Parallax Volatility Advisers
OPEN icon

Parallax Volatility Advisers’s Opendoor OPEN Stock Holding History

Parallax Volatility Advisers’s Portfolio OPEN Stock Details OPEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$149K Sell
27,400
-173,900
-86% -$937K ﹤0.01% 1208
2025
Q4 		$1.17M Buy
201,300
+103,753
+106% +$743K ﹤0.01% 1070
2025
Q3 		$752K Buy
+97,547
New +$396K ﹤0.01% 1176
2024
Q1 		– Sell
-84,423
Closed -$366K – 2209
2023
Q4 		$366K Hold
84,423
– – ﹤0.01% 1660
2023
Q3 		$216K Sell
84,423
-15,190
-15% -$54.7K ﹤0.01% 1806
2023
Q2 		$388K Buy
99,613
+8,783
+10% +$19.1K ﹤0.01% 1728
2023
Q1 		$155K Sell
90,830
-266,600
-75% -$439K ﹤0.01% 2041
2022
Q4 		$401K Sell
357,430
-63,963
-15% -$123K ﹤0.01% 1958
2022
Q3 		$1.27M Buy
421,393
+83,080
+25% +$381K ﹤0.01% 1641
2022
Q2 		$1.54M Sell
338,313
-336,040
-50% -$2.21M ﹤0.01% 1461
2022
Q1 		$5.64M Buy
674,353
+94,240
+16% +$876K ﹤0.01% 953
2021
Q4 		$8.2M Buy
580,113
+251,720
+77% +$4.65M 0.01% 651
2021
Q3 		$6.53M Buy
328,393
+327,360
+31,690% +$5.29M 0.01% 770
2021
Q2 		$19K Sell
1,033
-102,300
-99% -$1.76M ﹤0.01% 1437
2021
Q1 		$2.12M Buy
103,333
+1,136
+1% +$30K ﹤0.01% 673
2020
Q4 		$2.25M Buy
+102,197
New +$2.14M ﹤0.01% 1219

Other funds holding OPEN

Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
LC
Lennar Corp Miami, Florida $64M AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

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

Parallax Volatility Advisers reduced its Opendoor (OPEN) stake by 41% in Q1 2026, selling an estimated $447K and leaving 119,430 shares worth $651K. The position accounts for ﹤0.01% of the portfolio, ranked #1018.

Parallax Volatility Advisers first reported a position in OPEN in Q2 2021 and has held it in 13 quarters since. The position peaked at $8.41M in Q4 2021. 360 funds tracked by Wall St. Rank hold OPEN as of Q1 2026.

  • Parallax Volatility Advisers held 119,430 shares of Opendoor worth $651K as of Q1 2026.
  • Parallax Volatility Advisers sold 82,871 Opendoor shares in Q1 2026, an estimated $447K.
  • Opendoor made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #1018 holding.
  • Parallax Volatility Advisers first reported a position in Opendoor in Q2 2021 and has held it in 13 quarters since.
  • Parallax Volatility Advisers's Opendoor position peaked at $8.41M in Q4 2021.
  • 360 funds tracked by Wall St. Rank held Opendoor as of Q1 2026.

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