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Equibles

GROUP ONE TRADING LLC

Position in ATOS — Atossa Therapeutics, Inc.

CIK 932540 CHICAGO, IL
Back to ATOS Full portfolio

Position in ATOS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$104
-$3,099 QoQ
Shares Held
54
-91.1% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#26
of 31 holders
Holding Since
Mar 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATOS 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. ATOS ranks #188 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MRNA
Moderna, Inc.
 203,915 $14,280,167
2 VKTX
Viking Therapeutics, Inc.
 261,443 $10,198,891
3 CAPR
Capricor Therapeutics, Inc.
 272,609 $6,564,424
4 ABSI
Absci Corp
 524,747 $6,081,817
5 AGIO
Agios Pharmaceuticals, Inc.
 151,994 $5,640,497
6 NKTR
Nektar Therapeutics
 70,371 $4,912,599
7 CRSP
CRISPR Therapeutics AG
 85,040 $4,638,081
8 ABVX
Abivax S.A.
 29,767 $3,966,750

All Filings in ATOS

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $104 54
2026-03-31 $3,203 609
2025-12-31 $3,930 6,662
2025-06-30 $160 193
2025-03-31 $37,658 56,207
2024-12-31 $12,624 13,430
2024-06-30 $28,795 24,198
2024-03-31 $192,074 106,708
2023-12-31 $101,419 115,249
2023-09-30 $96,743 130,735
2023-06-30 $94,040 74,635
2023-03-31 $46,100 64,028
2022-12-31 $72,697 137,166
2022-09-30 $18,377 22,141
2021-06-30 $10,393,164 1,644,488
2020-12-31 $95 100
2020-09-30 $2,420 1,000
2020-06-30 $4,560 1,200
2020-03-31 $665 500