GraniteShares YieldBOOST SMCI ETF
SMYY
2 hedge funds and large institutions have $255K invested in GraniteShares YieldBOOST SMCI ETF in 2026 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, reducing their positions, and 2 closing their positions.
13% more capital inflows, than outflows
Capital inflows: $304K | Capital outflows: $269K
0.94% more ownership
Funds ownership: 3.11% → 4.06% (+0.94%)
33% less funds holding
Funds holding: 3 → 2 (-1)
50% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$292K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$12.3K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$269K |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$13 |
SMYY Hedge Fund Activity: Q1 2026 in Review
2 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in GraniteShares YieldBOOST SMCI ETF (SMYY) for Q1 2026, worth a combined $255K — down 9% from $280K a quarter earlier.
Sellers outnumbered buyers: 2 funds closed out of SMYY and 1 opened new positions — a net loss of 1 holder — while 0 trimmed existing stakes and 1 added.
The largest buyer was Jane Street, opening a new position worth an estimated $292K. The largest seller was Citadel Advisors, exiting entirely with an estimated $269K sold.
- 2 institutional investors held GraniteShares YieldBOOST SMCI ETF (SMYY) as of Q1 2026, down from 3 in Q4 2025.
- Funds reported $255K of GraniteShares YieldBOOST SMCI ETF stock for Q1 2026, down 9% quarter-over-quarter.
- 1 fund opened new GraniteShares YieldBOOST SMCI ETF positions in Q1 2026 and 2 closed out, a net change of -1 holder.
- The largest GraniteShares YieldBOOST SMCI ETF buyer in Q1 2026 was Jane Street, an estimated $292K added.
- The largest GraniteShares YieldBOOST SMCI ETF seller in Q1 2026 was Citadel Advisors, an estimated $269K sold.
Based on aggregated 13F filings for Q1 2026.