Bamco Inc Costar Group, Inc. Transaction History

Bamco Inc

$35.5 Billion
Q3 2025

A detailed history of Bamco Inc transactions in Costar Group, Inc. stock. As of the latest transaction made, Bamco Inc holds 19,255,566 shares of CSGP stock, worth $1.31 Billion. This represents 4.58% of its overall portfolio holdings.

Number of Shares

19,255,566

Previous 19,679,935 2.16%

Holding current value

$1.31 Billion

Previous $1.58 Billion 2.68%

% of portfolio

4.58%

Previous 4.49%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$81.42 - $96.83 $34.6 Million - $41.1 Million	-424,369 Reduced 2.16%	19,255,566 $1.62 Billion
Q2 2025 Aug 14, 2025	BUY	$72.62 - $83.22 $47 Million - $53.9 Million	647,413 Added 3.4%	19,679,935 $1.58 Billion
Q1 2025 May 15, 2025	SELL	$69.29 - $80.37 $11.9 Million - $13.7 Million	-171,042 Reduced 0.89%	19,032,522 $1.51 Billion
Q4 2024 Feb 14, 2025	BUY	$69.7 - $81.97 $29.1 Million - $34.3 Million	418,128 Added 2.23%	19,203,564 $1.37 Billion
Q3 2024 Nov 14, 2024	SELL	$71.59 - $79.61 $34.8 Million - $38.7 Million	-485,562 Reduced 2.52%	18,785,436 $1.42 Billion
Q2 2024 Aug 14, 2024	SELL	$72.73 - $95.69 $4.85 Million - $6.37 Million	-66,620 Reduced 0.34%	19,270,998 $1.43 Billion
Q1 2024 May 15, 2024	SELL	$81.24 - $97.73 $4.36 Million - $5.24 Million	-53,665 Reduced 0.28%	19,337,618 $1.87 Billion
Q4 2023 Feb 14, 2024	BUY	$70.58 - $88.25 $13.7 Million - $17.2 Million	194,781 Added 1.01%	19,391,283 $1.69 Billion
Q3 2023 Nov 14, 2023	BUY	$76.3 - $91.8 $6.97 Million - $8.39 Million	91,399 Added 0.48%	19,196,502 $1.48 Billion
Q2 2023 Aug 14, 2023	BUY	$67.75 - $90.12 $9.15 Million - $12.2 Million	135,022 Added 0.71%	19,105,103 $1.7 Billion
Q1 2023 May 15, 2023	SELL	$65.85 - $81.05 $9.23 Million - $11.4 Million	-140,122 Reduced 0.73%	18,970,081 $1.31 Billion
Q4 2022 Feb 14, 2023	SELL	$70.3 - $84.16 $10.2 Million - $12.2 Million	-144,677 Reduced 0.75%	19,110,203 $1.48 Billion
Q3 2022 Nov 14, 2022	BUY	$57.94 - $78.56 $1.01 Million - $1.36 Million	17,360 Added 0.09%	19,254,880 $1.34 Billion
Q2 2022 Aug 15, 2022	BUY	$54.19 - $67.64 $21 Million - $26.3 Million	388,347 Added 2.06%	19,237,520 $1.16 Billion
Q1 2022 May 13, 2022	BUY	$53.27 - $78.84 $18.7 Million - $27.6 Million	350,382 Added 1.89%	18,849,173 $1.26 Billion
Q4 2021 Feb 14, 2022	SELL	$75.23 - $99.74 $10.6 Million - $14.1 Million	-140,948 Reduced 0.76%	18,498,791 $1.46 Billion
Q3 2021 Nov 12, 2021	SELL	$80.97 - $90.15 $12.4 Million - $13.8 Million	-153,521 Reduced 0.82%	18,639,739 $1.6 Billion
Q2 2021 Aug 13, 2021	BUY	$81.08 - $93.68 $1.37 Billion - $1.58 Billion	16,853,001 Added 868.6%	18,793,260 $1.56 Billion
Q1 2021 May 19, 2021	BUY	$75.85 - $93.98 $430,524 - $533,430	5,676 Added 0.29%	1,940,259 $1.59 Billion
Q4 2020 Feb 12, 2021	SELL	$79.33 - $93.95 $5.43 Million - $6.43 Million	-68,388 Reduced 3.41%	1,934,583 $1.79 Billion
Q3 2020 Nov 13, 2020	SELL	$68.0 - $87.78 $6.66 Million - $8.6 Million	-97,978 Reduced 4.66%	2,002,971 $1.7 Billion
Q2 2020 Aug 14, 2020	BUY	$52.67 - $72.46 $50,036 - $68,837	950 Added 0.05%	2,100,949 $1.49 Billion
Q1 2020 May 15, 2020	SELL	$52.34 - $74.01 $9.04 Million - $12.8 Million	-172,768 Reduced 7.6%	2,099,999 $1.23 Billion
Q4 2019 Feb 18, 2020	SELL	$54.36 - $61.74 $6.72 Million - $7.63 Million	-123,577 Reduced 5.16%	2,272,767 $1.36 Billion
Q3 2019 Nov 14, 2019	SELL	$55.94 - $63.43 $1.19 Million - $1.35 Million	-21,280 Reduced 0.88%	2,396,344 $1.42 Billion
Q2 2019 Aug 15, 2019	SELL	$47.44 - $56.05 $1.47 Million - $1.73 Million	-30,913 Reduced 1.26%	2,417,624 $1.34 Billion
Q1 2019 May 15, 2019	SELL	$32.73 - $47.69 $68,536 - $99,862	-2,094 Reduced 0.09%	2,448,537 $1.14 Billion
Q4 2018 Feb 14, 2019	SELL	$32.04 - $41.44 $622,344 - $804,930	-19,424 Reduced 0.79%	2,450,631 $827 Million
Q3 2018 Nov 14, 2018	SELL	$40.85 - $44.67 $529,947 - $579,503	-12,973 Reduced 0.52%	2,470,055 $1.04 Billion
Q2 2018 Aug 14, 2018	SELL	$35.11 - $41.72 $1.65 Million - $1.96 Million	-47,013 Reduced 1.86%	2,483,028 $1.02 Billion
Q1 2018 May 09, 2018	SELL	$29.68 - $37.58 $2.8 Million - $3.54 Million	-94,177 Reduced 3.59%	2,530,041 $918 Million
Q4 2017 Feb 14, 2018	SELL	$27.16 - $31.02 $7.1 Million - $8.11 Million	-261,301 Reduced 9.06%	2,624,218 $779 Million
Q3 2017 Nov 15, 2017	BUY	$26.61 - $28.7 $76.8 Million - $82.8 Million	2,885,519	2,885,519 $774 Million

Others Institutions Holding CSGP

# of Institutions

1,011

Shares Held

416M

Call Options Held

1.79M

Put Options Held

800K

View Full List

About COSTAR GROUP, INC.

Ticker CSGP
Exchange NASDAQ
Sector Real Estate
Industry Real Estate Services
Shares Outstandng 406,689,984
Market Cap $27.7B
Description
CoStar Group, Inc. provides information, analytics, and online marketplace services to the commercial real estate, hospitality, residential, and related professionals industries in the United States, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, ...

More about CSGP

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