1 institutions reported holding $2.5M of State Street Sweep (SSFKX) in SEC 13F filings for 2026-03-31. Largest institutional holders: Main Management ETF Advisors, LLC ($2.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Main Management ETF Advisors, LLC | $2.5M | 2.5M | Added |
Source: SEC Form 13F filings · as of 2026-03-31