9 institutions reported holding $3.0M of PROSHARES TR (OND) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($931,238), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($830,019), JANE STREET GROUP, LLC ($793,864), FLOW TRADERS U.S. LLC ($295,000), IFP Advisors, Inc ($90,136). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $931,238 | 27,895 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $830,019 | 24,863 | Added |
| 3 | JANE STREET GROUP, LLC | $793,864 | 23,780 | Added |
| 4 | FLOW TRADERS U.S. LLC | $295,000 | 8,839 | New |
| 5 | IFP Advisors, Inc | $90,136 | 2,700 | Added |
| 6 | UBS Group AG | $45,802 | 1,372 | Added |
| 7 | Archer Investment Corp | $5,074 | 152 | Hold |
| 8 | Sowell Financial Services LLC | $0 | 0 | Exited |
| 9 | Belvedere Trading LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31