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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 %
ACA
651
Aptus Capital Advisors
Alabama
$202K +$202K +2,552 New
MCWA
652
Meadow Creek Wealth Advisors
Georgia
$202K +$202K +2,547 New
CP
653
Castleview Partners
Texas
$201K +$872 +11 +0.4%
CAG
654
Csenge Advisory Group
Florida
$201K +$201K +2,517 New
LC
655
Lindbrook Capital
California
$199K +$150K +1,893 +305%
MG
656
Mather Group
Illinois
$197K +$33.2K +419 +20%
SC
657
Steph & Co
Wisconsin
$193K -$8.95K -113 -4%
WSFS
658
Wilmington Savings Fund Society
Delaware
$183K -$78.1K -986 -30%
LFG
659
Larson Financial Group
Missouri
$182K +$179K +2,265 +8,089%
LS
660
Livforsakringsbolaget Skandia
Sweden
$166K – – –
GWM
661
Geneos Wealth Management
Colorado
$162K +$134K +1,688 +477%
MPWT
662
MassMutual Private Wealth & Trust
Connecticut
$160K -$2.22K -28 -1%
BIG
663
Brooklyn Investment Group
New York
$159K +$72.8K +919 +84%
WT
664
Whittier Trust
California
$158K – – –
MCM
665
MAI Capital Management
Ohio
$157K +$37.7K +476 +32%
GM
666
GeoWealth Management
Illinois
$155K -$83.8K -1,058 -35%
JFGIW
667
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$153K +$144K +1,813 +1,474%
TFIPS
668
Towarzystwo Funduszy Inwestycyjnych PZU SA
$148K +$17.4K +220 +13%
PAM
669
Paradigm Asset Management
New York
$143K – – –
DAM
670
Delta Asset Management
Tennessee
$139K – – –
Jones Financial Companies
671
Jones Financial Companies
Missouri
$133K +$28.2K +355 +27%
PWM
672
Proathlete Wealth Management
Florida
$132K +$132K +1,666 New
WBC
673
Westpac Banking Corp
Australia
$126K -$46.5K -587 -27%
NA
674
NewEdge Advisors
Louisiana
$117K +$103K +1,295 +728%
WTC
675
WhitTier Trust Company
Nevada
$114K +$2.38K +30 +2%
25 26
27
28 29