Barbara Oil Co’s CoStar Group CSGP Stock Holding History

Barbara Oil Co’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	$1.29M	Hold	32,000	–	–	0.5%	51
2025 Q4	$2.15M	Hold	32,000	–	–	0.8%	39
2025 Q3	$2.7M	Hold	32,000	–	–	1.01%	31
2025 Q2	$2.57M	Hold	32,000	–	–	1.01%	30
2025 Q1	$2.54M	Hold	32,000	–	–	1.03%	33
2024 Q4	$2.29M	Hold	32,000	–	–	0.95%	33
2024 Q3	$2.41M	Hold	32,000	–	–	0.99%	32
2024 Q2	$2.37M	Hold	32,000	–	–	1.04%	32
2024 Q1	$3.09M	Hold	32,000	–	–	1.31%	30
2023 Q4	$2.8M	Hold	32,000	–	–	1.26%	30
2023 Q3	$2.46M	Hold	32,000	–	–	1.17%	30
2023 Q2	$2.85M	Hold	32,000	–	–	1.31%	25
2023 Q1	$2.2M	Hold	32,000	–	–	1.06%	30
2022 Q4	$2.47M	Hold	32,000	–	–	1.18%	28
2022 Q3	$2.23M	Hold	32,000	–	–	1.22%	27
2022 Q2	$1.93M	Hold	32,000	–	–	1%	31
2022 Q1	$2.13M	Hold	32,000	–	–	0.98%	32
2021 Q4	$2.53M	Hold	32,000	–	–	1.09%	32
2021 Q3	$2.75M	Hold	32,000	–	–	1.29%	27
2021 Q2	$2.65M	Hold	32,000	–	–	1.22%	31
2021 Q1	$2.63M	Hold	32,000	–	–	1.27%	27
2020 Q4	$2.96M	Hold	32,000	–	–	1.49%	25
2020 Q3	$2.71M	Hold	32,000	–	–	1.49%	25
2020 Q2	$2.27M	Hold	32,000	–	–	1.32%	27
2020 Q1	$1.88M	Hold	32,000	–	–	1.25%	26
2019 Q4	$1.92M	Hold	32,000	–	–	1.02%	30
2019 Q3	$1.9M	Hold	32,000	–	–	1.07%	27
2019 Q2	$1.77M	Hold	32,000	–	–	1.01%	28
2019 Q1	$1.49M	Hold	32,000	–	–	0.89%	33
2018 Q4	$1.08M	Hold	32,000	–	–	0.73%	41
2018 Q3	$1.35M	Hold	32,000	–	–	0.79%	37
2018 Q2	$1.32M	Hold	32,000	–	–	0.85%	33
2018 Q1	$1.16M	Hold	32,000	–	–	0.75%	38
2017 Q4	$950K	Hold	32,000	–	–	0.61%	52
2017 Q3	$858K	Hold	32,000	–	–	0.59%	53
2017 Q2	$844K	Hold	32,000	–	–	0.61%	55
2017 Q1	$663K	Hold	32,000	–	–	0.49%	64
2016 Q4	$603K	Hold	32,000	–	–	0.47%	67
2016 Q3	$693K	Hold	32,000	–	–	0.55%	59
2016 Q2	$700K	Hold	32,000	–	–	0.56%	61
2016 Q1	$602K	Hold	32,000	–	–	0.51%	61
2015 Q4	$661K	Hold	32,000	–	–	0.56%	56
2015 Q3	$554K	Buy	32,000 +10,000	+45%	+$192K	0.49%	65
2015 Q2	$443K	Hold	22,000	–	–	0.37%	73
2015 Q1	$435K	Hold	22,000	–	–	0.36%	76
2014 Q4	$404K	Buy	+22,000	New	+$355K	0.33%	77

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

Barbara Oil Co's CSGP Position: Q1 2026 in Review

Barbara Oil Co held its CoStar Group (CSGP) position steady in Q1 2026 at 32,000 shares worth $1.29M. The position accounts for 0.5% of the portfolio, ranked #51.

Barbara Oil Co first reported a position in CSGP in Q4 2014 and has held it in 46 quarters since. The position peaked at $3.09M in Q1 2024. 793 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Barbara Oil Co held 32,000 shares of CoStar Group worth $1.29M as of Q1 2026.
Barbara Oil Co left its CoStar Group share count unchanged in Q1 2026.
CoStar Group made up 0.5% of Barbara Oil Co's portfolio in Q1 2026, its #51 holding.
Barbara Oil Co first reported a position in CoStar Group in Q4 2014 and has held it in 46 quarters since.
Barbara Oil Co's CoStar Group position peaked at $3.09M in Q1 2024.
793 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Barbara Oil Co's 13F filing for Q1 2026, filed 13 May 2026.