CBSAX Performance — Columbia Select Mid Cap Growth Fund, Class A

Data updated: 2026-07-29

CBSAX returned +16.74% year to date and +30.61% over one year to May 2026. Annualised returns are +23.15% over 3 years and +9.34% over 5 years. The fund beat its US Mid-Cap Blend category average: $100 invested three years ago grew to $187, against $156 for the category, and to $131 over one year, against $122. Volatility over the past three years was 21.27% a year. In the 12 months to May 2026 the fund took in a net $257.3M, and assets reached $2.21B.

CBSAX Growth of $100

What $100 invested in Columbia Select Mid Cap Growth Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Blend category average over the same months.

PeriodCBSAXCategory average
1 year (Jun 2025 – May 2026)$131$122
3 years (Jun 2023 – May 2026)$187$156
5 years (Jun 2021 – May 2026)$156$143
Since data start (Sep 2019 – May 2026)$243$204

CBSAX Trailing Returns

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

PeriodTotal return
YTD+16.74%
1 year+30.61%
3 years (annualised)+23.15%
5 years (annualised)+9.34%

CBSAX Annual Returns

Calendar-year total returns of Columbia Select Mid Cap Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–May)+16.74%
2025+14.78%
2024+23.42%
2023+24.95%
2022−31.43%
2021+16.21%
2020+34.89%
2019 (Sep–Dec)+9.55%

CBSAX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+2.0%+2.5%−7.4%+11.4%+8.3%———————
2025+6.6%−6.0%−10.3%+3.3%+10.6%+9.4%+2.4%+0.9%+2.8%+2.0%−4.6%−1.0%
2024+0.9%+8.1%+2.2%−6.3%+1.2%+1.6%+0.9%+1.2%+4.0%+1.3%+15.0%−7.1%
2023+8.7%−0.9%+3.1%−1.6%+1.2%+8.6%+2.7%−4.5%−5.4%−5.7%+11.8%+6.3%
2022−15.6%−1.1%+0.6%−13.4%−3.7%−7.6%+15.3%−3.0%−9.3%+7.6%+2.7%−5.7%
20210.0%+3.3%−0.8%+5.3%−2.4%+7.0%+2.3%+2.7%−6.0%+8.6%−2.1%−1.9%
2020+0.6%−6.5%−14.1%+13.9%+10.7%+2.3%+8.8%+2.0%+0.6%+0.4%+10.0%+5.0%
2019————————−0.1%+2.6%+5.0%+1.8%

CBSAX Risk

Risk measures from monthly returns over Jun 2023 – May 2026.

  • 3-year volatility (annualised): 21.27%
  • 3-year Sharpe ratio: 0.88 (vs 4.5% risk-free rate)
  • Best month: +14.96% (Nov 2024)
  • Worst month: −10.34% (Mar 2025)

CBSAX Fund Flows

Monthly money in and out of Columbia Select Mid Cap Growth Fund, from SEC Form N-PORT.

  • 12-month net flow: $257.3M
  • 12-month gross sales (incl. reinvestments): $535.8M
  • Sales ÷ redemptions: 1.92×
MonthSalesRedemptionsNet flow
May 2026$24.9M$23.8M$1.1M
Apr 2026$28.9M$26.2M$2.7M
Mar 2026$25.9M$29.2M−$3.3M
Feb 2026$111.8M$18.9M$92.9M
Jan 2026$41.8M$25.9M$15.9M
Dec 2025$216.2M$40.6M$175.6M
Nov 2025$17.4M$20.2M−$2.8M
Oct 2025$15.0M$20.1M−$5.1M
Sep 2025$14.8M$19.5M−$4.7M
Aug 2025$14.8M$15.5M−$627K
Jul 2025$17.7M$17.1M$622K
Jun 2025$6.5M$21.5M−$15.0M

CBSAX Assets Under Management

Net assets of Columbia Select Mid Cap Growth Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-05-31$2.21B
2026-02-28$1.98B
2025-11-30$1.84B
2025-08-31$1.85B
2025-05-31$1.65B
2025-02-28$1.65B
2024-11-30$1.82B
2024-08-31$1.54B
2024-05-31$1.52B
2024-02-29$1.61B
2023-11-30$1.43B
2023-08-31$1.48B

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.