GraniteShares YieldBOOST COIN ETF
COYY
4 hedge funds and large institutions have $221K invested in GraniteShares YieldBOOST COIN ETF in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 1 increasing their positions, reducing their positions, and 1 closing their positions.
200% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 1
100% more funds holding
Funds holding: 2 → 4 (+2)
27% more call options, than puts
Call options by funds: $434K | Put options by funds: $341K
0.01% more ownership
Funds ownership: 0.05% → 0.05% (+0.01%)
18% less capital invested
Capital invested by funds: $271K → $221K (-$49.8K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$244K |
| 2 |
Simplex Trading
Chicago,
Illinois
|
+$73.1K |
| 3 |
IF
Integrity Financial
Cheyenne,
Wyoming
|
+$13K |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$1.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$257K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $158K | +$244K | +3,359 | New |
|
|
2
Simplex Trading
Chicago,
Illinois
| $47.3K | +$73.1K | +1,005 | New |
|
|
IF
3
Integrity Financial
Cheyenne,
Wyoming
| $14.3K | +$13K | +179 | +143% |
|
|
4
Fidelity Investments
Boston,
Massachusetts
| $1.04K | +$1.6K | +22 | New |
|
|
FRA
5
Front Row Advisors
Tiburon,
California
| $8 | – | – | – |
|
|
OMC
6
Old Mission Capital
Chicago,
Illinois
| – | -$257K | -2,394 | Closed |
|
COYY Hedge Fund Activity: Q4 2025 in Review
4 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in GraniteShares YieldBOOST COIN ETF (COYY) for Q4 2025, worth a combined $221K — down 18% from $271K a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new COYY positions and 1 closed out — a net gain of 2 holders — while 1 added to existing stakes and 0 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $244K. The largest seller was Old Mission Capital, exiting entirely with an estimated $257K sold.
- 4 institutional investors held GraniteShares YieldBOOST COIN ETF (COYY) as of Q4 2025, up from 2 in Q3 2025.
- Funds reported $221K of GraniteShares YieldBOOST COIN ETF stock for Q4 2025, down 18% quarter-over-quarter.
- 3 funds opened new GraniteShares YieldBOOST COIN ETF positions in Q4 2025 and 1 closed out, a net change of +2 holders.
- The largest GraniteShares YieldBOOST COIN ETF buyer in Q4 2025 was Citadel Advisors, an estimated $244K added.
- The largest GraniteShares YieldBOOST COIN ETF seller in Q4 2025 was Old Mission Capital, an estimated $257K sold.
Based on aggregated 13F filings for Q4 2025.