USD · Annual median
A COMPARABLE PAY SNAPSHOTAlnylam US, Inc. vs. PFIZER INC.
Alnylam US, Inc. vs. PFIZER INC.
Senior Scientist pay compared.
Compare Senior Scientist pay at Alnylam US, Inc. and PFIZER INC. using the same pay measurement, currency, reported geography scope and disclosed period. Each employer keeps its own sample size and compensation breakdown.
Absolute difference between the two selected employer medians
Reported geography scope is matched; work locations and levels can differ
Matched offered annual base wages
These visa-program wage filings describe offers, not realized total compensation or the entire workforce. Both benchmarks use one matched evidence definition. Each row keeps its sample denominator and available component breakdown. Unknown components stay undisclosed.
BENCHMARK EVIDENCE
Read data as MarkdownPay figures you can check.
Selected supported source cohorts for Alnylam US, Inc. vs PFIZER INC.: Senior Scientist pay comparison. These are individual benchmarks, not an average across employers or levels.
Senior Scientist · PFIZER INC. · All reported locations
For Senior Scientist at PFIZER INC. in All reported locations, the median offered annual base wage is USD $128,358. The sample denominator is 6 offered-wage filings. Measurement period: FY 2026 filings. Benchmark year: 2026.
Wages.fyi calculates this median from available regulatory wage filings. Filings describe offered base wages, not realized employee earnings or total compensation. Bonus and equity are not inferred.
Coverage refreshed . Refresh dates can differ from when compensation was earned or wages were offered.
Senior Scientist · Alnylam US, Inc. · All reported locations
For Senior Scientist at Alnylam US, Inc. in All reported locations, the median offered annual base wage is USD $157,500. The sample denominator is 6 offered-wage filings. Measurement period: FY 2026 filings. Benchmark year: 2026.
Wages.fyi calculates this median from available regulatory wage filings. Filings describe offered base wages, not realized employee earnings or total compensation. Bonus and equity are not inferred.
Coverage refreshed . Refresh dates can differ from when compensation was earned or wages were offered.
Only public source benchmarks with at least five samples and a disclosed median appear here. Samples can overlap and are never added into an employee total. Source sampling methods apply; published sample counts are not guaranteed to represent unique employees. Missing pay components stay undisclosed. Methodology.
THE EMPLOYER BREAKDOWN
Explore career pay →Two employers. The same measurement.
2 selected cohorts shown. Open a row for the full pay definition and components.
| EMPLOYER / ROLE | TOTAL COMP | BASE SALARY | STOCK / YEAR | CASH BONUS | CONTEXT | |
|---|---|---|---|---|---|---|
AU Alnylam US, Inc.Senior ScientistAll reported locations | Not disclosedUSD · Median | $157,500 | — | — | Offered base wage · filing cohort6 filingsFY 2026 filings · Oct 18, 2026 | |
PI PFIZER INC.Senior ScientistAll reported locations | Not disclosedUSD · Median | $128,358 | — | — | Offered base wage · filing cohort6 filingsFY 2026 filings · Oct 18, 2026 |
Questions about this pay market.
Which employer has the higher published base wage median?
Alnylam US, Inc. reports $157,500 and PFIZER INC. reports $128,358 for this matched Senior Scientist snapshot. The absolute published median gap is $29,142. Different sample populations can produce different results; these group medians do not predict an individual offer.
What makes this a fair comparison?
Both selected anchors share the career, pay measurement, currency, public evidence class, reported geography scope and period. The period is FY 2026 filings. We do not map company-specific levels onto one another or combine sample counts.
How should I compare an actual offer?
For an offer from Alnylam US, Inc. or PFIZER INC., compare guaranteed annual base, expected or guaranteed bonus, annual equity and signing pay separately. Keep the level, work location and vesting terms alongside the amounts. A target bonus is not guaranteed pay.
Does a missing component mean zero?
An undisclosed bonus, equity award or benefit remains unknown. Disclosed component medians can describe different parts of a source cohort and may not add to the headline total. Your written offer determines your package.
Put the numbers to work.
Compare two written offers
Keep first-year cash, recurring pay and equity terms separate.
Read the Wages.fyi guide →Understand the whole package
Base, bonus, signing cash and annual equity answer different questions.
Read the Wages.fyi guide →Read offered-wage evidence
Learn what regulatory filings can tell you about a pay market.
Read the Wages.fyi guide →FOLLOW THE COMPARISON
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Our methodology Base wages, total compensation, source estimates, and employer ranges are measured separately. Sample counts and reporting periods travel with every benchmark.