OARK — YieldMax Innovation Option Income Strategy ETF
Data updated: 2026-06-25
OARK — YieldMax Innovation Option Income Strategy ETF. United States Value Thematic Equity · $51.46M AUM. Holdings, fees, performance and SEC filings.
OARK Fund Overview
OARK — YieldMax Innovation Option Income Strategy ETF is a US ETF managed by Tidal Trust II, categorised as United States Value Thematic Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: Tidal Trust II
- Category: United States Value Thematic Equity
- Assets under management: $51.46M
- 1-year return: 42.0%
- Ticker: OARK
- SEC CIK: 0001924868
- SEC series ID: S000077664
- Share class ID: C000238152
OARK Holdings
Top 6 holdings of YieldMax Innovation Option Income Strategy ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Treasury Bill | 33.98% |
| Treasury Bill | 27.24% |
| Treasury Bill | 16.67% |
| Treasury Bill | 9.71% |
| First American Government Obli | 3.16% |
| Treasury Bill | 2.26% |
OARK Portfolio Allocation
Asset-class allocation of YieldMax Innovation Option Income Strategy ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 89.9% |
| Derivatives | 7.1% |
| Cash & Equivalents | 3.2% |
OARK Performance
Total returns for OARK (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.6% |
| 1 year | 42.0% |
| 3 years (annualised) | 18.5% |
OARK Risk Information
Risk metrics for OARK, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 26.9%
OARK Costs and Fees
OARK costs about $100 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.00%
- Gross expense ratio: 1.00%
- Portfolio turnover: 115%
- Brokerage commissions: 120.95 bps of average net assets (SEC N-CEN)
OARK Cashflows
Over the 12 months to 2026-04, YieldMax Innovation Option Income Strategy ETF had net inflows of $4.09M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$3.17M |
| 2026-03 | $7.88M |
| 2026-02 | −$6.55M |
| 2026-01 | −$5.53M |
| 2025-12 | −$3.80M |
| 2025-11 | −$6.04M |
OARK Debt Constituents
Largest debt holdings of YieldMax Innovation Option Income Strategy ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Treasury Bill | 33.98% |
| Treasury Bill | 27.24% |
| Treasury Bill | 16.67% |
| Treasury Bill | 9.71% |
| Treasury Bill | 2.26% |
OARK Prospectus and SEC Filings
Official YieldMax Innovation Option Income Strategy ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-02-24
- Prospectus (485BPOS) — filed 2025-02-26
- Prospectus (485BPOS) — filed 2024-02-28
- Portfolio holdings (N-PORT) — filed 2026-06-25
- Portfolio holdings (N-PORT) — filed 2026-03-31
- Portfolio holdings (N-PORT) — filed 2025-12-30
- Annual census (N-CEN) — filed 2026-01-13
- Annual census (N-CEN) — filed 2025-01-14
Related Funds
Other United States Value Thematic 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.