Parallax Volatility Advisers
CSGP icon

Parallax Volatility Advisers’s CoStar Group CSGP Stock Holding History

Parallax Volatility Advisers’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
-2
Closed -$134 – 1536
2025
Q4 		$134 Hold
2
– – ﹤0.01% 1593
2025
Q3 		$169 Buy
+2
New +$177 ﹤0.01% 1557
2024
Q1 		– Sell
-45
Closed -$3.93K – 1922
2023
Q4 		$3.93K Sell
45
-229
-84% -$18.5K ﹤0.01% 2053
2023
Q3 		$21.1K Buy
+274
New +$22.7K ﹤0.01% 2079
2020
Q4 		– Sell
-2,760
Closed -$234K – 3322
2020
Q3 		$234K Buy
+2,760
New +$220K ﹤0.01% 2490
2018
Q4 		– Sell
-1,070
Closed -$45K – 3009
2018
Q3 		$45K Buy
1,070
+970
+970% +$41.5K ﹤0.01% 1914
2018
Q2 		$4K Buy
+100
New +$3.85K ﹤0.01% 1841
2014
Q3 		– Sell
-4,400
Closed -$70K – 4184
2014
Q2 		$70K Buy
4,400
+3,330
+311% +$54K ﹤0.01% 2724
2014
Q1 		$20K Sell
1,070
-1,230
-53% -$23.2K ﹤0.01% 2787
2013
Q4 		$42K Buy
+2,300
New +$40.7K ﹤0.01% 2311

Other funds holding CSGP

Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Polen Capital Management
Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

Parallax Volatility Advisers's CSGP Position: Q1 2026 in Review

Parallax Volatility Advisers sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 2 shares — an estimated $134 sold.

Parallax Volatility Advisers first reported a position in CSGP in Q4 2013 and held it in 10 quarters. The position peaked at $234K in Q3 2020. 797 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Parallax Volatility Advisers reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
  • Parallax Volatility Advisers sold 2 CoStar Group shares in Q1 2026, an estimated $134.
  • Parallax Volatility Advisers first reported a position in CoStar Group in Q4 2013 and held it in 10 quarters.
  • Parallax Volatility Advisers's CoStar Group position peaked at $234K in Q3 2020.
  • 797 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.