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 		$1.12M Buy
269,150
+86,391
+47% +$466K ﹤0.01% 2390
2025
Q4 		$976K Buy
+182,759
New +$1.31M ﹤0.01% 2628
2025
Q3 		– Sell
-1,057,948
Closed -$4.29M – 9779
2025
Q2 		$545K Buy
1,057,948
+708,989
+203% +$512K ﹤0.01% 3418
2025
Q1 		$344K Buy
348,959
+56,342
+19% +$74K ﹤0.01% 3784
2024
Q4 		$453K Sell
292,617
-529,649
-64% -$960K ﹤0.01% 3649
2024
Q3 		$1.59M Buy
822,266
+29,878
+4% +$60.6K ﹤0.01% 2480
2024
Q2 		$1.41M Buy
792,388
+414,664
+110% +$894K ﹤0.01% 2554
2024
Q1 		$1.11M Buy
+377,724
New +$1.18M ﹤0.01% 3014
2023
Q4 		– Sell
-149,295
Closed -$417K – 9533
2023
Q3 		$381K Buy
149,295
+136,688
+1,084% +$493K ﹤0.01% 3683
2023
Q2 		$49K Sell
12,607
-221,016
-95% -$480K ﹤0.01% 5872
2023
Q1 		$397K Buy
233,623
+221,016
+1,753% +$364K ﹤0.01% 3520
2022
Q4 		$14K Sell
12,607
-11,746
-48% -$22.5K ﹤0.01% 7223
2022
Q3 		$73K Sell
24,353
-87,840
-78% -$403K ﹤0.01% 5936
2022
Q2 		$511K Sell
112,193
-307,249
-73% -$2.02M ﹤0.01% 3414
2022
Q1 		$3.51M Buy
419,442
+179,568
+75% +$1.67M ﹤0.01% 1555
2021
Q4 		$3.39M Buy
239,874
+46,397
+24% +$857K ﹤0.01% 1533
2021
Q3 		$3.2M Buy
193,477
+16,090
+9% +$260K ﹤0.01% 1612
2021
Q2 		$3.04M Buy
177,387
+170,305
+2,405% +$2.93M ﹤0.01% 1658
2021
Q1 		$145K Sell
7,082
-1,452
-17% -$38.3K ﹤0.01% 5233
2020
Q4 		$187K Sell
8,534
-13,007
-60% -$273K ﹤0.01% 4699
2020
Q3 		$395K Buy
+21,541
New +$257K ﹤0.01% 3277

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.