← Top Holdings

IBKRINTERACTIVE BROKERS GROUP IN

CUSIP: 45841N107

🔥 Bought by 2 superinvestors this quarter

4

Guru Owners

$1.36B

Total Value Held

21.2M

Total Shares

Investor	Fund	Shares	Value▼	% of Portfolio	Rpt Price	Period
William Von Mueffling	Cantillon Capital Management	12759904	$820.6M	4.44%	$64.31	Q4 2025
John Armitage	Egerton Capital	6939581	$446.3M	4.85%	$64.31	Q4 2025
Bryan Lawrence	Oakcliff Capital Partners	1030740	$66.3M	28.42%	$64.31	Q4 2025
Ray Dalio	Bridgewater Associates	488940	$31.4M	0.11%	$64.31	Q4 2025

William Von Mueffling

$820.6M

4.44%

$446.3M

4.85%

$66.3M

28.42%

$31.4M

0.11%

📊 Fundamentals

Market Cap$137.4B

P/E Ratio36.4x

Above market avg

Forward P/E28.8x

EPS (TTM)$2.22

Revenue (TTM)$6.2B

Profit Margin15.85%

Div Yield0.39%

Beta1.26

52-Week Range

$38.53

$82.88

Current: $80.83

Data from Yahoo Finance · refreshed every 4 hours

💡 Trades at 36.4x trailing earnings → 28.8x forward · 15.8% profit margin

📊 Holdings Over Time

How superinvestor ownership has changed across quarters

Quarter-by-Quarter Activity

Q4 '254 owners · $1.36B

INCREASEDWilliam Von Mueffling$820.6M

INCREASEDJohn Armitage$446.3M

REDUCEDRay Dalio$31.4M

Q3 '254 owners · $1.41B

REDUCEDWilliam Von Mueffling$871.4M

REDUCEDJohn Armitage$430.3M

NEWRay Dalio$40.1M

Q2 '253 owners · $1.21B

REDUCEDWilliam Von Mueffling$709.4M

INCREASEDJohn Armitage$446.4M

REDUCEDBryan Lawrence$57.1M

Q1 '254 owners · $899.4M

NEWWilliam Von Mueffling$545.4M

REDUCEDJohn Armitage$303.7M

REDUCEDBryan Lawrence$42.7M

NEWRay Dalio$7.7M

Q4 '242 owners · $379.5M

REDUCEDJohn Armitage$326.5M

REDUCEDBryan Lawrence$52.9M

Q3 '243 owners · $517.4M

INCREASEDJohn Armitage$471.4M

INCREASEDRay Dalio$3.8M

💰 DCF Calculator

DCF model · 10-yr forecast

Estimates depend entirely on your assumptions. Adjust the inputs below to explore scenarios.

📊 Adjust the assumptions below to calculate an estimated fair value

Projection Period

Revenue Growth Rate

11%analyst est. 10.8%

0%100%

Growth Decay Rate

15%

0% (no decay)50% (fast decay)

Terminal Growth Rate

3.0%

0%5%

FCF Margin

50.0%current: 67.0%

1%50%

Discount Rate (WACC)

8.0%typical: 8% large caps · 10% growth

5%20%

Model: 10-year DCF · 3.0% terminal growth · Based on Yahoo Finance data

🏛️ Congressional Trades

IBKR: Held by 4 superinvestors · 5 congress member trades

SELLLisa McClainR

$1,001 - $15,0002025-10-14

BUYLisa McClainR

$1,001 - $15,0002025-08-13

SELLLisa McClainR

$1,001 - $15,0002025-06-24

BUYLisa McClainR

$1,001 - $15,0002025-06-17

SELLMorgan McGarveyD

$1,001 - $15,0002024-11-13