Mackenzie Financial Corp Has $138.87 Million Stake in CoStar Group, Inc. $CSGP

Mackenzie Financial Corp reduced its stake in shares of CoStar Group, Inc. (NASDAQ:CSGP) by 11.7% during the 3rd quarter, according to the company in its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The institutional investor owned 1,645,936 shares of the technology company’s stock after selling 217,789 shares during the period. Mackenzie Financial Corp owned 0.39% of CoStar Group worth $138,868,000 at the end of the most recent quarter.

Other institutional investors and hedge funds also recently made changes to their positions in the company. Franklin Resources Inc. boosted its stake in shares of CoStar Group by 8.6% during the 3rd quarter. Franklin Resources Inc. now owns 3,736,949 shares of the technology company’s stock worth $315,286,000 after acquiring an additional 297,045 shares in the last quarter. Magnetar Financial LLC bought a new position in shares of CoStar Group in the 3rd quarter valued at approximately $833,000. Quadrant Capital Group LLC acquired a new stake in CoStar Group in the 3rd quarter worth approximately $211,000. Tsai Capital Corp boosted its position in CoStar Group by 0.5% during the third quarter. Tsai Capital Corp now owns 58,899 shares of the technology company’s stock worth $4,969,000 after purchasing an additional 316 shares during the period. Finally, Capital Research Global Investors boosted its position in CoStar Group by 27.0% during the third quarter. Capital Research Global Investors now owns 4,993,854 shares of the technology company’s stock worth $421,330,000 after purchasing an additional 1,062,452 shares during the period. Institutional investors and hedge funds own 96.60% of the company’s stock.

Key Stories Impacting CoStar Group

Here are the key news stories impacting CoStar Group this week:

• Positive Sentiment: Director Louise Sams purchased 1,000 shares, signaling insider confidence. Insider Form 4
• Positive Sentiment: Zacks upgraded CSGP from “strong sell” to “hold”, a mild vote of support from an independent research shop. Zacks Research
• Positive Sentiment: Management has a $1.5B buyback authorization (announced Jan. 7), which can support the stock and offset selling pressure.
• Neutral Sentiment: CoStar has publicly pushed back on D. E. Shaw’s claims with corrections and rebuttals — this clarifies the company’s position but doesn’t eliminate investor questions. CoStar Corrects D.E. Shaw Claims Investing.com Coverage
• Neutral Sentiment: Analyst coverage remains mixed: consensus is a “Moderate Buy” with an average target ~ $73, but several firms have cut targets recently — keeps outlook mixed.
• Neutral Sentiment: Short-interest reporting shows inconsistent feeds (some notices list 0 shares due to data errors). Investors should rely on the verified Feb 27 filing for accurate figures.
• Negative Sentiment: Activist investor D. E. Shaw released an open letter criticizing CoStar’s decision to reconfigure reporting segments, saying it reduces transparency and masks underperformance (Homes.com focus). That letter is driving headline risk and investor concern. D. E. Shaw Open Letter
• Negative Sentiment: Short interest rose materially in late February to ~26.15M shares (up ~35% vs. mid‑Feb), about 6.3% of shares outstanding and ~3.7 days-to-cover — increased bearish positioning can amplify downside pressure.
• Negative Sentiment: Critical media pieces (e.g., coverage questioning Homes.com performance) add reputational risk and may amplify selling amid the activist campaign. TheStreet Homes.com Critique

Analyst Upgrades and Downgrades

A number of research firms have recently commented on CSGP. Robert W. Baird set a $73.00 price target on shares of CoStar Group in a research report on Wednesday, February 25th. Citizens Jmp decreased their price objective on shares of CoStar Group from $78.00 to $73.00 and set a “market outperform” rating for the company in a report on Wednesday, February 25th. BTIG Research set a $60.00 target price on shares of CoStar Group and gave the company a “buy” rating in a research note on Thursday, February 26th. Keefe, Bruyette & Woods dropped their target price on shares of CoStar Group from $75.00 to $70.00 and set an “outperform” rating on the stock in a report on Wednesday, February 25th. Finally, Deutsche Bank Aktiengesellschaft set a $68.00 target price on shares of CoStar Group in a research report on Thursday, January 8th. One analyst has rated the stock with a Strong Buy rating, eleven have given a Buy rating, five have given a Hold rating and two have assigned a Sell rating to the company’s stock. According to MarketBeat, the company currently has a consensus rating of “Moderate Buy” and a consensus target price of $73.35.

CoStar Group Stock Down 2.1%

Shares of CSGP stock opened at $45.34 on Thursday. CoStar Group, Inc. has a 12 month low of $43.16 and a 12 month high of $97.43. The firm has a market cap of $19.03 billion, a PE ratio of 4,538.54, a price-to-earnings-growth ratio of 1.24 and a beta of 0.89. The stock has a 50 day moving average of $55.23 and a 200-day moving average of $68.47. The company has a quick ratio of 2.84, a current ratio of 2.84 and a debt-to-equity ratio of 0.12.

CoStar Group (NASDAQ:CSGP) last posted its quarterly earnings data on Tuesday, February 24th. The technology company reported $0.31 earnings per share for the quarter, beating the consensus estimate of $0.27 by $0.04. The company had revenue of $900.00 million during the quarter, compared to analysts’ expectations of $892.22 million. CoStar Group had a return on equity of 2.53% and a net margin of 0.23%.CoStar Group’s revenue for the quarter was up 26.9% compared to the same quarter last year. During the same period in the prior year, the business earned $0.26 earnings per share. CoStar Group has set its Q1 2026 guidance at 0.160-0.190 EPS. On average, equities analysts predict that CoStar Group, Inc. will post 0.94 EPS for the current year.

CoStar Group declared that its board has initiated a stock repurchase program on Wednesday, January 7th that authorizes the company to buyback $1.50 billion in outstanding shares. This buyback authorization authorizes the technology company to reacquire up to 5.3% of its stock through open market purchases. Stock buyback programs are often an indication that the company’s board believes its stock is undervalued.

Insider Buying and Selling

In related news, Director Louise S. Sams bought 1,000 shares of the business’s stock in a transaction that occurred on Friday, March 6th. The stock was purchased at an average cost of $48.36 per share, for a total transaction of $48,360.00. Following the purchase, the director directly owned 20,409 shares in the company, valued at $986,979.24. This trade represents a 5.15% increase in their ownership of the stock. The purchase was disclosed in a filing with the Securities & Exchange Commission, which is accessible through this link. 1.09% of the stock is currently owned by insiders.

CoStar Group Profile

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.