BPTIX vs. BPTRX

Last updated Jun 24, 2026

BPTIX (Baron Partners Fund Institutional Class) and BPTRX (Baron Partners Fund) are both Large Cap Growth Equities funds. Over the past 10 years, BPTIX returned 25.64%/yr vs 25.15%/yr for BPTRX. With a 1.00 correlation, they move nearly in lockstep. BPTIX charges 1.99%/yr vs 1.36%/yr for BPTRX.

Performance

BPTIX vs. BPTRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Baron Partners Fund Institutional Class (BPTIX) and Baron Partners Fund (BPTRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with BPTIX having a 4.80% return and BPTRX slightly lower at 4.67%. Both investments have delivered pretty close results over the past 10 years, with BPTIX having a 25.64% annualized return and BPTRX not far behind at 25.15%.

BPTIX

• 1D: -6.94%
• 1M: 6.41%
• YTD: 4.80%
• 6M: 1.72%
• 1Y: 37.92%
• 3Y*: 21.63%
• 5Y*: 12.90%
• 10Y*: 25.64%

BPTRX

• 1D: -6.94%
• 1M: 6.39%
• YTD: 4.67%
• 6M: 1.59%
• 1Y: 37.57%
• 3Y*: 21.32%
• 5Y*: 12.61%
• 10Y*: 25.15%

*Multi-year figures are annualized to reflect compound growth (CAGR)

BPTIX vs. BPTRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BPTIX Baron Partners Fund Institutional Class	4.80%	24.86%	33.09%	43.47%	-42.39%	31.69%	149.45%	47.29%	-1.75%	31.91%
BPTRX Baron Partners Fund	4.67%	24.54%	32.75%	43.09%	-42.53%	31.35%	148.81%	44.99%	-2.01%	31.54%

Correlation

The correlation between BPTIX and BPTRX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (10Y) Calculated over the trailing 10-year period	1.00
Correlation (All Time) Calculated using the full available price history since May 29, 2009	1.00

The correlation between BPTIX and BPTRX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

Return for Risk

BPTIX vs. BPTRX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BPTIX

BPTIX Risk / Return Rank: 53
BPTIX Sharpe Ratio Rank: 29
BPTIX Sortino Ratio Rank: 53
BPTIX Omega Ratio Rank: 48
BPTIX Calmar Ratio Rank: 85
BPTIX Martin Ratio Rank: 50

BPTRX

BPTRX Risk / Return Rank: 52
BPTRX Sharpe Ratio Rank: 28
BPTRX Sortino Ratio Rank: 53
BPTRX Omega Ratio Rank: 47
BPTRX Calmar Ratio Rank: 85
BPTRX Martin Ratio Rank: 49

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BPTIX vs. BPTRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Baron Partners Fund Institutional Class (BPTIX) and Baron Partners Fund (BPTRX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	BPTIX	BPTRX	Difference
Sharpe ratio: Return per unit of total volatility	1.44	1.43	+0.01
Sortino ratio: Return per unit of downside risk	2.82	2.80	+0.02
Omega ratio: Gain probability vs. loss probability	1.35	1.34	0.00
Calmar ratio: Return relative to maximum drawdown	3.85	3.81	+0.03
Martin ratio: Return relative to average drawdown	9.73	9.56	+0.17

BPTIX vs. BPTRX - Sharpe Ratio Comparison

The current BPTIX Sharpe Ratio is 1.44, which is comparable to the BPTRX Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of BPTIX and BPTRX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BPTIX vs. BPTRX - Drawdown Comparison

The maximum BPTIX drawdown since its inception was -51.26%, smaller than the maximum BPTRX drawdown of -64.11%. Use the drawdown chart below to compare losses from any high point for BPTIX and BPTRX.

Drawdown Indicators

	BPTIX	BPTRX	Difference
Max Drawdown Largest peak-to-trough decline	-51.26%	-64.11%	+12.85%
Max Drawdown (1Y) Largest decline over 1 year	-11.15%	-11.15%	0.00%
Max Drawdown (3Y) Largest decline over 3 years	-33.29%	-33.34%	+0.05%
Max Drawdown (5Y) Largest decline over 5 years	-49.72%	-49.87%	+0.15%
Max Drawdown (10Y) Largest decline over 10 years	-51.26%	-51.26%	0.00%
Current Drawdown Current decline from peak	-11.15%	-11.15%	0.00%
Average Drawdown Average peak-to-trough decline	-10.77%	-13.77%	+3.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.40%	4.44%	-0.04%

Volatility

BPTIX vs. BPTRX - Volatility Comparison

Baron Partners Fund Institutional Class (BPTIX) and Baron Partners Fund (BPTRX) have volatilities of 13.63% and 13.63%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BPTIX	BPTRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.63%	13.63%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	17.53%	17.53%	0.00%
Volatility (1Y) Calculated over the trailing 1-year period	29.86%	29.86%	0.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.10%	34.10%	0.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.95%	32.94%	+0.01%

BPTIX vs. BPTRX - Expense Ratio Comparison

BPTIX has a 1.99% expense ratio, which is higher than BPTRX's 1.36% expense ratio.

Dividends

BPTIX vs. BPTRX - Dividend Comparison

BPTIX's dividend yield for the trailing twelve months is around 3.06%, less than BPTRX's 3.21% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BPTIX Baron Partners Fund Institutional Class	3.06%	3.21%	0.73%	0.00%	3.07%	7.46%	3.57%	1.27%	0.00%	0.00%	0.00%	0.62%
BPTRX Baron Partners Fund	3.21%	3.36%	0.76%	0.00%	3.19%	7.72%	3.67%	0.26%	0.00%	0.00%	0.00%	0.35%

Frequently Asked Questions

Can I hold both BPTIX and BPTRX in my portfolio?

With a correlation of 1.00, BPTIX and BPTRX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, BPTIX or BPTRX?

BPTRX has higher volatility (13.63%) compared to BPTIX (13.63%). In terms of maximum drawdown, BPTIX dropped -51.26% vs BPTRX's -64.11%.

Which has better risk-adjusted returns?

BPTIX currently has the higher Sharpe Ratio (1.44 vs 1.43), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.