Cover and table of contents

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Cover and table of contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)


		QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2026


		TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number: 001-33440

INTERACTIVE BROKERS GROUP, INC.

(Exact name of registrant as specified in its charter)


Delaware (State or other jurisdiction of incorporation or organization)	30-0390693 (I.R.S. Employer Identification No.)

One Pickwick Plaza

Greenwich**,** Connecticut 06830

(Address of principal executive office)

(203) 618-5800

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  No 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S‑T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes  No 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non‑accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b‑2 of the Exchange Act. (Check one):


Large accelerated filer 	Accelerated filer 	Non‑accelerated filer 	Smaller reporting company 	Emerging growth company 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b‑2 of the Exchange Act). Yes  No 


Title of each class		Trading Symbol		Name of the exchange on which registered
Common Stock, par value $.01 per share		IBKR		The Nasdaq Global Select Market

As of May 5, 2026, there were 445,484,364 shares of the issuer’s Class A common stock, par value $0.01 per share, outstanding and 400 shares of the issuer’s Class B common stock, par value $0.01 per share, outstanding.

Table of Contents

QUARTERLY REPORT ON FORM 10‑Q FOR THE QUARTER ENDED March 31, 2026

Table of Contents


PART I	FINANCIAL INFORMATION
ITEM 1.	Financial Statements (Unaudited)		1
	Condensed Consolidated Statements of Financial Condition		1
	Condensed Consolidated Statements of Comprehensive Income		2
	Condensed Consolidated Statements of Cash Flows		3
	Condensed Consolidated Statements of Changes in Equity		4
	Notes to Condensed Consolidated Financial Statements		6
	1.	Organization of Business	6
	2.	Significant Accounting Policies	6
	3.	Trading Activities and Related Risks	15
	4.	Equity and Earnings per Share	16
	5.	Comprehensive Income	19
	6.	Financial Assets and Financial Liabilities	20
	7.	Collateralized Transactions	27
	8.	Revenues from Contracts with Customers	28
	9.	Other Income	30
	10.	Employee Incentive Plans	30
	11.	Income Taxes	32
	12.	Leases	33
	13.	Commitments, Contingencies and Guarantees	34
	14.	Segment Reporting and Geographic Information	35
	15.	Regulatory Requirements	36
	16.	Related Party Transactions	37
	17.	Subsequent Events	37
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		38
ITEM 3.	Quantitative and Qualitative Disclosures about Market Risk		56
ITEM 4.	Controls and Procedures		60
PART II.	OTHER INFORMATION
ITEM 1.	Legal Proceedings		61
ITEM 1A.	Risk Factors		61
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds		61
ITEM 3.	Defaults upon Senior Securities		61
ITEM 4.	Mine Safety Disclosures		61
ITEM 5.	Other Information		61
ITEM 6.	Exhibits		62
	Signature

Table of Contents

PART I. FINANC****IAL INFORMATION

Next: Item 1. FINANCIAL STATEMENTS (Unaudited)