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 		$3.7M Sell
1,063,800
-2,593,500
-71% -$14M ﹤0.01% 1339
2025
Q4 		$4.1M Sell
3,657,300
-2,554,687
-41% -$18.3M ﹤0.01% 1438
2025
Q3 		$47.9M Buy
6,211,987
+5,754,427
+1,258% +$23.3M 0.02% 363
2025
Q2 		$236K Sell
457,560
-189,927
-29% -$137K ﹤0.01% 4337
2025
Q1 		$639K Sell
647,487
-574,120
-47% -$754K ﹤0.01% 3130
2024
Q4 		$1.89M Buy
1,221,607
+184,554
+18% +$334K ﹤0.01% 2242
2024
Q3 		$2.01M Buy
1,037,053
+200,156
+24% +$406K ﹤0.01% 2271
2024
Q2 		$1.49M Buy
836,897
+26,247
+3% +$56.6K ﹤0.01% 2490
2024
Q1 		$2.38M Buy
810,650
+159,133
+24% +$497K ﹤0.01% 2236
2023
Q4 		$2.82M Buy
651,517
+129,890
+25% +$363K ﹤0.01% 2063
2023
Q3 		$1.33M Buy
521,627
+297,187
+132% +$1.07M ﹤0.01% 2414
2023
Q2 		$873K Buy
224,440
+92,483
+70% +$201K ﹤0.01% 2730
2023
Q1 		$224K Buy
131,957
+109,740
+494% +$181K ﹤0.01% 4192
2022
Q4 		$24K Sell
22,217
-454,150
-95% -$871K ﹤0.01% 6699
2022
Q3 		$1.43M Buy
476,367
+124,827
+36% +$573K ﹤0.01% 2281
2022
Q2 		$1.6M Sell
351,540
-266,393
-43% -$1.76M ﹤0.01% 2104
2022
Q1 		$5.17M Sell
617,933
-77,397
-11% -$720K ﹤0.01% 1216
2021
Q4 		$9.83M Buy
695,330
+407,237
+141% +$7.53M 0.01% 792
2021
Q3 		$4.76M Buy
288,093
+1,033
+0.4% +$16.7K ﹤0.01% 1248
2021
Q2 		$4.92M Buy
287,060
+283,702
+8,449% +$4.88M ﹤0.01% 1204
2021
Q1 		$6.89M Buy
3,358
+747
+29% +$19.7K 0.01% 610
2020
Q4 		$5.74M Buy
2,611
+2,233
+591% +$46.8K 0.01% 894
2020
Q3 		$695K Buy
+378
New +$4.52K ﹤0.01% 2640

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.