Who owns GraniteShares YieldBOOST COIN ETF?
Institutional ownership of COYY from SEC Form 13F filings across 7 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.
7
13F holders
$1.2M
value, 2026 filers
4.3%
of shares outstanding (68,675 sh)
7
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 COYY's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLPNEW | 38,824 | $697,667 | 0.0% | 2.4% | new |
| 2 | JANE STREET GROUP, LLCNEW | 18,447 | $331,493 | 0.0% | 1.1% | new |
| 3 | Ground Swell Capital, LLCNEW | 10,639 | $191,183 | 0.2% | 0.7% | new |
| 4 | Belvedere Trading LLCNEW | 656 | $11,788 | 0.0% | 0% | new |
| 5 | MERCER GLOBAL ADVISORS INC /ADVNEW | 100 | $1,797 | 0.0% | 0% | new |
| 6 | Tower Research Capital LLC (TRC)NEW | 8 | $144 | 0.0% | 0% | new |
| 7 | FMR LLCNEW | 1 | $12 | 0.0% | 0% | new |
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.