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RONB · NYSE · ETF

Baron First Principles ETF (RONB) Price, Holdings & Fees

$1,104.13+1.35%+$14.75End-of-day price as of Oct 9, 2026

Baron First Principles ETF (RONB) closed at $1,104.13 on Oct 9, 2026, up 1.35% from the previous close of $1,089.38.

Share price, past year

1Y +8.33%

52-week range $1,000.75 – $1,137.66. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$1,104.13
Sep 30, 2026$1,068.32
Aug 31, 2026$1,056.07
Jul 31, 2026$1,041.13
Jun 30, 2026$1,124.17
May 29, 2026$1,091.43
Apr 30, 2026$1,075.70
Mar 31, 2026$1,118.71
Feb 27, 2026$1,092.54
Jan 30, 2026$1,101.80
Dec 31, 2025$1,067.69
Nov 28, 2025$1,010.38
Oct 31, 2025$1,022.14

Key statistics

Expense ratio
1.00%
as of Dec 31, 2025
Net assets
$491.8M
as of Jun 30, 2026
Holdings
24
as of Jun 30, 2026
52-week range
$1,000.75 – $1,137.66

Baron First Principles ETF's expense ratio is 1.00%: $100.00 a year on $10,000 invested.

Holdings

Baron First Principles ETF held 24 investments worth $491.82M as of Jun 30, 2026. Its largest holding was Space Exploration Technologies Corp, at 32.06% of the fund.

Baron First Principles ETF largest holdings by share of net assets
#Holding% of fundValue
1Space Exploration Technologies Corp32.06%$157.68M
2Tesla Inc12.39%$60.93M
3MSCI Inc4.48%$22.01M
4Hyatt Hotels Corp4.47%$21.96M
5Charles Schwab Corp/The3.75%$18.47M
6Interactive Brokers Group Inc3.52%$17.32M
7Shopify Inc3.29%$16.18M
8Red Rock Resorts Inc3.03%$14.92M
9Verisk Analytics Inc2.91%$14.33M
10Spotify Technology SA2.69%$13.25M
11Birkenstock Holding Plc2.49%$12.27M
12FactSet Research Systems Inc2.39%$11.74M
13Choice Hotels International Inc2.31%$11.38M
14Figs Inc2.29%$11.27M
15HEICO Corp2.28%$11.19M
16Vail Resorts Inc2.25%$11.06M
17On Holding AG2.07%$10.19M
18Morningstar Inc1.97%$9.70M
19Arch Capital Group Ltd1.85%$9.09M
20Airbnb Inc1.85%$9.09M
21IDEXX Laboratories Inc1.72%$8.45M
22Live Nation Entertainment Inc1.50%$7.36M
23Guidewire Software Inc1.47%$7.25M
24Kinsale Capital Group Inc0.83%$4.09M

Top 24 of 24 holdings, as of Jun 30, 2026. Percentages are of the fund's net assets.

What the fund owns

Baron First Principles ETF holdings by asset type
Asset type% of fund
Stocks99.87%
Baron First Principles ETF holdings by country, largest 6
Country% of fund
United States87.47%
Canada3.29%
Luxembourg2.69%
Jersey2.49%
Switzerland2.07%
Bermuda1.85%

Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.

Monthly total returns

Over the 3 months to Jun 30, 2026, Baron First Principles ETF's total return was +7.01%, as reported to the SEC.

Baron First Principles ETF monthly total returns
MonthTotal return
Jun 30, 2026+0.34%
May 31, 2026+4.91%
Apr 30, 2026+1.66%

The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.

Fund profile

Name
Baron First Principles ETF
Ticker
RONB
Exchange
NYSE
Fund type
ETF
Trust
Baron ETF Trust
SEC series ID
S000096481
SEC CIK
0002081199
Fractional shares
Yes

Recent SEC filings

Shareholder reports and prospectuses are filed by Baron ETF Trust, the trust behind Baron First Principles ETF, and cover all of its funds.

Frequently asked questions

What is RONB's price?

Baron First Principles ETF (RONB) closed at $1,104.13 on Oct 9, 2026, up 1.35% from the previous close of $1,089.38.

What is RONB's expense ratio?

Baron First Principles ETF's expense ratio is 1.00%: $100.00 a year on $10,000 invested.

What does RONB hold?

Baron First Principles ETF held 24 investments worth $491.82M as of Jun 30, 2026. Its largest holding was Space Exploration Technologies Corp, at 32.06% of the fund. Its five largest holdings were Space Exploration Technologies Corp, Tesla Inc, MSCI Inc, Hyatt Hotels Corp, Charles Schwab Corp/The.

How has RONB performed?

Over the 3 months to Jun 30, 2026, Baron First Principles ETF's total return was +7.01%, as reported to the SEC.

Sources and methodology

Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of Jun 30, 2026 (filed Aug 28, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Dec 31, 2025. Prices are generated sample data for development. Data sources and disclosures