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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 %
HR
501
Hardy Reed
Mississippi
$1.48M – – –
EFA
502
Edge Financial Advisors
Illinois
$1.47M +$4.8K +9 +0.3%
HAC
503
Harbor Advisory Corp
New Hampshire
$1.46M – – –
PPA
504
Pacific Point Advisors
California
$1.46M – – –
GAM
505
GEM Asset Management
Michigan
$1.46M – – –
SWA
506
Stratos Wealth Advisors
Ohio
$1.46M +$134K +252 +10%
AIP
507
ARS Investment Partners
New York
$1.44M – – –
OPCM
508
Osborne Partners Capital Management
California
$1.44M -$35.7K -67 -2%
MHIC
509
Marble Harbor Investment Counsel
Massachusetts
$1.44M – – –
MLL
510
Moody Lynn & Lieberson
Massachusetts
$1.44M +$10.1K +19 +0.7%
Walleye Trading
511
Walleye Trading
New York
$1.43M +$1.43M +2,688 New
TH
512
TCTC Holdings
Texas
$1.43M – – –
ATI
513
ARK & TLK Investments
Oklahoma
$1.42M – – –
DI
514
Disciplined Investments
Oklahoma
$1.42M +$3.73K +7 +0.3%
TPCW
515
TD Private Client Wealth
New York
$1.41M -$640K -1,200 -31%
EFS
516
Essex Financial Services
Connecticut
$1.4M +$28.3K +53 +2%
ZBNA
517
Zions Bancorporation, National Association
Utah
$1.4M +$1.4M +2,625 New
FA
518
Fiducient Advisors
Illinois
$1.4M +$21.9K +41 +2%
ET
519
Equitable Trust
Tennessee
$1.37M – – –
CSP
520
Cary Street Partners
Virginia
$1.36M -$10.1K -19 -0.7%
MCM
521
Manchester Capital Management
Vermont
$1.35M – – –
CFC
522
Coyle Financial Counsel
Illinois
$1.34M -$38.4K -72 -3%
UWPG
523
Ullmann Wealth Partners Group
Florida
$1.34M – – –
Marshall Wace
524
Marshall Wace
United Kingdom
$1.33M +$1.33M +2,500 New
FNWM
525
Financial Network Wealth Management
Utah
$1.33M – – –
19 20
21
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