HolderBook

BLACKROCK ETF TRUST (GMMF)

Institutional ownership reported to the SEC as of Q2 2026, across 6 quarters.

17
Reporting holders
$81.4M
Reported value
0.0%
Held as options
+7
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
MRWM Advisors, LLC$42.6M424,32617.50%newNEW
BlackRock, Inc.$25.1M250,0000.00%6qHELD
Hummer Financial Advisory Services Inc$3.1M31,0002.05%5q-3.1%-$100.3K
CITADEL ADVISORS LLC$2.7M27,1090.00%6q+345.3%+$2.1M
Tower Research Capital LLC (TRC)$2.4M24,0780.06%newNEW
SAPIENT CAPITAL LLC$1.6M15,4600.01%newNEW
GOLDMAN SACHS GROUP INC$965.6K9,6250.00%newNEW
Cypress Capital, LLC$518.0K5,1630.14%newNEW
JANE STREET GROUP, LLC$501.4K4,9980.00%6q-45.3%-$415.9K
ROYAL BANK OF CANADA$441.0K4,3940.00%5q+39845.5%+$439.9K
NORTHCAPE WEALTH MANAGEMENT, LLC$401.3K4,0000.11%3q-7.0%-$30.1K
THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.$367.1K3,6590.13%4q-47.3%-$329.9K
SEARLE & CO.$301.0K3,0000.07%6qHELD
Cetera Investment Advisers$288.0K2,8700.00%newNEW
NATIONAL BANK OF CANADA /FI/$165.3K1,6480.00%newNEW
HARBOUR INVESTMENTS, INC.$20.0K1990.00%newNEW
Cambridge Investment Research Advisors, Inc.$5.5K54,6240.01%2q+232.9%+$3.8K
Granite Bay Wealth Management, LLC$6336,3140.06%2q+59.7%
WELLS FARGO & COMPANY/MN$6010.00%4q-50.0%

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 202617$81.4M811,5308250.0%
Q1 202610$31.7M315,4471230.0%
Q4 202510$33.9M337,7651240.0%
Q3 20259$33.4M332,0582320.0%
Q2 20257$28.2M280,6243020.0%
Q1 20255$28.5M284,0195000.0%