ProShares Ultra Nasdaq Cybersecurity ETF
UCYB
2 hedge funds and large institutions have $246K invested in ProShares Ultra Nasdaq Cybersecurity ETF in 2025 Q4 according to their latest regulatory filings, with 0 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 2 closing their positions.
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
0.85% less ownership
Funds ownership: 6.68% → 5.83% (-0.85%)
25% less capital invested
Capital invested by funds: $328K → $246K (-$82K)
50% less funds holding
Funds holding: 4 → 2 (-2)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$8.64K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$36.4K |
| 2 |
Simplex Trading
Chicago,
Illinois
|
-$13.5K |
| 3 |
Morgan Stanley
New York
|
-$110 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Jane Street
New York
| $237K | +$8.64K | +147 | +3% |
|
|
2
Simplex Trading
Chicago,
Illinois
| $8.94K | -$13.5K | -230 | -58% |
|
|
3
UBS Group
Zurich,
Switzerland
| – | -$36.4K | -593 | Closed |
|
|
4
Morgan Stanley
New York
| – | -$110 | -1 | Closed |
|
UCYB Hedge Fund Activity: Q4 2025 in Review
2 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in ProShares Ultra Nasdaq Cybersecurity ETF (UCYB) for Q4 2025, worth a combined $246K — down 25% from $328K a quarter earlier.
Sellers outnumbered buyers: 2 funds closed out of UCYB and 0 opened new positions — a net loss of 2 holders — while 1 trimmed existing stakes and 1 added.
The largest buyer was Jane Street, adding an estimated $8.64K. The largest seller was UBS Group, exiting entirely with an estimated $36.4K sold.
- 2 institutional investors held ProShares Ultra Nasdaq Cybersecurity ETF (UCYB) as of Q4 2025, down from 4 in Q3 2025.
- Funds reported $246K of ProShares Ultra Nasdaq Cybersecurity ETF stock for Q4 2025, down 25% quarter-over-quarter.
- 0 funds opened new ProShares Ultra Nasdaq Cybersecurity ETF positions in Q4 2025 and 2 closed out, a net change of -2 holders.
- The largest ProShares Ultra Nasdaq Cybersecurity ETF buyer in Q4 2025 was Jane Street, an estimated $8.64K added.
- The largest ProShares Ultra Nasdaq Cybersecurity ETF seller in Q4 2025 was UBS Group, an estimated $36.4K sold.
Based on aggregated 13F filings for Q4 2025.