Roundhill MSTR WeeklyPay ETF
MSTW
7 hedge funds and large institutions have $748K invested in Roundhill MSTR WeeklyPay ETF in 2026 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 0 increasing their positions, 2 reducing their positions, and 2 closing their positions.
550% more capital invested
Capital invested by funds: $115K → $748K (+$633K)
150% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 2
75% more funds holding
Funds holding: 4 → 7 (+3)
3.6% more ownership
Funds ownership: 0.3% → 3.91% (+3.6%)
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 2
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $85K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$1.17M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$207K |
| 3 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$97.4K |
| 4 |
HF
HRT Financial
New York
|
+$78.2K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$2.12K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Belvedere Trading
Chicago,
Illinois
|
-$61.9K |
| 2 |
Group One Trading
Chicago,
Illinois
|
-$6.8K |
| 3 |
Simplex Trading
Chicago,
Illinois
|
-$5.55K |
| 4 |
RFP
Root Financial Partners
Encinitas,
California
|
-$100 |
MSTW Hedge Fund Activity: Q2 2026 in Review
7 of the 8,344 institutional investors tracked by Wall St. Rank reported a position in Roundhill MSTR WeeklyPay ETF (MSTW) for Q2 2026, worth a combined $748K — up 550% from $115K a quarter earlier.
Buyers outnumbered sellers: 5 funds opened new MSTW positions and 2 closed out — a net gain of 3 holders — while 0 added to existing stakes and 2 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $1.17M. The largest seller was Belvedere Trading, exiting entirely with an estimated $61.9K sold.
- 7 institutional investors held Roundhill MSTR WeeklyPay ETF (MSTW) as of Q2 2026, up from 4 in Q1 2026.
- Funds reported $748K of Roundhill MSTR WeeklyPay ETF stock for Q2 2026, up 550% quarter-over-quarter.
- 5 funds opened new Roundhill MSTR WeeklyPay ETF positions in Q2 2026 and 2 closed out, a net change of +3 holders.
- The largest Roundhill MSTR WeeklyPay ETF buyer in Q2 2026 was Jane Street, an estimated $1.17M added.
- The largest Roundhill MSTR WeeklyPay ETF seller in Q2 2026 was Belvedere Trading, an estimated $61.9K sold.
Based on aggregated 13F filings for Q2 2026.