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CoStar Group
CSGP

Overview Fund Activity

845 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 372 increasing their positions, 258 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
845
Holders Change
+52
Holders Change %
+6.56%
% of All Funds
11.48%
Holding in Top 10
23
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+43.75%
% of All Funds
0.31%
New
140
Increased
372
Reduced
258
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M

Top Buyers

1
MMA
Mizuho Markets Americas
New York
+$586M
2
Morgan Stanley
Morgan Stanley
New York
+$283M
3
TCIM
TOMS Capital Investment Management
New York
+$278M
4
UBS Group
UBS Group
Switzerland
+$256M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$215M

Top Sellers

1
Macquarie Group
Macquarie Group
Australia
-$91.1M
2
Viking Global Investors
Viking Global Investors
Connecticut
-$83.2M
3
Goldman Sachs
Goldman Sachs
New York
-$57.8M
4
SCM
Spyglass Capital Management
California
-$57.5M
5
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board
Ontario, Canada
-$52.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
Assenagon Asset Management
501
Assenagon Asset Management
Luxembourg
$630K -$31.2M -393,416 -98%
EF
502
Empowered Funds
Pennsylvania
$629K +$52.8K +666 +9%
FH
503
FWG Holdings
Florida
$628K +$96.1K +1,162 +18%
PAG
504
Private Advisor Group
New Jersey
$627K -$235K -2,970 -27%
AP
505
Americana Partners
Texas
$619K +$619K +7,815 New
BWM
506
Baron Wealth Management
Michigan
$618K -$39.3K -496 -6%
MWM
507
Moran Wealth Management
Florida
$609K -$41.7K -526 -6%
CFO
508
Callan Family Office
Pennsylvania
$603K +$95.5K +1,205 +19%
OC
509
Oarsman Capital
Wisconsin
$599K -$1.98K -25 -0.3%
PIM
510
Plato Investment Management
Australia
$599K -$502K -6,271 -46%
MSA
511
MUFG Securities Americas
New York
$591K +$111K +1,407 +23%
SPIA
512
Steward Partners Investment Advisory
New York
$583K +$18K +227 +3%
SFS
513
Sowell Financial Services
Arkansas
$576K +$576K +7,268 New
VI
514
Vestcor Inc
New Brunswick, Canada
$570K +$1.51K +19 +0.3%
SAM
515
Smartleaf Asset Management
Massachusetts
$548K +$137K +1,729 +33%
TFS
516
Thoroughbred Financial Services
Tennessee
$546K -$6.89K -87 -1%
EC
517
Enhancing Capital
Pennsylvania
$545K +$17.7K +224 +3%
First Manhattan
518
First Manhattan
New York
$542K +$146K +1,847 +37%
IWA
519
IVC Wealth Advisors
Pennsylvania
$540K -$143K -1,802 -21%
Capstone Investment Advisors
520
Capstone Investment Advisors
New York
$539K -$3.1M -39,131 -85%
HCM
521
Hengehold Capital Management
Ohio
$538K – – –
AV
522
ASR Vermogensbeheer
Netherlands
$537K +$537K +6,777 New
PP
523
Prudential plc
United Kingdom
$523K – – –
DWM
524
Diversify Wealth Management
Utah
$522K +$4.55K +55 +0.9%
HAG
525
HighPoint Advisor Group
Illinois
$522K +$29.8K +360 +6%
19 20
21
22 23