REX-Osprey SOL + Staking ETF
23 hedge funds and large institutions have $26.4M invested in REX-Osprey SOL + Staking ETF in 2025 Q4 according to their latest regulatory filings, with 7 funds opening new positions, 9 increasing their positions, 5 reducing their positions, and 14 closing their positions.
80% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 5
9.56% less ownership
Funds ownership: 26.02% → 16.46% (-9.6%)
23% less funds holding
Funds holding: 30 → 23 (-7)
46% less call options, than puts
Call options by funds: $248K | Put options by funds: $456K
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
50% less first-time investments, than exits
New positions opened: 7 | Existing positions closed: 14
62% less capital invested
Capital invested by funds: $70M → $26.4M (-$43.5M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LSC
Logan Stone Capital
Chicago,
Illinois
|
+$7.82M |
| 2 |
DS
DRW Securities
Chicago,
Illinois
|
+$2.31M |
| 3 |
FTUS
Flow Traders U.S.
New York
|
+$2.11M |
| 4 |
Jane Street
New York
|
+$247K |
| 5 |
Simplex Trading
Chicago,
Illinois
|
+$142K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$12M |
| 2 |
HHGC
Hunting Hill Global Capital
New York
|
-$10.2M |
| 3 |
WAM
Wolverine Asset Management
Chicago,
Illinois
|
-$9.26M |
| 4 |
IC
IEQ Capital
Foster City,
California
|
-$2.28M |
| 5 |
QFA
Quattro Financial Advisors
The Woodlands,
Texas
|
-$1.08M |
SSK Hedge Fund Activity: Q4 2025 in Review
23 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in REX-Osprey SOL + Staking ETF (SSK) for Q4 2025, worth a combined $26.4M — down 62% from $70M a quarter earlier.
Sellers outnumbered buyers: 14 funds closed out of SSK and 7 opened new positions — a net loss of 7 holders — while 5 trimmed existing stakes and 9 added.
The largest buyer was Logan Stone Capital, adding an estimated $7.82M. The largest seller was Citadel Advisors, cutting an estimated $12M.
- 23 institutional investors held REX-Osprey SOL + Staking ETF (SSK) as of Q4 2025, down from 30 in Q3 2025.
- Funds reported $26.4M of REX-Osprey SOL + Staking ETF stock for Q4 2025, down 62% quarter-over-quarter.
- 7 funds opened new REX-Osprey SOL + Staking ETF positions in Q4 2025 and 14 closed out, a net change of -7 holders.
- The largest REX-Osprey SOL + Staking ETF buyer in Q4 2025 was Logan Stone Capital, an estimated $7.82M added.
- The largest REX-Osprey SOL + Staking ETF seller in Q4 2025 was Citadel Advisors, an estimated $12M sold.
Based on aggregated 13F filings for Q4 2025.