Financials · Security Brokers, Dealers & Flotation Companies

IBKR Interactive Brokers SEC Filings & Insider Trading Activity 2026

company
CIK 138119787 filings
S&P 500

IBKR at a glance

Interactive Brokers (IBKR, SEC CIK 1381197) filed its latest 10-K annual report on February 27, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on July 31, 2026 and Form 4 insider filings as recently as October 5, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), Interactive Brokers (IBKR) reported revenue of $2.4 billion (up 23.4% from FY2024) and net income of $984.0 million. Diluted EPS was $2.22.
  • As of June 30, 2026, 44 institutional investment managers tracked by SignalX reported holding Interactive Brokers (IBKR) shares worth $14.3 billion in 13F-HR filings.
  • The most recent insider open-market purchase reported on Form 4 was by Conkling Lori A on October 1, 2026 of 25 shares at $85.42 per share.
  • In the last 90 days, IBKR insiders reported 3 open-market purchases ($7K) and 0 open-market sales ($0) on Form 4, a net purchase of $7K.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$2.4B
+23.4% vs prior year
Insiders · 90 days
3 buys · 0 sells
Net +$7K
13F holders
44 funds
$14.3B · +4 vs prior quarter
Latest 8-K
Jul 31, 2026
Item 8.01

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

Business Overview

  • Automated global broker serving ~4.4M institutional/individual accounts across 170+ exchanges, 40 countries, 29 currencies from single unified platform
  • Joined S&P 500 on August 28, 2025: milestone driving increased index fund ownership and enhanced stock liquidity
  • New offerings highlighted this year: IBKR InvestMentor microlearning app, IBKR GlobalTrader 2.0, AI-powered Ask IBKR portfolio tool, and expanded forecast/event contracts via ForecastEx
  • 4-for-1 stock split executed June 2025; authorized Class A shares increased from 1B to 4B shares
  • 3,182 employees across 24 cities in 16 countries; aggregate excess regulatory capital $14.1B as of December 31, 2025

Risk Factors

  • Emerging regulatory risk: ForecastEx (CFTC-registered DCM/DCO) faces state gaming authority litigation and uncertain legal framework for prediction/election contracts
  • International exposure: ~30% of net revenues from non-U.S. subsidiaries; U.S.-China tensions flagged as specific regional threat to Hong Kong operations
  • Operational vulnerability: no fully redundant systems; no business interruption insurance; hybrid work model increases cyber incident exposure
  • Key-person dependency: Thomas Peterffy controls ~73.7% combined voting power; Compensation Committee he chairs sets his own pay
  • Structural risk: potential $44.6B tax basis step-up liability requiring 85% of realized tax savings paid to Holdings under Tax Receivable Agreement

Management Discussion & Analysis

  • Net revenues $6,205M, up $1,020M (+20%) YoY; commissions +27% to $2,149M, net interest income +13% to $3,563M
  • Pretax profit margin 77% vs 71% prior year; non-interest expenses fell to 23% of net revenues vs 29% prior year
  • Operating cash flow $15.8B vs $8.7B prior year; capex $67M; financing outflows $969M for dividends, distributions, and TRA payments
  • Total accounts +32% to 4.4M; customer equity +37% to $779.9B; NIM declined to 2.08% from 2.35% on lower benchmark rates
  • Key risks: rate cuts reducing NIM (~$77M impact per 25bps move), geopolitical uncertainty, tariff policy volatility, intensifying broker competition, and expanded AI regulatory scrutiny

AI summary of the IBKR 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Risk Factors

  • No Risk Factors section provided in the submitted filing excerpt
  • No newly added risk factor or trigger identifiable
  • No regulatory, legal, operational, competitive, market, or financial risk updates disclosed
  • Stock sales: 1,729,969 shares sold for employee tax withholding, with fair value of $150 million

AI summary of the IBKR 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Jul 31, 2026Full analysis →

Item 8.01: Other Events

  • Prospectus Supplement registers up to 920,000 IBKR common shares for potential issuance
  • Shelf registration enables flexible capital raising without immediate issuance or dilution
Filed Jul 31, 2026Full analysis →

Item 8.01: Other Events

  • Prospectus Supplement registers 2,499,567 common shares for potential issuance under the existing Form S-3 shelf
  • Expanded financing flexibility, enabling future share sales without a new registration process
Filed Jul 21, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Q2 2026 results for quarter ended June 30, 2026
  • Press release furnished as Exhibit 99.1, containing the detailed financial results

Item EX-99.1: Item EX-99.1

  • 2Q26 GAAP diluted EPS $0.69 versus $0.51, with net revenues $1.90B versus $1.48B, signaling substantial earnings growth
  • Commission revenue rose 30% to $673M and net interest income increased 23% to $1.06B on stronger trading and customer balances

AI summaries of IBKR 8-K current reports filed with the SEC. What 8-K item codes mean

SignalX for IBKR

Don't miss the next IBKR filing

  • Alerts as it files. A push when IBKR files an 8-K or an insider trades.
  • Fund moves. Which tracked funds opened, added or cut IBKR, by share count.
  • Ask anything. An AI agent that reads every IBKR filing and answers with sources.

IBKR alerts on your phone. Follow it in the SignalX Android app.

Get it on Google Play

Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Conkling Lori ABuyOct 1, 2026$85.42
Conkling Lori ABuySep 1, 2026$94.53
Conkling Lori ABuyAug 3, 2026$87.03
Nemser Earl HAJul 31, 2026$87.99
Conkling Lori ABuyJul 1, 2026$88.03
Conkling Lori ABuyJun 1, 2026$86.10
Frank Thomas AJFMay 8, 2026$84.42
Nemser Earl HFMay 8, 2026$84.42

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue$1.6B$2.0B$2.4B
Net Income$600.0M$755.0M$984.0M
Net Margin38.5%38.2%40.3%
Balance Sheet
Total Assets$128.4B$150.1B$203.2B
Equity$3.6B$4.3B$5.4B
ROE16.7%17.6%18.3%
Per Share
EPS$5.67$6.93$2.22
Cash Flow
Operating CF$4.5B$8.7B$15.8B

Source: XBRL data in Interactive Brokers (IBKR)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate IBKR share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
IBKR shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202644$14.30B
Q1 202640$11.06B
Q4 202539$10.46B
Q3 202540$12.02B
Q2 202535$9.04B
Q1 202534$5.21B
Q4 202427$4.00B
Q3 202425$1.32B
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
Closed Positions
None this quarter.

Source: 13F-HR filings on SEC EDGAR (aggregated from 284 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

IBKR filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Oct 5, 2026--
4Sep 2, 2026--
10-QAug 6, 2026Analysis
4Aug 4, 2026--
4Aug 4, 2026--
8-KJul 31, 2026Analysis-
8-KJul 31, 2026Analysis-
8-KJul 21, 2026Analysis-
4Jul 1, 2026--
4Jun 2, 2026-
4May 28, 2026-
4May 28, 2026-
4May 28, 2026-
4May 28, 2026-
4May 28, 2026-
10-QMay 7, 2026Analysis
4May 4, 2026--
SC 13GApr 30, 2026-
8-KApr 29, 2026Analysis-
4Apr 29, 2026--
8-KApr 21, 2026Analysis-
4Apr 2, 2026--
4Mar 26, 2026--
10-KFeb 27, 2026Analysis
4Jan 28, 2026-

Related Financials companies

All Financials →

IBKR SEC filings: frequently asked questions

Are IBKR insiders buying or selling?

In the last 90 days, Interactive Brokers (IBKR) officers, directors and 10% owners reported 3 open-market purchases worth $6,675 by 1 insider and no open-market sales on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold IBKR stock?

As of June 30, 2026, the largest Interactive Brokers (IBKR) holders among the 13F filers tracked by SignalX were BlackRock ($2.9 billion), Vanguard Capital Management LLC ($2.5 billion), State Street Corp ($1.7 billion), FMR LLC (Fidelity) ($1.0 billion), Invesco Ltd ($845.1 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was IBKR's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), Interactive Brokers (IBKR) reported revenue of $2.4 billion (up 23.4% from FY2024) and net income of $984.0 million. Diluted EPS was $2.22. The figures come from the XBRL data in the 10-K.

What are the main risks in IBKR's latest 10-K?

In the 10-K filed February 27, 2026, Interactive Brokers (IBKR) flagged: Emerging regulatory risk: ForecastEx (CFTC-registered DCM/DCO) faces state gaming authority litigation and uncertain legal framework for prediction/election contracts. International exposure: ~30% of net revenues from non-U.S. subsidiaries; U.S.-China tensions flagged as specific regional threat to Hong Kong operations. (AI summary of the Risk Factors section.)

What did IBKR report in its latest 8-K?

Interactive Brokers (IBKR) filed an 8-K on July 31, 2026 reporting Item 8.01 (Other Events). Prospectus Supplement registers up to 920,000 IBKR common shares for potential issuance.

What are the latest IBKR SEC filings?

Interactive Brokers (IBKR) filed its latest 10-K annual report on February 27, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on July 31, 2026 and a Form 4 insider filing on October 5, 2026.

What is IBKR's SEC CIK number?

Interactive Brokers (IBKR)'s SEC Central Index Key (CIK) is 1381197. EDGAR lists every IBKR filing under that number.

Ask anything about IBKR

The research agent reads IBKR's filings, financials, insider trades and 13F holders, then answers with sources.