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.
0.07% more ownership
Funds ownership: 3.11% → 3.18% (+0.07%)
9% less capital invested
Capital invested by funds: $280K → $255K (-$25.3K)
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 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Jane Street
New York
| $237K | +$292K | +26,000 | New |
|
|
2
UBS Group
Zurich,
Switzerland
| $18.1K | +$12.3K | +1,093 | +122% |
|
|
3
Citadel Advisors
Miami,
Florida
| – | -$269K | -20,592 | Closed |
|
|
4
Fidelity Investments
Boston,
Massachusetts
| – | -$13 | -1 | Closed |
|
SMYY Hedge Fund Activity: Q1 2026 in Review
2 of the 8,130 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.