YieldMax MARA Option Income Strategy ETF
MARO
12 hedge funds and large institutions have $16.1M invested in YieldMax MARA Option Income Strategy ETF in 2025 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 1 increasing their positions, 2 reducing their positions, and 4 closing their positions.
125% more first-time investments, than exits
New positions opened: 9 | Existing positions closed: 4
71% more funds holding
Funds holding: 7 → 12 (+5)
9.66% more ownership
Funds ownership: 23.62% → 33.28% (+9.7%)
50% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 2
53% less capital invested
Capital invested by funds: $34.1M → $16.1M (-$18M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
+$6.22M |
| 2 |
TSS
Two Sigma Securities
New York
|
+$173K |
| 3 |
Bank of America
Charlotte,
North Carolina
|
+$145K |
| 4 |
FIA
FNY Investment Advisers
New York
|
+$66.1K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$4.65K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$1.02M |
| 2 |
Jane Street
New York
|
-$635K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$542K |
| 4 |
SAW
Signal Advisors Wealth
Detroit,
Michigan
|
-$487K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$297K |
MARO Hedge Fund Activity: Q4 2025 in Review
12 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in YieldMax MARA Option Income Strategy ETF (MARO) for Q4 2025, worth a combined $16.1M — down 53% from $34.1M a quarter earlier.
Buyers outnumbered sellers: 9 funds opened new MARO positions and 4 closed out — a net gain of 5 holders — while 1 added to existing stakes and 2 trimmed.
The largest buyer was Tidal Investments, adding an estimated $6.22M. The largest seller was Old Mission Capital, exiting entirely with an estimated $1.02M sold.
- 12 institutional investors held YieldMax MARA Option Income Strategy ETF (MARO) as of Q4 2025, up from 7 in Q3 2025.
- Funds reported $16.1M of YieldMax MARA Option Income Strategy ETF stock for Q4 2025, down 53% quarter-over-quarter.
- 9 funds opened new YieldMax MARA Option Income Strategy ETF positions in Q4 2025 and 4 closed out, a net change of +5 holders.
- The largest YieldMax MARA Option Income Strategy ETF buyer in Q4 2025 was Tidal Investments, an estimated $6.22M added.
- The largest YieldMax MARA Option Income Strategy ETF seller in Q4 2025 was Old Mission Capital, an estimated $1.02M sold.
Based on aggregated 13F filings for Q4 2025.