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 		$264K Sell
48,500
-140,700
-74% -$758K ﹤0.01% 1140
2025
Q4 		$1.1M Buy
189,200
+39,367
+26% +$282K ﹤0.01% 1086
2025
Q3 		$1.16M Buy
+149,833
New +$608K ﹤0.01% 1068
2024
Q4 		– Sell
-31,000
Closed -$60K – 2249
2024
Q3 		$60K Buy
+31,000
New +$62.9K ﹤0.01% 1821
2023
Q3 		– Sell
-517
Closed -$2.01K – 2519
2023
Q2 		$2.01K Buy
517
+310
+150% +$673 ﹤0.01% 2271
2023
Q1 		$352 Sell
207
-39,680
-99% -$65.4K ﹤0.01% 2622
2022
Q4 		$44.8K Sell
39,887
-1,057,513
-96% -$2.03M ﹤0.01% 2381
2022
Q3 		$3.31M Buy
1,097,400
+83,597
+8% +$384K 0.01% 1187
2022
Q2 		$4.62M Sell
1,013,803
-120,797
-11% -$796K ﹤0.01% 1000
2022
Q1 		$9.5M Sell
1,134,600
-285,200
-20% -$2.65M 0.01% 762
2021
Q4 		$20.1M Buy
1,419,800
+1,125,300
+382% +$20.8M 0.02% 407
2021
Q3 		$5.85M Buy
294,500
+293,363
+25,801% +$4.74M 0.01% 796
2021
Q2 		$20K Sell
1,137
-130,613
-99% -$2.24M ﹤0.01% 1432
2021
Q1 		$2.7M Buy
131,750
+80,083
+155% +$2.11M 0.01% 623
2020
Q4 		$1.14M Buy
+51,667
New +$1.08M ﹤0.01% 1402

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.