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COSW · BATS · ETF

Roundhill COST WeeklyPay ETF (COSW) Price, Holdings & Fees

$454.45+0.77%+$3.46End-of-day price as of Oct 9, 2026

Roundhill COST WeeklyPay ETF (COSW) closed at $454.45 on Oct 9, 2026, up 0.77% from the previous close of $450.99.

Share price, past year

1Y +32.67%

52-week range $341.36 – $473.75. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$454.45
Sep 30, 2026$448.41
Aug 31, 2026$436.36
Jul 31, 2026$457.61
Jun 30, 2026$473.31
May 29, 2026$432.28
Apr 30, 2026$446.05
Mar 31, 2026$410.28
Feb 27, 2026$386.40
Jan 30, 2026$373.21
Dec 31, 2025$379.43
Nov 28, 2025$346.29
Oct 31, 2025$349.64

Key statistics

Expense ratio
0.99%
as of Apr 30, 2026
Net assets
$11.7M
as of Jun 30, 2026
Holdings
4
as of Jun 30, 2026
52-week range
$341.36 – $473.75

Roundhill COST WeeklyPay ETF's expense ratio is 0.99%: $99.00 a year on $10,000 invested.

Holdings

Roundhill COST WeeklyPay ETF held 4 investments worth $11.67M as of Jun 30, 2026. Its largest holding was TREASURY BILL, at 77.04% of the fund.

Roundhill COST WeeklyPay ETF largest holdings by share of net assets
#Holding% of fundValue
1TREASURY BILL77.04%$8.99M
2First American Government Obli12.11%$1.41M
3Costco Wholesale CorpCOST8.50%$991.60K
4N/A2.40%$279.95K

Top 4 of 4 holdings, as of Jun 30, 2026. Percentages are of the fund's net assets.

What the fund owns

Roundhill COST WeeklyPay ETF holdings by asset type
Asset type% of fund
Bonds and other debt77.04%
Cash and short-term investments12.11%
Stocks8.50%
Derivatives2.40%
Roundhill COST WeeklyPay ETF holdings by country, largest 1
Country% of fund
United States100.05%

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, Roundhill COST WeeklyPay ETF's total return was −8.16%, as reported to the SEC.

Roundhill COST WeeklyPay ETF monthly total returns
MonthTotal return
Jun 30, 2026−2.94%
May 31, 2026−7.10%
Apr 30, 2026+1.85%

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

Fund profile

Name
Roundhill COST WeeklyPay ETF
Ticker
COSW
Exchange
BATS
Fund type
ETF
Trust
Roundhill ETF Trust
SEC series ID
S000092337
SEC CIK
0001976517
Fractional shares
No

Recent SEC filings

Shareholder reports and prospectuses are filed by Roundhill ETF Trust, the trust behind Roundhill COST WeeklyPay ETF, and cover all of its funds.

Frequently asked questions

What is COSW's price?

Roundhill COST WeeklyPay ETF (COSW) closed at $454.45 on Oct 9, 2026, up 0.77% from the previous close of $450.99.

What is COSW's expense ratio?

Roundhill COST WeeklyPay ETF's expense ratio is 0.99%: $99.00 a year on $10,000 invested.

What does COSW hold?

Roundhill COST WeeklyPay ETF held 4 investments worth $11.67M as of Jun 30, 2026. Its largest holding was TREASURY BILL, at 77.04% of the fund. Its five largest holdings were TREASURY BILL, First American Government Obli, Costco Wholesale Corp, N/A.

How has COSW performed?

Over the 3 months to Jun 30, 2026, Roundhill COST WeeklyPay ETF's total return was −8.16%, 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 26, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Apr 30, 2026. Prices are generated sample data for development. Data sources and disclosures