PROSHARES TR SHORT ETHER ETF is a security (CUSIP 74350P592) tracked across SEC portfolio filings. 6 institutional managers reported $1.9M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| JANE STREET GROUP, LLC | NEW YORK, NY | $662K | 13,471 |
| Belvedere Trading LLC | CHICAGO, IL | $517K | 3,921 |
| SYKON CAPITAL LLC | HARRISON, NY | $465K | 9,468 |
| CITADEL ADVISORS LLC | MIAMI, FL | $216K | — |
| BROWN BROTHERS HARRIMAN & CO | New York, NY | $51K | 1,042 |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $26K | 523 |