BLK vs DDOG: Which Is the Better Buy?

Side-by-side comparison of BlackRock, Inc. and Datadog, Inc. — fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-04-22.
BlackRock, Inc. · Financial Services
$1,042.85
+125.5% upside to fair value
Grade A High Quality
VS
Datadog, Inc. · Technology
$126.61
+194.6% upside to fair value
Grade C High Quality
QuantHub Verdict
DDOG has more upside to fair value (+194.6%). BLK trades at a lower forward P/E (25.9x). These are model outputs — not personalized investment advice. See all research →
Valuation & Fundamentals
Metric BLK DDOG
Current Price $1,042.85 $126.61
Fair Value Estimate $2,351.12 $373.02
Upside to Fair Value +125.5% +194.6%
Market Cap $162.2B $44.8B
Forward P/E 25.9x 412.3x
EV / EBITDA 16.9x 202.3x
Price / Sales 6.3x 13.1x
Price / FCF 45.2x 44.8x
Revenue Growth YoY +28.3% +29.2%
Gross Margin 59.1% 79.9%
Operating Margin 29.9% -1.3%
Return on Equity 12.0% 3.2%
Dividend Yield 0% 0%
FCF Yield 2.21% 2.23%
Analyst Consensus Strong Buy Strong Buy
Investment Thesis
BLK — BlackRock, Inc.
BlackRock, Inc. is the world's largest asset manager with over $14 trillion in assets under management, operating primarily in financial services and asset management. The company benefits from a durable competitive moat driven by its scale, technology platform Aladdin, and founder-led management with CEO Laurence D. Fink at the helm since inception. BlackRock exhibits strong fundamentals includi…
DDOG — Datadog, Inc.
Datadog, Inc. operates a leading cloud-based observability and security platform that drives high customer retention and multi-product adoption, supporting strong revenue growth of 28% year-over-year in fiscal 2025 to $3.43 billion. The company benefits from a usage-based subscription model with 85% of customers using two or more products, creating switching costs and a growing moat. Despite this…
Accumulation Zones
Metric BLK DDOG
Zone Low $1,763.34 $279.76
Zone High $1,998.45 $317.07
In Buy Zone? Yes Yes
← BLK Research    DDOG Research →    All Research