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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 %
1IA
451
1834 Investment Advisors
Wisconsin
$1.89M -$8K -15 -0.4%
CSS
452
Cubist Systematic Strategies
Connecticut
$1.88M +$1.88M +3,520 New
PTC
453
Private Trust Company
Ohio
$1.88M -$248K -465 -12%
RSS
454
Rosenblum Silverman Sutton
California
$1.86M +$10.1K +19 +0.5%
LWM
455
Lionsbridge Wealth Management
Florida
$1.86M -$179K -335 -9%
IAG
456
Investment Advisory Group
Massachusetts
$1.85M +$59.2K +111 +3%
BCM
457
Becker Capital Management
Oregon
$1.85M -$103K -193 -5%
Jane Street
458
Jane Street
New York
$1.84M -$2.89M -5,416 -61%
IAN
459
Integrated Advisors Network
Texas
$1.81M +$11.7K +22 +0.7%
MF
460
Meridian Financial
Massachusetts
$1.78M -$56K -105 -3%
CFA
461
CWS Financial Advisors
Michigan
$1.77M – – –
SWP
462
Summit Wealth Partners
Florida
$1.77M -$9.6K -18 -0.5%
SC
463
Scotia Capital
Ontario, Canada
$1.76M -$27.2K -51 -2%
G
464
GenTrust
Florida
$1.76M -$3.74K -7 -0.2%
EIA
465
Eldridge Investment Advisors
New Hampshire
$1.75M -$27.2K -51 -2%
FF
466
Farrow Financial
Vermont
$1.75M -$9.6K -18 -0.5%
TFGT
467
TS Financial Group (TSFG)
Illinois
$1.74M -$10.7K -20 -0.6%
AL
468
Aspiriant LLC
California
$1.72M – – –
GAM
469
Gotham Asset Management
New York
$1.71M +$1.71M +3,198 New
OFG
470
Oxford Financial Group
Indiana
$1.7M – – –
DAS
471
Dynamic Advisor Solutions
Arizona
$1.7M +$1.7M +3,191 New
GP
472
Gridiron Partners
Pennsylvania
$1.69M -$111K -209 -6%
MCWS
473
McKinley Carter Wealth Services
West Virginia
$1.68M – – –
TIA
474
Tiemann Investment Advisors
California
$1.66M -$16K -30 -1%
EFG
475
Embree Financial Group
Illinois
$1.66M -$104K -195 -6%
17 18
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