CISOX Performance — Calamos International Small Cap Growth Fund, Class R6
Data updated: 2026-09-29
CISOX returned +13.56% year to date and +9.43% over one year to Jul 2026. The annualised 3-year return is +15.62%. Against its International Small Growth category average the fund came out ahead over three years but behind over one: $100 invested three years ago grew to $155, against $141 for the category, and to $109 over one year, against $115. Volatility over the past three years was 22.86% a year. In the 12 months to Jul 2026 the fund took in a net $5.5M, and assets reached $12.98M.
CISOX Growth of $100
What $100 invested in Calamos International Small Cap Growth Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Small Growth category average over the same months.
| Period | CISOX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $109 | $115 |
| 3 years (Aug 2023 – Jul 2026) | $155 | $141 |
| Since data start (Apr 2022 – Jul 2026) | $131 | $130 |
CISOX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +13.56% |
| 1 year | +9.43% |
| 3 years (annualised) | +15.62% |
CISOX Annual Returns
Calendar-year total returns of Calamos International Small Cap Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +13.56% |
| 2025 | +15.27% |
| 2024 | +10.21% |
| 2023 | +13.60% |
| 2022 (Apr–Dec) | −20.14% |
CISOX 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 | +10.3% | +8.0% | −11.1% | +20.4% | +7.9% | −6.2% | −12.0% | — | — | — | — | — |
| 2025 | −0.8% | −2.8% | −0.6% | +6.1% | +11.1% | +6.3% | −0.3% | +2.0% | +2.6% | −1.5% | −7.6% | +1.1% |
| 2024 | +1.0% | +6.3% | +2.3% | −2.3% | +6.1% | +2.5% | +1.4% | −1.1% | +0.9% | −6.0% | +1.2% | −1.9% |
| 2023 | +5.0% | −2.6% | +0.9% | −1.1% | −3.3% | +3.3% | +4.1% | −2.4% | −4.8% | −3.2% | +11.9% | +6.4% |
| 2022 | — | — | — | −9.6% | −0.8% | −11.2% | +4.5% | −4.2% | −7.5% | +3.8% | +6.3% | −1.9% |
CISOX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 22.86%
- 3-year Sharpe ratio: 0.49 (vs 4.5% risk-free rate)
- Best month: +20.40% (Apr 2026)
- Worst month: −12.00% (Jul 2026)
CISOX Fund Flows
Monthly money in and out of Calamos International Small Cap Growth Fund, from SEC Form N-PORT.
- 12-month net flow: $5.5M
- 12-month gross sales (incl. reinvestments): $6.3M
- Sales ÷ redemptions: 8.72×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $293K | $76K | $217K |
| Jun 2026 | $404K | $134K | $270K |
| May 2026 | $598K | $130K | $467K |
| Apr 2026 | $142K | $11K | $131K |
| Mar 2026 | $52K | $81K | −$29K |
| Feb 2026 | $190K | $1K | $189K |
| Jan 2026 | $4.0M | $10K | $4.0M |
| Dec 2025 | $139K | $116K | $23K |
| Nov 2025 | $120K | $3K | $117K |
| Oct 2025 | $14K | $92K | −$78K |
| Sep 2025 | $142K | $47K | $95K |
| Aug 2025 | $203K | $18K | $186K |
CISOX Assets Under Management
Net assets of Calamos International Small Cap Growth Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $12.98M |
| 2026-04-30 | $13.62M |
| 2026-01-31 | $11.51M |
| 2025-10-31 | $7.30M |
| 2025-07-31 | $6.88M |
| 2025-04-30 | $5.71M |
| 2025-01-31 | $5.60M |
| 2024-10-31 | $5.67M |
| 2024-07-31 | $4.39M |
| 2024-04-30 | $3.83M |
| 2024-01-31 | $2.96M |
| 2023-10-31 | $2.36M |
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.