IBKR

Interactive Brokers Group, Inc.

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Financial Services · Capital Markets

$90.28

−$0.69−0.76%

Delayed · 2026-09-09T20:00:00.000Z · marketstack

3 of 47tracked managers hold this· Q2 2026

Aug 10, 2026$90.28

−$0.38−0.42%over 1M

Day range2% of range

$90.25$91.86

Session

Previous close: $90.97
Open: $90.99
Volume: 2.65M
Avg volume: -
Day high: $91.86
Day low: $90.25

Fundamentals

Visualize fundamentals and more

Market cap: 40.44B
P/E ratio: 8.30
EPS (TTM): $10.88
Dividend yield: -
Beta: 1.36
Shares outstanding: 447.9M

Source SEC EDGAR · 9/10/2026

Tracked investors

As of Q2 2026 · 72 days ago · next update ~14 Nov 2026· what moved this quarter, onMeasure

3 fund managers this platform follows disclosed a position here, from quarterly SEC filings up to 45 days old; a manager may have sold since without yet having to say so.

Andreas Halvorsen
Viking Global
$420.47M
1.20%of book
Stephen Mandel
Lone Pine Capital
$50.28M
0.31%of book

1 more holder, included withMeasure

Manager	Position	Share of their book	Last change
Andreas Halvorsen Viking Global	$420.47M	1.20%
Stephen Mandel Lone Pine Capital	$50.28M	0.31%

1 more holder, included withMeasure

Share price, with each quarter a tracked manager’s position changed shaded across the range it traded in.

306090

now

Q3 '24

Q4 '24

Q1 '25

Q2 '25

Q3 '25

Q4 '25

Q1 '26

Q2 '26

Hover a shaded quarter to see it moved. Who, and the range they traded in, is onBespoke

13F filings cover US-listed shares only (not cash, bonds, shorts, or private holdings) and are never a recommendation to do the same.

Risk factors, year on year

Item 1AFebruary 2026 10-KFebruary 2025as filed.

added: 25
dropped: 7
re-drafted: 23

Out of 120 passages in this year’s Item 1A.

New this year

Future sale s of our common stock in the public market could lower our stock price, and any additional capital raised by us through the sale of equity or convertible securities may dilute your ownership in us.

31 more passages, included withBespoke

Recent activity

18 more events, included withMeasure

Discussion

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Ask about Interactive Brokers Group, Inc.

The assistant answers from what IBKR has actually filed: 18 annual reports filed with the SEC, 87 Form 4 filings from the last year, 13F positions from the 3 tracked investors who hold it and 6 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

Pressing one answers it here, from IBKR's filings and figures. One a day without an account; a free account has its own, and no card.

See every investor holding Interactive Brokers Group, Inc., and every quarter they moved.

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What an account lets you do with Interactive Brokers Group, Inc.

Separate the decisions from the paperwork
Every Form 4 IBKR insiders have filed, with vesting and automatic tax sales struck out: what's left is the buys and sells somebody actually chose to make.
Every filingMeasure
Watch the same stakes the professionals are watching
Every tracked position priced at the quarter it was filed and diffed against the one before it: who added, who trimmed, who walked away.
Every position they holdMeasure
Interrogate the filing, not the internet
Ask anything about Interactive Brokers Group, Inc.'s fundamentals. The assistant answers from its own filings and cites the figure, never a guess from the open web.

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