YieldMax MSTR Option Income Strategy ETF
MSTY
89 hedge funds and large institutions have $52.4M invested in YieldMax MSTR Option Income Strategy ETF in 2025 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 30 increasing their positions, 33 reducing their positions, and 93 closing their positions.
2.93% more ownership
Funds ownership: 0.77% → 3.7% (+2.9%)
9% less repeat investments, than reductions
Existing positions increased: 30 | Existing positions reduced: 33
46% less funds holding
Funds holding: 166 → 89 (-77)
66% less capital invested
Capital invested by funds: $152M → $52.4M (-$100M)
67% less call options, than puts
Call options by funds: $11.8M | Put options by funds: $35.4M
83% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 93
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$11.1M |
| 2 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
+$7.15M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$6.78M |
| 4 |
Jane Street
New York
|
+$4.4M |
| 5 |
FIA
FNY Investment Advisers
New York
|
+$720K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
IMC Chicago
Chicago,
Illinois
|
-$17.5M |
| 2 |
PAG
Private Advisor Group
Morristown,
New Jersey
|
-$8.93M |
| 3 |
IFG
Independent Financial Group
San Diego,
California
|
-$7.01M |
| 4 |
JF
Jump Financial
Chicago,
Illinois
|
-$4.78M |
| 5 |
PNC Financial Services Group
Pittsburgh,
Pennsylvania
|
-$2.81M |
MSTY Hedge Fund Activity: Q4 2025 in Review
89 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in YieldMax MSTR Option Income Strategy ETF (MSTY) for Q4 2025, worth a combined $52.4M — down 66% from $152M a quarter earlier.
Sellers outnumbered buyers: 93 funds closed out of MSTY and 16 opened new positions — a net loss of 77 holders — while 33 trimmed existing stakes and 30 added.
The largest buyer was UBS Group, adding an estimated $11.1M. The largest seller was IMC Chicago, exiting entirely with an estimated $17.5M sold.
- 89 institutional investors held YieldMax MSTR Option Income Strategy ETF (MSTY) as of Q4 2025, down from 166 in Q3 2025.
- Funds reported $52.4M of YieldMax MSTR Option Income Strategy ETF stock for Q4 2025, down 66% quarter-over-quarter.
- 16 funds opened new YieldMax MSTR Option Income Strategy ETF positions in Q4 2025 and 93 closed out, a net change of -77 holders.
- The largest YieldMax MSTR Option Income Strategy ETF buyer in Q4 2025 was UBS Group, an estimated $11.1M added.
- The largest YieldMax MSTR Option Income Strategy ETF seller in Q4 2025 was IMC Chicago, an estimated $17.5M sold.
Based on aggregated 13F filings for Q4 2025.