Fund Update: 811,168 COSTAR GROUP (CSGP) shares added to Douglas Lane & Associates, LLC portfolio

Douglas Lane & Associates, LLC has added 811,168 shares of $CSGP to their portfolio, per a new SEC 13F filing. This disclosure reflects the funds' holdings for the 09-30-2026 report period. You can see the fund's full portfolio on Investivoq, and also track the largest institutional owners of $CSGP.

COSTAR GROUP Hedge Fund Activity

We have seen 399 institutional investors add shares of COSTAR GROUP stock to their portfolio, and 397 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

• PRINCIPAL FINANCIAL GROUP INC removed 13,905,398 shares (-78.6%) from their portfolio in Q2 2026, for an estimated $393,800,871
• AQR CAPITAL MANAGEMENT LLC added 7,182,770 shares (+568.8%) to their portfolio in Q2 2026, for an estimated $203,416,046
• EDGEPOINT INVESTMENT GROUP INC. added 5,950,002 shares (+inf%) to their portfolio in Q2 2026, for an estimated $168,504,056
• BAMCO INC /NY/ added 5,312,588 shares (+32.6%) to their portfolio in Q2 2026, for an estimated $150,452,492
• JPMORGAN CHASE & CO added 4,939,994 shares (+inf%) to their portfolio in Q2 2026, for an estimated $139,900,630
• GOLDMAN SACHS GROUP INC removed 4,116,328 shares (-44.5%) from their portfolio in Q2 2026, for an estimated $116,574,408
• POLEN CAPITAL MANAGEMENT LLC removed 3,811,054 shares (-30.3%) from their portfolio in Q2 2026, for an estimated $107,929,049

To track hedge funds' stock portfolios, check out Investivoq's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Investivoq API 13F endpoint.

COSTAR GROUP Insider Trading Activity

COSTAR GROUP insiders have traded $CSGP stock on the open market 5 times in the past 6 months. Of those trades, 3 have been purchases and 2 have been sales.

Here’s a breakdown of recent trading of $CSGP stock by insiders over the last 6 months:

• ANDREW C FLORANCE (Founder and CEO) has made 3 purchases buying 154,730 shares for an estimated $5,004,045 and 0 sales.
• CYNTHIA CAMMETT CANN (Chief Accounting Officer) sold 4,788 shares for an estimated $147,374
• JOHN W HILL sold 3,500 shares for an estimated $105,735

To track insider transactions, check out Investivoq's insider trading dashboard. You can access data on insider stock transactions through the Investivoq API insider transaction endpoint.

COSTAR GROUP Congressional Stock Trading

Members of Congress have traded $CSGP stock 2 times in the past 6 months. Of those trades, 1 have been purchases and 1 have been sales.

Here’s a breakdown of recent trading of $CSGP stock by members of Congress over the last 6 months:

• REPRESENTATIVE GILBERT RAY CISNEROS, JR. has traded it 2 times. They made 1 purchase worth up to $15,000 on 08/19 and 1 sale worth up to $15,000 on 04/14.

To track congressional stock trading, check out Investivoq's congressional trading dashboard. You can access data on congressional stock trades through the Investivoq API Congress trades endpoint.

COSTAR GROUP Price Targets

Multiple analysts have issued price targets for $CSGP recently. We have seen 12 analysts offer price targets for $CSGP in the last 6 months, with a median target of $48.0.

Here are some recent targets:

• George Tong from Goldman Sachs set a target price of $46.0 on 06/25/2026
• Jason Haas from Wells Fargo set a target price of $26.0 on 06/24/2026
• Michael Rindos from Benchmark set a target price of $45.0 on 06/04/2026
• Heather Balsky from B of A Securities set a target price of $37.0 on 05/19/2026
• Brett Huff from Stephens & Co. set a target price of $42.0 on 05/04/2026
• Jake Fuller from BTIG set a target price of $55.0 on 04/29/2026
• Mayank Tandon from Needham set a target price of $50.0 on 04/29/2026

Note that there may be inaccuracies in these estimates due to filing errors by the funds, parsing errors by us, or other anomalies.

Check out Investivoq's $CSGP ticker page for more data.