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Side-by-side financial comparison of BlackRock (BLK) and Schlumberger (SLB). Click either name above to swap in a different company.

Schlumberger is the larger business by last-quarter revenue ($8.7B vs $7.0B, roughly 1.2× BlackRock). BlackRock runs the higher net margin — 16.1% vs 8.6%, a 7.5% gap on every dollar of revenue. BlackRock produced more free cash flow last quarter ($2.1B vs $103.0M). Over the past eight quarters, BlackRock's revenue compounded faster (24.5% CAGR vs -2.3%).

BlackRock, Inc. is an American multinational investment company. Founded in 1988, initially as an enterprise risk management and fixed income institutional asset manager, BlackRock is the world's largest asset manager, with $12.5 trillion in assets under management as of 2025. Headquartered in New York City, BlackRock has 70 offices in 30 countries and clients in 100 countries.

SLB, formerly known as Schlumberger, is an American multinational oilfield services company. Founded in France in 1926, the company is now incorporated as SLB N.V. in Willemstad, Curaçao, with principal executive offices in four cities: Paris, France; Houston, Texas, United States; London, UK; and The Hague, Netherlands. As of 2022, it is both the world's largest offshore drilling company and the world's largest offshore drilling contractor by revenue.

BLK vs SLB — Head-to-Head

Bigger by revenue
SLB
SLB
1.2× larger
SLB
$8.7B
$7.0B
BLK
Higher net margin
BLK
BLK
7.5% more per $
BLK
16.1%
8.6%
SLB
More free cash flow
BLK
BLK
$2.0B more FCF
BLK
$2.1B
$103.0M
SLB
Faster 2-yr revenue CAGR
BLK
BLK
Annualised
BLK
24.5%
-2.3%
SLB

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BLK
BLK
SLB
SLB
Revenue
$7.0B
$8.7B
Net Profit
$1.1B
$752.0M
Gross Margin
Operating Margin
23.7%
Net Margin
16.1%
8.6%
Revenue YoY
2.7%
Net Profit YoY
-5.6%
EPS (diluted)
$7.05
$0.50

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
BLK
BLK
SLB
SLB
Q1 26
$8.7B
Q4 25
$7.0B
$9.7B
Q3 25
$6.5B
$8.9B
Q2 25
$5.4B
$8.5B
Q1 25
$5.3B
$8.5B
Q4 24
$9.3B
Q3 24
$5.2B
$9.2B
Q2 24
$4.8B
$9.1B
Net Profit
BLK
BLK
SLB
SLB
Q1 26
$752.0M
Q4 25
$1.1B
$824.0M
Q3 25
$1.3B
$739.0M
Q2 25
$1.6B
$1.0B
Q1 25
$1.5B
$797.0M
Q4 24
$1.1B
Q3 24
$1.6B
$1.2B
Q2 24
$1.5B
$1.1B
Operating Margin
BLK
BLK
SLB
SLB
Q1 26
Q4 25
23.7%
9.7%
Q3 25
30.0%
11.2%
Q2 25
31.9%
15.0%
Q1 25
32.2%
12.5%
Q4 24
14.9%
Q3 24
38.6%
16.5%
Q2 24
37.5%
15.5%
Net Margin
BLK
BLK
SLB
SLB
Q1 26
8.6%
Q4 25
16.1%
8.5%
Q3 25
20.3%
8.3%
Q2 25
29.4%
11.9%
Q1 25
28.6%
9.4%
Q4 24
11.8%
Q3 24
31.4%
12.9%
Q2 24
31.1%
12.2%
EPS (diluted)
BLK
BLK
SLB
SLB
Q1 26
$0.50
Q4 25
$7.05
$0.53
Q3 25
$8.43
$0.50
Q2 25
$10.19
$0.74
Q1 25
$9.64
$0.58
Q4 24
$0.77
Q3 24
$10.90
$0.83
Q2 24
$9.99
$0.77

Balance Sheet & Financial Strength

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

Metric
BLK
BLK
SLB
SLB
Cash + ST InvestmentsLiquidity on hand
$11.5B
$3.4B
Total DebtLower is stronger
$12.8B
$9.7B
Stockholders' EquityBook value
$55.9B
$27.4B
Total Assets
$170.0B
$19.3B
Debt / EquityLower = less leverage
0.23×
0.35×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BLK
BLK
SLB
SLB
Q1 26
$3.4B
Q4 25
$11.5B
$1.2B
Q3 25
$10.0B
$571.0M
Q2 25
$9.5B
$511.0M
Q1 25
$7.7B
$961.0M
Q4 24
$1.1B
Q3 24
$14.0B
$1.4B
Q2 24
$1.1B
Total Debt
BLK
BLK
SLB
SLB
Q1 26
$9.7B
Q4 25
$12.8B
Q3 25
$12.8B
Q2 25
$12.8B
Q1 25
$12.3B
Q4 24
Q3 24
$12.4B
Q2 24
Stockholders' Equity
BLK
BLK
SLB
SLB
Q1 26
$27.4B
Q4 25
$55.9B
$26.1B
Q3 25
$55.5B
$25.6B
Q2 25
$49.1B
$20.3B
Q1 25
$48.0B
$19.5B
Q4 24
$21.1B
Q3 24
$41.2B
$21.5B
Q2 24
$40.3B
$21.1B
Total Assets
BLK
BLK
SLB
SLB
Q1 26
$19.3B
Q4 25
$170.0B
$54.9B
Q3 25
$162.7B
$55.1B
Q2 25
$146.5B
$48.8B
Q1 25
$141.9B
$49.0B
Q4 24
$48.9B
Q3 24
$132.8B
$49.8B
Q2 24
$49.4B
Debt / Equity
BLK
BLK
SLB
SLB
Q1 26
0.35×
Q4 25
0.23×
Q3 25
0.23×
Q2 25
0.26×
Q1 25
0.26×
Q4 24
Q3 24
0.30×
Q2 24

Cash Flow & Capital Efficiency

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

Metric
BLK
BLK
SLB
SLB
Operating Cash FlowLast quarter
$2.3B
Free Cash FlowOCF − Capex
$2.1B
$103.0M
FCF MarginFCF / Revenue
30.6%
1.2%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
2.02×
TTM Free Cash FlowTrailing 4 quarters
$3.6B
$4.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BLK
BLK
SLB
SLB
Q1 26
Q4 25
$2.3B
$3.0B
Q3 25
$1.4B
$1.7B
Q2 25
$1.4B
$1.1B
Q1 25
$-1.1B
$660.0M
Q4 24
$2.4B
Q3 24
$2.4B
Q2 24
$1.4B
Free Cash Flow
BLK
BLK
SLB
SLB
Q1 26
$103.0M
Q4 25
$2.1B
$2.5B
Q3 25
$1.3B
$1.3B
Q2 25
$1.3B
$771.0M
Q1 25
$-1.2B
$262.0M
Q4 24
$1.8B
Q3 24
$2.0B
Q2 24
$973.0M
FCF Margin
BLK
BLK
SLB
SLB
Q1 26
1.2%
Q4 25
30.6%
25.5%
Q3 25
20.5%
14.3%
Q2 25
23.5%
9.0%
Q1 25
-22.9%
3.1%
Q4 24
19.2%
Q3 24
21.7%
Q2 24
10.6%
Capex Intensity
BLK
BLK
SLB
SLB
Q1 26
Q4 25
1.9%
5.3%
Q3 25
1.2%
4.6%
Q2 25
1.6%
4.3%
Q1 25
1.5%
4.7%
Q4 24
6.6%
Q3 24
5.0%
Q2 24
5.1%
Cash Conversion
BLK
BLK
SLB
SLB
Q1 26
Q4 25
2.02×
3.65×
Q3 25
1.07×
2.28×
Q2 25
0.86×
1.13×
Q1 25
-0.75×
0.83×
Q4 24
2.18×
Q3 24
2.06×
Q2 24
1.29×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BLK
BLK

Investment Advice$5.3B75%
Investment Performance$754.0M11%
Technology Services And Subscription Revenue$531.0M8%
Distribution And Shareholder Service$359.0M5%
Service Other$86.0M1%

SLB
SLB

Segment breakdown not available.

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