IBKR· Interactive Brokers Group In

CUSIP 45841N107·Sector Financial Services →·

·Investor Relations ↗

Current price

$84.42

Market cap

$143.5B

52w low

$48.23

52w high

$87.37

Whale holders

Aggregate held

$754M

Net flow (Q/Q)

-$66M

Insider buys/sells · last 6 mo · open market only

	Transactions	Total $
Buys	4	$9K
Sells	1	$2M

Whale	% of portfolio	Recent activity	Δ shares	Value
Cantillon Capital Management LLC	5.0%	Reduce 11.9%	-1,514,023	$754M

Held alongside IBKR

Top stocks IBKR's whales also own — ranked by holder overlap

MSFTMicrosoft Corp.· 3 shared VVisa, Inc.· 2 shared GOOGLAlphabet Inc.· 2 shared CMECme Group Inc.· 2 shared FERGFerguson Enterprises· 2 shared UBERUber Technologies Inc.· 2 shared MCOMoodys Corp.· 2 shared GOOGAlphabet Inc.· 2 shared LPLALpl Finl Hldgs Inc.· 2 shared

Quarterly ownership history

Last 6 quarters

Quarter	Whales	Aggregate	Buying	Selling	Net flow
2026-03-31	1	$754M	0 · $0	1 · $66M	-$66M
2025-12-31	4	$1.4B	1 · $16M	3 · $62M	-$46M
2025-09-30	4	$1.4B	3 · $184M	1 · $16M	$168M
2025-06-30	4	$1.3B	4 · $333M	0 · $0	$333M
2025-03-31	4	$927M	1 · $545M	3 · $38M	$507M
2024-12-31	3	$420M	3 · $420M	0 · $0	$420M

IBKR Financials

Live via yfinance — refreshed daily.

Valuation

Market capitalization$143.5B

Enterprise value-$38.9B

EV / EBITDA (TTM)—

P/E ratio (TTM)36.23

Forward P/E29.56

P/S ratio22.27

P/B ratio6.73

PEG ratio2.28

Cash Flow

Operating cash flow (TTM)$16.8B

Free cash flow (TTM)—

Total cash$124.6B

Total debt$32.4B

Debt / equity152.19

Current ratio1.10

Income Statement

Total revenue (TTM)$6.4B

Revenue per share (TTM)14.54

Gross profit (TTM)$6.0B

EBITDA (TTM)—

Net income (TTM)$1.0B

EPS diluted (TTM)2.33

Shares outstanding445,484,364

Float shares433,118,107

Profitability

Gross margin93.02%

Operating margin76.81%

EBITDA margin0.00%

Net margin16.11%

Efficiency

Return on assets (TTM)2.42%

Return on equity (TTM)23.56%

Price History

Current price$84.42

52 Week high$87.37

52 Week low$48.23

50 day average$72.81

200 day average$68.99

Average volume (10 day)4,316,030

1-year beta1.32

1-year price target$86.00

Dividends

Dividend yield0.41%

Dividend rate (annual)$0.35

Payout ratio13.73%

Fundamentals are sourced from yfinance and refreshed daily. Last updated May 10, 2026, 5:38 PM. Empty cells (—) mean yfinance doesn't have that field for this ticker (common for ADRs, recent IPOs, or non-applicable ratios).

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