PRDMX Performance — T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.

Data updated: 2026-08-27

PRDMX returned +8.20% year to date and +8.19% over one year to Jun 2026. Annualised returns are +15.79% over 3 years and +6.94% over 5 years. Against its US Mid-Cap Growth category average the fund came out ahead over three years but behind over one: $100 invested three years ago grew to $155, against $152 for the category, and to $108 over one year, against $118. Volatility over the past three years was 17.69% a year. In the 12 months to Jun 2026 the fund took in a net $1.2B, and assets reached $4.92B.

PRDMX Growth of $100

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

PeriodPRDMXCategory average
1 year (Jul 2025 – Jun 2026)$108$118
3 years (Jul 2023 – Jun 2026)$155$152
5 years (Jul 2021 – Jun 2026)$140$129
Since data start (Jul 2019 – Jun 2026)$217$203

PRDMX Trailing Returns

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

PeriodTotal return
YTD+8.20%
1 year+8.19%
3 years (annualised)+15.79%
5 years (annualised)+6.94%

PRDMX Annual Returns

Calendar-year total returns of T. Rowe Price Diversified Mid-Cap Growth Fund, Inc., compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+8.20%
2025+10.38%
2024+23.71%
2023+20.79%
2022−24.63%
2021+13.72%
2020+31.81%
2019 (Jul–Dec)+7.86%

PRDMX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026−0.2%+0.9%−6.6%+7.2%+3.6%+3.6%——————
2025+6.8%−6.2%−7.2%+3.7%+9.3%+4.9%+2.4%+0.7%0.0%0.0%−1.5%−1.7%
2024+0.1%+8.3%+2.3%−5.6%+1.3%+1.8%+0.4%+3.0%+2.9%+1.5%+13.2%−6.4%
2023+7.2%−1.2%+1.6%−0.8%−0.4%+8.1%+2.1%−3.0%−5.2%−5.4%+11.1%+6.5%
2022−12.7%−1.5%+1.7%−10.4%−2.5%−7.1%+11.8%−2.0%−8.5%+6.8%+5.5%−5.9%
2021−0.5%+2.5%−2.4%+5.6%−2.2%+6.4%+2.2%+2.9%−4.8%+6.8%−4.0%+1.2%
2020+0.5%−7.3%−15.7%+15.9%+10.1%+2.6%+6.0%+2.7%−1.5%+0.5%+12.9%+5.3%
2019——————+2.1%−2.2%−0.5%+1.7%+4.9%+1.8%

PRDMX Risk

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

  • 3-year volatility (annualised): 17.69%
  • 3-year Sharpe ratio: 0.64 (vs 4.5% risk-free rate)
  • Best month: +13.21% (Nov 2024)
  • Worst month: −7.25% (Mar 2025)

PRDMX Fund Flows

Monthly money in and out of T. Rowe Price Diversified Mid-Cap Growth Fund, Inc., from SEC Form N-PORT.

  • 12-month net flow: $1.2B
  • 12-month gross sales (incl. reinvestments): $2.3B
  • Sales ÷ redemptions: 2.09×
MonthSalesRedemptionsNet flow
Jun 2026$128.7M$132.8M−$4.1M
May 2026$124.8M$123.7M$1.2M
Apr 2026$105.7M$85.0M$20.7M
Mar 2026$151.0M$73.0M$78.0M
Feb 2026$125.4M$115.4M$10.0M
Jan 2026$145.9M$131.7M$14.2M
Dec 2025$522.2M$112.2M$410.0M
Nov 2025$175.2M$84.3M$90.9M
Oct 2025$179.2M$75.1M$104.1M
Sep 2025$146.5M$60.7M$85.7M
Aug 2025$294.0M$73.2M$220.9M
Jul 2025$243.7M$53.4M$190.2M

PRDMX Assets Under Management

Net assets of T. Rowe Price Diversified Mid-Cap Growth Fund, Inc. by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$4.92B
2026-03-31$4.26B
2025-12-31$4.42B
2025-09-30$4.27B
2025-06-30$3.65B
2025-03-31$2.73B
2024-12-31$2.74B
2024-09-30$2.49B
2024-06-30$2.28B
2024-03-31$2.32B
2023-12-31$2.06B
2023-09-30$1.86B

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.