Who owns Roundhill Investments - Meme Stock ETF?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MEME from SEC Form 13F filings across 14 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, 14 institutions disclosed 1.1M shares of Roundhill Investments - Meme Stock ETF worth $10.9M — about 1554% of shares outstanding; the largest disclosed holder is Heck Capital Advisors, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
14
13F holders
$10.9M
value, 2026 filers
1554%
of shares outstanding (1.1M sh)
8
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 MEME's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Heck Capital Advisors, LLC | 739,129 | $7.1M | 0.4% | 1014.5% | +0.9% |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 113,800 | $1.1M | 0.0% | 156.2% | +311.8% |
| 3 | GOLDMAN SACHS GROUP INC | 73,516 | $707,959 | 0.0% | 100.9% | +11.2% |
| 4 | JANE STREET GROUP, LLC | 65,567 | $631,410 | 0.0% | 90% | +115.1% |
| 5 | D. E. Shaw & Co., Inc.NEW | 59,435 | $572,359 | 0.0% | 81.6% | new |
| 6 | GTS SECURITIES LLCNEW | 46,182 | $444,733 | 0.0% | 63.4% | new |
| 7 | PFG Investments, LLCNEW | 14,750 | $142,043 | 0.0% | 20.2% | new |
| 8 | CITADEL ADVISORS LLCNEW | 12,069 | $116,224 | 0.0% | 16.6% | new |
| 9 | SIMPLEX TRADING, LLC | 2,320 | $22,341 | 0.0% | 3.2% | -57.7% |
| 10 | Arax Advisory PartnersNEW | 1,748 | $16,834 | 0.0% | 2.4% | new |
| 11 | UBS Group AGNEW | 1,736 | $16,718 | 0.0% | 2.4% | new |
| 12 | GROUP ONE TRADING LLC | 1,717 | $16,535 | 0.0% | 2.4% | +1117.7% |
| 13 | MERCER GLOBAL ADVISORS INC /ADVNEW | 200 | $1,926 | 0.0% | 0.3% | new |
| 14 | NATIONAL BANK OF CANADA /FI/NEW | 8 | $77 | 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.