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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 %
AFM
1351
Armstrong Fleming & Moore
District of Columbia
– – -620 Closed
BAM
1352
Belpointe Asset Management
Nevada
– – -607 Closed
ECM
1353
Eisler Capital Management
United Kingdom
– – -600 Closed
DAC
1354
Dividend Assets Capital
South Carolina
– – -571 Closed
HA
1355
Huntleigh Advisors
Missouri
– – -570 Closed
RIG
1356
RiverFront Investment Group
Virginia
– – -566 Closed
IRAG
1357
Investment Research & Advisory Group
Georgia
– – -503 Closed
PFG
1358
PAX Financial Group
Texas
– – -500 Closed
OCBCO
1359
Oversea-Chinese Banking Corp (OCBC)
Singapore
– – -500 Closed
JFGLC
1360
Johnson Financial Group LLC (Colorado)
Colorado
– – -463 Closed
ACI
1361
Alpha Cubed Investments
California
– – -460 Closed
YIH
1362
Y-Intercept (HK)
Hong Kong
– – -417 Closed
FWP
1363
Fiduciary Wealth Partners
Massachusetts
– – -413 Closed
AWE
1364
Avidian Wealth Enterprises
Texas
– – -399 Closed
EP
1365
Edgestream Partners
New Jersey
– – -387 Closed
RFG
1366
RFP Financial Group
Georgia
– – -385 Closed
Empower Advisory Group
1367
Empower Advisory Group
Colorado
– – -385 Closed
FFG
1368
Fortem Financial Group
California
– – -376 Closed
MG
1369
Mather Group
Illinois
– – -328 Closed
TCPG
1370
Trivant Custom Portfolio Group
California
– – -236 Closed
PPWM
1371
PFG Private Wealth Management
Florida
– – -199 Closed
GWM
1372
Graybill Wealth Management
Illinois
– – -165 Closed
CA
1373
Continuum Advisory
Idaho
– – -107 Closed
GP
1374
Greenline Partners
New York
– – -94 Closed
CCM
1375
Cloud Capital Management
Washington
– – -91 Closed
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