Roundhill COST WeeklyPay ETF
COSW
5 hedge funds and large institutions have $19.6M invested in Roundhill COST WeeklyPay ETF in 2025 Q4 according to their latest regulatory filings, with 5 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
148.61% more ownership
Funds ownership: 0% → 148.61% (+149%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Exchange Traded Concepts
Oklahoma City,
Oklahoma
|
+$20.3M |
| 2 |
Jane Street
New York
|
+$656K |
| 3 |
GTS Securities
Miami,
Florida
|
+$261K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$28.3K |
| 5 |
Simplex Trading
Chicago,
Illinois
|
+$4.7K |
Top Sellers
COSW Hedge Fund Activity: Q4 2025 in Review
5 of the 8,294 institutional investors tracked by Wall St. Rank reported a position in Roundhill COST WeeklyPay ETF (COSW) for Q4 2025, worth a combined $19.6M.
Buyers outnumbered sellers: 5 funds opened new COSW positions and 0 closed out — a net gain of 5 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Exchange Traded Concepts, opening a new position worth an estimated $20.3M.
- 5 institutional investors held Roundhill COST WeeklyPay ETF (COSW) as of Q4 2025, up from 0 in Q3 2025.
- Funds reported $19.6M of Roundhill COST WeeklyPay ETF stock for Q4 2025.
- 5 funds opened new Roundhill COST WeeklyPay ETF positions in Q4 2025 and 0 closed out, a net change of +5 holders.
- The largest Roundhill COST WeeklyPay ETF buyer in Q4 2025 was Exchange Traded Concepts, an estimated $20.3M added.
Based on aggregated 13F filings for Q4 2025.