Who owns YieldMax MARA Option Income Strategy ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MARO from SEC Form 13F filings across 11 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 11 institutions disclosed 3.8M shares of YieldMax MARA Option Income Strategy ETF worth $23.4M — about 49.9% of shares outstanding; the largest disclosed holder is Tidal Investments LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
11
13F holders
$23.4M
value, 2026 filers
49.9%
of shares outstanding (3.8M sh)
6
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MARO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Tidal Investments LLC | 3.7M | $22.7M | 0.0% | 48.2% | +12.1% |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 65,815 | $402,788 | 0.0% | 0.9% | +49.9% |
| 3 | CITADEL ADVISORS LLCNEW | 22,175 | $135,711 | 0.0% | 0.3% | new |
| 4 | HRT FINANCIAL LPNEW | 12,242 | $74 | 0.0% | 0.2% | new |
| 5 | JANE STREET GROUP, LLCNEW | 11,497 | $70,362 | 0.0% | 0.1% | new |
| 6 | Benchmark Financial, LLC | 10,000 | $61,200 | 0.0% | 0.1% | 0.0% |
| 7 | WINEBRENNER CAPITAL MANAGEMENT LLC | 10,000 | $61,200 | 0.0% | 0.1% | 0.0% |
| 8 | Ancora Advisors LLCNEW | 3,000 | $18,360 | 0.0% | 0% | new |
| 9 | SIMPLEX TRADING, LLCNEW | 60 | $367 | 0.0% | 0% | new |
| 10 | FMR LLCNEW | 11 | $67 | 0.0% | 0% | new |
| 11 | WELLS FARGO & COMPANY/MN | 0 | $2 | 0.0% | 0% | -100.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.