GraniteShares YieldBOOST MARA ETF
MAAY
1 hedge funds and large institutions have $73.7K invested in GraniteShares YieldBOOST MARA ETF in 2026 Q2 according to their latest regulatory filings, with 1 funds opening new positions, increasing their positions, reducing their positions, and 1 closing their positions.
457% more capital inflows, than outflows
Capital inflows: $80K | Capital outflows: $14.4K
2.38% more ownership
Funds ownership: 0.47% → 2.85% (+2.4%)
0% more funds holding
Funds holding: 1 → 1 (0)
0% more first-time investments, than exits
New positions opened: 1 | Existing positions closed: 1
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$80K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$14.4K |
MAAY Hedge Fund Activity: Q2 2026 in Review
1 of the 8,367 institutional investors tracked by Wall St. Rank reported a position in GraniteShares YieldBOOST MARA ETF (MAAY) for Q2 2026, worth a combined $73.7K — up 413% from $14.4K a quarter earlier.
Fund positioning in MAAY was balanced in Q2 2026: 1 fund opened new positions, 1 closed out, 0 added to existing stakes and 0 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $80K. The largest seller was UBS Group, exiting entirely with an estimated $14.4K sold.
- 1 institutional investor held GraniteShares YieldBOOST MARA ETF (MAAY) as of Q2 2026, unchanged from Q1 2026.
- Funds reported $73.7K of GraniteShares YieldBOOST MARA ETF stock for Q2 2026, up 413% quarter-over-quarter.
- 1 fund opened new GraniteShares YieldBOOST MARA ETF positions in Q2 2026 and 1 closed out, a net change of 0 holders.
- The largest GraniteShares YieldBOOST MARA ETF buyer in Q2 2026 was Jane Street, an estimated $80K added.
- The largest GraniteShares YieldBOOST MARA ETF seller in Q2 2026 was UBS Group, an estimated $14.4K sold.
Based on aggregated 13F filings for Q2 2026.