MAX S&P 500 4X LEVERAGED ETN (SPYU) Institutional Ownership Changes & 13F Activity
MAX S&P 500 4X LEVERAGED ETN (SPYU). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Susquehanna International Group, Llp, Millington Financial Advisors, Llc, Jane Street Group, Llc, Citadel Advisors Llc, and Imc-Chicago, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Susquehanna International Group, Llp | Buy | +61,070 | +293.2% | 81,899 | $1.71M | Q1 2026 | May 15, 2026 |
| Citadel Advisors Llc | Buy | +14,724 | +190.4% | 22,456 | $467.98K | Q1 2026 | May 15, 2026 |
| Two Sigma Securities, Llc | Buy | +11,514 | — | 11,514 | $239.95K | Q1 2026 | May 15, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +10,216 | +250.1% | 14,301 | $298.03K | Q1 2026 | May 15, 2026 |
| Jane Street Group, Llc | Buy | +48,558 | — | 48,558 | $1.01M | Q1 2026 | May 12, 2026 |
| Millington Financial Advisors, Llc | Buy | +50,942 | +103.4% | 100,201 | $2.97M | Q1 2026 | May 08, 2026 |
| Hollencrest Capital Management | Buy | +203 | +91.0% | 426 | $8.88K | Q1 2026 | May 07, 2026 |
| Imc-Chicago, Llc | Buy | +13,010 | — | 13,010 | $271.13K | Q1 2026 | May 05, 2026 |
| Ubs Group Ag | Buy | +803 | +202.8% | 1,199 | $24.99K | Q1 2026 | May 05, 2026 |
| Fifth Third Bancorp | Buy | +449 | +100.0% | 898 | $18.71K | Q1 2026 | May 01, 2026 |
| Summit Securities Group Llc | Buy | +2,000 | — | 2,000 | $41.68K | Q1 2026 | Apr 30, 2026 |
| Toth Financial Advisory Corp | Buy | +80 | +100.0% | 160 | $3.33K | Q1 2026 | Apr 16, 2026 |
| Signaturefd, Llc | Buy | +2,500 | — | 2,500 | $52.10K | Q1 2026 | Apr 07, 2026 |
| Osaic Holdings, Inc. | Sell | -106 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Royal Bank Of Canada | Sell | -20 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
| Goldman Sachs Group Inc | Sell | -7,566 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 10, 2026 |
| Mainstay Capital Management Llc | Sell | -4,727 | -100.0% | 0 | $0.00 | Q1 2026 | Jan 27, 2026 |
Frequently asked questions about SPYU activity
Which institutional owners are buying SPYU?
Institutional owners buying SPYU 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 SPYU activity?
"Buy" means an investor increased their reported position in SPYU compared to the prior reporting period. This reflects growing exposure to MAX S&P 500 4X LEVERAGED ETN (SPYU) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SPYU increasing?
Institutional interest in SPYU 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.