Who owns Roundhill Investments - Cannabis ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of WEED from SEC Form 13F filings across 2 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, 2 institutions disclosed 85,500 shares of Roundhill Investments - Cannabis ETF worth $1.9M — about 17.6% of shares outstanding; the largest disclosed holder is Mariner, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
2
13F holders
$1.9M
value, 2026 filers
17.6%
of shares outstanding (85,500 sh)
0
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 WEED's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Mariner, LLC | 47,500 | $1.0M | 0.0% | 9.8% | 0.0% |
| 2 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | 38,000 | $839,800 | 0.6% | 7.8% | 0.0% |
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.