S000096481 [Member] Investment Risks - Baron First Principles ETF |
Dec. 31, 2025 |
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| Industry Concentration [Member] | |||||||||||||
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| Risk [Text Block] | Industry Concentration. Market fluctuations in the value of the Fund’s investments, combined with the Fund’s non‑diversified portfolio, may result in the Fund being concentrated in the securities of a single issuer or a small number of issuers, including in a particular industry. As a result, the Fund will be particularly exposed to the risks of that company or industry relative to the risk exposure of investment companies holding a diversified portfolio of securities or those that seek to maintain near‑index weightings in their portfolio securities. Accordingly, in those cases, the Fund will be disproportionately exposed to the market conditions, interest rates, and economic, regulatory, or financial developments that significantly affect that company or industry.
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| Leverage [Member] | |||||||||||||
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| Risk [Text Block] | Leverage. The Fund borrows money from banks to buy securities and pledge its assets in connection with the borrowing. If the interest expense of the borrowing is greater than the return on the securities bought, the use of leverage will decrease the return to shareholders in the Fund. Use of leverage also tends to magnify the volatility of the Fund’s returns. The greater the use of leverage by the Fund, the greater the risk of the volatility of the Fund’s returns.
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| Growth Investing [Member] | |||||||||||||
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| Risk [Text Block] | Growth Investing. Growth stocks can react differently to issuer, political, market and economic developments than the market as a whole and other types of stocks. Growth stocks tend to be more expensive relative to their earnings or assets compared to other types of stocks. As a result, because growth stocks tend to be sensitive to changes in their earnings and to increasing interest rates and inflation, they tend to be more volatile than other types of stocks. In response, from time to time, growth investing as an investment style may go out of favor with investors.
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| General Stock Market [Member] | |||||||||||||
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| Risk [Text Block] | General Stock Market. Fund losses may be incurred due to declines in one or more markets in which Fund investments are made. These declines may be the result of, among other things, political, regulatory, market, economic or social developments affecting the relevant market(s). In addition, turbulence has recently been experienced, caused, among other reasons, by increased inflation, tightening monetary policy and interest rate increases by the US Federal Reserve or similar international bodies, and reduced liquidity in financial markets may continue to negatively affect many issuers, which could have an adverse effect on your Fund investment. Events involving limited liquidity, defaults, non‑performance or other adverse developments that affect one industry, such as the financial services industry, or concerns or rumors about any events of these kinds, have in the past and may in the future lead to market‑ wide liquidity problems, may spread to other industries, and could negatively affect the value and liquidity of the Fund’s investments. Global economies and financial markets are increasingly interconnected, and conditions and events in one country, region or financial market, such as Russia’s invasion of Ukraine in February 2022 and the world‑wide response to it, have and may continue to adversely impact issuers and markets worldwide. Increasingly strained relations between countries, including between the U.S. and traditional allies and/or adversaries, could adversely affect U.S. issuers as well as non‑U.S. issuers that rely on the United States for trade. A fund’s securities may be negatively impacted by inflation (or expectations for inflation), interest rates, global demand for particular products/services or resources, supply chain disruptions, natural disasters, pandemics, epidemics, terrorism, war, military confrontations, changes in trade regulations, elevated levels of government debt, internal unrest and discord, economic sanctions, regulatory events and governmental or quasi‑ governmental actions, among others. The active and expanding conflict in the Middle East between Israel and Hamas presents considerable market risks. Raising the ceiling on U.S. government debt has become increasingly politicized. Any failure to increase the total amount that the U.S. government is authorized to borrow could lead to a default on U.S. government obligations, with unpredictable consequences for economies and markets in the U.S. and elsewhere.
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| Small and Mid Sized Companies [Member] | |||||||||||||
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| Risk [Text Block] | Small‑ and Mid‑Sized Companies. The Adviser believes there is more potential for capital appreciation in small‑ and mid‑sized companies, but there also may be more risk. Securities of small‑ and mid‑sized companies may not be well known to most investors, and the securities may be less actively traded than those of large businesses. The securities of small‑ and mid‑ sized companies may fluctuate in price more widely than the stock market generally, and they may be more difficult to sell during market downturns. Small‑ and mid‑sized companies rely more on the skills of management and on their continued tenure. Investing in small‑ and mid‑ sized companies requires a long‑term outlook and may require shareholders to assume more risk and to have more patience than investing in the securities of larger, more established companies.
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| ETF Structure Risks [Member] | |||||||||||||
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| Risk [Text Block] | ETF Structure Risks.
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| Limited Operating History Risk [Member] | |||||||||||||
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| Risk [Text Block] | Limited Operating History Risk. The Fund has a limited operating history. As a result, prospective investors would not have a track record or history on which to base their investment decisions. In addition, until the Fund achieves a certain size, the performance of certain of its investments may disproportionately impact the performance of the Fund, which may be subject to heightened volatility. In addition, there can be no assurance that the Fund will grow to or maintain an economically viable size.
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| Large Shareholder Risk [Member] | |||||||||||||
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| Risk [Text Block] | Large Shareholder Risk. Certain shareholders, including other funds advised by the Adviser, may from time to time own a substantial amount of the Fund’s Shares. In addition, a third party investor, the Adviser or an affiliate of the Adviser, an authorized participant, a lead market maker, or another entity (i.e., a seed investor) may invest in the Fund and hold its investment solely to facilitate commencement of the Fund or to facilitate the Fund’s achieving a specified size or scale. Any such investment may be held for a limited period of time. There can be no assurance that any large shareholder would not redeem its investment, that the size of the Fund would be maintained at such levels or that the Fund would continue to meet applicable listing requirements. Redemptions by large shareholders could have a significant negative impact on the Fund, including on the Fund’s liquidity. In addition, transactions by large shareholders may account for a large percentage of the trading volume on the New York Stock Exchange (“NYSE”) and may, therefore, have a material upward or downward effect on the market price of the Shares.
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| Risks of Emphasizing a Sector or Industry [Member] | |||||||||||||
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| Risk [Text Block] | Risks of Emphasizing a Sector or Industry. If the Fund has invested a higher percentage of its total assets in a particular sector or industry, changes affecting that sector or industry may have a significant impact on the performance of the Fund’s overall portfolio. The economies and financial markets of certain regions ‑ such as Latin America, Asia, and Europe and the Mediterranean region ‑ can be interdependent and may all decline at the same time.
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| Single Issuer [Member] | |||||||||||||
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| Risk [Text Block] | Single Issuer. Single issuer risk is the possibility that factors specific to an issuer to which the Fund is exposed will affect the market prices of the issuer’s securities and therefore the net asset value (“NAV”) of the Fund.
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| Risk Lose Money [Member] | |||||||||||||
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| Risk [Text Block] | Fund losses may be incurred due to declines in one or more markets in which Fund investments are made. | ||||||||||||
| Risk Nondiversified Status [Member] | |||||||||||||
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| Risk [Text Block] | Non‑Diversified Portfolio. The Fund is non‑diversified, which means it will likely have a greater percentage of its assets in a single issuer than a diversified fund. As a result, a non‑diversified fund will likely invest a greater percentage of its assets in fewer issuers, and the performance of those issuers may have a greater effect on the Fund’s performance compared to a diversified fund. Thus, a non‑diversified fund is more likely to experience significant fluctuations in value, exposing the Fund to a greater risk of loss in any given period than a diversified fund.
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