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COSTAR GROUP, INC. hedge fund holdings

CSGPNASDAQ
$27.38-0.34 (-1.23%)as of Oct 2, 2026

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

CSGP · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-67.4%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 2025288254$1.79B$2.18B825Aug 14, 2025
Q3 2025311219$1.95B$2.45B859Nov 14, 2025
Q4 2025222415$3.05B$2.91B798Feb 14, 2026
Q1 2026338326$2.52B$2.36B750May 15, 2026
Q2 2026328313$1.75B$1.95B709Aug 14, 2026

Quarterly action breakdown

Q2 2026
709 filers
New position
92
$327M+11.5M sh
Increased
236
$1.42B+50.2M sh
Reduced
193
-$1.69B-59.6M sh
Out / sold
120
-$268M-9.48M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
EdgePoint Investment Group Inc.New Buy+$169M$169M1.27%Aug 14, 2026
Bamco IncAdded 32.56%+$150M$612M0.92%Aug 14, 2026
Polen Capital Management LLCReduce 30.32%-$108M$248M2.14%Aug 4, 2026
Tiger Global Management LLCSell 100%-$60.5M$00.00%Aug 14, 2026
Meritage Group LPAdded 62.04%+$58.5M$153M5.89%Aug 13, 2026
Massachusetts Financial Services CoAdded 212.10%+$57.4M$84.5M0.03%Aug 3, 2026
Greenhouse Funds LLLPSell 100%-$55.6M$00.00%Aug 14, 2026
Capitolis Liquid Global Markets LLCSell 100%-$54.7M$00.00%Aug 13, 2026
Spyglass Capital Management LLCAdded 142.50%+$44.8M$76.3M4.13%Aug 14, 2026
Akre Capital Management LLCAdded 13.06%+$38.3M$331M6.47%Aug 14, 2026
Erste Asset Management GmbHAdded 277.78%+$36.7M$49.8M0.39%Jul 28, 2026
Tremblant Capital GroupReduce 84.83%-$36.2M$6.47M0.19%Aug 14, 2026
Stephens Investment Management Group LLCSell 100%-$35.2M$00.00%Jul 29, 2026
Corvex Management LPSell 100%-$34.4M$00.00%Aug 14, 2026
Capital International InvestorsAdded 7.28%+$32M$471M0.10%Aug 12, 2026
Thompson Siegel & Walmsley LLCAdded 183.47%+$32M$49.4M0.89%Aug 11, 2026
Fiera Capital CorpAdded 225.27%+$30.7M$44.4M0.16%Aug 7, 2026
Capital Fund Management S.A.Added 1847.50%+$24.3M$25.6M0.11%Aug 13, 2026
Beck Mack & Oliver LLCReduce 28.79%-$23.9M$59M1.15%Aug 14, 2026
First Trust Advisors LPReduce 96.87%-$23M$744K0.00%Aug 11, 2026
Rush Island Management, LPSell 100%-$19.5M$00.00%Aug 14, 2026
National Pension ServiceReduce 93.99%-$18.7M$1.2M0.00%Aug 13, 2026
Chicago Capital, LLCReduce 50.08%-$15M$14.9M0.36%Jul 28, 2026
Korea Investment CORPAdded 279.83%+$14.6M$19.8M0.04%Aug 12, 2026
United Asset Strategies, Inc.New Buy+$13.8M$13.8M0.98%Jul 13, 2026
ShawSpring Partners LLCSell 100%-$13.7M$00.00%Aug 14, 2026
Canada Pension Plan Investment BoardAdded 23.41%+$13.3M$70.3M0.04%Aug 14, 2026
BNP PARIBAS ASSET MANAGEMENT Holding S.A.Added 17.24%+$13.1M$88.9M0.09%Aug 13, 2026
Baillie Gifford & CoReduce 3.36%-$12.9M$373M0.34%Aug 6, 2026
Foster Victor Wealth Advisors, LLCSell 100%-$12.8M$00.00%Jul 22, 2026
Van Eck Associates CorpReduce 11.49%-$11.3M$87.2M0.05%Aug 14, 2026
Mizuho Markets Americas LLCSell 100%-$11.1M$00.00%Jul 24, 2026
Douglas Lane & Associates, LLCAdded 45.41%+$10.3M$33.1M0.45%Jul 14, 2026
Ensign Peak Advisors, IncReduce 13.20%-$10.2M$67.2M0.11%Aug 14, 2026
FIL LtdReduce 96.88%-$9.32M$300K0.00%Aug 13, 2026
Nicholas Company, Inc.Sell 100%-$8.64M$00.00%Aug 5, 2026
DF Dent & Co IncReduce 17.83%-$8.1M$37.4M0.71%Aug 14, 2026
Fayez Sarofim & CoReduce 75.56%-$8.02M$2.59M0.01%Aug 17, 2026
Ycg, LLCSell 100%-$7.91M$00.00%Aug 13, 2026
Ardmore Road Asset Management LPReduce 41.50%-$7.84M$11M0.65%Aug 14, 2026
Cortland Associates IncSell 100%-$7.3M$00.00%Jul 28, 2026
Rafferty Asset Management, LLCReduce 83.45%-$7.26M$1.44M0.00%Aug 14, 2026
Royal London Asset Management LtdReduce 56.61%-$6.92M$5.31M0.01%Aug 13, 2026
Blair William & CoReduce 26.90%-$6.86M$18.6M0.05%Aug 11, 2026
Quantinno Capital Management LPAdded 69.92%+$6.74M$16.4M0.02%Aug 13, 2026
NZS Capital, LLCReduce 32.97%-$6.62M$13.5M0.35%Aug 14, 2026
Jupiter Asset Management LtdReduce 58.87%-$6.26M$4.38M0.02%Aug 10, 2026
Motley Fool Wealth Management, LLCSell 100%-$6.17M$00.00%Aug 6, 2026
Voloridge Investment Management, LLCAdded 16.06%+$6.05M$43.7M0.19%Aug 14, 2026
NEOS Investment Management LLCReduce 54.60%-$5.64M$4.69M0.02%Aug 11, 2026
FORA Capital, LLCAdded 75.98%+$5.42M$12.6M0.86%Aug 13, 2026
Gotham Asset Management, LLCAdded 42.27%+$5.35M$18M0.04%Aug 14, 2026
OMERS ADMINISTRATION CorpAdded 861.56%+$5.27M$5.89M0.04%Aug 13, 2026
EVR Research LPSell 100%-$5.24M$00.00%Aug 13, 2026
Kornitzer Capital Management IncReduce 85.03%-$5M$881K0.02%Jul 31, 2026
Mitsubishi UFJ Trust & Banking CorpAdded 40.86%+$4.9M$16.9M0.04%Aug 6, 2026
Prana Capital Management, LPReduce 30.83%-$4.5M$10.1M0.31%Aug 14, 2026
Catalyst Funds Management Pty LtdNew Buy+$4.48M$4.48M0.25%Aug 10, 2026
Public Employees Retirement Association of ColoradoReduce 77.67%-$4M$1.15M0.00%Aug 11, 2026
Jefferies Financial Group Inc.Added 1347.36%+$3.92M$4.21M0.03%Aug 17, 2026
DNB Asset Management ASAdded 156.93%+$3.92M$6.42M0.02%Aug 11, 2026
Riverbridge Partners LLCReduce 11.07%-$3.85M$30.9M0.86%Jul 13, 2026
Holocene Advisors, LPAdded 132.51%+$3.49M$6.12M0.01%Aug 14, 2026
Solidarity Wealth, LLCSell 100%-$3.28M$00.00%Jul 31, 2026
Twinbeech Capital LPReduce 90.17%-$3.27M$357K0.06%Aug 14, 2026
Healthcare of Ontario Pension Plan Trust FundReduce 81.33%-$3.15M$723K0.00%Aug 13, 2026
USS Investment Management LtdSell 100%-$3.14M$00.00%Aug 11, 2026
Qsemble Capital Management, LPAdded 306.54%+$3.07M$4.07M0.52%Aug 3, 2026
Edgestream Partners, L.P.Sell 100%-$3M$00.00%Aug 11, 2026
Blue Zone Wealth Advisors, LLCSell 100%-$2.88M$00.00%Jul 14, 2026
Fideuram Asset Management (Ireland) dacAdded 367.76%+$2.84M$3.61M0.07%Jul 23, 2026
American Capital Management IncReduce 12.14%-$2.84M$20.5M0.92%Aug 14, 2026
Pictet Asset Management Holding SAAdded 7.19%+$2.79M$41.7M0.04%Jul 30, 2026
PensionDanmark PensionsforsikringsaktieselskabReduce 71.39%-$2.79M$1.12M0.01%Jul 8, 2026
Lighthouse Investment Partners, LLCReduce 44.21%-$2.75M$3.47M0.09%Aug 14, 2026
Elo Mutual Pension Insurance CoNew Buy+$2.67M$2.67M0.03%Aug 13, 2026
Weitz Investment Management, Inc.Reduce 18.15%-$2.66M$12M0.83%Aug 12, 2026
Odyssean, LLCNew Buy+$2.56M$2.56M0.42%Aug 14, 2026
Exchange Traded Concepts, LLCReduce 98.64%-$2.36M$32.6K0.00%Aug 11, 2026
Swedbank ABAdded 83.88%+$2.35M$5.15M0.00%Jul 15, 2026
Americana Partners, LLCSell 100%-$2.32M$00.00%Aug 5, 2026
Ironvine Capital Partners, LLCReduce 21.54%-$2.29M$8.34M0.78%Aug 10, 2026
CIBC Asset Management IncReduce 44.16%-$2.21M$2.8M0.01%Aug 3, 2026
Oppenheimer Asset Management Inc.Reduce 22.55%-$2.19M$7.52M0.08%Aug 3, 2026
Guggenheim Capital LLCReduce 86.46%-$2.16M$339K0.00%Aug 12, 2026
S.E.E.D. Planning Group LLCAdded 33.21%+$2.06M$8.26M2.18%Aug 4, 2026
Graham Capital Management, L.P.Added 338.62%+$2.05M$2.65M0.05%Aug 14, 2026
iA Global Asset Management Inc.Sell 100%-$2.03M$00.00%Jul 29, 2026
CenterBook Partners LPNew Buy+$2.02M$2.02M0.10%Aug 11, 2026
Nomura Asset Management International Inc.Added 2.97%+$1.96M$68.1M0.10%Aug 14, 2026
Delta Global Management LPNew Buy+$1.93M$1.93M0.21%Aug 13, 2026
Tsai Capital CorpAdded 29.77%+$1.91M$8.33M6.16%Aug 13, 2026
Bastion Asset Management Inc.New Buy+$1.87M$1.87M0.63%Aug 10, 2026
APG Asset Management N.V.Added 35.68%+$1.86M$7.07M0.02%Aug 12, 2026
CANADA LIFE ASSURANCE CoReduce 27.54%-$1.84M$4.85M0.01%Aug 13, 2026
Sone Capital Management, LLCAdded 34.26%+$1.84M$7.2M0.55%Aug 14, 2026
MirovaReduce 81.64%-$1.82M$408K0.02%Aug 13, 2026
Louisbourg Investments Inc.Added 46.41%+$1.74M$5.5M1.01%Jul 23, 2026
Nissay Asset Management Corp /JapanReduce 51.87%-$1.73M$1.61M0.01%Aug 14, 2026
Oak Thistle LLCReduce 71.53%-$1.72M$684K0.07%Jul 21, 2026

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