JANE STREET GROUP, LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 1595888 NEW YORK, NY

Back to MKTX Full portfolio

Position in MKTX

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

Position Value

$8,778,791

+$6,676,947 QoQ

Shares Held

77,353

+507.2% QoQ

Ownership

0.220%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#62

of 393 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Derivatives in MKTX

reported options exposure · as of Jun 30, 2026

CallValue

$249,678

CallShares

2,200

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Capital Markets

Financial Services · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $2,144,902,285 across 56 Capital Markets names. MKTX ranks #18 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RIOT	Riot Platforms, Inc.	16,826,113	$460,698,973
2	IBKR	Interactive Brokers Group, Inc.	3,350,116	$291,594,095
3	SCHW	Schwab Charles Corp	2,180,123	$201,159,949
4	IREN	IREN Ltd	4,245,142	$194,130,343
5	LPLA	LPL Financial Holdings Inc.	642,484	$180,974,892
6	GS	Goldman Sachs Group Inc	150,045	$151,751,010
7	GLXY	Galaxy Digital Inc.	5,233,560	$143,085,530
8	HUT	Hut 8 Corp.	1,201,989	$138,763,618

All Filings in MKTX

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$249,678	2,200	+57.1%	Call	Defined	2026-08-14
2026-06-30	$8,778,791	77,353	+507.2%	Shares	Defined	2026-08-14
2026-03-31	$2,101,844	12,740	+2.8%	Shares	Defined	2026-05-12
2025-12-31	$2,246,049	12,392	-92.6%	Shares	Defined	2026-02-12
2025-12-31	$253,750	1,400	-12.5%	Call	Defined	2026-02-12
2025-12-31	$253,750	1,400	-70.8%	Put	Defined	2026-02-12
2025-09-30	$278,800	1,600	-15.8%	Call	Defined	2025-11-14
2025-09-30	$836,400	4,800	+380.0%	Put	Defined	2025-11-14
2025-09-30	$29,208,132	167,622	+73.2%	Shares	Defined	2025-11-14
2025-06-30	$424,346	1,900	+11.8%	Call	Defined	2025-08-14
2025-06-30	$21,614,621	96,779	+2.4%	Shares	Defined	2025-08-14
2025-06-30	$223,340	1,000	-9.1%	Put	Defined	2025-08-14
2025-03-31	$20,450,050	94,523	+768.4%	Shares	Defined	2025-05-19
2025-03-31	$237,985	1,100	-90.8%	Put	Defined	2025-05-19
2025-03-31	$367,795	1,700	-86.9%	Call	Defined	2025-05-19
2024-12-31	$2,938,520	13,000	-8.5%	Call	Defined	2025-02-14
2024-12-31	$2,460,445	10,885	-58.3%	Shares	Defined	2025-02-14
2024-09-30	$6,691,431	26,118	-68.6%	Shares	Defined	2024-11-15
2024-09-30	$3,638,040	14,200	-19.3%	Call	Defined	2024-11-15
2024-09-30	$3,048,780	11,900	-44.7%	Put	Defined	2024-11-15
2024-06-30	$16,680,886	83,184	+160.5%	Shares	Defined	2024-08-15
2024-03-31	$7,001,090	31,932	-30.0%	Shares	Defined	2024-05-16
2023-12-31	$13,354,838	45,603	+313.9%	Shares	Defined	2024-02-15
2023-09-30	$2,354,098	11,019	-76.7%	Shares	Defined	2023-11-15
2023-06-30	$12,364,381	47,297	+45.8%	Shares	Defined	2023-08-14
2023-03-31	$12,691,490	32,435	+301.7%	Shares	Defined	2023-05-16
2022-12-31	$2,252,035	8,075	-77.4%	Shares	Defined	2023-02-15
2022-09-30	$7,933,547	35,658	+105.7%	Shares	Defined	2022-11-15
2022-06-30	$4,438,956	17,339	+201.4%	Shares	Defined	2022-08-16
2022-03-31	$1,956,830	5,752	+155.2%	Shares	Defined	2022-05-17
2022-03-31	$5,987,520	17,600	-46.5%	Call	Defined	2022-05-17
2022-03-31	$7,314,300	21,500	-2.3%	Put	Defined	2022-05-17
2021-12-31	$9,047,940	22,000	-11.6%	Put	Defined	2022-02-15
2021-12-31	$927,001	2,254	-40.1%	Shares	Defined	2022-02-15
2021-12-31	$13,530,783	32,900	+406.2%	Call	Defined	2022-02-15
2021-09-30	$10,475,181	24,900	+179.8%	Put	Defined	2021-11-16
2021-09-30	$1,582,214	3,761	+5.8%	Shares	Defined	2021-11-16
2021-09-30	$2,734,485	6,500	-4.4%	Call	Defined	2021-11-16
2021-06-30	$3,152,412	6,800	+33.3%	Call	Defined	2021-08-16
2021-06-30	$4,125,951	8,900	-30.5%	Put	Defined	2021-08-16
2021-06-30	$1,647,598	3,554	+304.3%	Shares	Defined	2021-08-16
2021-03-31	$6,373,376	12,800	+62.0%	Put	Defined	2021-05-18
2021-03-31	$2,539,392	5,100	-10.5%	Call	Defined	2021-05-18
2021-03-31	$437,671	879	-82.7%	Shares	Defined	2021-05-18
2020-12-31	$2,891,597	5,068	+59.1%	Shares	Defined	2021-02-17
2020-12-31	$4,507,424	7,900	+17.9%	Put	Defined	2021-02-17
2020-12-31	$3,252,192	5,700	-23.0%	Call	Defined	2021-02-17
2020-09-30	$3,226,653	6,700	—	Put	Defined	2020-11-17
2020-09-30	$3,563,766	7,400	—	Call	Defined	2020-11-17
2020-09-30	$1,534,345	3,186	—	Shares	Defined	2020-11-17
No filing history on record for this holder in this stock.