Fred Alger Management’s CoStar Group CSGP Stock Holding History

Fred Alger Management’s Portfolio CSGP Stock Details CSGP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-112,357	Closed	-$7.55M	–	464
2025 Q4	$7.55M	Sell	112,357 -64,675	-37%	-$4.58M	0.03%	195
2025 Q3	$14.9M	Buy	177,032 +30,411	+21%	+$2.69M	0.06%	145
2025 Q2	$11.8M	Buy	146,621 +17,439	+13%	+$1.36M	0.05%	158
2025 Q1	$10.2M	Buy	129,182 +36,395	+39%	+$2.77M	0.06%	167
2024 Q4	$6.64M	Sell	92,787 -196,269	-68%	-$14.8M	0.03%	211
2024 Q3	$21.8M	Buy	289,056 +3,811	+1%	+$289K	0.11%	129
2024 Q2	$21.1M	Sell	285,245 -64,339	-18%	-$5.45M	0.1%	129
2024 Q1	$33.8M	Sell	349,584 -12,776	-4%	-$1.1M	0.17%	109
2023 Q4	$31.7M	Sell	362,360 -76,935	-18%	-$6.23M	0.17%	110
2023 Q3	$33.8M	Buy	439,295 +36,091	+9%	+$2.99M	0.19%	107
2023 Q2	$35.9M	Sell	403,204 -65,823	-14%	-$5.08M	0.18%	127
2023 Q1	$32.3M	Sell	469,027 -32,205	-6%	-$2.38M	0.17%	134
2022 Q4	$38.7M	Buy	501,232 +101,635	+25%	+$7.94M	0.21%	131
2022 Q3	$27.8M	Buy	399,597 +314,496	+370%	+$21.8M	0.14%	151
2022 Q2	$5.14M	Sell	85,101 -113,026	-57%	-$6.85M	0.02%	265
2022 Q1	$13.2M	Sell	198,127 -1,088,462	-85%	-$72.3M	0.04%	209
2021 Q4	$102M	Buy	1,286,589 +245,290	+24%	+$20.6M	0.25%	109
2021 Q3	$89.6M	Sell	1,041,299 -1,188,912	-53%	-$103M	0.21%	126
2021 Q2	$185M	Sell	2,230,211 -770,619	-26%	-$66.6M	0.44%	78
2021 Q1	$247M	Buy	3,000,830 +1,068,170	+55%	+$92.2M	0.65%	42
2020 Q4	$179M	Buy	1,932,660 +57,570	+3%	+$5.05M	0.46%	64
2020 Q3	$159M	Sell	1,875,090 -278,740	-13%	-$22.2M	0.46%	59
2020 Q2	$153M	Buy	2,153,830 +923,650	+75%	+$59.7M	0.5%	49
2020 Q1	$72.2M	Buy	1,230,180 +288,250	+31%	+$18.8M	0.32%	80
2019 Q4	$56.4M	Buy	941,930 +444,540	+89%	+$26M	0.21%	113
2019 Q3	$29.5M	Sell	497,390 -68,480	-12%	-$4.1M	0.12%	146
2019 Q2	$31.4M	Sell	565,870 -237,780	-30%	-$12.2M	0.12%	143
2019 Q1	$37.5M	Buy	803,650 +801,960	+47,453%	+$33.1M	0.15%	132
2018 Q4	$57K	Sell	1,690 -340	-17%	-$12.4K	﹤0.01%	397
2018 Q3	$85K	Sell	2,030 -275,330	-99%	-$11.8M	﹤0.01%	401
2018 Q2	$11.4M	Buy	277,360 +140,300	+102%	+$5.4M	0.05%	178
2018 Q1	$4.97M	Buy	137,060 +136,390	+20,357%	+$4.7M	0.02%	221
2017 Q4	$20K	Hold	670	–	–	﹤0.01%	470
2017 Q3	$18K	Hold	670	–	–	﹤0.01%	441
2017 Q2	$18K	Buy	+670	New	+$16.3K	﹤0.01%	458
2016 Q4	–	Sell	-7,670	Closed	-$166K	–	493
2016 Q3	$166K	Sell	7,670 -144,990	-95%	-$3.09M	﹤0.01%	381
2016 Q2	$3.34M	Sell	152,660 -245,260	-62%	-$4.85M	0.02%	230
2016 Q1	$7.49M	Sell	397,920 -254,910	-39%	-$4.51M	0.04%	216
2015 Q4	$13.5M	Buy	652,830 +114,630	+21%	+$2.28M	0.07%	148
2015 Q3	$9.31M	Sell	538,200 -1,859,090	-78%	-$35.6M	0.05%	195
2015 Q2	$48.2M	Sell	2,397,290 -355,050	-13%	-$7.24M	0.22%	109
2015 Q1	$54.5M	Sell	2,752,340 -467,750	-15%	-$8.83M	0.25%	104
2014 Q4	$59.1M	Sell	3,220,090 -274,840	-8%	-$4.44M	0.28%	84
2014 Q3	$54.4M	Sell	3,494,930 -4,267,110	-55%	-$63.6M	0.26%	85
2014 Q2	$123M	Buy	7,762,040 +6,476,000	+504%	+$105M	0.6%	43
2014 Q1	$24M	Sell	1,286,040 -245,740	-16%	-$4.64M	0.12%	180
2013 Q4	$28.3M	Sell	1,531,780 -225,160	-13%	-$3.98M	0.14%	167
2013 Q3	$29.5M	Sell	1,756,940 -258,190	-13%	-$3.96M	0.16%	160
2013 Q2	$26M	Buy	+2,015,130	New	+$22.8M	0.15%	164

Other funds holding CSGP

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

Fred Alger Management's CSGP Position: Q1 2026 in Review

Fred Alger Management sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 112,357 shares — an estimated $7.55M sold.

Fred Alger Management first reported a position in CSGP in Q2 2013 and held it in 49 quarters. The position peaked at $247M in Q1 2021. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Fred Alger Management reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
Fred Alger Management sold 112,357 CoStar Group shares in Q1 2026, an estimated $7.55M.
Fred Alger Management first reported a position in CoStar Group in Q2 2013 and held it in 49 quarters.
Fred Alger Management's CoStar Group position peaked at $247M in Q1 2021.
792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Fred Alger Management's 13F filing for Q1 2026, filed 15 May 2026.