MDY icon

SPDR S&P MidCap 400 ETF Trust

1,349 hedge funds and large institutions have $13.3B invested in SPDR S&P MidCap 400 ETF Trust in 2025 Q1 according to their latest regulatory filings, with 76 funds opening new positions, 369 increasing their positions, 485 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

less funds holding

Funds holding:

11% less capital invested

Capital invested by funds: $15B → $13.3B (-$1.69B)

21% less first-time investments, than exits

New positions opened: 76 | Existing positions closed: 96

24% less repeat investments, than reductions

Existing positions increased: 369 | Existing positions reduced: 485

Holders
1,349
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
66
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$468M
Puts
$307M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
926
$406K
927
$404K
928
$404K
929
$400K
930
$400K
931
$399K
932
$399K
933
$396K
934
$394K
935
$392K
936
$392K
937
$392K
938
$391K
939
$389K
940
$389K
941
$386K
942
$385K
943
$384K
944
$383K
945
$383K
946
$380K
947
$377K
948
$376K
949
$376K
950
$375K