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SPDR S&P MidCap 400 ETF Trust
MDY

Overview Fund Activity

1,325 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
1,325
Holders Change
-16
Holders Change %
-1.19%
% 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 %
CYG
1251
Clean Yield Group
Vermont
$70.2K +$13.6K +24 +24%
RIL
1252
Rothschild Investment LLC
Illinois
$68.3K +$565 +1 +0.8%
HAP
1253
Harbor Asset Planning
Massachusetts
$65.5K +$65.5K +116 New
CH
1254
Canton Hathaway
Rhode Island
$65K – – –
AF
1255
Advisornet Financial
Minnesota
$62.3K +$2.83K +5 +5%
BCMLT
1256
Beacon Capital Management LLC (Tennessee)
Tennessee
$60.5K -$27.7K -49 -31%
NOI
1257
Newton One Investments
Delaware
$58K – – –
Toronto Dominion Bank
1258
Toronto Dominion Bank
Ontario, Canada
$57K – – –
TIM
1259
Tortoise Investment Management
New York
$56.6K -$43.6K -77 -44%
PAM
1260
Parvin Asset Management
South Dakota
$56.6K – – –
SNB
1261
Security National Bank
Nebraska
$56.6K – – –
AIM
1262
Anchor Investment Management
South Carolina
$56.6K – – –
1NWS
1263
1 North Wealth Services
Maryland
$55.5K – – –
BCV
1264
Banque Cantonale Vaudoise
Switzerland
$54K – – –
MSG
1265
Main Street Group
Virginia
$51K – – –
FCT
1266
First Community Trust
Iowa
$51K – – –
SAM
1267
Smartleaf Asset Management
Massachusetts
$49.9K – – –
ICM
1268
Islay Capital Management
Texas
$49.9K -$5.67K -10 -10%
PCTC
1269
Perkins Coie Trust Company
Washington
$48.1K – – –
RWM
1270
RMG Wealth Management
Wisconsin
$45.2K +$45.2K +78 New
BG
1271
Bollard Group
Massachusetts
$45K – – –
WAS
1272
Winch Advisory Services
Wisconsin
$44.8K – – –
MAS
1273
MPWM Advisory Solutions
Georgia
$39.7K -$5.67K -10 -13%
CBT
1274
CoreFirst Bank & Trust
Kansas
$39.7K +$39.7K +70 New
AG
1275
AmeriFlex Group
Nevada
$36.7K -$15.3K -27 -29%
49 50
51
52 53