GROUP ONE TRADING LLC

Position in SLDB — Solid Biosciences Inc.

CIK 932540 CHICAGO, IL

Position in SLDB

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

Position Value

$42,257

+$5,299 QoQ

Shares Held

4,230

-35.4% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#126

of 155 holders

Holding Since

Mar 2020

16 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $113,693,047 across 200 Biotechnology names. SLDB ranks #98 (0.0% 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

16 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$42,257	4,230	-35.4%	Shares	Sole	2026-08-14
2025-12-31	$36,958	6,553	+38.0%	Shares	Sole	2026-02-12
2025-09-30	$29,307	4,750	+26.1%	Shares	Sole	2025-11-12
2025-03-31	$13,941	3,768	-55.3%	Shares	Sole	2025-05-14
2024-09-30	$58,715	8,424	+3836.4%	Shares	Sole	2024-11-14
2023-09-30	$539	214	0.0%	Shares	Sole	2023-11-09
2023-06-30	$1,121	214	-21.9%	Shares	Sole	2023-08-09
2023-03-31	$1,298	274	-4.5%	Shares	Sole	2023-05-12
2022-12-31	$1,544	287	-98.3%	Shares	Sole	2023-02-09
2022-09-30	$7,777	16,655	+21.1%	Shares	Sole	2022-11-09
2022-06-30	$8,473	13,755	+6.2%	Shares	Sole	2022-08-11
2021-09-30	$30,940	12,946	-47.8%	Shares	Sole	2021-11-12
2021-03-31	$137,121	24,796	+25.9%	Shares	Sole	2021-05-12
2020-12-31	$149,326	19,700	+6.2%	Shares	Sole	2021-02-10
2020-06-30	$54,357	18,552	-67.0%	Shares	Sole	2020-08-13
2020-03-31	$134,196	56,149	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.