Roundhill MSTR WeeklyPay ETF
MSTW
4 hedge funds and large institutions have $115K invested in Roundhill MSTR WeeklyPay ETF in 2026 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 5 closing their positions.
100% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 1
28.76% less ownership
Funds ownership: 29.07% → 0.3% (-29%)
56% less funds holding
Funds holding: 9 → 4 (-5)
99% less capital invested
Capital invested by funds: $17.7M → $115K (-$17.5M)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 5
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $213K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Belvedere Trading
Chicago,
Illinois
|
+$80.2K |
| 2 |
Simplex Trading
Chicago,
Illinois
|
+$1.15K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ETC
Exchange Traded Concepts
Oklahoma City,
Oklahoma
|
-$16.3M |
| 2 |
Jane Street
New York
|
-$978K |
| 3 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$235K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$12.3K |
| 5 |
Group One Trading
Chicago,
Illinois
|
-$10.7K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Belvedere Trading
Chicago,
Illinois
| $61.9K | +$80.2K | +9,724 | +6,078% |
|
|
2
Group One Trading
Chicago,
Illinois
| $39.6K | -$10.7K | -1,300 | -17% |
|
|
3
Simplex Trading
Chicago,
Illinois
| $13.3K | +$1.15K | +140 | +7% |
|
|
RFP
4
Root Financial Partners
Encinitas,
California
| $100 | – | – | – |
|
|
ETC
5
Exchange Traded Concepts
Oklahoma City,
Oklahoma
| – | -$16.3M | -1,664,542 | Closed |
|
|
6
Jane Street
New York
| – | -$978K | -99,661 | Closed |
|
|
OMC
7
Old Mission Capital
Chicago,
Illinois
| – | -$235K | -23,912 | Closed |
|
|
8
UBS Group
Zurich,
Switzerland
| – | -$12.3K | -1,258 | Closed |
|
|
TRCT
9
Tower Research Capital (TRC)
New York
| – | -$736 | -75 | Closed |
|
MSTW Hedge Fund Activity: Q1 2026 in Review
4 of the 8,132 institutional investors tracked by Wall St. Rank reported a position in Roundhill MSTR WeeklyPay ETF (MSTW) for Q1 2026, worth a combined $115K — down 99% from $17.7M a quarter earlier.
Sellers outnumbered buyers: 5 funds closed out of MSTW and 0 opened new positions — a net loss of 5 holders — while 1 trimmed existing stakes and 2 added.
The largest buyer was Belvedere Trading, adding an estimated $80.2K. The largest seller was Exchange Traded Concepts, exiting entirely with an estimated $16.3M sold.
- 4 institutional investors held Roundhill MSTR WeeklyPay ETF (MSTW) as of Q1 2026, down from 9 in Q4 2025.
- Funds reported $115K of Roundhill MSTR WeeklyPay ETF stock for Q1 2026, down 99% quarter-over-quarter.
- 0 funds opened new Roundhill MSTR WeeklyPay ETF positions in Q1 2026 and 5 closed out, a net change of -5 holders.
- The largest Roundhill MSTR WeeklyPay ETF buyer in Q1 2026 was Belvedere Trading, an estimated $80.2K added.
- The largest Roundhill MSTR WeeklyPay ETF seller in Q1 2026 was Exchange Traded Concepts, an estimated $16.3M sold.
Based on aggregated 13F filings for Q1 2026.