C000122735 Performance — Columbia Acorn Fund, Advisor Class

Data updated: 2026-08-28

C000122735 returned +32.36% over one year to Nov 2024. Annualised returns are −1.54% over 3 years and +6.61% over 5 years. Against its US Mid-Cap Blend category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $95, against $125 for the category, and to $132 over one year, against $130. Volatility over the past three years was 23.71% a year. In the 12 months to Jun 2026 the fund lost a net $381.2M, and assets reached $2.77B.

C000122735 Growth of $100

What $100 invested in Columbia Acorn 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.

PeriodC000122735Category average
1 year (Dec 2023 – Nov 2024)$132$130
3 years (Dec 2021 – Nov 2024)$95$125
5 years (Dec 2019 – Nov 2024)$138$172
Since data start (Jul 2019 – Nov 2024)$143$179

C000122735 Trailing Returns

Total returns to Nov 2024, from SEC N-PORT.

PeriodTotal return
1 year+32.36%
3 years (annualised)−1.54%
5 years (annualised)+6.61%

C000122735 Annual Returns

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

YearTotal return
2024 (Jan–Nov)+19.75%
2023+21.87%
2022−33.79%
2021+9.04%
2020+29.43%
2019 (Jul–Dec)+4.49%

C000122735 Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2024−1.6%+7.5%+3.7%−6.6%+1.5%−0.9%+5.1%+1.2%+2.6%−0.4%+6.9%—
2023+9.9%−0.2%+0.4%−1.2%−0.8%+7.7%+3.1%−1.7%−6.4%−8.9%+9.8%+10.5%
2022−15.8%−0.2%−1.8%−14.0%−3.8%−7.6%+15.3%−2.9%−9.4%+6.6%+2.9%−5.6%
2021+1.7%+4.1%−3.7%+3.4%−3.9%+6.5%+1.1%+3.2%−5.7%+8.1%−3.9%−1.2%
2020−0.3%−7.6%−14.6%+13.8%+11.7%+1.1%+5.6%+2.8%+0.7%+0.5%+10.4%+5.6%
2019——————+2.0%−3.4%−2.2%+1.1%+6.4%+1.0%

C000122735 Risk

Risk measures from monthly returns over Dec 2021 – Nov 2024.

  • 3-year volatility (annualised): 23.71%
  • 3-year Sharpe ratio: -0.25 (vs 4.5% risk-free rate)
  • Best month: +15.32% (Jul 2022)
  • Worst month: −15.81% (Jan 2022)

C000122735 Fund Flows

Monthly money in and out of Columbia Acorn Fund, from SEC Form N-PORT.

  • 12-month net flow: −$381.2M
  • 12-month gross sales (incl. reinvestments): $64.8M
  • Sales ÷ redemptions: 0.15×
MonthSalesRedemptionsNet flow
Jun 2026$27.5M$29.5M−$2.0M
May 2026$2.1M$32.3M−$30.2M
Apr 2026$2.4M$30.9M−$28.4M
Mar 2026$3.4M$31.7M−$28.2M
Feb 2026$2.7M$26.4M−$23.8M
Jan 2026$9.0M$39.8M−$30.9M
Dec 2025$2.6M$58.5M−$56.0M
Nov 2025$3.4M$44.0M−$40.6M
Oct 2025$3.5M$40.6M−$37.0M
Sep 2025$2.3M$34.4M−$32.1M
Aug 2025$2.9M$37.1M−$34.2M
Jul 2025$3.0M$40.8M−$37.8M

C000122735 Assets Under Management

Net assets of Columbia Acorn Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$2.77B
2026-03-31$2.25B
2025-12-31$2.44B
2025-09-30$2.54B
2025-06-30$2.46B
2025-03-31$2.28B
2024-12-31$2.73B
2024-09-30$2.79B
2024-06-30$2.67B
2024-03-31$2.94B
2023-12-31$2.79B
2023-09-30$2.62B

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.