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
2025
Q4 		– Sell
-105,000
Closed -$8.86M – 1678
2025
Q3 		$8.86M Hold
105,000
– – 0.01% 504
2025
Q2 		$8.44M Buy
+105,000
New +$8.18M 0.02% 483
2023
Q1 		– Sell
-18,000
Closed -$1.39M – 2795
2022
Q4 		$1.39M Sell
18,000
-28,100
-61% -$2.2M ﹤0.01% 1537
2022
Q3 		$3.21M Buy
+46,100
New +$3.2M 0.01% 1201
2014
Q3 		– Sell
-1,000
Closed -$16K – 4183
2014
Q2 		$16K Hold
1,000
– – ﹤0.01% 3584
2014
Q1 		$19K Buy
+1,000
New +$18.9K ﹤0.01% 2810

Other funds holding CSGP

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Polen Capital Management
Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 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. 793 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.
  • 793 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.