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
Q3 		$1.09M Sell
462,831
-298,390
-39% -$1.07M ﹤0.01% 2628
2026
Q2 		$3.28M Buy
761,221
+492,071
+183% +$2.35M ﹤0.01% 1552
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% 7222
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

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Daiwa Securities Group
Daiwa Securities Group Tokyo, Japan $53.6B AUM 32.29% 1-Year Est. Return
Privium Fund Management
Privium Fund Management Amsterdam, Netherlands $516M AUM 18.66% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Hennessy Advisors Inc
Hennessy Advisors Inc Novato, California $2.66B AUM 26.6% 1-Year Est. Return
Kestra Private Wealth Services
Kestra Private Wealth Services Austin, Texas $9.37B AUM 22.72% 1-Year Est. Return
SignatureFD
SignatureFD Atlanta, Georgia $7.76B AUM 16.09% 1-Year Est. Return
Sullivan Wood Capital Management
Sullivan Wood Capital Management Washington, District of Columbia $65.2M AUM 11.47% 1-Year Est. Return
IIA
IPG Investment Advisors San Diego, California $704M AUM 30.39% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $179B AUM 16.96% 1-Year Est. Return

Simplex Trading's OPEN Position: Q3 2026 in Review

Simplex Trading reduced its Opendoor (OPEN) stake by 39% in Q3 2026, selling an estimated $1.07M and leaving 462,831 shares worth $1.09M. The position accounts for ﹤0.01% of the portfolio, ranked #2628.

Simplex Trading first reported a position in OPEN in Q3 2020 and has held it in 23 quarters since. The position peaked at $3.51M in Q1 2022. 120 funds tracked by Wall St. Rank hold OPEN as of Q3 2026.

  • Simplex Trading held 462,831 shares of Opendoor worth $1.09M as of Q3 2026.
  • Simplex Trading sold 298,390 Opendoor shares in Q3 2026, an estimated $1.07M.
  • Opendoor made up ﹤0.01% of Simplex Trading's portfolio in Q3 2026, its #2628 holding.
  • Simplex Trading first reported a position in Opendoor in Q3 2020 and has held it in 23 quarters since.
  • Simplex Trading's Opendoor position peaked at $3.51M in Q1 2022.
  • 120 funds tracked by Wall St. Rank held Opendoor as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.