FOX RUN MANAGEMENT, L.L.C.

Position in IBKR — Interactive Brokers Group, Inc.

CIK 1533457 GREENWICH, CT

Position in IBKR

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$408,858

-$56,489 QoQ

Shares Held

6,096

-15.8% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Mar 31, 2026

FOX RUN MANAGEMENT, L.L.C. holds $7,514,623 across 11 Capital Markets names. IBKR ranks #7 (5.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SCHW	Schwab Charles Corp	23,123	$2,173,099
2	XP	XP Inc.	79,627	$1,516,098
3	VIRT	Virtu Financial, Inc.	20,859	$917,378
4	TW	Tradeweb Markets Inc.	6,230	$733,021
5	PJT	PJT Partners Inc.	4,836	$675,685
6	MKTX	Marketaxess Holdings Inc	2,620	$432,247
7	IBKR	Interactive Brokers Group, Inc. This page	6,096	$408,858
8	MS	Morgan Stanley	1,329	$218,713

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$408,858	6,096	-15.8%	Shares	Sole	2026-05-12
2025-12-31	$465,347	7,236	+72.3%	Shares	Sole	2026-02-11
2024-12-31	$742,014	4,200	-42.7%	Shares	Sole	2025-02-11
2024-09-30	$1,021,369	7,329	+222.6%	Shares	Sole	2024-11-12
2024-06-30	$278,547	2,272	-67.8%	Shares	Sole	2024-08-13
2023-12-31	$584,113	7,046	+117.7%	Shares	Sole	2024-02-13
2023-09-30	$280,194	3,237	-64.9%	Shares	Sole	2023-11-07
2023-03-31	$761,781	9,227	+24.7%	Shares	Sole	2023-05-12
2022-06-30	$407,018	7,399	+90.1%	Shares	Sole	2022-08-12
2021-06-30	$255,886	3,893	—	Shares	Sole	2021-08-05
No filing history on record for this holder in this stock.