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SPDR S&P MidCap 400 ETF Trust
MDY

Overview Fund Activity

1,322 hedge funds and large institutions have $14.1B invested in SPDR S&P MidCap 400 ETF Trust in 2025 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 324 increasing their positions, 509 reducing their positions, and 64 closing their positions.

Holders
1,322
Holders Change
-19
Holders Change %
-1.42%
% of All Funds
17.75%
Holding in Top 10
57
Holding in Top 10 Change
-9
Holding in Top 10 Change %
-13.64%
% of All Funds
0.77%
New
84
Increased
324
Reduced
509
Closed
64
Calls
$259M
Puts
$158M
Net Calls
+$100M
Net Calls Change
-$60.8M

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$749M
2
MCM
2
Moore Capital Management
New York
$359M
3
Corient Private Wealth
3
Corient Private Wealth
Florida
$275M
4
Goldman Sachs
4
Goldman Sachs
New York
$492M
5
HF
5
HRT Financial
New York
$61.7M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$1.25M
2
SG Americas Securities
2
SG Americas Securities
New York
$59.4M
3
Kayne Anderson Rudnick Investment Management
3
Kayne Anderson Rudnick Investment Management
California
$69.4M
4
Millennium Management
4
Millennium Management
New York
$4.84M
5
Qube Research & Technologies (QRT)
5
Qube Research & Technologies (QRT)
United Kingdom
$16.8M
Name Market Value Shares Shares
Change 		Shares
Change %
AIP
126
Ameritas Investment Partners
Nebraska
$11.4M 20,045 +690 +4%
CFO
127
Callan Family Office
Pennsylvania
$11.3M 19,875 -292 -1%
ECM
128
Exchange Capital Management
Michigan
$11.2M 19,852 -179 -0.9%
JA
129
JVL Associates
Michigan
$11.2M 19,801 -28 -0.1%
WFA
130
Wellspring Financial Advisors
Ohio
$11.2M 19,714 -3,136 -14%
Franklin Resources
131
Franklin Resources
California
$10.9M 19,295 +2,207 +13%
Mercer Global Advisors
132
Mercer Global Advisors
Colorado
$10.9M 19,234 -915 -5%
LFS
133
Lutz Financial Services
Nebraska
$10.8M 19,107 -4 -0%
CCB
134
Country Club Bank
Missouri
$10.7M 18,911 +438 +2%
DBIA
135
Dumont & Blake Investment Advisors
New Jersey
$10.6M 18,711 -1,355 -7%
Kovitz Investment Group Partners
136
Kovitz Investment Group Partners
Illinois
$9.84M 17,368 -429 -2%
HFAS
137
Hummer Financial Advisory Services
Illinois
$9.79M 17,228 – –
BBHC
138
Brown Brothers Harriman & Co
New York
$9.75M 17,211 -25 -0.1%
PCA
139
Peddock Capital Advisors
Massachusetts
$9.71M 17,136 -2,116 -11%
CP
140
Canopy Partners
Ohio
$9.7M 17,127 -400 -2%
OC
141
Oppenheimer & Co
New York
$9.67M 17,075 -200 -1%
MCCA
142
Mill Creek Capital Advisors
Pennsylvania
$9.65M 17,031 +1,941 +13%
CWP
143
Cyndeo Wealth Partners
Florida
$9.5M 16,774 +5,072 +43%
CAG
144
Csenge Advisory Group
Florida
$9.44M 17,212 +489 +3%
HTIM
145
Harbour Trust & Investment Management
Indiana
$9.42M 16,625 -155 -0.9%
NB
146
NBT Bank
New York
$9.36M 16,526 -929 -5%
Citigroup
147
Citigroup
New York
$9.35M 16,505 +1,232 +8%
BWA
148
Bordeaux Wealth Advisors
California
$9.35M 16,500 -796 -5%
NPT
149
Nixon Peabody Trust
Massachusetts
$9.33M 16,472 -86 -0.5%
BCM
150
Brookstone Capital Management
Illinois
$9.27M 16,359 -6 -0%
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