RONB — Baron First Principles ETF
Data updated: 2026-08-28
RONB — Baron First Principles ETF. United States Multi-Cap / All-Cap Growth Equity · $491.82M AUM. Holdings, fees, performance and SEC filings.
RONB Fund Overview
RONB — Baron First Principles ETF is a US ETF managed by Baron ETF Trust, categorised as United States Multi-Cap / All-Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: Baron ETF Trust
- Category: United States Multi-Cap / All-Cap Growth Equity
- Assets under management: $491.82M
- Ticker: RONB
- SEC CIK: 0002081199
- SEC series ID: S000096481
- Share class ID: C000265316
RONB Holdings
Top 10 holdings of Baron First Principles ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Space Exploration Technologies Corp | 32.06% |
| Tesla Inc | 12.39% |
| MSCI Inc | 4.48% |
| Hyatt Hotels Corp | 4.47% |
| Charles Schwab Corp/The | 3.75% |
| Interactive Brokers Group Inc | 3.52% |
| Shopify Inc | 3.29% |
| Red Rock Resorts Inc | 3.03% |
| Verisk Analytics Inc | 2.91% |
| Spotify Technology SA | 2.69% |
RONB Portfolio Allocation
Asset-class allocation of Baron First Principles ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
RONB Performance
Total returns for RONB (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -2.1% |
RONB Costs and Fees
RONB costs about $100 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.00%
- Gross expense ratio: 1.00%
- Portfolio turnover: 18%
- Brokerage commissions: 0.12 bps of average net assets (SEC N-CEN)
RONB Cashflows
Over the 12 months to 2026-06, Baron First Principles ETF had net inflows of $352.85M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$1.18B |
| 2026-05 | $1.12B |
| 2026-04 | $106.28M |
| 2026-03 | $100.14M |
| 2026-02 | $61.30M |
| 2026-01 | $75.30M |
RONB Debt Constituents
No individual debt constituents are reported in Baron First Principles ETF's latest SEC N-PORT filing.
RONB Prospectus and SEC Filings
Official Baron First Principles ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-03-04
- Prospectus supplement (497) — filed 2026-01-16
- Prospectus supplement (497) — filed 2025-12-05
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-22
- Portfolio holdings (N-PORT) — filed 2026-03-02
- Annual census (N-CEN) — filed 2026-03-13
Related Funds
Other United States Multi-Cap / All-Cap Growth Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.