Granahan Investment Management LLC Has $6.18 Million Position in CoStar Group, Inc. $CSGP

Posted by Geri Gentry on Jun 17th, 2026

Granahan Investment Management LLC lowered its stake in CoStar Group, Inc. (NASDAQ:CSGP – Free Report) by 66.0% in the fourth quarter, according to the company in its most recent disclosure with the Securities and Exchange Commission (SEC). The institutional investor owned 91,929 shares of the technology company’s stock after selling 178,237 shares during the period. Granahan Investment Management LLC’s holdings in CoStar Group were worth $6,181,000 at the end of the most recent quarter.

A number of other hedge funds and other institutional investors have also modified their holdings of CSGP. Integrated Wealth Concepts LLC boosted its stake in CoStar Group by 9.8% in the first quarter. Integrated Wealth Concepts LLC now owns 4,789 shares of the technology company’s stock valued at $379,000 after acquiring an additional 426 shares during the last quarter. NewEdge Advisors LLC boosted its stake in CoStar Group by 727.5% in the first quarter. NewEdge Advisors LLC now owns 1,473 shares of the technology company’s stock valued at $117,000 after acquiring an additional 1,295 shares during the last quarter. Jones Financial Companies Lllp boosted its stake in CoStar Group by 860.7% in the first quarter. Jones Financial Companies Lllp now owns 12,691 shares of the technology company’s stock valued at $1,006,000 after acquiring an additional 11,370 shares during the last quarter. Empowered Funds LLC boosted its stake in CoStar Group by 9.2% in the first quarter. Empowered Funds LLC now owns 7,941 shares of the technology company’s stock valued at $629,000 after acquiring an additional 666 shares during the last quarter. Finally, Woodline Partners LP boosted its stake in CoStar Group by 44.6% in the first quarter. Woodline Partners LP now owns 35,604 shares of the technology company’s stock valued at $2,821,000 after acquiring an additional 10,984 shares during the last quarter. Institutional investors and hedge funds own 96.60% of the company’s stock.

Wall Street Analyst Weigh In

A number of brokerages have issued reports on CSGP. Citigroup reduced their price objective on shares of CoStar Group from $100.00 to $70.00 and set a “buy” rating on the stock in a research note on Thursday, April 23rd. Weiss Ratings reaffirmed a “sell (d)” rating on shares of CoStar Group in a research note on Friday, March 27th. JPMorgan Chase & Co. reduced their price objective on shares of CoStar Group from $82.00 to $70.00 and set an “overweight” rating on the stock in a research note on Wednesday, April 29th. Keefe, Bruyette & Woods reduced their price objective on shares of CoStar Group from $57.00 to $50.00 and set an “outperform” rating on the stock in a research note on Wednesday, April 29th. Finally, The Goldman Sachs Group reduced their price objective on shares of CoStar Group from $63.00 to $54.00 and set a “buy” rating on the stock in a research note on Thursday, April 30th. Thirteen investment analysts have rated the stock with a Buy rating, five have issued a Hold rating and two have given a Sell rating to the company. Based on data from MarketBeat, the company currently has an average rating of “Moderate Buy” and an average price target of $55.33.

Get Our Latest Research Report on CoStar Group

Insiders Place Their Bets

In other CoStar Group news, CEO Andrew C. Florance bought 71,430 shares of CoStar Group stock in a transaction on Friday, May 1st. The shares were purchased at an average cost of $35.20 per share, for a total transaction of $2,514,336.00. Following the completion of the acquisition, the chief executive officer owned 1,722,865 shares in the company, valued at approximately $60,644,848. The trade was a 4.33% increase in their position. The acquisition was disclosed in a filing with the SEC, which is available at the SEC website. Corporate insiders own 1.18% of the company’s stock.

CoStar Group Stock Performance

CSGP stock opened at $31.97 on Wednesday. The business’s 50-day moving average price is $35.01 and its two-hundred day moving average price is $48.58. The company has a current ratio of 2.20, a quick ratio of 2.20 and a debt-to-equity ratio of 0.13. The firm has a market cap of $13.06 billion, a PE ratio of 532.92, a P/E/G ratio of 0.82 and a beta of 0.72. CoStar Group, Inc. has a 1-year low of $31.35 and a 1-year high of $97.43.

CoStar Group (NASDAQ:CSGP – Get Free Report) last posted its earnings results on Tuesday, April 28th. The technology company reported $0.23 earnings per share for the quarter, topping the consensus estimate of $0.18 by $0.05. The firm had revenue of $897.00 million for the quarter, compared to analyst estimates of $896.73 million. CoStar Group had a return on equity of 2.90% and a net margin of 0.74%.The company’s revenue for the quarter was up 22.5% on a year-over-year basis. During the same period in the previous year, the company posted ($0.04) earnings per share. CoStar Group has set its Q2 2026 guidance at 0.270-0.300 EPS and its FY 2026 guidance at 1.320-1.390 EPS. As a group, research analysts forecast that CoStar Group, Inc. will post 1.03 earnings per share for the current year.

CoStar Group Company Profile

(Free Report)

CoStar Group, Inc is a provider of information, analytics and online marketplaces for the commercial real estate industry. The company gathers property-level data, builds market analytics and supplies research tools used by brokers, owners, lenders, investors and other real estate professionals to evaluate markets, track inventory and manage listings. CoStar’s offerings are delivered primarily through subscription-based platforms that combine proprietary databases, mapping and workflow applications to support decision-making across the property life cycle.

In addition to its core CoStar research service, the company operates prominent online listing and marketing platforms that connect buyers, sellers, tenants and brokers.