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GROUP ONE TRADING LLC

Position in OTLK — Outlook Therapeutics, Inc.

CIK 932540 CHICAGO, IL

Position in OTLK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$391,820
+$368,398 QoQ
Shares Held
246,428
+116.7% QoQ
Ownership
0.101%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#14
of 68 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OTLK Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $113,693,049 across 200 Biotechnology names. OTLK ranks #47 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OTLK

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $391,820 246,428
2026-03-31 $23,422 113,701
2025-12-31 $58,455 36,997
2025-09-30 $17,842 16,833
2025-06-30 $43,686 27,304
2025-03-31 $7,599 6,229