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CoStar Group

Name Holding Trade Value Shares
Change
Change in
Stake
BAMCO Inc
1
BAMCO Inc
New York
$551M +$9.23M +521,530 +2%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$532M -$40.6M -2,292,120 -7%
JHIU
3
Janus Henderson Investors US
Colorado
$423M +$67.5M +3,812,310 +20%
Vanguard Group
4
Vanguard Group
Pennsylvania
$406M +$12.1M +683,630 +3%
William Blair Investment Management
5
William Blair Investment Management
Illinois
$296M +$36.2M +2,042,480 +15%
Wells Fargo
6
Wells Fargo
California
$296M -$13.3M -753,360 -5%
Winslow Capital Management
7
Winslow Capital Management
Minnesota
$259M +$5.5M +310,790 +2%
TCM
8
TimesSquare Capital Management
New York
$202M +$10.5M +593,400 +6%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$173M -$319K -18,000 -0.2%
JP Morgan Chase
10
JP Morgan Chase
New York
$170M -$17.9M -1,012,000 -10%
Franklin Resources
11
Franklin Resources
California
$158M +$17.1M +965,610 +13%
WRF
12
Waddell & Reed Financial
Kansas
$152M -$20.3M -1,145,890 -12%
BIT
13
BlackRock Institutional Trust
California
$149M +$55.1K +3,110 +0%
RP
14
Riverbridge Partners
Minnesota
$146M +$210K +11,850 +0.2%
Invesco
15
Invesco
Georgia
$135M +$18.6M +1,053,060 +17%
American Century Companies
16
American Century Companies
Missouri
$117M -$4.09M -230,730 -4%
AllianceBernstein
17
AllianceBernstein
Tennessee
$117M -$28.1M -1,586,650 -20%
O
18
OppenheimerFunds
New York
$86.9M +$7.14M +403,400 +10%
Westfield Capital Management
19
Westfield Capital Management
Massachusetts
$82.7M -$5.92M -334,270 -7%
DDC
20
DF Dent & Co
Maryland
$79.7M +$4.37M +246,740 +6%
Artisan Partners
21
Artisan Partners
Wisconsin
$74M -$1.41M -79,900 -2%
Federated Hermes
22
Federated Hermes
Pennsylvania
$74M +$744K +42,000 +1%
State Street
23
State Street
Massachusetts
$72.9M +$1.62M +91,360 +2%
RFC
24
Russell Frank Company
Washington
$64.5M -$4.77M -269,430 -7%
William Blair & Company
25
William Blair & Company
Illinois
$63.9M +$1.48M +83,650 +3%