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ESK

REX-Osprey ETH + Staking ETF

Delisted

ESK was delisted on the 11th of June, 2026.

2 hedge funds and large institutions have $211K invested in REX-Osprey ETH + Staking ETF in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

7.8% more ownership

Funds ownership: 0%7.8% (+7.8%)

Holders
2
Holders Change
+2
Holders Change %
% of All Funds
0.02%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
2
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$240K
2
GRP
Global Retirement Partners
California
+$4.59K

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change
Change in
Stake
Jane Street
1
Jane Street
New York
$207K +$240K +11,478 New
GRP
2
Global Retirement Partners
California
$3.96K +$4.59K +220 New

ESK Hedge Fund Activity: Q4 2025 in Review

2 of the 8,238 institutional investors tracked by Wall St. Rank reported a position in REX-Osprey ETH + Staking ETF (ESK) for Q4 2025, worth a combined $211K.

Buyers outnumbered sellers: 2 funds opened new ESK positions and 0 closed out — a net gain of 2 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Jane Street, opening a new position worth an estimated $240K.

  • 2 institutional investors held REX-Osprey ETH + Staking ETF (ESK) as of Q4 2025, up from 0 in Q3 2025.
  • Funds reported $211K of REX-Osprey ETH + Staking ETF stock for Q4 2025.
  • 2 funds opened new REX-Osprey ETH + Staking ETF positions in Q4 2025 and 0 closed out, a net change of +2 holders.
  • The largest REX-Osprey ETH + Staking ETF buyer in Q4 2025 was Jane Street, an estimated $240K added.

Based on aggregated 13F filings for Q4 2025.