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ProShares Short MidCap400
MYY

3 hedge funds and large institutions have $76.9K invested in ProShares Short MidCap400 in 2025 Q3 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

10.28% less ownership

Funds ownership: 12.51% → 2.23% (-10%)

25% less funds holding

Funds holding: 4 → 3 (-1)

88% less capital invested

Capital invested by funds: $630K → $76.9K (-$554K)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 1

100% less repeat investments, than reductions

Existing positions increased: 0 | Existing positions reduced: 2

Holders
3
Holders Change
-1
Holders Change %
-25%
% of All Funds
0.04%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
–
Reduced
2
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

No buyers this quarter

Top Sellers

Rank Fund Capital Flow
1
TRCT
Tower Research Capital (TRC)
New York
-$284K
2
IWM
IHT Wealth Management
Illinois
-$257K
3
Morgan Stanley
Morgan Stanley
New York
-$73
Name Holding Trade Value Shares
Change 		Change in
Stake
TRCT
1
Tower Research Capital (TRC)
New York
$76.8K -$284K -15,598 -78%
Morgan Stanley
2
Morgan Stanley
New York
$38 -$73 -4 -67%
Wells Fargo
3
Wells Fargo
California
$20 – – –
IWM
4
IHT Wealth Management
Illinois
– -$257K -13,700 Closed

MYY Hedge Fund Activity: Q3 2025 in Review

3 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in ProShares Short MidCap400 (MYY) for Q3 2025, worth a combined $76.9K — down 88% from $630K a quarter earlier.

Sellers outnumbered buyers: 1 fund closed out of MYY and 0 opened new positions — a net loss of 1 holder — while 2 trimmed existing stakes and 0 added.

The largest seller was Tower Research Capital (TRC), cutting an estimated $284K.

  • 3 institutional investors held ProShares Short MidCap400 (MYY) as of Q3 2025, down from 4 in Q2 2025.
  • Funds reported $76.9K of ProShares Short MidCap400 stock for Q3 2025, down 88% quarter-over-quarter.
  • 0 funds opened new ProShares Short MidCap400 positions in Q3 2025 and 1 closed out, a net change of -1 holder.
  • The largest ProShares Short MidCap400 seller in Q3 2025 was Tower Research Capital (TRC), an estimated $284K sold.

Based on aggregated 13F filings for Q3 2025.