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SPDR S&P MidCap 400 ETF Trust
MDY

Overview Fund Activity

1,326 hedge funds and large institutions have $14.2B invested in SPDR S&P MidCap 400 ETF Trust in 2025 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 325 increasing their positions, 510 reducing their positions, and 65 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,326
Holders Change
-15
Holders Change %
-1.12%
% of All Funds
17.77%
Holding in Top 10
57
Holding in Top 10 Change
-9
Holding in Top 10 Change %
-13.64%
% of All Funds
0.76%
New
84
Increased
325
Reduced
510
Closed
65
Calls
$535M
Puts
$407M
Net Calls
+$128M
Net Calls Change
-$32.6M

Top Buyers

1
Morgan Stanley
Morgan Stanley
New York
+$153M
2
MCM
Moore Capital Management
New York
+$152M
3
Corient Private Wealth
Corient Private Wealth
Florida
+$136M
4
Goldman Sachs
Goldman Sachs
New York
+$134M
5
HF
HRT Financial
New York
+$60M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
-$125M
2
SG Americas Securities
SG Americas Securities
New York
-$58.4M
3
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management
California
-$54.1M
4
Millennium Management
Millennium Management
New York
-$53M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$48.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
NEWAS
1301
N.E.W. Advisory Services
Wisconsin
$15.1K – – –
BFS
1302
Burkett Financial Services
South Carolina
$14.4K – – –
PPA
1303
Painted Porch Advisors
California
$14.2K – – –
CCM
1304
Chilton Capital Management
Texas
$14.2K – – –
OW
1305
Olistico Wealth
Oklahoma
$14.2K – – –
AWM
1306
Activest Wealth Management
Florida
$13.6K -$15.3K -27 -53%
RI
1307
Ridgewood Investments
New Jersey
$12.5K – – –
AT
1308
Arlington Trust
Alabama
$12.5K – – –
CFG
1309
CKW Financial Group
Hawaii
$11K – – –
MMCM
1310
Murphy & Mullick Capital Management
New York
$10.4K – – –
NFSG
1311
Newbridge Financial Services Group
Florida
$9.35K +$550 +1 +6%
KTC
1312
Kentucky Trust Company
Kentucky
$9.06K – – –
VNA
1313
Valley National Advisers
Pennsylvania
$9K – – –
HWA
1314
HHM Wealth Advisors
Tennessee
$7.37K – – –
NCM
1315
Northwest Capital Management
Oregon
$7.36K – – –
GIA
1316
GHP Investment Advisors
Colorado
$6.8K – – –
RBC
1317
Roble Belko & Company
Pennsylvania
$6K -$4.36K -8 -42%
SC
1318
Solstein Capital
California
$5.67K – – –
FFO
1319
Fortitude Family Office
Arizona
$5.67K – – –
RF
1320
Rossby Financial
Florida
$5.67K +$5.67K +10 New
FC
1321
Fairscale Capital
New Hampshire
$4.61K – – –
SFCL
1322
Strengthening Families & Communities LLC
Massachusetts
$3.99K – – –
CSC
1323
Caldwell Sutter Capital
California
$3.97K -$36.8K -65 -90%
FLFS
1324
Family Legacy Financial Solutions
North Carolina
$2.84K +$2.84K +5 New
HWM
1325
Hemington Wealth Management
Virginia
$1K – – –
51 52
53
54 55