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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 %
Osaic Holdings
76
Osaic Holdings
Arizona
$26.8M 46,971 -26,601 -36%
CA
77
Clearstead Advisors
Ohio
$26.6M 47,015 -4,705 -9%
CPIG
78
Chicago Partners Investment Group
Illinois
$26.4M 44,902 +522 +1%
CA
79
Cumberland Advisors
Florida
$25.3M 44,702 -3,735 -8%
Comerica Bank
80
Comerica Bank
Texas
$25.1M 44,311 -9,687 -18%
LCM
81
LCM Capital Management
Illinois
$24.9M 43,891 +104 +0.2%
KA
82
Klingman & Associates
New York
$24M 42,378 +18 +0%
MMA
83
Miracle Mile Advisors
California
$23.8M 41,988 +12,157 +41%
CI
84
Conning Inc
Connecticut
$22.8M 40,185 – –
BlackRock
85
BlackRock
New York
$22.4M 39,525 -12,829 -25%
Bessemer Group
86
Bessemer Group
New Jersey
$22.2M 39,232 -1,094 -3%
Jane Street
87
Jane Street
New York
$21.7M 38,273 +34,828 +1,011%
Lido Advisors
88
Lido Advisors
California
$21.6M 38,084 -316 -0.8%
BCM
89
Basswood Capital Management
New York
$21.6M 38,082 +38,082 New
CRC
90
Curi RMB Capital
Illinois
$21.6M 37,933 +9,571 +34%
JIC
91
Johnson Investment Counsel
Ohio
$20.6M 36,411 +95 +0.3%
1SB
92
1ST Source Bank
Indiana
$20.5M 36,139 +119 +0.3%
SCM
93
Steele Capital Management
Iowa
$19M 33,507 -369 -1%
TNBTD
94
Trustmark National Bank Trust Department
Mississippi
$18.3M 32,237 -53 -0.2%
HW
95
Hancock Whitney
Mississippi
$18.1M 31,936 +2,684 +9%
TWA
96
Tandem Wealth Advisors
Arizona
$18M 31,828 +2,577 +9%
KAS
97
Kestra Advisory Services
Texas
$17.9M 31,519 +1,892 +6%
Fidelity Investments
98
Fidelity Investments
Massachusetts
$17.7M 31,265 +822 +3%
WPW
99
Waldron Private Wealth
Pennsylvania
$17.5M 30,898 -4,136 -12%
CFMC
100
Curbstone Financial Management Corp
New Hampshire
$17.5M 30,806 +1,000 +3%
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4
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