ProShares UltraShort MidCap400
1 hedge funds and large institutions have $14 invested in ProShares UltraShort MidCap400 in 2026 Q1 according to their latest regulatory filings, with funds opening new positions, 0 increasing their positions, reducing their positions, and 2 closing their positions.
30.91% less ownership
Funds ownership: 30.91% → 0% (-31%)
67% less funds holding
Funds holding: 3 → 1 (-2)
100% less capital invested
Capital invested by funds: $278K → $14 (-$278K)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 2
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TRCT
Tower Research Capital (TRC)
New York
|
-$169K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$109K |
MZZ Hedge Fund Activity: Q1 2026 in Review
1 institutional investor reported a position in ProShares UltraShort MidCap400 (MZZ) for Q1 2026, worth a combined $14 — down 100% from $278K a quarter earlier.
Sellers outnumbered buyers: 2 funds closed out of MZZ and 0 opened new positions — a net loss of 2 holders — while 0 trimmed existing stakes and 0 added.
The largest seller was Tower Research Capital (TRC), exiting entirely with an estimated $169K sold.
- 1 institutional investor held ProShares UltraShort MidCap400 (MZZ) as of Q1 2026, down from 3 in Q4 2025.
- Funds reported $14 of ProShares UltraShort MidCap400 stock for Q1 2026, down 100% quarter-over-quarter.
- 0 funds opened new ProShares UltraShort MidCap400 positions in Q1 2026 and 2 closed out, a net change of -2 holders.
- The largest ProShares UltraShort MidCap400 seller in Q1 2026 was Tower Research Capital (TRC), an estimated $169K sold.
Based on aggregated 13F filings for Q1 2026.