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CSGP
- As of 09/24/24, 04:05:41 PM: 143 Insider Transactions.
Sector:
Services
Industry:
Business Services
Prev Close:
$221.81
Avg Vol(3m):
172,633
P/E:
367.20
EPS:
0.60
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Insider Transactions for CSGP
Buy/Sell*
Filed Date
Subject
Symbol
Acquirer
Pct Owned
Details
B
2020-02-14 13:30:03.0
COSTAR GROUP
CSGP
PRICE T ROWE ASSOCIATES INC
11.7%
view
S
2020-02-14 12:36:40.0
COSTAR GROUP
CSGP
JANUS HENDERSON GROUP PLC
4.7%
view
S
2020-02-13 18:44:42.0
COSTAR GROUP
CSGP
BAMCO INC
6.2%
view
B
2020-02-12 08:02:44.0
COSTAR GROUP
CSGP
VANGUARD GROUP INC
9.1%
view
B
2020-02-05 11:45:41.0
COSTAR GROUP
CSGP
BlackRock Inc
8.9%
view
B
2019-12-10 14:18:33.0
COSTAR GROUP
CSGP
PRICE T ROWE ASSOCIATES INC
11.1%
view
S
2019-02-14 13:49:04.0
COSTAR GROUP INC
CSGP
PRICE T ROWE ASSOCIATES INC
6.8%
view
S
2019-02-14 10:38:56.0
COSTAR GROUP INC
CSGP
BAMCO INC
6.73%
view
B
2019-02-13 15:59:42.0
COSTAR GROUP INC
CSGP
Winslow Capital Management
1.3%
view
S
2019-02-13 15:53:03.0
COSTAR GROUP INC
CSGP
Winslow Capital Management
1.3%
view
S
2019-02-12 09:38:11.0
COSTAR GROUP INC
CSGP
WELLINGTON MANAGEMENT GROUP LLP
4.67%
view
S
2019-02-11 17:49:12.0
COSTAR GROUP INC
CSGP
JANUS HENDERSON GROUP PLC
6.7%
view
B
2019-02-11 11:28:49.0
COSTAR GROUP INC
CSGP
VANGUARD GROUP INC
8.83%
view
B
2019-02-07 18:08:58.0
COSTAR GROUP INC
CSGP
BlackRock Inc
8.4%
view
B
2018-02-14 14:01:07.0
COSTAR GROUP INC
CSGP
PRICE T ROWE ASSOCIATES INC
7.9%
view
S
2018-02-14 08:52:35.0
COSTAR GROUP INC
CSGP
BAMCO INC
7.26%
view
S
2018-02-13 19:20:20.0
COSTAR GROUP INC
CSGP
Winslow Capital Management
1.84%
view
B
2018-02-13 16:02:28.0
COSTAR GROUP INC
CSGP
JANUS HENDERSON GROUP PLC
8.1%
view
S
2018-02-13 15:41:53.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
0.0%
view
B
2018-02-09 08:41:12.0
COSTAR GROUP INC
CSGP
VANGUARD GROUP INC
8.38%
view
B
2018-02-08 11:32:38.0
COSTAR GROUP INC
CSGP
WELLINGTON MANAGEMENT GROUP LLP
7.33%
view
B
2017-02-14 09:31:17.0
COSTAR GROUP INC
CSGP
BAMCO INC
9.2%
view
S
2017-02-13 14:47:30.0
COSTAR GROUP INC
CSGP
Winslow Capital Management
3.99%
view
B
2017-02-13 14:38:28.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
8.0%
view
B
2017-02-10 10:50:54.0
COSTAR GROUP INC
CSGP
VANGUARD GROUP INC
7.53%
view
S
2017-02-09 10:04:18.0
COSTAR GROUP INC
CSGP
WELLINGTON MANAGEMENT GROUP LLP
4.16%
view
S
2016-02-16 09:18:02.0
COSTAR GROUP INC
CSGP
BAMCO INC
8.85%
view
B
2016-02-11 11:20:53.0
COSTAR GROUP INC
CSGP
WELLINGTON MANAGEMENT GROUP LLP
9.42%
view
S
2016-02-10 17:57:53.0
COSTAR GROUP INC
CSGP
WELLS FARGO & COMPANY
4.98%
view
B
2016-02-10 08:58:40.0
COSTAR GROUP INC
CSGP
VANGUARD GROUP INC
6.43%
view
S
2016-02-01 14:06:18.0
COSTAR GROUP INC
CSGP
Winslow Capital Management
4.25%
view
B
2016-01-29 13:29:07.0
COSTAR GROUP INC
CSGP
WELLS FARGO & COMPANY
5.12%
view
S
2015-03-10 15:22:40.0
COSTAR GROUP INC
CSGP
WELLS FARGO & COMPANY
4.92%
view
B
2015-02-17 11:41:55.0
COSTAR GROUP INC
CSGP
BAMCO INC
8.93%
view
B
2015-02-11 12:32:06.0
COSTAR GROUP INC
CSGP
VANGUARD GROUP INC
5.79%
view
B
2015-02-10 14:33:39.0
COSTAR GROUP INC
CSGP
WELLS FARGO & COMPANY
5.15%
view
B
2015-02-05 10:13:49.0
COSTAR GROUP INC
CSGP
Winslow Capital Management
5.07%
view
B
2014-12-17 08:59:33.0
COSTAR GROUP INC
CSGP
Winslow Capital Management
4.98%
view
S
2014-07-10 15:59:06.0
COSTAR GROUP INC
CSGP
BlackRock Inc
3.2%
view
B
2014-02-14 11:08:25.0
COSTAR GROUP INC
CSGP
BAMCO INC
6.97%
view
B
2014-02-12 09:29:54.0
COSTAR GROUP INC
CSGP
VANGUARD GROUP INC
5.7%
view
S
2014-02-10 15:01:34.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
4.9%
view
S
2014-01-28 15:23:11.0
COSTAR GROUP INC
CSGP
BlackRock Inc
5.7%
view
S
2013-02-14 12:14:54.0
COSTAR GROUP INC
CSGP
BAMCO INC
6.9%
view
S
2013-02-13 09:22:22.0
COSTAR GROUP INC
CSGP
ALLIANCEBERNSTEIN L
4.8%
view
S
2013-02-13 09:15:31.0
COSTAR GROUP INC
CSGP
MORGAN STANLEY
3.3%
view
B
2013-02-12 12:42:16.0
COSTAR GROUP INC
CSGP
VANGUARD GROUP INC
5.25%
view
S
2013-02-11 11:02:41.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
5.1%
view
B
2013-02-08 11:27:29.0
COSTAR GROUP INC
CSGP
PRICE T ROWE ASSOCIATES INC
0.0%
view
B
2013-02-06 09:55:09.0
COSTAR GROUP INC
CSGP
BlackRock Inc
6.55%
view
S
2013-01-31 16:09:24.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
3.9%
view
S
2012-02-14 15:59:40.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
6.9%
view
S
2012-02-14 14:25:44.0
COSTAR GROUP INC
CSGP
DARUMA ASSET MANAGEMENT INC
3.41%
view
S
2012-02-14 09:44:25.0
COSTAR GROUP INC
CSGP
BAMCO INC
7.9%
view
B
2012-02-13 16:14:57.0
COSTAR GROUP INC
CSGP
ALLIANCEBERNSTEIN L
5.7%
view
B
2012-02-08 14:45:35.0
COSTAR GROUP INC
CSGP
PRICE T ROWE ASSOCIATES INC
0.0%
view
S
2012-02-08 11:13:33.0
COSTAR GROUP INC
CSGP
MORGAN STANLEY
7.0%
view
S
2012-02-08 09:38:36.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
7.6%
view
S
2012-01-20 14:49:26.0
COSTAR GROUP INC
CSGP
KORNITZER CAPITAL MANAGEMENT INC
4.31%
view
S
2011-06-10 13:23:26.0
COSTAR GROUP INC
CSGP
BlackRock Inc
4.38%
view
S
2011-02-14 14:49:05.0
COSTAR GROUP INC
CSGP
DARUMA ASSET MANAGEMENT INC
5.1%
view
B
2011-02-14 09:49:50.0
COSTAR GROUP INC
CSGP
BAMCO INC
8.96%
view
S
2011-02-14 06:46:23.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
7.0%
view
B
2011-02-09 16:46:39.0
COSTAR GROUP INC
CSGP
PRICE T ROWE ASSOCIATES INC
5.6%
view
B
2011-02-09 14:26:25.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
8.2%
view
S
2011-02-09 12:49:22.0
COSTAR GROUP INC
CSGP
MORGAN STANLEY
9.1%
view
B
2011-02-03 17:19:52.0
COSTAR GROUP INC
CSGP
BlackRock Inc
5.25%
view
B
2011-01-21 10:07:25.0
COSTAR GROUP INC
CSGP
KORNITZER CAPITAL MANAGEMENT INC
6.25%
view
B
2010-02-16 15:46:32.0
COSTAR GROUP INC
CSGP
DARUMA ASSET MANAGEMENT INC
12.0%
view
B
2010-02-16 12:48:07.0
COSTAR GROUP INC
CSGP
FMR LLC
3.061%
view
S
2010-02-16 12:22:29.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
7.5%
view
S
2010-02-12 13:11:52.0
COSTAR GROUP INC
CSGP
MORGAN STANLEY
10.2%
view
S
2010-02-09 14:50:11.0
COSTAR GROUP INC
CSGP
BlackRock Inc
4.99%
view
B
2010-02-09 11:03:45.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
7.7%
view
S
2010-02-04 10:23:42.0
COSTAR GROUP INC
CSGP
BAMCO INC
8.7%
view
B
2010-01-29 14:41:06.0
COSTAR GROUP INC
CSGP
BlackRock Inc
5.07%
view
S
2009-02-17 15:34:51.0
COSTAR GROUP INC
CSGP
MORGAN STANLEY
11.1%
view
B
2009-02-17 14:17:51.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
7.9%
view
B
2009-02-12 14:58:38.0
COSTAR GROUP INC
CSGP
BAMCO INC
9.8%
view
S
2009-02-09 14:35:07.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
7.1%
view
S
2009-02-04 16:18:16.0
COSTAR GROUP INC
CSGP
WADDELL & REED FINANCIAL INC
5.8%
view
S
2009-01-09 14:02:35.0
COSTAR GROUP INC
CSGP
FEDERATED INVESTORS INC
3.52%
view
S
2008-12-10 15:21:51.0
COSTAR GROUP INC
CSGP
FMR LLC
n/a
view
S
2008-11-10 17:37:24.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
7.2%
view
S
2008-10-08 10:06:41.0
COSTAR GROUP INC
CSGP
TRANSAMERICA INVESTMENT MANAGEMENT LLC
1.56%
view
B
2008-02-14 17:19:53.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
12.3%
view
S
2008-02-14 16:04:47.0
COSTAR GROUP INC
CSGP
MORGAN STANLEY
12.7%
view
B
2008-02-13 19:43:59.0
COSTAR GROUP INC
CSGP
TRANSAMERICA INVESTMENT MANAGEMENT LLC
6.94%
view
S
2008-02-13 18:17:42.0
COSTAR GROUP INC
CSGP
BAMCO INC
9.6%
view
B
2008-02-13 15:39:56.0
COSTAR GROUP INC
CSGP
FEDERATED INVESTORS INC
8.32%
view
B
2008-02-01 16:16:44.0
COSTAR GROUP INC
CSGP
WADDELL & REED FINANCIAL INC
12.0%
view
S
2008-01-30 18:51:29.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
7.2%
view
B
2007-09-10 15:11:59.0
COSTAR GROUP INC
CSGP
MORGAN STANLEY
12.8%
view
B
2007-04-10 16:48:46.0
COSTAR GROUP INC
CSGP
FMR CORP
n/a
view
S
2007-02-14 15:54:13.0
COSTAR GROUP INC
CSGP
NEXT CENTURY GROWTH INVESTORS LLC
2.4%
view
S
2007-02-14 12:59:50.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
10.0%
view
B
2007-02-14 10:51:44.0
COSTAR GROUP INC
CSGP
BAMCO INC
9.9%
view
B
2007-02-13 13:51:53.0
COSTAR GROUP INC
CSGP
FEDERATED INVESTORS INC
7.38%
view
B
2007-02-12 19:44:39.0
COSTAR GROUP INC
CSGP
TRANSAMERICA INVESTMENT MANAGEMENT LLC
5.09%
view
B
2007-02-09 09:43:17.0
COSTAR GROUP INC
CSGP
TimesSquare Capital Management
7.3%
view
S
2007-02-09 06:35:24.0
COSTAR GROUP INC
CSGP
WADDELL & REED FINANCIAL INC
6.8%
view
S
2006-07-07 00:00:00.0
COSTAR GROUP INC
CSGP
KLEIN MICHAEL R
4.9%
view
S
2006-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
10.9%
view
B
2006-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
NEXT CENTURY GROWTH INVESTORS LLC
5.2%
view
B
2006-02-13 00:00:00.0
COSTAR GROUP INC
CSGP
BAMCO INC
9.2%
view
B
2006-02-01 00:00:00.0
COSTAR GROUP INC
CSGP
WADDELL & REED FINANCIAL INC
7.7%
view
B
2005-11-10 00:00:00.0
COSTAR GROUP INC
CSGP
JANUS CAPITAL MANAGEMENT LLC
10.9%
view
S
2005-02-15 00:00:00.0
COSTAR GROUP INC
CSGP
BROWN INVESTMENT ADVISORY & TRUST CO
4.5%
view
B
2005-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
CHILTON INVESTMENT CO INC
12.0%
view
S
2005-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
KERN CAPITAL MANAGEMENT LLC
4.3%
view
B
2005-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GUARDIAN TRUST CO
0.3%
view
S
2004-02-17 00:00:00.0
COSTAR GROUP INC
CSGP
DEUTSCHE BANK AG
3.9%
view
B
2004-02-13 00:00:00.0
COSTAR GROUP INC
CSGP
BROWN INVESTMENT ADVISORY & TRUST CO
5.1%
view
S
2004-02-13 00:00:00.0
COSTAR GROUP INC
CSGP
KERN CAPITAL MANAGEMENT LLC
5.0%
view
S
2004-02-13 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GROUP INTERNATIONAL INC
5.6%
view
S
2003-12-10 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GROUP INTERNATIONAL INC
6.7%
view
B
2003-11-10 00:00:00.0
COSTAR GROUP INC
CSGP
CHILTON INVESTMENT CO INC
6.3%
view
B
2003-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
BROWN INVESTMENT ADVISORY & TRUST CO
1.7%
view
B
2003-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
KERN CAPITAL MANAGEMENT LLC
7.8%
view
B
2003-02-12 00:00:00.0
COSTAR GROUP INC
CSGP
DEUTSCHE BANK AG
9.4%
view
S
2003-02-11 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GROUP INTERNATIONAL INC
11.8%
view
B
2002-03-08 00:00:00.0
COSTAR GROUP INC
CSGP
BROWN INVESTMENT ADVISORY & TRUST CO
1.4%
view
B
2002-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GROUP INTERNATIONAL INC
13.5%
view
B
2002-02-14 00:00:00.0
COSTAR GROUP INC
CSGP
KERN CAPITAL MANAGEMENT LLC
6.9%
view
S
2002-02-01 00:00:00.0
COSTAR GROUP INC
CSGP
SCUDDER KEMPER INVESTMENTS INC
n/a
view
B
2001-03-21 00:00:00.0
COSTAR GROUP INC
CSGP
SCUDDER KEMPER INVESTMENTS INC
n/a
view
S
2001-02-16 00:00:00.0
COSTAR GROUP INC
CSGP
STANDISH AYER & WOOD INC
3.28%
view
B
2001-02-12 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GROUP INTERNATIONAL INC
13.0%
view
B
2001-02-09 00:00:00.0
COSTAR GROUP INC
CSGP
KERN CAPITAL MANAGEMENT LLC
5.3%
view
B
2000-09-08 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GROUP INTERNATIONAL INC
12.1%
view
S
2000-07-18 00:00:00.0
COSTAR GROUP INC
CSGP
SELIGMAN J & W & CO INC
4.88%
view
S
2000-03-10 00:00:00.0
COSTAR GROUP INC
CSGP
FLORANCE ANDREW C
3.8%
view
S
2000-03-10 00:00:00.0
COSTAR GROUP INC
CSGP
BONDERMAN DAVID
2.9%
view
S
2000-02-23 00:00:00.0
COSTAR GROUP INC
CSGP
KLEIN MICHAEL R
11.9%
view
B
2000-02-15 00:00:00.0
COSTAR GROUP INC
CSGP
CAPITAL GROUP INTERNATIONAL INC
8.1%
view
B
2000-02-10 00:00:00.0
COSTAR GROUP INC
CSGP
SELIGMAN J & W & CO INC
8.5%
view
B
2000-02-09 00:00:00.0
COSTAR GROUP INC
CSGP
STANDISH AYER & WOOD INC
5.54%
view
S
1999-10-19 00:00:00.0
COSTAR GROUP INC
CSGP
FOUNDERS RIG LLC
0.0%
view
B
1999-04-29 00:00:00.0
REALTY INFORMATION GROUP INC
CSGP
GRUBER & MCBAINE CAPITAL MANAGEMENT LLC
4.82%
view
B
1998-07-20 00:00:00.0
REALTY INFORMATION GROUP INC
CSGP
FOUNDERS RIG LLC
13.9%
view
B
1998-07-17 00:00:00.0
REALTY INFORMATION GROUP INC
CSGP
KLEIN MICHAEL R
25.6%
view
B
1998-07-16 00:00:00.0
REALTY INFORMATION GROUP INC
CSGP
FLORANCE ANDREW C
5.9%
view
B
1998-07-16 00:00:00.0
REALTY INFORMATION GROUP INC
CSGP
BONDERMAN DAVID
5.36%
view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.