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Side-by-side financial comparison of Biogen (BIIB) and Blackstone Inc. (BX). Click either name above to swap in a different company.

Blackstone Inc. is the larger business by last-quarter revenue ($3.3B vs $2.3B, roughly 1.4× Biogen). Blackstone Inc. runs the higher net margin — 36.7% vs -2.1%, a 38.9% gap on every dollar of revenue. On growth, Biogen posted the faster year-over-year revenue change (-7.1% vs -77.7%). Over the past eight quarters, Blackstone Inc.'s revenue compounded faster (8.5% CAGR vs -0.2%).

Biogen Inc. is an American multinational biotechnology company based in Cambridge, Massachusetts, United States specializing in the treatment of neurological diseases. The company's primary products are dimethyl fumarate (Tecfidera), diroximel fumarate (Vumerity), interferon beta-1a (AVONEX), peginterferon beta-1a (Plegridy), and natalizumab (Tysabri), all for the treatment of multiple sclerosis ; nusinersen (Spinraza) for the treatment of spinal muscular atrophy ; omaveloxolone (Skyclarys) for ...

Blackstone Inc. is an American alternative investment management company based in New York City. It was founded in 1985 as a mergers and acquisitions firm by Peter Peterson and Stephen Schwarzman, who had previously worked together at Lehman Brothers. Blackstone's private equity business has been one of the largest investors in leveraged buyouts in the last three decades, while its real estate business has actively acquired commercial real estate across the globe.

BIIB vs BX — Head-to-Head

Bigger by revenue
BX
BX
1.4× larger
BX
$3.3B
$2.3B
BIIB
Growing faster (revenue YoY)
BIIB
BIIB
+70.6% gap
BIIB
-7.1%
-77.7%
BX
Higher net margin
BX
BX
38.9% more per $
BX
36.7%
-2.1%
BIIB
Faster 2-yr revenue CAGR
BX
BX
Annualised
BX
8.5%
-0.2%
BIIB

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BIIB
BIIB
BX
BX
Revenue
$2.3B
$3.3B
Net Profit
$-48.9M
$1.2B
Gross Margin
78.3%
Operating Margin
-2.5%
Net Margin
-2.1%
36.7%
Revenue YoY
-7.1%
-77.7%
Net Profit YoY
-118.3%
-76.1%
EPS (diluted)
$-0.35
$0.80

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
BIIB
BIIB
BX
BX
Q1 26
$3.3B
Q4 25
$2.3B
$4.4B
Q3 25
$2.5B
$3.1B
Q2 25
$2.6B
$3.7B
Q1 25
$2.4B
$3.3B
Q4 24
$2.5B
$3.1B
Q3 24
$2.5B
$3.7B
Q2 24
$2.5B
$2.8B
Net Profit
BIIB
BIIB
BX
BX
Q1 26
$1.2B
Q4 25
$-48.9M
$1.0B
Q3 25
$466.5M
$624.9M
Q2 25
$634.8M
$764.2M
Q1 25
$240.5M
$614.9M
Q4 24
$266.7M
$703.9M
Q3 24
$388.5M
$780.8M
Q2 24
$583.6M
$444.4M
Gross Margin
BIIB
BIIB
BX
BX
Q1 26
Q4 25
78.3%
Q3 25
73.4%
Q2 25
77.1%
Q1 25
74.1%
Q4 24
76.2%
Q3 24
74.1%
Q2 24
77.8%
Operating Margin
BIIB
BIIB
BX
BX
Q1 26
Q4 25
-2.5%
54.1%
Q3 25
22.0%
46.8%
Q2 25
28.1%
51.6%
Q1 25
12.8%
44.2%
Q4 24
11.9%
50.6%
Q3 24
18.3%
49.4%
Q2 24
28.3%
43.2%
Net Margin
BIIB
BIIB
BX
BX
Q1 26
36.7%
Q4 25
-2.1%
23.3%
Q3 25
18.4%
20.2%
Q2 25
24.0%
20.6%
Q1 25
9.9%
18.7%
Q4 24
10.9%
22.8%
Q3 24
15.8%
21.3%
Q2 24
23.7%
15.9%
EPS (diluted)
BIIB
BIIB
BX
BX
Q1 26
$0.80
Q4 25
$-0.35
$1.29
Q3 25
$3.17
$0.80
Q2 25
$4.33
$0.98
Q1 25
$1.64
$0.80
Q4 24
$1.82
$0.91
Q3 24
$2.66
$1.02
Q2 24
$4.00
$0.58

Balance Sheet & Financial Strength

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

Metric
BIIB
BIIB
BX
BX
Cash + ST InvestmentsLiquidity on hand
$2.4B
Total DebtLower is stronger
$6.3B
Stockholders' EquityBook value
$18.3B
$18.5B
Total Assets
$29.4B
$45.3B
Debt / EquityLower = less leverage
0.34×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BIIB
BIIB
BX
BX
Q1 26
$2.4B
Q4 25
$2.6B
Q3 25
$2.4B
Q2 25
$2.2B
Q1 25
$2.4B
Q4 24
$2.0B
Q3 24
$2.4B
Q2 24
$2.4B
Total Debt
BIIB
BIIB
BX
BX
Q1 26
Q4 25
$6.3B
$12.6B
Q3 25
$6.3B
$12.1B
Q2 25
$6.3B
$12.1B
Q1 25
$4.5B
$12.6B
Q4 24
$6.3B
$11.5B
Q3 24
$4.5B
$10.9B
Q2 24
$6.3B
$10.8B
Stockholders' Equity
BIIB
BIIB
BX
BX
Q1 26
$18.5B
Q4 25
$18.3B
$8.7B
Q3 25
$18.2B
$8.4B
Q2 25
$17.6B
$8.4B
Q1 25
$17.0B
$8.0B
Q4 24
$16.7B
$8.2B
Q3 24
$16.4B
$7.0B
Q2 24
$15.9B
$6.8B
Total Assets
BIIB
BIIB
BX
BX
Q1 26
$45.3B
Q4 25
$29.4B
$47.7B
Q3 25
$29.2B
$46.6B
Q2 25
$28.3B
$45.4B
Q1 25
$28.0B
$45.3B
Q4 24
$28.0B
$43.5B
Q3 24
$28.3B
$42.6B
Q2 24
$26.8B
$40.6B
Debt / Equity
BIIB
BIIB
BX
BX
Q1 26
Q4 25
0.34×
1.45×
Q3 25
0.35×
1.44×
Q2 25
0.36×
1.45×
Q1 25
0.27×
1.58×
Q4 24
0.38×
1.40×
Q3 24
0.28×
1.55×
Q2 24
0.40×
1.58×

Cash Flow & Capital Efficiency

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

Metric
BIIB
BIIB
BX
BX
Operating Cash FlowLast quarter
$511.9M
Free Cash FlowOCF − Capex
$468.0M
FCF MarginFCF / Revenue
20.5%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$2.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BIIB
BIIB
BX
BX
Q1 26
Q4 25
$511.9M
$1.1B
Q3 25
$1.3B
$1.6B
Q2 25
$160.9M
$888.5M
Q1 25
$259.3M
$1.1B
Q4 24
$760.9M
$161.4M
Q3 24
$935.6M
$1.2B
Q2 24
$625.8M
$1.2B
Free Cash Flow
BIIB
BIIB
BX
BX
Q1 26
Q4 25
$468.0M
$1.0B
Q3 25
$1.2B
$1.6B
Q2 25
$134.3M
$848.4M
Q1 25
$222.2M
$1.1B
Q4 24
$721.6M
$149.5M
Q3 24
$900.6M
$1.2B
Q2 24
$592.3M
$1.1B
FCF Margin
BIIB
BIIB
BX
BX
Q1 26
Q4 25
20.5%
24.0%
Q3 25
48.4%
51.0%
Q2 25
5.1%
22.9%
Q1 25
9.1%
32.8%
Q4 24
29.4%
4.9%
Q3 24
36.5%
32.8%
Q2 24
24.0%
41.0%
Capex Intensity
BIIB
BIIB
BX
BX
Q1 26
Q4 25
1.9%
0.5%
Q3 25
1.8%
0.8%
Q2 25
1.0%
1.1%
Q1 25
1.5%
0.9%
Q4 24
1.6%
0.4%
Q3 24
1.4%
0.5%
Q2 24
1.4%
0.4%
Cash Conversion
BIIB
BIIB
BX
BX
Q1 26
Q4 25
1.05×
Q3 25
2.73×
2.56×
Q2 25
0.25×
1.16×
Q1 25
1.08×
1.80×
Q4 24
2.85×
0.23×
Q3 24
2.41×
1.56×
Q2 24
1.07×
2.61×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BIIB
BIIB

Products$1.7B73%
Tysabri Product$244.5M11%
AVONEX$119.2M5%
SKYCLARYS$88.9M4%
Alzheimers Collaboration$47.1M2%
IMRALDI$43.5M2%
TECFIDERA$36.9M2%
PLEGRIDY$24.7M1%
QALSODY$7.8M0%
BYOOVIZ$4.3M0%

BX
BX

Management and Advisory Fees, Net$1.9B58%
Realized$562.0M17%
Other$368.1M11%
Unrealized$263.2M8%
Incentive Fees$191.8M6%

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