COSW Performance — Roundhill COST WeeklyPay ETF
Data updated: 2026-08-26
In the 12 months to Jun 2026 the fund took in a net $12.6M, and assets reached $11.67M.
COSW Growth of $100
What $100 invested in Roundhill COST WeeklyPay ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Consumer Staples Equity category average over the same months.
| Period | COSW | Category average |
|---|---|---|
| Since data start (Oct 2025 – Jun 2026) | $96 | $106 |
COSW Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +8.12% |
COSW Annual Returns
Calendar-year total returns of Roundhill COST WeeklyPay ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +8.12% |
| 2025 (Oct–Dec) | −10.80% |
COSW Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +10.6% | +8.7% | −2.1% | +1.8% | −7.1% | −2.9% | — | — | — | — | — | — |
| 2025 | — | — | — | — | — | — | — | — | — | −4.1% | 0.0% | −7.0% |
COSW Risk
Risk measures from monthly returns over Oct 2025 – Jun 2026.
- Best month: +10.63% (Jan 2026)
- Worst month: −7.10% (May 2026)
COSW Fund Flows
Monthly money in and out of Roundhill COST WeeklyPay ETF, from SEC Form N-PORT.
- 12-month net flow: $12.6M
- 12-month gross sales (incl. reinvestments): $29.9M
- Sales ÷ redemptions: 1.73×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $0 | $0 | $0 |
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $0 | $452K | −$452K |
| Mar 2026 | $914K | $1.4M | −$471K |
| Feb 2026 | $0 | $4.8M | −$4.8M |
| Jan 2026 | $0 | $9.3M | −$9.3M |
| Dec 2025 | $2.2M | $1.3M | $876K |
| Nov 2025 | $25.3M | $0 | $25.3M |
| Oct 2025 | $1.5M | $0 | $1.5M |
COSW Assets Under Management
Net assets of Roundhill COST WeeklyPay ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $11.67M |
| 2026-03-31 | $13.94M |
| 2025-12-31 | $25.94M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.