| Period | ACSG | Category average |
|---|---|---|
| Since data start (Oct 2025 – May 2026) | $117 | $116 |
ACSG Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +15.69% |
ACSG Annual Returns
Calendar-year total returns of American Century Small Cap Growth Insights ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +15.69% |
| 2025 (Oct–Dec) | +0.81% |
ACSG 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 | +2.4% | +0.8% | −5.9% | +12.8% | +5.6% | — | — | — | — | — | — | — |
| 2025 | — | — | — | — | — | — | — | — | — | +1.0% | +1.4% | −1.5% |
ACSG Risk
Risk measures from monthly returns over Oct 2025 – May 2026.
- Best month: +12.77% (Apr 2026)
- Worst month: −5.91% (Mar 2026)
ACSG Fund Flows
Monthly money in and out of American Century Small Cap Growth Insights ETF, from SEC Form N-PORT.
- 12-month net flow: $14.9M
- 12-month gross sales (incl. reinvestments): $14.9M
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $1.1M | $0 | $1.1M |
| Apr 2026 | $1.1M | $0 | $1.1M |
| Mar 2026 | $4.0M | $0 | $4.0M |
| Feb 2026 | $1.6M | $0 | $1.6M |
| Jan 2026 | $537K | $0 | $537K |
| Dec 2025 | $0 | $0 | $0 |
| Nov 2025 | $1.0M | $0 | $1.0M |
| Oct 2025 | $5.6M | $0 | $5.6M |
ACSG Assets Under Management
Net assets of American Century Small Cap Growth Insights ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $17.12M |
| 2026-02-28 | $8.95M |
| 2025-11-30 | $6.74M |
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 Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date.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.