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CoStar Group
CSGP

Overview Fund Activity

217 hedge funds and large institutions have $6.7B invested in CoStar Group in 2015 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 77 increasing their positions, 81 reducing their positions, and 21 closing their positions.

Holders
217
Holders Change
+4
Holders Change %
+1.88%
% of All Funds
5.79%
Holding in Top 10
12
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+9.09%
% of All Funds
0.32%
New
27
Increased
77
Reduced
81
Closed
21
Calls
$4.08M
Puts
$7.95M
Net Calls
-$3.88M
Net Calls Change
-$2.5M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$512M
2
JCMLC
2
JAT Capital Management LP (Connecticut)
Connecticut
$78.2M
3
AllianceBernstein
3
AllianceBernstein
Tennessee
$142M
4
RFC
4
Russell Frank Company
Washington
$84.4M
5
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$85.8M

Top Sellers

1
TCM
1
TimesSquare Capital Management
New York
$202M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$0
3
GKIM
3
GW&K Investment Management
Massachusetts
$8.42M
4
MSA
4
Mason Street Advisors
Wisconsin
$0
5
Ameriprise
5
Ameriprise
Minnesota
$62.2M
Name Market Value Shares Shares
Change 		Shares
Change %
BAMCO Inc
1
BAMCO Inc
New York
$577M 2,918,228 +29,883 +1%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$512M 2,586,494 +1,456,217 +129%
Vanguard Group
3
Vanguard Group
Pennsylvania
$389M 1,966,865 +91,049 +5%
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$312M 1,579,067 +6,585 +0.4%
Wells Fargo
5
Wells Fargo
California
$307M 1,554,255 -93,441 -6%
William Blair & Company
6
William Blair & Company
Illinois
$277M 1,402,658 -55,658 -4%
JHIU
7
Janus Henderson Investors US
Colorado
$248M 1,255,218 -133,387 -10%
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$241M 1,218,351 -2,745 -0.2%
JPMorgan Chase & Co
9
JPMorgan Chase & Co
New York
$219M 1,108,572 +25,840 +2%
TCM
10
TimesSquare Capital Management
New York
$202M 1,022,074 -443,856 -30%
RP
11
Riverbridge Partners
Minnesota
$171M 862,070 +13,000 +2%
BIT
12
BlackRock Institutional Trust
California
$156M 786,109 +23,652 +3%
American Century Companies
13
American Century Companies
Missouri
$152M 766,056 -72,769 -9%
WRF
14
Waddell & Reed Financial
Kansas
$143M 720,741 +137,369 +24%
AllianceBernstein
15
AllianceBernstein
Tennessee
$142M 719,428 +217,315 +43%
Invesco
16
Invesco
Georgia
$120M 608,807 -2,067 -0.3%
KCM
17
Kornitzer Capital Management
Kansas
$104M 525,879 -5,310 -1%
Franklin Resources
18
Franklin Resources
California
$99.7M 503,750 +76,887 +18%
Artisan Partners
19
Artisan Partners
Wisconsin
$91.5M 462,631 -29,025 -6%
Westfield Capital Management
20
Westfield Capital Management
Massachusetts
$85.8M 433,874 +158,902 +58%
DDC
21
DF Dent & Co
Maryland
$85.7M 433,243 -129,215 -23%
RFC
22
Russell Frank Company
Washington
$84.4M 426,322 +178,650 +72%
JCMLC
23
JAT Capital Management LP (Connecticut)
Connecticut
$78.2M 395,418 +236,924 +149%
Federated Hermes
24
Federated Hermes
Pennsylvania
$77.4M 391,300 -6,478 -2%
CCM
25
Cornerstone Capital Management
Minnesota
$76.2M 385,344 +42,952 +13%
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