TRADR 2X LONG INNOVATION ETF (TARK) Institutional Ownership Changes & 13F Activity
TRADR 2X LONG INNOVATION ETF (TARK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Optiver Holding B.V., Susquehanna International Group, Llp, Hrt Financial Lp, Citadel Advisors Llc, and Simplex Trading, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +4,744 | — | 4,744 | $227.65K | Q2 2026 | Sep 02, 2026 |
| Susquehanna International Group, Llp | Buy | +8,260 | — | 8,260 | $396.38K | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +7,103 | — | 7,103 | $340.00K | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +66 | — | 66 | $3.17K | Q2 2026 | Aug 14, 2026 |
| Ubs Group Ag | Buy | +127 | — | 127 | $6.09K | Q2 2026 | Aug 13, 2026 |
| Optiver Holding B.V. | Buy | +53,112 | +222.3% | 77,002 | $3.70M | Q2 2026 | Aug 12, 2026 |
| Simplex Trading, Llc | Sell | -2,697 | -94.0% | 171 | $8.21K | Q2 2026 | Aug 12, 2026 |
Frequently asked questions about TARK activity
Which institutional owners are buying TARK?
Institutional owners buying TARK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in TARK activity?
"Buy" means an investor increased their reported position in TARK compared to the prior reporting period. This reflects growing exposure to TRADR 2X LONG INNOVATION ETF (TARK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in TARK increasing?
Institutional interest in TARK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.