GROUP ONE TRADING LLC

Position in MBI — Mbia Inc

CIK 932540 CHICAGO, IL

Position in MBI

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

Position Value

$841,366

+$415,037 QoQ

Shares Held

129,044

+78.9% QoQ

Ownership

0.253%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#31

of 129 holders

Holding Since

Mar 2021

17 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $995,733 across 4 Insurance - Specialty names. MBI ranks #1 (84.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MBI	Mbia Inc This page	129,044	$841,366
2	OSG	Octave Specialty Group Inc	22,576	$140,874
3	FNF	Fidelity National Financial, Inc.	199	$9,384
4	NMIH	NMI Holdings, Inc.	100	$4,109

17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$841,366	129,044	+78.9%	Shares	Sole	2026-08-14
2026-03-31	$426,329	72,137	-61.3%	Shares	Sole	2026-05-13
2025-12-31	$1,333,671	186,267	-6.0%	Shares	Sole	2026-02-12
2025-09-30	$1,476,306	198,162	+23.2%	Shares	Sole	2025-11-12
2025-06-30	$697,924	160,812	-6.6%	Shares	Sole	2025-08-14
2025-03-31	$857,750	172,239	-2.0%	Shares	Sole	2025-05-14
2024-12-31	$1,135,248	175,735	+62.6%	Shares	Sole	2025-05-14
2023-09-30	$779,112	108,060	+75.1%	Shares	Sole	2023-11-09
2023-06-30	$533,269	61,721	+8.7%	Shares	Sole	2023-08-09
2023-03-31	$525,625	56,763	+35.7%	Shares	Sole	2023-05-12
2022-12-31	$537,374	41,819	-80.0%	Shares	Sole	2023-02-09
2022-09-30	$1,922,744	208,994	-30.1%	Shares	Sole	2022-11-09
2022-06-30	$3,693,242	299,048	+78.7%	Shares	Sole	2022-08-11
2022-03-31	$2,574,962	167,314	-20.3%	Shares	Sole	2022-05-12
2021-12-31	$3,315,915	210,001	+288.7%	Shares	Sole	2022-02-11
2021-09-30	$694,272	54,029	-37.4%	Shares	Sole	2021-11-12
2021-03-31	$830,754	86,357	—	Shares	Sole	2021-05-12
No filing history on record for this holder in this stock.