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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 %
PAM
226
Palisade Asset Management
Minnesota
$5.61M -$547K -1,026 -9%
ITC
227
Inspire Trust Company
Nevada
$5.6M – – –
PWAM
228
Private Wealth Asset Management
Iowa
$5.6M +$5.6M +10,500 New
Tudor Investment Corp
229
Tudor Investment Corp
Connecticut
$5.59M +$5.59M +10,486 New
LPAM
230
Lodestar Private Asset Management
California
$5.57M -$12.3K -23 -0.2%
WSFS
231
Wilmington Savings Fund Society
Delaware
$5.52M -$11.2K -21 -0.2%
GF
232
Gries Financial
Ohio
$5.49M +$11.7K +22 +0.2%
FLPIM
233
F.L. Putnam Investment Management
Massachusetts
$5.38M +$193K +361 +4%
GSC
234
G&S Capital
Colorado
$5.37M +$293K +550 +6%
DWP
235
Daymark Wealth Partners
Ohio
$5.34M -$84.3K -158 -2%
WA
236
Wilmar Advisors
Florida
$5.33M – – –
RC
237
RBF Capital
California
$5.33M – – –
RCA
238
Resonant Capital Advisors
Wisconsin
$5.2M – – –
MFG
239
Merit Financial Group
Georgia
$5.19M +$2.57M +4,814 +98%
CTC
240
Central Trust Company
Missouri
$5.18M +$197K +370 +4%
CCFCSB
241
Cape Cod Five Cents Savings Bank
Massachusetts
$5.13M – – –
BPWM
242
Badgley Phelps Wealth Managers
Washington
$5.12M +$66.8K +125 +1%
ST
243
Sageworth Trust
Pennsylvania
$5.11M -$5.74M -10,765 -53%
PAM
244
Peak Asset Management
Colorado
$5.1M -$96.6K -181 -2%
MWM
245
Modera Wealth Management
New Jersey
$5.1M +$792K +1,485 +18%
NCG
246
Newport Capital Group
New Jersey
$5.08M +$102K +190 +2%
MFA
247
Mayflower Financial Advisors
Massachusetts
$5.08M -$71K -133 -1%
CPA
248
Court Place Advisors
Maryland
$5.07M +$18.7K +35 +0.4%
SF
249
Summit Financial
New Jersey
$5.04M +$247K +463 +5%
TRSOTSOK
250
Teachers Retirement System of the State of Kentucky
Kentucky
$5.04M – – –
8 9
10
11 12