MDY icon

State Street SPDR S&P MIDCAP 400 ETF Trust

1,344 hedge funds and large institutions have $14.2B invested in State Street SPDR S&P MIDCAP 400 ETF Trust in 2025 Q2 according to their latest regulatory filings, with 83 funds opening new positions, 331 increasing their positions, 517 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

1% less funds holding

Funds holding: 1,3551,344 (-11)

14% less funds holding in top 10

Funds holding in top 10: 6657 (-9)

36% less repeat investments, than reductions

Existing positions increased: 331 | Existing positions reduced: 517

Holders
1,344
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
57
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$535M
Puts
$407M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
151
$9.35M
152
$9.35M
153
$9.33M
154
$9.27M
155
$9.22M
156
$9.16M
157
$9.11M
158
$9.09M
159
$9.08M
160
$9.08M
161
$9.07M
162
$9.06M
163
$8.97M
164
$8.97M
165
$8.92M
166
$8.8M
167
$8.75M
168
$8.71M
169
$8.68M
170
$8.35M
171
$8.32M
172
$8.26M
173
$8.24M
174
$8.16M
175
$8.16M