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COSW

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.

New
Increased
Maintained
Reduced
Closed

73.12% more ownership

Funds ownership: 0% → 73.12% (+73%)

Holders
5
Holders Change
+5
Holders Change %
–
% of All Funds
0.06%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
ETC
Exchange Traded Concepts
Oklahoma
+$20.3M
2
Jane Street
Jane Street
New York
+$656K
3
GS
GTS Securities
New York
+$261K
4
UBS Group
UBS Group
Switzerland
+$28.3K
5
Simplex Trading
Simplex Trading
Illinois
+$4.7K

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
ETC
1
Exchange Traded Concepts
Oklahoma
$18.7M +$20.3M +440,026 New
Jane Street
2
Jane Street
New York
$606K +$656K +14,256 New
GS
3
GTS Securities
New York
$241K +$261K +5,681 New
UBS Group
4
UBS Group
Switzerland
$26.1K +$28.3K +614 New
Simplex Trading
5
Simplex Trading
Illinois
$4.33K +$4.7K +102 New

COSW Hedge Fund Activity: Q4 2025 in Review

5 of the 8,223 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.