TSNIX vs. VOO
Compare and contrast key facts about T. Rowe Price Science & Technology Fund I Class (TSNIX) and Vanguard S&P 500 ETF (VOO).
TSNIX is an actively managed fund by T. Rowe Price. It was launched on Mar 23, 2016. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010.
Performance
TSNIX vs. VOO - Performance Comparison
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TSNIX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TSNIX T. Rowe Price Science & Technology Fund I Class | -7.18% | 24.45% | 40.65% | 53.94% | -35.29% | 5.72% | 46.10% | 55.54% | -7.41% | 39.56% |
VOO Vanguard S&P 500 ETF | -3.66% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Returns By Period
In the year-to-date period, TSNIX achieves a -7.18% return, which is significantly lower than VOO's -3.66% return. Over the past 10 years, TSNIX has outperformed VOO with an annualized return of 19.15%, while VOO has yielded a comparatively lower 14.14% annualized return.
TSNIX
- 1D
- 4.46%
- 1M
- -10.25%
- YTD
- -7.18%
- 6M
- -4.99%
- 1Y
- 35.70%
- 3Y*
- 25.37%
- 5Y*
- 9.23%
- 10Y*
- 19.15%
VOO
- 1D
- 0.79%
- 1M
- -4.29%
- YTD
- -3.66%
- 6M
- -1.41%
- 1Y
- 18.17%
- 3Y*
- 18.58%
- 5Y*
- 11.93%
- 10Y*
- 14.14%
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TSNIX vs. VOO - Expense Ratio Comparison
TSNIX has a 0.67% expense ratio, which is higher than VOO's 0.03% expense ratio.
Return for Risk
TSNIX vs. VOO — Risk / Return Rank
TSNIX
VOO
TSNIX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Science & Technology Fund I Class (TSNIX) and Vanguard S&P 500 ETF (VOO). 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.
| TSNIX | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.39 | 1.01 | +0.38 |
Sortino ratioReturn per unit of downside risk | 1.99 | 1.53 | +0.46 |
Omega ratioGain probability vs. loss probability | 1.28 | 1.23 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.86 | 1.55 | +0.31 |
Martin ratioReturn relative to average drawdown | 6.14 | 7.31 | -1.17 |
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
| TSNIX | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.39 | 1.01 | +0.38 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.34 | 0.71 | -0.37 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.78 | 0.79 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.79 | 0.83 | -0.04 |
Correlation
The correlation between TSNIX and VOO 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
TSNIX vs. VOO - Dividend Comparison
TSNIX's dividend yield for the trailing twelve months is around 12.56%, more than VOO's 1.18% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TSNIX T. Rowe Price Science & Technology Fund I Class | 12.56% | 11.66% | 9.62% | 0.00% | 7.82% | 33.71% | 14.00% | 11.91% | 36.28% | 13.35% | 3.82% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.18% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
TSNIX vs. VOO - Drawdown Comparison
The maximum TSNIX drawdown since its inception was -46.22%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for TSNIX and VOO.
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Drawdown Indicators
| TSNIX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.22% | -33.99% | -12.23% |
Max Drawdown (1Y)Largest decline over 1 year | -17.97% | -11.98% | -5.99% |
Max Drawdown (5Y)Largest decline over 5 years | -46.22% | -24.52% | -21.70% |
Max Drawdown (10Y)Largest decline over 10 years | -46.22% | -33.99% | -12.23% |
Current DrawdownCurrent decline from peak | -14.31% | -5.55% | -8.76% |
Average DrawdownAverage peak-to-trough decline | -8.81% | -3.72% | -5.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.44% | 2.55% | +2.89% |
Volatility
TSNIX vs. VOO - Volatility Comparison
T. Rowe Price Science & Technology Fund I Class (TSNIX) has a higher volatility of 10.11% compared to Vanguard S&P 500 ETF (VOO) at 5.34%. This indicates that TSNIX's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TSNIX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.11% | 5.34% | +4.77% |
Volatility (6M)Calculated over the trailing 6-month period | 17.98% | 9.47% | +8.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.65% | 18.11% | +9.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 27.44% | 16.82% | +10.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.58% | 17.99% | +6.59% |