WallStSmart

Alnylam Pharmaceuticals Inc (ALNY)vsAtara Biotherapeutics Inc (ATRA)

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Smart Verdict

WallStSmart Research — data-driven comparison

Alnylam Pharmaceuticals Inc generates 2975% more annual revenue ($3.71B vs $120.77M). ATRA leads profitability with a 27.1% profit margin vs 8.5%. ATRA trades at a lower P/E of 1.9x. ALNY earns a higher WallStSmart Score of 49/100 (D+).

ALNY

Hold

49

out of 100

Grade: D+

Growth: 8.0Profit: 7.0Value: 3.0Quality: 5.0

ATRA

Hold

41

out of 100

Grade: D

Growth: 5.3Profit: 6.0Value: 8.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ALNYSignificantly Overvalued (-1925.6%)

Margin of Safety

-1925.6%

Fair Value

$15.91

Current Price

$328.70

$312.79 premium

UndervaluedFair: $15.91Overvalued
ATRAUndervalued (+73.7%)

Margin of Safety

+73.7%

Fair Value

$17.48

Current Price

$4.99

$12.49 discount

UndervaluedFair: $17.48Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ALNY2 strengths · Avg: 10.0/10
Return on EquityProfitability
73.3%10/10

Every $100 of equity generates 73 in profit

Revenue GrowthGrowth
84.9%10/10

Revenue surging 84.9% year-over-year

ATRA2 strengths · Avg: 9.5/10
P/E RatioValuation
1.9x10/10

Attractively priced relative to earnings

Profit MarginProfitability
27.1%9/10

Keeps 27 of every $100 in revenue as profit

Areas to Watch

ALNY3 concerns · Avg: 2.7/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

P/E RatioValuation
131.7x2/10

Premium valuation, high expectations priced in

Price/BookValuation
55.2x2/10

Trading at 55.2x book value

ATRA4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$40.15M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
-20.1%2/10

ROE of -20.1% — below average capital efficiency

Revenue GrowthGrowth
-95.1%2/10

Revenue declined 95.1%

Comparative Analysis Report

WallStSmart Research

Bull Case : ALNY

The strongest argument for ALNY centers on Return on Equity, Revenue Growth. Revenue growth of 84.9% demonstrates continued momentum.

Bull Case : ATRA

The strongest argument for ATRA centers on P/E Ratio, Profit Margin. Profitability is solid with margins at 27.1% and operating margin at -3.4%.

Bear Case : ALNY

The primary concerns for ALNY are EPS Growth, P/E Ratio, Price/Book. A P/E of 131.7x leaves little room for execution misses.

Bear Case : ATRA

The primary concerns for ATRA are EPS Growth, Market Cap, Return on Equity.

Key Dynamics to Monitor

ALNY profiles as a hypergrowth stock while ATRA is a declining play — different risk/reward profiles.

ALNY carries more volatility with a beta of 0.38 — expect wider price swings.

ALNY is growing revenue faster at 84.9% — sustainability is the question.

ALNY generates stronger free cash flow (140M), providing more financial flexibility.

Bottom Line

ALNY scores higher overall (49/100 vs 41/100) and 84.9% revenue growth. ATRA offers better value entry with a 73.7% margin of safety. Both earn "Hold" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Alnylam Pharmaceuticals Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Alnylam Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing and commercializing RNA interference (RNAi) therapies. The company is headquartered in Cambridge, Massachusetts.

Atara Biotherapeutics Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Atara Biotherapeutics, Inc., a commercially available T-cell immunotherapy company, develops treatments for cancer patients, autoimmune and viral diseases in the United States. The company is headquartered in South San Francisco, California.

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