Who owns Defiance Daily Target 2X Short RKLB ETF?
Institutional ownership of RKLZ from SEC Form 13F filings across 8 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.
8
13F holders
$2.9M
value, 2026 filers
6643%
of shares outstanding (1.4M sh)
5
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 RKLZ's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLCNEW | 306,994 | $773,625 | 0.0% | 1507.3% | new |
| 2 | Jump Financial, LLC | 294,143 | $741,240 | 0.0% | 1444.2% | +114.6% |
| 3 | HRT FINANCIAL LPNEW | 225,251 | $567 | 0.0% | 1106% | new |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLPNEW | 220,113 | $554,685 | 0.0% | 1080.7% | new |
| 5 | StoneX Group Inc. | 129,925 | $398,829 | 0.0% | 637.9% | +1472.9% |
| 6 | TWO SIGMA SECURITIES, LLCNEW | 106,506 | $268,395 | 0.0% | 522.9% | new |
| 7 | CITADEL ADVISORS LLC | 49,679 | $125,191 | 0.0% | 243.9% | +189.7% |
| 8 | Ground Swell Capital, LLCNEW | 20,362 | $51,312 | 0.1% | 100% | 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.