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Side-by-side financial comparison of ALNYLAM PHARMACEUTICALS, INC. (ALNY) and Roblox Corp (RBLX). Click either name above to swap in a different company.

Roblox Corp is the larger business by last-quarter revenue ($1.4B vs $1.1B, roughly 1.3× ALNYLAM PHARMACEUTICALS, INC.). ALNYLAM PHARMACEUTICALS, INC. runs the higher net margin — 17.0% vs -22.3%, a 39.3% gap on every dollar of revenue. On growth, ALNYLAM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (84.9% vs 43.2%). Roblox Corp produced more free cash flow last quarter ($308.6M vs $140.3M). Over the past eight quarters, ALNYLAM PHARMACEUTICALS, INC.'s revenue compounded faster (49.0% CAGR vs 32.9%).

Alnylam Pharmaceuticals, Inc. is an American biopharmaceutical company focused on the discovery, development and commercialization of RNA interference (RNAi) therapeutics for genetically defined diseases. The company was founded in 2002 and is headquartered in Cambridge, Massachusetts. In 2016, Forbes included the company on its "100 Most Innovative Growth Companies" list.

Roblox Corporation is an American video game developer based in San Mateo, California. Founded in 2004 by David Baszucki and Erik Cassel, the company is the developer of Roblox, a game platform, which was released in 2006. As of December 31, 2024, the company employs over 2,400 people.

ALNY vs RBLX — Head-to-Head

Bigger by revenue
RBLX
RBLX
1.3× larger
RBLX
$1.4B
$1.1B
ALNY
Growing faster (revenue YoY)
ALNY
ALNY
+41.8% gap
ALNY
84.9%
43.2%
RBLX
Higher net margin
ALNY
ALNY
39.3% more per $
ALNY
17.0%
-22.3%
RBLX
More free cash flow
RBLX
RBLX
$168.3M more FCF
RBLX
$308.6M
$140.3M
ALNY
Faster 2-yr revenue CAGR
ALNY
ALNY
Annualised
ALNY
49.0%
32.9%
RBLX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALNY
ALNY
RBLX
RBLX
Revenue
$1.1B
$1.4B
Net Profit
$186.4M
$-316.0M
Gross Margin
75.6%
77.7%
Operating Margin
12.0%
-25.3%
Net Margin
17.0%
-22.3%
Revenue YoY
84.9%
43.2%
Net Profit YoY
322.6%
-43.9%
EPS (diluted)
$1.44
$-0.44

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
ALNY
ALNY
RBLX
RBLX
Q4 25
$1.1B
$1.4B
Q3 25
$1.2B
$1.4B
Q2 25
$773.7M
$1.1B
Q1 25
$594.2M
$1.0B
Q4 24
$593.2M
$988.2M
Q3 24
$500.9M
$919.0M
Q2 24
$659.8M
$893.5M
Q1 24
$494.3M
$801.3M
Net Profit
ALNY
ALNY
RBLX
RBLX
Q4 25
$186.4M
$-316.0M
Q3 25
$251.1M
$-255.6M
Q2 25
$-66.3M
$-278.4M
Q1 25
$-57.5M
$-215.1M
Q4 24
$-83.8M
$-219.6M
Q3 24
$-111.6M
$-239.3M
Q2 24
$-16.9M
$-205.9M
Q1 24
$-65.9M
$-270.6M
Gross Margin
ALNY
ALNY
RBLX
RBLX
Q4 25
75.6%
77.7%
Q3 25
84.2%
78.2%
Q2 25
81.6%
78.2%
Q1 25
88.2%
78.3%
Q4 24
82.7%
77.9%
Q3 24
83.6%
77.7%
Q2 24
89.8%
77.8%
Q1 24
89.0%
77.7%
Operating Margin
ALNY
ALNY
RBLX
RBLX
Q4 25
12.0%
-25.3%
Q3 25
29.5%
-21.8%
Q2 25
-2.1%
-29.8%
Q1 25
3.0%
-24.6%
Q4 24
-17.7%
-24.7%
Q3 24
-15.4%
-30.4%
Q2 24
7.4%
-26.6%
Q1 24
-8.8%
-37.7%
Net Margin
ALNY
ALNY
RBLX
RBLX
Q4 25
17.0%
-22.3%
Q3 25
20.1%
-18.8%
Q2 25
-8.6%
-25.8%
Q1 25
-9.7%
-20.8%
Q4 24
-14.1%
-22.2%
Q3 24
-22.3%
-26.0%
Q2 24
-2.6%
-23.0%
Q1 24
-13.3%
-33.8%
EPS (diluted)
ALNY
ALNY
RBLX
RBLX
Q4 25
$1.44
$-0.44
Q3 25
$1.84
$-0.37
Q2 25
$-0.51
$-0.41
Q1 25
$-0.44
$-0.32
Q4 24
$-0.66
$-0.32
Q3 24
$-0.87
$-0.37
Q2 24
$-0.13
$-0.32
Q1 24
$-0.52
$-0.43

Balance Sheet & Financial Strength

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

Metric
ALNY
ALNY
RBLX
RBLX
Cash + ST InvestmentsLiquidity on hand
$1.7B
$3.1B
Total DebtLower is stronger
$1.2B
Stockholders' EquityBook value
$789.2M
$394.5M
Total Assets
$5.0B
$9.6B
Debt / EquityLower = less leverage
2.98×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALNY
ALNY
RBLX
RBLX
Q4 25
$1.7B
$3.1B
Q3 25
$1.5B
$2.9B
Q2 25
$1.1B
$2.6B
Q1 25
$1.0B
$2.7B
Q4 24
$966.4M
$2.4B
Q3 24
$1.1B
$2.3B
Q2 24
$968.5M
$2.4B
Q1 24
$681.9M
$2.4B
Total Debt
ALNY
ALNY
RBLX
RBLX
Q4 25
$1.2B
Q3 25
Q2 25
Q1 25
Q4 24
$1.2B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ALNY
ALNY
RBLX
RBLX
Q4 25
$789.2M
$394.5M
Q3 25
$233.9M
$407.6M
Q2 25
$250.6M
$353.2M
Q1 25
$115.4M
$310.7M
Q4 24
$67.1M
$221.4M
Q3 24
$32.4M
$189.9M
Q2 24
$-3.1M
$121.5M
Q1 24
$-219.3M
$71.6M
Total Assets
ALNY
ALNY
RBLX
RBLX
Q4 25
$5.0B
$9.6B
Q3 25
$4.9B
$8.6B
Q2 25
$4.6B
$7.8B
Q1 25
$4.2B
$7.5B
Q4 24
$4.2B
$7.2B
Q3 24
$4.2B
$6.7B
Q2 24
$4.0B
$6.5B
Q1 24
$3.8B
$6.3B
Debt / Equity
ALNY
ALNY
RBLX
RBLX
Q4 25
2.98×
Q3 25
Q2 25
Q1 25
Q4 24
5.48×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
ALNY
ALNY
RBLX
RBLX
Operating Cash FlowLast quarter
$163.6M
$607.0M
Free Cash FlowOCF − Capex
$140.3M
$308.6M
FCF MarginFCF / Revenue
12.8%
21.8%
Capex IntensityCapex / Revenue
2.1%
21.1%
Cash ConversionOCF / Net Profit
0.88×
TTM Free Cash FlowTrailing 4 quarters
$465.4M
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALNY
ALNY
RBLX
RBLX
Q4 25
$163.6M
$607.0M
Q3 25
$325.1M
$546.2M
Q2 25
$153.7M
$199.3M
Q1 25
$-118.3M
$443.9M
Q4 24
$-94.7M
$184.5M
Q3 24
$43.7M
$247.4M
Q2 24
$124.2M
$151.4M
Q1 24
$-81.5M
$238.9M
Free Cash Flow
ALNY
ALNY
RBLX
RBLX
Q4 25
$140.3M
$308.6M
Q3 25
$313.0M
$443.6M
Q2 25
$139.4M
$176.7M
Q1 25
$-127.3M
$426.5M
Q4 24
$-103.8M
$120.6M
Q3 24
$39.5M
$218.0M
Q2 24
$116.1M
$111.7M
Q1 24
$-94.5M
$192.3M
FCF Margin
ALNY
ALNY
RBLX
RBLX
Q4 25
12.8%
21.8%
Q3 25
25.1%
32.6%
Q2 25
18.0%
16.3%
Q1 25
-21.4%
41.2%
Q4 24
-17.5%
12.2%
Q3 24
7.9%
23.7%
Q2 24
17.6%
12.5%
Q1 24
-19.1%
24.0%
Capex Intensity
ALNY
ALNY
RBLX
RBLX
Q4 25
2.1%
21.1%
Q3 25
1.0%
7.5%
Q2 25
1.8%
2.1%
Q1 25
1.5%
1.7%
Q4 24
1.5%
6.5%
Q3 24
0.8%
3.2%
Q2 24
1.2%
4.4%
Q1 24
2.6%
5.8%
Cash Conversion
ALNY
ALNY
RBLX
RBLX
Q4 25
0.88×
Q3 25
1.29×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALNY
ALNY

TTR$858.3M78%
Rare$136.4M12%
GIVLAARI$56.3M5%
Collaborative Arrangement$40.9M4%
ONPATTRO$12.0M1%

RBLX
RBLX

Segment breakdown not available.

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