GMMF — BlackRock ETF Trust Institutional Holders · Q3 2026
Who owns BlackRock ETF Trust (GMMF)? 2 institutions reported holding $3.89M in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Hummer Financial Advisory Services Inc ($3.1M), Sapient Capital LLC ($775,403).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Hummer Financial Advisory Services Inc | $3.1M | 31,000 | Hold |
| 2 | SAPIENT CAPITAL LLC | $775,403 | 7,730 | Hold |
Source: SEC Form 13F filings · as of 2026-09-30