GROUP ONE TRADING LLC

Position in GERN — Geron Corp

CIK 932540 CHICAGO, IL

Position in GERN

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$167,251

-$142,640 QoQ

Shares Held

130,665

-37.2% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#108

of 258 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $113,693,049 across 200 Biotechnology names. GERN ranks #62 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
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

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$167,251	130,665	-37.2%	Shares	Sole	2026-08-14
2026-03-31	$309,891	207,981	+1.1%	Shares	Sole	2026-05-13
2025-12-31	$271,512	205,691	-6.8%	Shares	Sole	2026-02-12
2025-09-30	$302,253	220,623	-37.4%	Shares	Sole	2025-11-12
2025-06-30	$496,802	352,342	-20.6%	Shares	Sole	2025-08-14
2025-03-31	$705,743	443,864	+2125.0%	Shares	Sole	2025-05-14
2023-03-31	$43,289	19,949	-94.8%	Shares	Sole	2023-05-12
2022-12-31	$921,552	380,807	-22.5%	Shares	Sole	2023-02-09
2022-09-30	$1,149,632	491,296	+908.4%	Shares	Sole	2022-11-09
2022-06-30	$75,512	48,718	-54.1%	Shares	Sole	2022-08-11
2021-12-31	$129,518	106,163	-18.2%	Shares	Sole	2022-02-11
2021-09-30	$177,850	129,818	-29.7%	Shares	Sole	2021-11-12
2021-06-30	$260,372	184,661	+127.8%	Shares	Sole	2021-08-10
2020-03-31	$96,456	81,056	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.