Simplex Trading
OPEN icon

Simplex Trading’s Opendoor OPEN Stock Holding History

Simplex Trading’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 		$8.51M Sell
2,765,200
-3,148,200
-53% -$17M 0.01% 771
2025
Q4 		$13.6M Sell
5,913,400
-1,345,457
-19% -$9.64M 0.01% 694
2025
Q3 		$56M Buy
7,258,857
+6,392,304
+738% +$25.9M 0.03% 327
2025
Q2 		$446K Sell
866,553
-34,514
-4% -$24.9K ﹤0.01% 3613
2025
Q1 		$889K Sell
901,067
-821,396
-48% -$1.08M ﹤0.01% 2809
2024
Q4 		$2.67M Buy
1,722,463
+866,656
+101% +$1.57M ﹤0.01% 1956
2024
Q3 		$1.66M Buy
855,807
+362,804
+74% +$736K ﹤0.01% 2446
2024
Q2 		$877K Sell
493,003
-99,924
-17% -$216K ﹤0.01% 3055
2024
Q1 		$1.74M Sell
592,927
-1,179,860
-67% -$3.68M ﹤0.01% 2551
2023
Q4 		$7.68M Buy
1,772,787
+783,784
+79% +$2.19M ﹤0.01% 1265
2023
Q3 		$2.53M Buy
989,003
+73,470
+8% +$265K ﹤0.01% 1890
2023
Q2 		$3.56M Buy
915,533
+636,223
+228% +$1.38M ﹤0.01% 1543
2023
Q1 		$475K Sell
279,310
-1,120,753
-80% -$1.85M ﹤0.01% 3324
2022
Q4 		$1.57M Sell
1,400,063
-106,950
-7% -$205K ﹤0.01% 2054
2022
Q3 		$4.54M Buy
1,507,013
+674,043
+81% +$3.09M 0.01% 1270
2022
Q2 		$3.8M Sell
832,970
-363,733
-30% -$2.4M ﹤0.01% 1316
2022
Q1 		$10M Buy
1,196,703
+550,250
+85% +$5.12M 0.01% 842
2021
Q4 		$9.14M Buy
646,453
+433,483
+204% +$8.01M 0.01% 823
2021
Q3 		$3.52M Sell
212,970
-181,247
-46% -$2.93M ﹤0.01% 1517
2021
Q2 		$4.57M Buy
394,217
+391,237
+13,129% +$6.72M ﹤0.01% 1266
2021
Q1 		$6.11M Buy
2,980
+849
+40% +$22.4K 0.01% 679
2020
Q4 		$4.69M Buy
2,131
+1,953
+1,097% +$41K 0.01% 1031
2020
Q3 		$326K Buy
+178
New +$2.13K ﹤0.01% 3512

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

Simplex Trading's OPEN Position: Q1 2026 in Review

Simplex Trading increased its Opendoor (OPEN) stake by 47% in Q1 2026, buying an estimated $466K and bringing the position to 269,150 shares worth $1.12M. The position accounts for ﹤0.01% of the portfolio, ranked #2390.

Simplex Trading first reported a position in OPEN in Q3 2020 and has held it in 21 quarters since. The position peaked at $3.51M in Q1 2022. 359 funds tracked by Wall St. Rank hold OPEN as of Q1 2026.

  • Simplex Trading held 269,150 shares of Opendoor worth $1.12M as of Q1 2026.
  • Simplex Trading bought 86,391 Opendoor shares in Q1 2026, an estimated $466K.
  • Opendoor made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2390 holding.
  • Simplex Trading first reported a position in Opendoor in Q3 2020 and has held it in 21 quarters since.
  • Simplex Trading's Opendoor position peaked at $3.51M in Q1 2022.
  • 359 funds tracked by Wall St. Rank held Opendoor as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.