TPLGX vs. AMRGX
Compare and contrast key facts about T. Rowe Price Institutional Large Cap Core Growth Fund (TPLGX) and American Growth Fund Series One (AMRGX).
TPLGX is managed by T. Rowe Price. It was launched on Sep 30, 2003. AMRGX is managed by American Growth. It was launched on Jul 31, 1958.
Performance
TPLGX vs. AMRGX - Performance Comparison
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TPLGX vs. AMRGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TPLGX T. Rowe Price Institutional Large Cap Core Growth Fund | -14.47% | 18.66% | 35.22% | 49.63% | -38.49% | 17.84% | 34.70% | 30.15% | 2.18% | 36.49% |
AMRGX American Growth Fund Series One | -1.31% | 11.18% | 16.61% | 24.38% | -19.93% | 15.64% | 18.65% | 36.73% | -9.07% | 13.37% |
Returns By Period
In the year-to-date period, TPLGX achieves a -14.47% return, which is significantly lower than AMRGX's -1.31% return. Over the past 10 years, TPLGX has outperformed AMRGX with an annualized return of 14.45%, while AMRGX has yielded a comparatively lower 10.41% annualized return.
TPLGX
- 1D
- -0.34%
- 1M
- -8.80%
- YTD
- -14.47%
- 6M
- -12.97%
- 1Y
- 11.57%
- 3Y*
- 20.82%
- 5Y*
- 8.15%
- 10Y*
- 14.45%
AMRGX
- 1D
- -1.60%
- 1M
- -10.92%
- YTD
- -1.31%
- 6M
- 7.51%
- 1Y
- 16.26%
- 3Y*
- 14.01%
- 5Y*
- 7.34%
- 10Y*
- 10.41%
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TPLGX vs. AMRGX - Expense Ratio Comparison
TPLGX has a 0.57% expense ratio, which is lower than AMRGX's 4.07% expense ratio.
Return for Risk
TPLGX vs. AMRGX — Risk / Return Rank
TPLGX
AMRGX
TPLGX vs. AMRGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Institutional Large Cap Core Growth Fund (TPLGX) and American Growth Fund Series One (AMRGX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| TPLGX | AMRGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.52 | 0.62 | -0.09 |
Sortino ratioReturn per unit of downside risk | 0.92 | 1.12 | -0.20 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.19 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.51 | 0.99 | -0.48 |
Martin ratioReturn relative to average drawdown | 1.78 | 2.37 | -0.59 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| TPLGX | AMRGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.52 | 0.62 | -0.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.34 | 0.34 | 0.00 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.64 | 0.49 | +0.14 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.52 | 0.10 | +0.42 |
Correlation
The correlation between TPLGX and AMRGX is 0.83, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
TPLGX vs. AMRGX - Dividend Comparison
TPLGX's dividend yield for the trailing twelve months is around 23.73%, more than AMRGX's 18.06% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TPLGX T. Rowe Price Institutional Large Cap Core Growth Fund | 23.73% | 20.30% | 12.87% | 3.70% | 4.39% | 8.81% | 0.59% | 0.60% | 1.65% | 1.39% | 0.25% | 0.44% |
AMRGX American Growth Fund Series One | 18.06% | 17.82% | 12.39% | 8.17% | 7.77% | 12.21% | 2.36% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
TPLGX vs. AMRGX - Drawdown Comparison
The maximum TPLGX drawdown since its inception was -54.57%, smaller than the maximum AMRGX drawdown of -80.32%. Use the drawdown chart below to compare losses from any high point for TPLGX and AMRGX.
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Drawdown Indicators
| TPLGX | AMRGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.57% | -80.32% | +25.75% |
Max Drawdown (1Y)Largest decline over 1 year | -17.15% | -13.98% | -3.17% |
Max Drawdown (5Y)Largest decline over 5 years | -43.45% | -35.42% | -8.03% |
Max Drawdown (10Y)Largest decline over 10 years | -43.45% | -35.42% | -8.03% |
Current DrawdownCurrent decline from peak | -17.15% | -13.98% | -3.17% |
Average DrawdownAverage peak-to-trough decline | -8.71% | -40.45% | +31.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.88% | 5.82% | -0.94% |
Volatility
TPLGX vs. AMRGX - Volatility Comparison
The current volatility for T. Rowe Price Institutional Large Cap Core Growth Fund (TPLGX) is 5.55%, while American Growth Fund Series One (AMRGX) has a volatility of 6.18%. This indicates that TPLGX experiences smaller price fluctuations and is considered to be less risky than AMRGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TPLGX | AMRGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.55% | 6.18% | -0.63% |
Volatility (6M)Calculated over the trailing 6-month period | 11.76% | 23.49% | -11.73% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.38% | 28.26% | -5.88% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.27% | 21.84% | +2.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.84% | 21.30% | +1.54% |