ProShares Short Ether Strategy ETF
SETH
4 hedge funds and large institutions have $1.2M invested in ProShares Short Ether Strategy ETF in 2026 Q1 according to their latest regulatory filings, with 2 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 1 closing their positions.
100% more first-time investments, than exits
New positions opened: 2 | Existing positions closed: 1
66% more capital invested
Capital invested by funds: $723K → $1.2M (+$481K)
33% more funds holding
Funds holding: 3 → 4 (+1)
1.05% more ownership
Funds ownership: 6.1% → 7.16% (+1.1%)
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$656K |
| 2 |
SC
Sykon Capital
Harrison,
New York
|
+$461K |
| 3 |
BBHC
Brown Brothers Harriman & Co
New York
|
+$17.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BCM
Brookstone Capital Management
Wheaton,
Illinois
|
-$628K |
| 2 |
Simplex Trading
Chicago,
Illinois
|
-$52.2K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Jane Street
New York
| $662K | +$656K | +13,471 | New |
|
|
SC
2
Sykon Capital
Harrison,
New York
| $465K | +$461K | +9,468 | New |
|
|
BBHC
3
Brown Brothers Harriman & Co
New York
| $51.2K | +$17.4K | +357 | +52% |
|
|
4
Simplex Trading
Chicago,
Illinois
| $25.7K | -$52.2K | -1,071 | -67% |
|
|
BCM
5
Brookstone Capital Management
Wheaton,
Illinois
| – | -$628K | -14,964 | Closed |
|
SETH Hedge Fund Activity: Q1 2026 in Review
4 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in ProShares Short Ether Strategy ETF (SETH) for Q1 2026, worth a combined $1.2M — up 66% from $723K a quarter earlier.
Buyers outnumbered sellers: 2 funds opened new SETH positions and 1 closed out — a net gain of 1 holder — while 1 added to existing stakes and 1 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $656K. The largest seller was Brookstone Capital Management, exiting entirely with an estimated $628K sold.
- 4 institutional investors held ProShares Short Ether Strategy ETF (SETH) as of Q1 2026, up from 3 in Q4 2025.
- Funds reported $1.2M of ProShares Short Ether Strategy ETF stock for Q1 2026, up 66% quarter-over-quarter.
- 2 funds opened new ProShares Short Ether Strategy ETF positions in Q1 2026 and 1 closed out, a net change of +1 holder.
- The largest ProShares Short Ether Strategy ETF buyer in Q1 2026 was Jane Street, an estimated $656K added.
- The largest ProShares Short Ether Strategy ETF seller in Q1 2026 was Brookstone Capital Management, an estimated $628K sold.
Based on aggregated 13F filings for Q1 2026.