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Side-by-side financial comparison of Interactive Brokers Group, Inc. (IBKR) and Primoris Services Corp (PRIM). Click either name above to swap in a different company.

Primoris Services Corp is the larger business by last-quarter revenue ($1.9B vs $667.0M, roughly 2.8× Interactive Brokers Group, Inc.). Interactive Brokers Group, Inc. runs the higher net margin — 180.1% vs 2.8%, a 177.3% gap on every dollar of revenue. On growth, Interactive Brokers Group, Inc. posted the faster year-over-year revenue change (19.5% vs 6.7%). Over the past eight quarters, Interactive Brokers Group, Inc.'s revenue compounded faster (23.4% CAGR vs 14.7%).

Interactive Brokers, Inc. is an American multinational brokerage firm headquartered in Greenwich, Connecticut. It operates the largest electronic trading platform in the United States by number of daily average revenue trades. In 2024, the platform processed an average of 2.6 million trades per trading day. Interactive Brokers is the largest foreign exchange market broker and is one of the largest prime brokers servicing commodity brokers. The company brokers stocks, options, futures contract...

Primoris Services Corporation is a publicly traded specialty construction and infrastructure company based in the United States, with a particular focus on pipelines for natural gas, wastewater and water. As of 2014 it was a Fortune 1000 company.

IBKR vs PRIM — Head-to-Head

Bigger by revenue
PRIM
PRIM
2.8× larger
PRIM
$1.9B
$667.0M
IBKR
Growing faster (revenue YoY)
IBKR
IBKR
+12.9% gap
IBKR
19.5%
6.7%
PRIM
Higher net margin
IBKR
IBKR
177.3% more per $
IBKR
180.1%
2.8%
PRIM
Faster 2-yr revenue CAGR
IBKR
IBKR
Annualised
IBKR
23.4%
14.7%
PRIM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IBKR
IBKR
PRIM
PRIM
Revenue
$667.0M
$1.9B
Net Profit
$1.2B
$51.7M
Gross Margin
9.4%
Operating Margin
4.2%
Net Margin
180.1%
2.8%
Revenue YoY
19.5%
6.7%
Net Profit YoY
23.9%
-4.2%
EPS (diluted)
$-0.82
$0.94

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
IBKR
IBKR
PRIM
PRIM
Q4 25
$667.0M
$1.9B
Q3 25
$603.0M
$2.2B
Q2 25
$578.0M
$1.9B
Q1 25
$592.0M
$1.6B
Q4 24
$558.0M
$1.7B
Q3 24
$507.0M
$1.6B
Q2 24
$474.0M
$1.6B
Q1 24
$438.0M
$1.4B
Net Profit
IBKR
IBKR
PRIM
PRIM
Q4 25
$1.2B
$51.7M
Q3 25
$1.2B
$94.6M
Q2 25
$1.0B
$84.3M
Q1 25
$964.0M
$44.2M
Q4 24
$969.0M
$54.0M
Q3 24
$834.0M
$58.4M
Q2 24
$809.0M
$49.5M
Q1 24
$795.0M
$18.9M
Gross Margin
IBKR
IBKR
PRIM
PRIM
Q4 25
9.4%
Q3 25
10.8%
Q2 25
12.3%
Q1 25
10.4%
Q4 24
10.6%
Q3 24
12.0%
Q2 24
11.9%
Q1 24
9.4%
Operating Margin
IBKR
IBKR
PRIM
PRIM
Q4 25
4.2%
Q3 25
6.3%
Q2 25
6.7%
Q1 25
4.3%
Q4 24
5.0%
Q3 24
6.0%
Q2 24
5.5%
Q1 24
3.1%
Net Margin
IBKR
IBKR
PRIM
PRIM
Q4 25
180.1%
2.8%
Q3 25
196.7%
4.3%
Q2 25
174.0%
4.5%
Q1 25
162.8%
2.7%
Q4 24
173.7%
3.1%
Q3 24
164.5%
3.5%
Q2 24
170.7%
3.2%
Q1 24
181.5%
1.3%
EPS (diluted)
IBKR
IBKR
PRIM
PRIM
Q4 25
$-0.82
$0.94
Q3 25
$0.59
$1.73
Q2 25
$0.51
$1.54
Q1 25
$1.94
$0.81
Q4 24
$2.00
$0.98
Q3 24
$1.67
$1.07
Q2 24
$1.65
$0.91
Q1 24
$1.61
$0.35

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
IBKR
IBKR
PRIM
PRIM
Cash + ST InvestmentsLiquidity on hand
$5.0B
$535.5M
Total DebtLower is stronger
$469.9M
Stockholders' EquityBook value
$5.4B
$1.7B
Total Assets
$203.2B
$4.4B
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IBKR
IBKR
PRIM
PRIM
Q4 25
$5.0B
$535.5M
Q3 25
$5.1B
$431.4M
Q2 25
$4.7B
$390.3M
Q1 25
$3.5B
$351.6M
Q4 24
$3.6B
$455.8M
Q3 24
$3.6B
$352.7M
Q2 24
$3.9B
$207.4M
Q1 24
$4.1B
$177.6M
Total Debt
IBKR
IBKR
PRIM
PRIM
Q4 25
$469.9M
Q3 25
$486.0M
Q2 25
$603.1M
Q1 25
$612.0M
Q4 24
$734.8M
Q3 24
$903.7M
Q2 24
$933.0M
Q1 24
$951.7M
Stockholders' Equity
IBKR
IBKR
PRIM
PRIM
Q4 25
$5.4B
$1.7B
Q3 25
$5.1B
$1.6B
Q2 25
$4.8B
$1.5B
Q1 25
$4.5B
$1.4B
Q4 24
$4.3B
$1.4B
Q3 24
$4.1B
$1.4B
Q2 24
$3.9B
$1.3B
Q1 24
$3.7B
$1.2B
Total Assets
IBKR
IBKR
PRIM
PRIM
Q4 25
$203.2B
$4.4B
Q3 25
$200.2B
$4.6B
Q2 25
$181.5B
$4.5B
Q1 25
$157.7B
$4.2B
Q4 24
$150.1B
$4.2B
Q3 24
$148.5B
$4.2B
Q2 24
$136.6B
$4.0B
Q1 24
$132.2B
$4.0B
Debt / Equity
IBKR
IBKR
PRIM
PRIM
Q4 25
0.28×
Q3 25
0.30×
Q2 25
0.39×
Q1 25
0.42×
Q4 24
0.52×
Q3 24
0.67×
Q2 24
0.72×
Q1 24
0.76×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
IBKR
IBKR
PRIM
PRIM
Operating Cash FlowLast quarter
$1.6B
$142.9M
Free Cash FlowOCF − Capex
$121.1M
FCF MarginFCF / Revenue
6.5%
Capex IntensityCapex / Revenue
1.2%
Cash ConversionOCF / Net Profit
1.34×
2.76×
TTM Free Cash FlowTrailing 4 quarters
$340.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IBKR
IBKR
PRIM
PRIM
Q4 25
$1.6B
$142.9M
Q3 25
$4.5B
$182.9M
Q2 25
$7.1B
$78.5M
Q1 25
$2.6B
$66.2M
Q4 24
$1.8B
$298.3M
Q3 24
$3.6B
$222.5M
Q2 24
$1.6B
$16.1M
Q1 24
$1.7B
$-28.5M
Free Cash Flow
IBKR
IBKR
PRIM
PRIM
Q4 25
$121.1M
Q3 25
$148.4M
Q2 25
$45.3M
Q1 25
$25.6M
Q4 24
$270.0M
Q3 24
$158.8M
Q2 24
$-8.1M
Q1 24
$-38.9M
FCF Margin
IBKR
IBKR
PRIM
PRIM
Q4 25
6.5%
Q3 25
6.8%
Q2 25
2.4%
Q1 25
1.6%
Q4 24
15.5%
Q3 24
9.6%
Q2 24
-0.5%
Q1 24
-2.8%
Capex Intensity
IBKR
IBKR
PRIM
PRIM
Q4 25
1.2%
Q3 25
1.6%
Q2 25
1.8%
Q1 25
2.5%
Q4 24
1.6%
Q3 24
3.9%
Q2 24
1.5%
Q1 24
0.7%
Cash Conversion
IBKR
IBKR
PRIM
PRIM
Q4 25
1.34×
2.76×
Q3 25
3.78×
1.93×
Q2 25
7.10×
0.93×
Q1 25
2.68×
1.50×
Q4 24
1.90×
5.53×
Q3 24
4.29×
3.81×
Q2 24
2.00×
0.32×
Q1 24
2.12×
-1.50×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

IBKR
IBKR

Commissions$582.0M87%
Risk Exposure Fees$21.0M3%
Market Data Fees$20.0M3%
Payments For Order Flow$17.0M3%
Other$17.0M3%
Fdic Sweep Fees$10.0M1%

PRIM
PRIM

Energy Segment$1.2B64%
Unit Price Contracts$473.7M25%
Cost Reimbursable Contracts$121.3M7%
Other$74.9M4%

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