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SPDR S&P MidCap 400 ETF Trust
MDY

Overview Fund Activity

1,341 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, 367 increasing their positions, 482 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,341
Holders Change
-48
Holders Change %
-3.46%
% of All Funds
18.22%
Holding in Top 10
66
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+3.13%
% of All Funds
0.9%
New
76
Increased
367
Reduced
482
Closed
94
Calls
$468M
Puts
$307M
Net Calls
+$161M
Net Calls Change
-$9.79M

Top Buyers

1
Bank of America
Bank of America
North Carolina
+$91.1M
2
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$59.5M
3
Millennium Management
Millennium Management
New York
+$42.1M
4
Creative Planning
Creative Planning
Kansas
+$40M
5
SILC
Starr Indemnity & Liability Company
New York
+$36M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$161M
2
BGDI
BW Gestao de Investimentos
Brazil
-$126M
3
Citadel Advisors
Citadel Advisors
Florida
-$91.8M
4
MCM
Moore Capital Management
New York
-$85.9M
5
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management
California
-$85.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
RWM
876
Rockline Wealth Management
New York
$456K – – –
CPA
877
Cardiff Park Advisors
California
$455K +$1.07K +2 +0.2%
DWM
878
Denver Wealth Management
Colorado
$455K -$1.07K -2 -0.2%
LGWM
879
Litman Gregory Wealth Management
California
$455K – – –
DSC
880
Duncker Streett & Co
Missouri
$453K – – –
SP
881
Stablepoint Partners
Massachusetts
$453K -$33.1K -62 -7%
MTIC
882
Missouri Trust & Investment Company
Missouri
$449K -$21.3K -40 -5%
PTP
883
Platform Technology Partners
New York
$449K – – –
OIA
884
Optimum Investment Advisors
Illinois
$448K -$2.67K -5 -0.6%
MWA
885
Monograph Wealth Advisors
California
$447K – – –
HIM
886
Harbour Investment Management
Washington
$446K – – –
RPA
887
Redwood Park Advisors
California
$445K -$24K -45 -5%
IFWM
888
Institute for Wealth Management
Colorado
$444K +$102K +192 +30%
CCA
889
Cypress Capital Advisors
Tennessee
$443K +$443K +831 New
SCM
890
Seascape Capital Management
New Hampshire
$436K – – –
AF
891
Apollon Financial
South Carolina
$436K – – –
MA
892
Mutual Advisors
Nebraska
$434K -$1.51M -2,918 -78%
CAL
893
Capital Advisors Ltd
Ohio
$434K – – –
PPW
894
Parcion Private Wealth
Washington
$432K – – –
SRL
895
Scientech Research LLC
New Jersey
$430K +$430K +806 New
BWCS
896
Beirne Wealth Consulting Services
Connecticut
$430K -$14.5K -27 -3%
RCAG
897
Rehmann Capital Advisory Group
Michigan
$429K – – –
SIC
898
Sigma Investment Counselors
Michigan
$429K – – –
SFC
899
Strategic Financial Concepts
Texas
$429K +$1.07K +2 +0.2%
GCM
900
Glaxis Capital Management
Florida
$427K -$1.6M -3,000 -79%
34 35
36
37 38