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SIMPLEX TRADING, LLC

Position in OPEN — Opendoor Technologies Inc.

CIK 1488542 CHICAGO, IL

Position in OPEN

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$3,282,058
+$2,159,495 QoQ
Shares Held
761,221
+182.8% QoQ
Ownership
0.078%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#54
of 406 holders
Holding Since
Dec 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OPEN Over Time

Shares Held

Position Value (USD)

Position in Real Estate Services

Real Estate · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $6,372,210 across 18 Real Estate Services names. OPEN ranks #1 (51.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 OPEN
Opendoor Technologies Inc.
This page
761,221 $3,282,058

All Filings in OPEN

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,282,058 761,221
2026-03-31 $1,122,563 269,150
2025-12-31 $975,764 182,759
2025-06-30 $545,696 1,023,821
2025-03-31 $344,456 337,702
2024-12-31 $453,084 283,178
2024-09-30 $1,591,482 795,741
2024-06-30 $1,410,961 766,827
2024-03-31 $1,107,583 365,539
2023-09-30 $381,424 144,479
2023-06-30 $49,044 12,200
2023-03-31 $397,913 226,087
2022-12-31 $14,152 12,200
2022-09-30 $73,293 23,567
2022-06-30 $511,383 108,574
2022-03-31 $3,511,138 405,912
2021-12-31 $3,391,506 232,136
2021-09-30 $3,843,955 187,236
2021-06-30 $3,043,620 171,665
2021-03-31 $145,236 6,854
2020-12-31 $187,727 8,259