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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 %
AC
401
Allstate Corporation
Illinois
$1.39M +$431K +5,440 +45%
Walleye Capital
402
Walleye Capital
New York
$1.39M +$1.39M +17,526 New
IFWM
403
Institute for Wealth Management
Colorado
$1.39M -$2.38K -30 -0.2%
AIP
404
Ameritas Investment Partners
Nebraska
$1.38M +$29.2K +368 +2%
Credit Agricole
405
Credit Agricole
France
$1.35M +$577K +7,277 +74%
CS
406
Candriam SCA
Luxembourg
$1.33M -$159K -2,013 -11%
Bessemer Group
407
Bessemer Group
New Jersey
$1.33M -$996K -12,570 -43%
MGP
408
Metis Global Partners
California
$1.32M +$230K +2,906 +21%
BHCM
409
Brevan Howard Capital Management
Jersey
$1.3M +$1.3M +16,444 New
VFA
410
Voya Financial Advisors
Connecticut
$1.3M -$145K -1,827 -10%
AWAU
411
Alliance Wealth Advisors (Utah)
Utah
$1.28M -$111K -1,398 -8%
DWM
412
Dynasty Wealth Management
Florida
$1.27M +$6.18K +78 +0.5%
Aviva
413
Aviva
United Kingdom
$1.27M +$29.6K +373 +2%
RAM
414
Redmond Asset Management
Virginia
$1.26M +$26.8K +338 +2%
KAS
415
Kestra Advisory Services
Texas
$1.26M +$201K +2,541 +19%
RSC
416
Red Spruce Capital
Pennsylvania
$1.26M +$1.26M +15,867 New
Squarepoint
417
Squarepoint
New York
$1.25M +$135K +1,710 +12%
SG Americas Securities
418
SG Americas Securities
New York
$1.25M +$836K +10,558 +205%
TI
419
Tidal Investments
Wisconsin
$1.23M -$4.95M -62,455 -80%
NG
420
Norden Group
Utah
$1.23M +$15.4K +194 +1%
BMSSC
421
B. Metzler seel. Sohn & Co
Germany
$1.23M -$59K -745 -5%
CCA
422
Conestoga Capital Advisors
Pennsylvania
$1.23M +$24.6K +310 +2%
CM
423
Caption Management
Oklahoma
$1.22M +$1.22M +15,448 New
P
424
&Partners
Tennessee
$1.2M +$276K +3,454 +30%
PM
425
Phraction Management
Connecticut
$1.19M +$379K +4,785 +47%
15 16
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