3 institutions reported holding $1.9M of PROSHARES TR (TSLI) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($1.5M), GOLDMAN SACHS GROUP INC ($398,289), UBS Group AG ($25,119). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $1.5M | 55,104 | Added |
| 2 | GOLDMAN SACHS GROUP INC | $398,289 | 15,000 | Trimmed |
| 3 | UBS Group AG | $25,119 | 946 | Added |
Source: SEC Form 13F filings · as of 2026-06-30