GROUP ONE TRADING LLC

Position in RGNX — REGENXBIO Inc.

CIK 932540 CHICAGO, IL

Position in RGNX

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

Position Value

$163,646

+$149,585 QoQ

Shares Held

13,660

+714.1% QoQ

Ownership

0.021%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#105

of 163 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. RGNX ranks #64 (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	$163,646	13,660	+714.1%	Shares	Sole	2026-08-14
2026-03-31	$14,061	1,678	+108.7%	Shares	Sole	2026-05-13
2025-12-31	$11,577	804	-85.6%	Shares	Sole	2026-02-12
2025-03-31	$39,796	5,566	+41.8%	Shares	Sole	2025-05-14
2024-09-30	$41,183	3,926	+79.5%	Shares	Sole	2024-11-14
2022-12-31	$49,601	2,187	-31.1%	Shares	Sole	2023-02-09
2022-09-30	$83,941	3,176	+45.2%	Shares	Sole	2022-11-09
2022-06-30	$54,018	2,187	+118.0%	Shares	Sole	2022-08-11
2021-09-30	$42,045	1,003	+37.4%	Shares	Sole	2021-11-12
2021-06-30	$28,360	730	-81.3%	Shares	Sole	2021-08-10
2021-03-31	$133,029	3,900	-62.8%	Shares	Sole	2021-05-12
2020-12-31	$475,146	10,475	+1696.7%	Shares	Sole	2021-02-10
2020-06-30	$21,471	583	-96.0%	Shares	Sole	2020-08-13
2020-03-31	$469,898	14,512	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.