ISMVX Performance — William Blair Small-Mid Cap Value Fund, Class I
Data updated: 2026-08-14
ISMVX returned +23.41% year to date and +32.50% over one year to Jun 2026. Over one year the fund beat its US Mid-Cap Value category average: $100 grew to $133, against $120 for the category. Volatility over the past 12 months was 12.89% a year. In the 12 months to Jun 2026 the fund took in a net $109K, and assets reached $4.33M.
ISMVX Growth of $100
What $100 invested in William Blair Small-Mid Cap Value Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Value category average over the same months.
| Period | ISMVX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $133 | $120 |
| Since data start (Aug 2023 – Jun 2026) | $143 | $143 |
ISMVX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +23.41% |
| 1 year | +32.50% |
| 3 years (annualised) | +13.00% |
ISMVX Annual Returns
Calendar-year total returns of William Blair Small-Mid Cap Value Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +23.41% |
| 2025 | +3.16% |
| 2024 | +5.39% |
| 2023 (Aug–Dec) | +6.45% |
ISMVX 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 | +6.5% | +2.2% | −4.0% | +8.3% | +2.9% | +6.0% | — | — | — | — | — | — |
| 2025 | +2.9% | −3.9% | −4.6% | −4.5% | +4.0% | +2.6% | −0.2% | +5.4% | −1.4% | −1.4% | +3.6% | +1.2% |
| 2024 | −2.4% | +1.7% | +6.4% | −6.4% | +3.0% | −2.6% | +8.6% | −0.7% | 0.0% | −2.3% | +8.4% | −7.1% |
| 2023 | — | — | — | — | — | — | — | +2.2% | −5.2% | −6.9% | +7.8% | +9.5% |
ISMVX Risk
Risk measures from monthly returns over Jul 2025 – Jun 2026.
- 1-year volatility (annualised): 12.89%
- Best month: +8.33% (Apr 2026)
- Worst month: −3.96% (Mar 2026)
ISMVX Fund Flows
Monthly money in and out of William Blair Small-Mid Cap Value Fund, from SEC Form N-PORT.
- 12-month net flow: $109K
- 12-month gross sales (incl. reinvestments): $109K
- Sales ÷ redemptions: 220.47×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $0 | $0 | $0 |
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $0 | $0 | $0 |
| Mar 2026 | $51K | $0 | $51K |
| Feb 2026 | $5K | $0 | $5K |
| Jan 2026 | $0 | $0 | $0 |
| Dec 2025 | $53K | $495 | $53K |
| Nov 2025 | $0 | $0 | $0 |
| Oct 2025 | $0 | $0 | $0 |
| Sep 2025 | $0 | $0 | $0 |
| Aug 2025 | $0 | $0 | $0 |
| Jul 2025 | $0 | $0 | $0 |
ISMVX Assets Under Management
Net assets of William Blair Small-Mid Cap Value Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $4.33M |
| 2026-03-31 | $3.67M |
| 2025-12-31 | $3.46M |
| 2025-09-30 | $3.34M |
| 2025-06-30 | $3.22M |
| 2025-03-31 | $3.16M |
| 2024-12-31 | $3.35M |
| 2024-09-30 | $3.40M |
| 2024-06-30 | $2.69M |
| 2024-03-31 | $2.86M |
| 2023-12-31 | $1.58M |
| 2023-09-30 | $1.67M |
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.