We are live on ! Find out more
CSGP icon

CoStar Group

791 hedge funds and large institutions have $16.4B invested in CoStar Group in 2026 Q1 according to their latest regulatory filings, with 125 funds opening new positions, 307 increasing their positions, 276 reducing their positions, and 164 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

24% less first-time investments, than exits

New positions opened: 125 | Existing positions closed: 164

41% less capital invested

Capital invested by funds: $27.8B → $16.4B (-$11.3B)

59% less funds holding in top 10

Funds holding in top 10: 177 (-10)

Holders
791
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$142M
Puts
$39.3M
Net Calls
Net Calls Change

Top Sellers

1 -$302M
2 -$233M
3 -$216M
4
TP
Third Point
New York
-$213M
5
BAMCO Inc
BAMCO Inc
New York
-$166M
Name Holding Trade Value Shares
Change
Change in
Stake
MF
476
Magnetar Financial
Illinois
$400K
PCP
477
Perbak Capital Partners
United Kingdom
$400K
NICM
478
Neo Ivy Capital Management
New York
$399K
Capstone Investment Advisors
479
Capstone Investment Advisors
New York
$388K
TSS
480
Two Sigma Securities
New York
$388K
NB
481
Nicolet Bankshares
Wisconsin
$388K
BHCM
482
Brevan Howard Capital Management
Jersey
$383K
HBT
483
Hills Bank & Trust
Iowa
$381K
AWAU
484
Alliance Wealth Advisors (Utah)
Utah
$379K
PFM
485
Potomac Fund Management
Florida
$379K
DC
486
Davenport & Co
Virginia
$375K
LNWTC
487
Laird Norton Wetherby Trust Company
Washington
$371K
BPA
488
Beacon Pointe Advisors
California
$366K
WA
489
Wealth Alliance
New York
$365K
COI
490
Connable Office Inc
Michigan
$363K
CG
491
Caprock Group
Idaho
$362K
GI
492
GAMMA Investing
California
$362K
VI
493
Vestcor Inc
New Brunswick, Canada
$361K
PP
494
Patten & Patten
Tennessee
$353K
VFA
495
Voya Financial Advisors
Connecticut
$349K
Assenagon Asset Management
496
Assenagon Asset Management
Luxembourg
$347K
PIM
497
Plato Investment Management
Australia
$346K
HCM
498
Hillman Capital Management
Maryland
$345K
SL
499
Sentinus LLC
Illinois
$341K
FPAS
500
Focus Partners Advisor Solutions
Missouri
$337K