BlackRock ETF Trust - GMMF
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MRWM Advisors, LLC | History | No change | 424,326 | 42,568 | 17.5% | 17.5% | 1 | 0 | 0.0% | Q2 2026 | Jul 28, 2026 |
| BlackRock, Inc. | History | No change | 250,000 | 25,080 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Cambridge Investment Research Advisors, Inc. | History | Added to | 34,479 | 3,456 | 0.01% | 0.01% | 3 | +7,167 | 26.24% | Q3 2026 | Nov 02, 2026 |
| Hummer Financial Advisory Services Inc | History | No change | 31,000 | 3,109 | 2.03% | 2.05% | 4 | 0 | 0.0% | Q3 2026 | Oct 08, 2026 |
| CITADEL ADVISORS LLC | History | No change | 27,109 | 2,719 | 0.0% | 0.0% | 5 | 0 | 0.0% | Q2 2026 | Sep 02, 2026 |
| Tower Research Capital LLC (TRC) | History | No change | 24,078 | 2,415 | 0.06% | 0.06% | 6 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 9,625 | 965 | 0.0% | 0.0% | 7 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| SAPIENT CAPITAL LLC | History | No change | 7,730 | 775 | 0.01% | 0.01% | 8 | 0 | 0.0% | Q3 2026 | Oct 08, 2026 |
| Granite Bay Wealth Management, LLC | History | No change | 6,314 | 633 | 0.06% | 0.06% | 9 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | No change | 4,998 | 501 | 0.0% | 0.0% | 10 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ROYAL BANK OF CANADA | History | No change | 4,394 | 441 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NORTHCAPE WEALTH MANAGEMENT, LLC | History | Reduced | 3,712 | 372 | 0.1% | 0.11% | 12 | -288 | -7.2% | Q3 2026 | Nov 04, 2026 |
| UPTICK PARTNERS, LLC | History | New | 3,006 | 301 | 0.04% | — | 13 | +3,006 | New | Q3 2026 | Nov 04, 2026 |
| Cetera Investment Advisers | History | No change | 2,870 | 287 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | No change | 1,648 | 165 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | History | Reduced | 331 | 33 | 0.05% | 0.13% | 16 | -3,328 | -90.95% | Q3 2026 | Oct 14, 2026 |
| HARBOUR INVESTMENTS, INC. | History | No change | 199 | 19 | 0.0% | 0.0% | 17 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Cypress Capital, LLC | History | Closed out | 0 | 0 | — | 0.14% | — | -5,163 | -100.0% | Q3 2026 | Oct 20, 2026 |
| SEARLE & CO. | History | Closed out | 0 | 0 | — | 0.07% | — | -3,000 | -100.0% | Q3 2026 | Nov 04, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |