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CoStar Group

Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$871M +$315M +11,334,790 +54%
BAMCO Inc
2
BAMCO Inc
New York
$774M -$6.13M -220,720 -0.8%
Vanguard Group
3
Vanguard Group
Pennsylvania
$748M +$42.8M +1,540,730 +6%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$743M +$151M +5,442,420 +24%
Janus Henderson Group
5
Janus Henderson Group
$724M +$22.5M +811,570 +3%
BlackRock
6
BlackRock
New York
$428M +$11.3M +407,430 +3%
Sands Capital Management
7
Sands Capital Management
Virginia
$415M +$184M +6,631,890 +75%
William Blair Investment Management
8
William Blair Investment Management
Illinois
$374M -$16.2M -583,400 -4%
Winslow Capital Management
9
Winslow Capital Management
Minnesota
$196M -$52.3M -1,882,920 -21%
Franklin Resources
10
Franklin Resources
California
$190M +$5.27M +189,880 +3%
JP Morgan Chase
11
JP Morgan Chase
New York
$186M +$177M +6,372,780 +1,020%
TCM
12
TimesSquare Capital Management
New York
$185M +$11.2M +404,920 +6%
Invesco
13
Invesco
Georgia
$169M +$10M +361,040 +6%
WRF
14
Waddell & Reed Financial
Kansas
$161M -$7.13M -256,850 -4%
BCM
15
Bares Capital Management
Texas
$161M +$12.8M +462,940 +8%
State Street
16
State Street
Massachusetts
$156M +$1.13M +40,770 +0.7%
RP
17
Riverbridge Partners
Minnesota
$154M -$6.29M -226,480 -4%
Federated Hermes
18
Federated Hermes
Pennsylvania
$114M +$34.6M +1,246,170 +41%
AllianceBernstein
19
AllianceBernstein
Tennessee
$114M -$18M -649,950 -13%
Bank of America
20
Bank of America
North Carolina
$97.4M +$23.7M +855,610 +31%
William Blair & Company
21
William Blair & Company
Illinois
$94.2M -$1.24M -44,500 -1%
DDC
22
DF Dent & Co
Maryland
$88.8M -$10.3M -370,630 -10%
Norges Bank
23
Norges Bank
Norway
$84.8M +$41.6M +1,500,000 +90%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$82.7M +$14.7M +530,810 +21%
Westfield Capital Management
25
Westfield Capital Management
Massachusetts
$79.5M -$1.91M -68,840 -2%