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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 %
FA
351
Flagstar Advisors
New York
$3.09M +$41.2K +77 +1%
PA
352
PFG Advisors
Arizona
$3.08M -$49.6K -93 -2%
GL
353
Graypoint LLC
New York
$3.03M +$629K +1,180 +26%
SAM
354
Silvercrest Asset Management
New York
$3.03M -$67.2K -126 -2%
WPP
355
Whalerock Point Partners
Rhode Island
$3.01M – – –
WAP
356
Wealthcare Advisory Partners
Pennsylvania
$2.97M -$59.7K -112 -2%
GS
357
GTS Securities
New York
$2.97M +$149K +280 +5%
SC
358
Steph & Co
Wisconsin
$2.97M -$400K -749 -12%
ASN
359
Advisory Services Network
Georgia
$2.96M -$38.9K -73 -1%
PIM
360
Penobscot Investment Management
Massachusetts
$2.94M +$165K +310 +6%
EB
361
Eastern Bank
Massachusetts
$2.93M -$180K -338 -6%
JWCA
362
J.W. Cole Advisors
Florida
$2.92M -$26.1K -49 -0.9%
JIC
363
Joel Isaacson & Co
New York
$2.91M +$27.7K +52 +1%
Chevy Chase Trust
364
Chevy Chase Trust
Maryland
$2.91M -$168K -314 -5%
SW
365
SVB Wealth
Massachusetts
$2.89M +$379K +711 +15%
NAS
366
Nicolet Advisory Services
Wisconsin
$2.84M +$628K +1,279 +28%
MIM
367
Miller Investment Management
Pennsylvania
$2.77M – – –
DFG
368
Delta Financial Group
New Jersey
$2.76M +$92K +167 +3%
ATC
369
Argent Trust Co
Tennessee
$2.73M +$3.2K +6 +0.1%
SPC
370
Sigma Planning Corp
Michigan
$2.72M +$77.4K +145 +3%
Vanguard Group
371
Vanguard Group
Pennsylvania
$2.71M -$21.9K -41 -0.8%
PAM
372
Pegasus Asset Management
New York
$2.71M -$65.6K -123 -2%
ST
373
Spinnaker Trust
Maine
$2.7M -$5.33K -10 -0.2%
SFS
374
Sowell Financial Services
Arkansas
$2.69M +$2.69M +5,046 New
SIC
375
Shoker Investment Counsel
Ohio
$2.69M -$5.87K -11 -0.2%
13 14
15
16 17