# BLACKROCK ETF TRUST (GMMF)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/GMMF/

- Reporting holders: 2
- Reported value: $3.9M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Hummer Financial Advisory Services Inc](https://holderbook.com/funds/1802279-hummer-financial-advisory-services-inc/) | $3.1M | 31,000 | 2.0% | 6 |
| [SAPIENT CAPITAL LLC](https://holderbook.com/funds/1998653-sapient-capital-llc/) | $775.4K | 7,730 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 2 | $3.9M |
| Q2 2026 | 19 | $90.2M |
| Q1 2026 | 12 | $33.5M |
| Q4 2025 | 10 | $33.9M |
| Q3 2025 | 9 | $33.4M |
| Q2 2025 | 8 | $28.4M |
| Q1 2025 | 6 | $28.7M |