YieldMax HIMS Option Income Strategy ETF
HIYY
5 hedge funds and large institutions have $18.1M invested in YieldMax HIMS Option Income Strategy ETF in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and closing their positions.
697% more capital invested
Capital invested by funds: $2.28M → $18.1M (+$15.9M)
150% more funds holding
Funds holding: 2 → 5 (+3)
87.71% more ownership
Funds ownership: 0% → 87.71% (+88%)
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
+$23.2M |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$996K |
| 3 |
Jane Street
New York
|
+$206K |
| 4 |
Simplex Trading
Chicago,
Illinois
|
+$4.32K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$301K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
TI
1
Tidal Investments
Milwaukee,
Wisconsin
| $16.3M | +$23.2M | +672,611 | New |
|
|
OMC
2
Old Mission Capital
Chicago,
Illinois
| $710K | +$996K | +28,822 | New |
|
|
3
Jane Street
New York
| $660K | +$206K | +5,970 | +29% |
|
|
4
Citadel Advisors
Miami,
Florida
| $423K | -$301K | -8,722 | -34% |
|
|
5
Simplex Trading
Chicago,
Illinois
| $3.08K | +$4.32K | +125 | New |
|
HIYY Hedge Fund Activity: Q4 2025 in Review
5 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in YieldMax HIMS Option Income Strategy ETF (HIYY) for Q4 2025, worth a combined $18.1M — up 697% from $2.28M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new HIYY positions and 0 closed out — a net gain of 3 holders — while 1 added to existing stakes and 1 trimmed.
The largest buyer was Tidal Investments, opening a new position worth an estimated $23.2M. The largest seller was Citadel Advisors, cutting an estimated $301K.
- 5 institutional investors held YieldMax HIMS Option Income Strategy ETF (HIYY) as of Q4 2025, up from 2 in Q3 2025.
- Funds reported $18.1M of YieldMax HIMS Option Income Strategy ETF stock for Q4 2025, up 697% quarter-over-quarter.
- 3 funds opened new YieldMax HIMS Option Income Strategy ETF positions in Q4 2025 and 0 closed out, a net change of +3 holders.
- The largest YieldMax HIMS Option Income Strategy ETF buyer in Q4 2025 was Tidal Investments, an estimated $23.2M added.
- The largest YieldMax HIMS Option Income Strategy ETF seller in Q4 2025 was Citadel Advisors, an estimated $301K sold.
Based on aggregated 13F filings for Q4 2025.