We are live on ! Find out more
MYY icon

ProShares Short MidCap400

4 hedge funds and large institutions have $338K invested in ProShares Short MidCap400 in 2026 Q2 according to their latest regulatory filings, with 0 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 1

0% more funds holding

Funds holding: 4 → 4 (0)

0.23% less ownership

Funds ownership: 11.91% → 11.68% (-0.23%)

42% less capital inflows, than outflows

Capital inflows: $73.5K | Capital outflows: $128K

Holders
4
Holders Change
–
Holders Change %
0%
% of All Funds
0.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
2
Reduced
1
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Tower Research Capital (TRC)
Tower Research Capital (TRC)
New York
+$73.5K
2
Morgan Stanley
Morgan Stanley
New York
+$16

Top Sellers

Rank Fund Capital Flow
1
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$128K

MYY Hedge Fund Activity: Q2 2026 in Review

4 of the 8,367 institutional investors tracked by Wall St. Rank reported a position in ProShares Short MidCap400 (MYY) for Q2 2026, worth a combined $338K — down 24% from $446K a quarter earlier.

Fund positioning in MYY was balanced in Q2 2026: 0 funds opened new positions, 0 closed out, 2 added to existing stakes and 1 trimmed.

The largest buyer was Tower Research Capital (TRC), adding an estimated $73.5K. The largest seller was Susquehanna International Group, cutting an estimated $128K.

  • 4 institutional investors held ProShares Short MidCap400 (MYY) as of Q2 2026, unchanged from Q1 2026.
  • Funds reported $338K of ProShares Short MidCap400 stock for Q2 2026, down 24% quarter-over-quarter.
  • 0 funds opened new ProShares Short MidCap400 positions in Q2 2026 and 0 closed out.
  • The largest ProShares Short MidCap400 buyer in Q2 2026 was Tower Research Capital (TRC), an estimated $73.5K added.
  • The largest ProShares Short MidCap400 seller in Q2 2026 was Susquehanna International Group, an estimated $128K sold.

Based on aggregated 13F filings for Q2 2026.