7 institutions reported holding $1.3M of GRANITESHARES ETF TR (TSL) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($578,270), HRT FINANCIAL LP ($304,000), Optiver Holding B.V. ($229,354), TWO SIGMA SECURITIES, LLC ($149,529), Tower Research Capital LLC (TRC) ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $578,270 | 39,771 | Added |
| 2 | HRT FINANCIAL LP | $304,000 | 20,962 | New |
| 3 | Optiver Holding B.V. | $229,354 | 15,774 | Added |
| 4 | TWO SIGMA SECURITIES, LLC | $149,529 | 10,284 | New |
| 5 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 6 | HOLLENCREST CAPITAL MANAGEMENT | $0 | 0 | Exited |
| 7 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31