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CoStar Group

856 hedge funds and large institutions have $34B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 376 increasing their positions, 264 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

183% more call options, than puts

Call options by funds: $337M | Put options by funds: $119M

85% more first-time investments, than exits

New positions opened: 139 | Existing positions closed: 75

44% more funds holding in top 10

Funds holding in top 10: 1623 (+7)

42% more repeat investments, than reductions

Existing positions increased: 376 | Existing positions reduced: 264

18% more capital invested

Capital invested by funds: $28.9B → $34B (+$5.08B)

7% more funds holding

Funds holding: 803856 (+53)

3.29% more ownership

Funds ownership: 98.4%101.68% (+3.3%)

Holders
856
Holders Change
+53
Holders Change %
+6.6%
% of All Funds
11.48%
Holding in Top 10
23
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+43.75%
% of All Funds
0.31%
New
139
Increased
376
Reduced
264
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M
Name Holding Trade Value Shares
Change
Change in
Stake
BMSSC
426
B. Metzler seel. Sohn & Co
Germany
$1.23M -$56.7K -745 -5%
CCA
427
Conestoga Capital Advisors
Pennsylvania
$1.23M +$23.6K +310 +2%
CM
428
Caption Management
Oklahoma
$1.22M +$1.18M +15,448 New
P
429
&Partners
Tennessee
$1.2M +$263K +3,454 +30%
PM
430
Phraction Management
Connecticut
$1.19M +$364K +4,785 +47%
SC
431
Sapient Capital
Indiana
$1.18M -$16.4K -216 -1%
ECM
432
EagleClaw Capital Management
Massachusetts
$1.14M -$87.5K -1,150 -7%
DCM
433
Davis Capital Management
Florida
$1.14M +$74.6K +981 +7%
GBT
434
Grove Bank & Trust
Florida
$1.12M +$26.5K +348 +3%
LA
435
Legacy Advisors
Pennsylvania
$1.12M -$10.1K -133 -0.9%
Osaic Holdings
436
Osaic Holdings
Arizona
$1.11M -$90.1K -1,184 -8%
RWB
437
RMR Wealth Builders
New Jersey
$1.1M -$1.9K -25 -0.2%
CPIG
438
Chicago Partners Investment Group
Illinois
$1.09M +$33.3K +438 +3%
BF
439
BOK Financial
Oklahoma
$1.09M -$125K -1,640 -11%
CT
440
Chicago Trust
Illinois
$1.07M -$118K -1,545 -10%
TMAM
441
Tokio Marine Asset Management
Japan
$1.07M +$105K +1,380 +11%
NMIMC
442
Northwestern Mutual Investment Management Company
Wisconsin
$1.06M +$29.4K +387 +3%
BB
443
Bell Bank
North Dakota
$1.06M -$342K -4,489 -25%
GC
444
Guidance Capital
Kentucky
$1.06M +$118K +1,552 +13%
AI
445
ArchPoint Investors
Florida
$1.04M +$1M +13,174 New
PWAM
446
Papamarkou Wellner Asset Management
New York
$1.04M -$2.28K -30 -0.2%
BAMF
447
BI Asset Management Fondsmaeglerselskab
Denmark
$1.04M -$441K -5,801 -31%
SSG
448
Summit Securities Group
New York
$1.03M +$680K +8,935 +220%
YC
449
Yarbrough Capital
Tennessee
$1.01M -$1.91M -25,140 -66%
RCG
450
Regatta Capital Group
California
$1,000K +$22.9K +301 +2%