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CoStar Group
CSGP

Overview Fund Activity

213 hedge funds and large institutions have $6.18B invested in CoStar Group in 2014 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 88 increasing their positions, 67 reducing their positions, and 24 closing their positions.

Holders
213
Holders Change
+5
Holders Change %
+2.4%
% of All Funds
5.68%
Holding in Top 10
11
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+22.22%
% of All Funds
0.29%
New
33
Increased
88
Reduced
67
Closed
24
Calls
$4.44M
Puts
$5.82M
Net Calls
-$1.38M
Net Calls Change
-$5.14M

Top Buyers

1
William Blair & Company
1
William Blair & Company
Illinois
$268M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$32.6M
3
Westfield Capital Management
3
Westfield Capital Management
Massachusetts
$50.5M
4
JCMLC
4
JAT Capital Management LP (Connecticut)
Connecticut
$29.1M
5
JHIU
5
Janus Henderson Investors US
Colorado
$255M

Top Sellers

1
GGHC
1
Gilder Gagnon Howe & Co
New York
$27.1M
2
Wells Fargo
2
Wells Fargo
California
$303M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$37.1M
4
TCM
4
TimesSquare Capital Management
New York
$269M
5
Deutsche Bank
5
Deutsche Bank
Germany
$3.97M
Name Market Value Shares Shares
Change 		Shares
Change %
State Street
26
State Street
Massachusetts
$68.3M 3,717,380 +105,890 +3%
Northern Trust
27
Northern Trust
Illinois
$63.5M 3,457,540 +78,880 +2%
CCM
28
Cornerstone Capital Management
Minnesota
$62.9M 3,423,920 +381,100 +13%
FAM
29
Fred Alger Management
New York
$59.1M 3,220,090 -274,840 -8%
SIMG
30
Stephens Investment Management Group
Texas
$57.3M 3,120,940 -120,020 -4%
WCM
31
Wildcat Capital Management
New York
$53.5M 2,914,470 +2,914,470 New
MAA
32
Managed Account Advisors
New Jersey
$51.4M 2,800,900 -144,060 -5%
Fidelity Investments
33
Fidelity Investments
Massachusetts
$51.2M 2,788,690 -784,000 -22%
Westfield Capital Management
34
Westfield Capital Management
Massachusetts
$50.5M 2,749,720 +1,533,050 +126%
Norges Bank
35
Norges Bank
Norway
$48.1M 2,621,200 – –
BFA
36
BlackRock Fund Advisors
California
$46.6M 2,535,920 +63,590 +3%
RFC
37
Russell Frank Company
Washington
$45.6M 2,476,720 +209,380 +9%
GIM
38
Granahan Investment Management
Massachusetts
$43.2M 2,353,410 -762,250 -24%
NFA
39
Nationwide Fund Advisors
Ohio
$42.3M 2,303,700 +216,420 +10%
GKIM
40
GW&K Investment Management
Massachusetts
$38.2M 2,079,340 +310,880 +18%
Massachusetts Financial Services
41
Massachusetts Financial Services
Massachusetts
$37.1M 2,018,610 -1,157,750 -36%
CCA
42
Conestoga Capital Advisors
Pennsylvania
$36.1M 1,967,940 -117,130 -6%
Janus Henderson Group
43
Janus Henderson Group
United Kingdom
$32.6M 1,776,990 +1,776,990 New
Geode Capital Management
44
Geode Capital Management
Massachusetts
$32.2M 1,752,880 +113,440 +7%
MSA
45
Mason Street Advisors
Wisconsin
$31.3M 1,705,470 +299,620 +21%
NCGI
46
Next Century Growth Investors
Minnesota
$29.4M 1,599,170 -152,380 -9%
Brown Advisory
47
Brown Advisory
Maryland
$29.3M 1,596,570 -132,430 -8%
JCMLC
48
JAT Capital Management LP (Connecticut)
Connecticut
$29.1M 1,584,940 +1,532,940 +2,948%
RIM
49
Rainier Investment Management
Washington
$28.6M 1,559,300 +317,500 +26%
GGHC
50
Gilder Gagnon Howe & Co
New York
$27.1M 1,475,020 -2,035,490 -58%
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