Who Owns Roundhill Cannabis ETF (WEED)? -- Institutional Holders (2026-06-30)

3 institutions reported holding $1.9M of Roundhill Cannabis ETF (WEED) in SEC 13F filings for 2026-06-30. Largest institutional holders: Mariner, LLC ($1.0M), NANO CAP NEW MILLENNIUM GROWTH FUND L P ($839,800), JANE STREET GROUP, LLC ($0). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Mariner, LLC$1.0M47,500Hold
2NANO CAP NEW MILLENNIUM GROWTH FUND L P$839,80038,000Hold
3JANE STREET GROUP, LLC$00Exited

Source: SEC Form 13F filings · as of 2026-06-30