SafetyMargin.ioSafetyMargin.io
BlogWatchlistCompare
Compare Stocks › PFE vs WBD

Pfizer Inc. (PFE) vs Warner Bros. Discovery, Inc. (WBD)

PFE
Pfizer Inc.
$27.41
VS
WBD
Warner Bros. Discovery, Inc.
$27.63

Rewards

PFE
  • ★Gross margin of 75.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Dividend yield of 6.28% with a consistent or growing payout over the past 4 years.
  • ★FCF yield of 8.6% is historically attractive — the business generates significant cash relative to its price.
WBD
  • ★FCF yield of 23.4% is historically attractive — the business generates significant cash relative to its price.

Risks

PFE
  • ⚠ROIC has declined by 13.9 percentage points over the observed period, which may signal competitive erosion.
  • ⚠Free cash flow has declined at a 29.6% CAGR over the past 4 years — a concerning trend.
WBD
  • ⚠Net debt/EBITDA of 4.4x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.
  • ⚠Altman Z-Score of 0.94 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • ⚠11 insider sales totaling $206.2M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

Learn more →
PFE
WBD
Valuation
$13.43B
Free Cash Flow
$16.02B
8.61%
FCF Yield
23.37%
20.15
Trailing P/E
95.28
9.69
Forward P/E
-1657.47
Quality & Moat
7.67%
ROIC
2.94%
8.96%
ROE
1.96%
75.81%
Gross Margin
44.55%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.78
Debt / Equity
0.99
N/A
Interest Coverage
N/A
2.10
Net Debt / EBITDA
4.37
6.28%
Dividend Yield
N/A
PFE: 6Ties: 1WBD: 3
PFEWBD

Historical Fundamentals

Learn more →
PFE

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

WBD

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

$1 Retained Earnings Test

Learn more →
PFE
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-10.61B
Δ Market Cap
$-146.18B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
WBD
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-13.71B
Δ Market Cap
+$48.44B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Discounted Cash Flow (DCF) Analysis

Learn more →
PFE
140.2% Overvalued
Price is 140.2% above estimated fair value
Current Price: $27.41
Fair Value: $11.41
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WBD
231.5% Overvalued
Price is 231.5% above estimated fair value
Current Price: $27.63
Fair Value: $8.33
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

Learn more →
PFE

What growth rate is the market pricing in at $27?

+11.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +4.3%

The market implies +11.8% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +4.3%, reflecting heavy growth investment.

WBD

What growth rate is the market pricing in at $28?

+34.6%
Market-Implied Owner Earnings Growth
Standard FCF implies -8.6%

Economic Moat Score

Learn more →
PFE
35/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though reinvestment efficiency shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 5 years of fundamental data.
WBD
33/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though reinvestment efficiency shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 5 years of fundamental data.

Forensic Accounting

Learn more →
PFE
-2.53
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
WBD
-2.57
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Ownership Breakdown

Learn more →
PFE
Insiders 0.1%Institutions 67.7%Retail & Other 32.2%
No. of Institutional Holders3,692
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
WBD
Insiders 4.5%Institutions 73.8%Retail & Other 21.7%
No. of Institutional Holders1,719
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.

High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.

Insider Buying Activity

Learn more →
PFE
0
Buys (3M)
0
Buys (12M)
BLAYLOCK RONALD E
Director
$499,072
@ $25.65 · 2025-02-13
GOTTLIEB SCOTT
Director
$28,240
@ $28.24 · 2024-10-30
Open market purchases · includes direct & indirect ownership · excludes option exercises
WBD
0
Buys (3M)
1
Buys (12M)
Total value (12M): $3.55M
LEVY ANTON J
Director
$3.55M
@ $10.92 · 2025-08-12
DI PIAZZA SAMUEL A. JR.
Director
$197,918
@ $11.41 · 2025-03-03
ZEILER GERHARD
Officer
$535,920
@ $9.24 · 2024-11-11
ZEILER GERHARD
Officer
$830,000
@ $8.30 · 2024-05-13
Open market purchases · includes direct & indirect ownership · excludes option exercises

Open market purchases · includes direct & indirect ownership · excludes option exercises.

Insider Selling Activity

Learn more →
PFE
0
Sells (3M)
0
Sells (12M)
DAMICO JENNIFER B.
Officer
$64,825
@ $25.93 · 2025-03-04
DAMICO JENNIFER B.
Officer
$147,714
@ $28.66 · 2024-08-13
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
WBD
11
Sells (3M)
19
Sells (12M)
Total value (12M): $237.39M
MERCHANT FAZAL F
Director
$961,800
@ $27.48 · 2026-03-16
PERRETTE JEAN-BRIAC
Officer
$18.07M
@ $27.42 · 2026-03-16
GOULD PAUL A
Director
$16.41M
@ $27.35 · 2026-03-16
AIYAR PRIYA
Officer
$2.75M
@ $27.85 · 2026-03-10
CAMPBELL BRUCE L
Officer
$1.16M
@ $27.82 · 2026-03-09
ZEILER GERHARD
Officer
$16.81M
@ $28.02 · 2026-03-04
WIEDENFELS GUNNAR
Chief Financial Officer
$27.95M
@ $28.17 · 2026-03-04
AIYAR PRIYA
Officer
$6.31M
@ $28.24 · 2026-03-03
GIRDWOOD AMY
Officer
$2.12M
@ $28.25 · 2026-03-03
ZASLAV DAVID M
Chief Executive Officer
$113.16M
@ $28.26 · 2026-03-03
FISHER RICHARD W.
Director
$462,727
@ $28.31 · 2026-03-03
LOCKE LORI C
Officer
$394,558
@ $27.94 · 2025-12-10
WIEDENFELS GUNNAR
Chief Financial Officer
$7.17M
@ $29.50 · 2025-12-10
LOCKE LORI C
Officer
$247,800
@ $24.78 · 2025-12-05
LOCKE LORI C
Officer
$360,850
@ $24.06 · 2025-12-03
LOCKE LORI C
Officer
$235,400
@ $23.54 · 2025-11-28
WIEDENFELS GUNNAR
Chief Financial Officer
$5.00M
@ $22.50 · 2025-10-31
WIEDENFELS GUNNAR
Chief Financial Officer
$10.35M
@ $19.50 · 2025-09-15
CAMPBELL BRUCE L
Officer
$7.47M
@ $17.00 · 2025-09-12
ZASLAV DAVID M
Chief Executive Officer
$30.08M
@ $11.73 · 2024-12-16
SIMS SAVALLE C
Officer
$2.09M
@ $12.36 · 2024-12-13
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives

Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.

🎭 Mr. Market's Mood

Learn more →
PFE
FearGreed
😏Greed(64/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
WBD
FearGreed
😐Neutral(60/100)

"Market is pricing this stock without strong emotion in either direction"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

⚖️ Buffett Signal

Learn more →
PFE
⚪Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Greed (64)
WBD
⚪Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Neutral (60)
View PFE Full AnalysisView WBD Full Analysis