Which funds hold GMMF?

As of 2026-Q2, 4 institutional funds reported holding GMMF (BLACKROCK ETF TRUST) in SEC 13F filings, with a combined reported value of $28.77M.

How many shares of GMMF do institutions own?

13F filers reported 286.74K shares of GMMF, worth $28.77M in aggregate at the end of 2026-Q2.

Is institutional ownership of GMMF rising or falling?

Share counts moved +12.0% versus the prior quarter — accumulation.

Where does this data come from?

All figures are computed from SEC Form 13F quarterly filings, which institutional investment managers must file within 45 days of quarter end for long positions of $100,000 or more.

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GMMF — BLACKROCK ETF TRUST

Reported value held$28.78M

Funds holding (latest)5

Sector—

Funds holding (Q2 2026)4

Institutional value$28.77M · 286.74K sh

New / Add / Cut / Exit1 / 1 / 0 / 0

Top-5 / Top-10 concentration100.0% / 100.0%

Institutional holdings change Accumulating +12.0% (+30.65K sh)

Institutional value change Up +11.7%

As of Q2 2026, 4 SEC-registered investment managers reported holding GMMF (BLACKROCK ETF TRUST) in their latest 13F filings, with a combined reported value of $28.77M across 286.74K shares. That is +12.0% by share count (+30.65K shares) versus the previous quarter, while reported value moved +11.7%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.

Compared with the prior quarter, 1 opened new positions, 1 added to existing stakes. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

Fund	Quarter	Shares	Value	Portfolio Weight	Change
BlackRock Inc history	Q2 2026	250.00K	$25.08M	0.00%	Hold
Citadel Advisors history	Q2 2026	27.11K	$2.72M	0.00%	Add
Goldman Sachs Group history	Q2 2026	9.62K	$965.58K	0.00%	New
UBS Group AG history	Q1 2025	100	$10.04K	0.00%	New
Wells Fargo & Co history	Q2 2026	1	$60	0.00%	Hold

New Positions (Q2 2026)

Goldman Sachs Group 9.62K sh · $965.58K

Fully Exited (vs previous quarter)

No tracked fund fully exited this quarter.

Fund Position History — shares by quarter (top 5 funds)

Fund	Q1 2025	Q2 2025	Q3 2025	Q4 2025	Q1 2026	Q2 2026
BlackRock Inc	250.00K	250.00K	250.00K	250.00K	250.00K	250.00K
Citadel Advisors	22.74K	9.50K	20.22K	11.26K	6.09K	27.11K
Goldman Sachs Group	—	—	—	—	—	9.62K
Wells Fargo & Co	—	—	—	—	1	1
UBS Group AG	100	—	—	—	—	—

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