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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
17.78%
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 %
KP
1076
Keel Point
Alabama
$273K +$13K +23 +5%
LWA
1077
Lantern Wealth Advisors
New York
$273K +$273K +481 New
SFM
1078
Signet Financial Management
New Jersey
$272K – – –
MCA
1079
Maryland Capital Advisors
Maryland
$270K – – –
BHIA
1080
Birch Hill Investment Advisors
Massachusetts
$269K – – –
CBB
1081
Citizens Business Bank
California
$269K – – –
HDIM
1082
Hanson & Doremus Investment Management
Vermont
$269K – – –
CFD
1083
Creative Financial Designs
Indiana
$269K -$16.4K -29 -6%
BFIC
1084
Bedell Frazier Investment Counselling
California
$268K – – –
CA
1085
CapWealth Advisors
Tennessee
$267K – – –
MMM
1086
Mendel Money Management
Illinois
$266K -$15.3K -27 -5%
LSC
1087
Lesa Sroufe & Co
Washington
$266K – – –
IFA
1088
Index Fund Advisors
California
$266K – – –
PP
1089
PDS Planning
Ohio
$265K – – –
RMC
1090
Resources Management Corp
Connecticut
$264K – – –
WA
1091
WealthTrust Axiom
Pennsylvania
$264K – – –
B
1092
Bensler
Washington
$263K – – –
RFP
1093
Root Financial Partners
California
$263K +$566 +1 +0.2%
CC
1094
Cadinha & Co
Hawaii
$262K -$158K -279 -38%
AIM
1095
Aspen Investment Management
Michigan
$262K -$1.34M -2,368 -84%
PA
1096
Parkside Advisors
California
$261K +$261K +460 New
TWM
1097
Tradition Wealth Management
Minnesota
$261K -$2.83K -5 -1%
IAS
1098
Investment Advisory Services
Texas
$261K – – –
OBGC
1099
O'Brien Greene & Co
Pennsylvania
$261K – – –
MAS
1100
Madden Advisory Services
Florida
$261K +$18.1K +32 +7%
42 43
44
45 46