Which funds hold MSTW?

As of 2026-Q2, 2 institutional funds reported holding MSTW (ROUNDHILL ETF TRUST) in SEC 13F filings, with a combined reported value of $146.19K.

How many shares of MSTW do institutions own?

13F filers reported 46.12K shares of MSTW, worth $146.19K in aggregate at the end of 2026-Q2.

Is institutional ownership of MSTW rising or falling?

Share counts moved +152.0% 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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MSTW — ROUNDHILL ETF TRUST

Reported value held$146.19K

Funds holding (latest)2

Sector—

Funds holding (Q2 2026)2

Institutional value$146.19K · 46.12K sh

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

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

Institutional holdings change Accumulating +152.0% (+27.82K sh)

Institutional value change Up +27.6%

As of Q2 2026, 2 SEC-registered investment managers reported holding MSTW (ROUNDHILL ETF TRUST) in their latest 13F filings, with a combined reported value of $146.19K across 46.12K shares. That is +152.0% by share count (+27.82K shares) versus the previous quarter, while reported value moved +27.6%. 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.

Q2 2026 — 2 funds

Fund	Shares	Value	Portfolio Weight	Change
Citadel Advisors history	45.80K	$145.20K	0.00%	Add
UBS Group AG history	312	$989	0.00%	New

Q1 2026 — 1 funds

Fund	Shares	Value	Portfolio Weight	Change
Citadel Advisors history	18.30K	$114.56K	0.00%	Reduce

Q4 2025 — 2 funds

Fund	Shares	Value	Portfolio Weight	Change
Citadel Advisors history	19.80K	$194.24K	0.00%	Add
UBS Group AG history	1.26K	$12.34K	0.00%	Add

Q3 2025 — 2 funds

Fund	Shares	Value	Portfolio Weight	Change
Citadel Advisors history	9.60K	$297.41K	0.00%	New
UBS Group AG history	293	$9.08K	0.00%	New

New Positions (Q2 2026)

UBS Group AG 312 sh · $989

Fully Exited (vs previous quarter)

No tracked fund fully exited this quarter.

Fund Position History — shares by quarter (top 2 funds)

Fund	Q2 2026	Q1 2026	Q4 2025	Q3 2025
Citadel Advisors	45.80K	18.30K	19.80K	9.60K
UBS Group AG	312	—	1.26K	293

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