17 institutions reported holding $12.8M of ROUNDHILL ETF TRUST (MEME) in SEC 13F filings for 2026-06-30. Largest institutional holders: Heck Capital Advisors, LLC ($7.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.6M), JANE STREET GROUP, LLC ($777,786), GOLDMAN SACHS GROUP INC ($707,959), CITADEL ADVISORS LLC ($694,024). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Heck Capital Advisors, LLC | $7.1M | 739,129 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.6M | 163,000 | Added |
| 3 | JANE STREET GROUP, LLC | $777,786 | 80,767 | Added |
| 4 | GOLDMAN SACHS GROUP INC | $707,959 | 73,516 | Added |
| 5 | CITADEL ADVISORS LLC | $694,024 | 72,069 | Added |
| 6 | D. E. Shaw & Co., Inc. | $572,359 | 59,435 | New |
| 7 | GTS SECURITIES LLC | $444,733 | 46,182 | New |
| 8 | Belvedere Trading LLC | $385,200 | 40,000 | New |
| 9 | Crawford Fund Management, LLC | $317,790 | 33,000 | New |
| 10 | PFG Investments, LLC | $142,043 | 14,750 | New |
| 11 | SIMPLEX TRADING, LLC | $22,341 | 2,320 | Trimmed |
| 12 | Arax Advisory Partners | $16,834 | 1,748 | New |
| 13 | UBS Group AG | $16,718 | 1,736 | New |
| 14 | GROUP ONE TRADING LLC | $16,535 | 1,717 | Added |
| 15 | NATIONAL BANK OF CANADA /FI/ | $77 | 8 | New |
| 16 | New England Capital Financial Advisors LLC | $0 | 0 | Exited |
| 17 | Advisory Services Network, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30