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SIMPLEX TRADING, LLC

Position in OABI — OmniAb, Inc.

CIK 1488542 CHICAGO, IL

Position in OABI

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$444
-$351 QoQ
Shares Held
283
-34.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2022
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OABI Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $82,554,796 across 183 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in OABI

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10 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $444 283
2025-12-31 $795 430
2025-09-30 $5,334 3,334
2025-06-30 $348 200
2025-03-31 $554 231
2024-12-31 $4 1,331
2024-09-30 $9,800 2,317
2024-06-30 $7,286 1,943
2023-06-30 $35 7
2022-12-31 $7,171 1,992