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SPDR S&P MidCap 400 ETF Trust
MDY

Overview Fund Activity

1,341 hedge funds and large institutions have $13.3B invested in SPDR S&P MidCap 400 ETF Trust in 2025 Q1 according to their latest regulatory filings, with 76 funds opening new positions, 367 increasing their positions, 482 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,341
Holders Change
-48
Holders Change %
-3.46%
% of All Funds
18.22%
Holding in Top 10
66
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+3.13%
% of All Funds
0.9%
New
76
Increased
367
Reduced
482
Closed
94
Calls
$468M
Puts
$307M
Net Calls
+$161M
Net Calls Change
-$9.79M

Top Buyers

1
Bank of America
Bank of America
North Carolina
+$91.1M
2
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$59.5M
3
Millennium Management
Millennium Management
New York
+$42.1M
4
Creative Planning
Creative Planning
Kansas
+$40M
5
SILC
Starr Indemnity & Liability Company
New York
+$36M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$161M
2
BGDI
BW Gestao de Investimentos
Brazil
-$126M
3
Citadel Advisors
Citadel Advisors
Florida
-$91.8M
4
MCM
Moore Capital Management
New York
-$85.9M
5
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management
California
-$85.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
MAM
901
Marquette Asset Management
Minnesota
$427K – – –
CK
902
Cohen Klingenstein
New York
$427K – – –
AIP
903
Almanack Investment Partners
Pennsylvania
$426K – – –
PIM
904
Progressive Investment Management
Oregon
$426K – – –
REMPR
905
Roof Eidam Maycock Peralta (REMP)
California
$426K – – –
LIA
906
LS Investment Advisors
Michigan
$426K – – –
VCA
907
Verdence Capital Advisors
Maryland
$425K – – –
TF
908
Tudor Financial
Ohio
$425K -$907K -1,700 -68%
OCM
909
Orleans Capital Management
Louisiana
$422K – – –
CFP
910
Catalyst Financial Partners
Massachusetts
$422K +$40K +75 +10%
CFB
911
Cullen/Frost Bankers
Texas
$420K -$60.3K -113 -13%
RA
912
Rise Advisors
New York
$418K +$55K +103 +15%
PA
913
Parallel Advisors
California
$416K +$88.5K +166 +27%
DSN
914
D. Scott Neal
Kentucky
$416K – – –
SPFA
915
Summit Place Financial Advisors
New Jersey
$416K – – –
FGWP
916
Founders Grove Wealth Partners
Virginia
$415K – – –
PI
917
PFG Investments
New York
$410K +$533 +1 +0.1%
ACM
918
Ayrshire Capital Management
Connecticut
$409K – – –
UCB
919
United Community Bank
South Carolina
$409K +$88K +165 +27%
WA
920
Wealth Architects
California
$408K -$533 -1 -0.1%
RSA
921
River Street Advisors
Illinois
$406K -$30.4K -57 -7%
NSAM
922
North Star Asset Management
Wisconsin
$404K +$30.4K +57 +8%
RSWM
923
Robertson Stephens Wealth Management
California
$404K +$47.6K +89 +13%
NCM
924
Neumann Capital Management
California
$400K -$80K -150 -17%
EFG
925
Elios Financial Group
Ohio
$400K +$533 +1 +0.1%
35 36
37
38 39