13F Insight
DOSSIER · 13F Holders · Q2 2026
GMMF

BLACKROCK ETF TRUST

19 institutions still hold BLACKROCK ETF TRUST as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09290C749·19 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$83M
visible holders
Holders
19
filers reporting
Concentration
51.45%
MRWM Advisors, LLC #1
top holder share
AI Holders Summary · Q2 2026

19 institutions reported GMMF in Q2 2026. MRWM Advisors, LLC leads at 51.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MRWM Advisors, LLC
CIK 0001732949
$43M424K17.50%Q2 202602
BlackRock, Inc.
CIK 0002012383
$25M250K0.00%Q2 202603
Hummer Financial Advisory Services Inc
CIK 0001802279
$3M31K2.05%Q2 202604
CITADEL ADVISORS LLC
CIK 0001423053
$3M27K0.00%Q2 202605
Tower Research Capital LLC (TRC)
CIK 0001533421
$2M24K0.06%Q2 202606
Cambridge Investment Research Advisors, Inc.
CIK 0001419186
$2M16K0.00%Q1 202607
GOLDMAN SACHS GROUP INC
CIK 0000886982
$966K10K0.00%Q2 202608
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$919K9K0.00%Q1 202609
SAPIENT CAPITAL LLC
CIK 0001998653
$775K8K0.01%Q2 202610
Cypress Capital, LLC
CIK 0001729939
$518K5K0.14%Q2 202611
ROYAL BANK OF CANADA
CIK 0001000275
$441K4K0.00%Q2 202612
NORTHCAPE WEALTH MANAGEMENT, LLC
CIK 0001902806
$401K4K0.11%Q2 202613
Granite Bay Wealth Management, LLC
CIK 0001911472
$398K4K0.08%Q1 202614
SEARLE & CO.
CIK 0000710127
$301K3K0.07%Q2 202615
Cetera Investment Advisers
CIK 0001666741
$288K3K0.00%Q2 202616
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$165K2K0.00%Q2 202617
HARBOUR INVESTMENTS, INC.
CIK 0000810121
$20K1990.00%Q2 202618
WELLS FARGO & COMPANY/MN
CIK 0000072971
$6010.00%Q2 202619
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025