Compare StocksPFE vs WEC

Pfizer, Inc. (PFE) vs WEC Energy Group, Inc. (WEC): Which Is the Better Buy in 2026?

As of 2026-08-03, PFE is undervalued at $25, with a DCF intrinsic value of $127985960274 and a margin of safety of 100%. WEC is overvalued at $109, with an intrinsic value of $29 and a margin of safety of -274%. Of the two, PFE has the wider margin of safety.

PFE
Pfizer, Inc.
$25.01
VS
WEC
WEC Energy Group, Inc.
$109.42

Rewards

PFE
  • Gross margin of 74.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Trailing P/E of 19.1x is 37% below the historical average of 30.4x — potentially undervalued relative to its own history.
WEC
  • Each dollar of retained earnings has created $1.35 of earning power — management is creating shareholder value.

Risks

PFE
  • ROIC has declined by 15.9 percentage points over the past 4 years, which may signal competitive erosion.
  • PEG ratio of 2.94 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • Altman Z-Score of 1.38 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
WEC
  • PEG ratio of 2.30 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • High leverage (1.57x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
  • Net debt/EBITDA of 5.8x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.

Key Valuation Metrics

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PFE
WEC
Valuation
$12.38B
Free Cash Flow
$-2.35B
N/A
FCF Yield
-6.59%
19.09
Trailing P/E
21.25
8.85
Forward P/E
18.23
Quality & Moat
10.19%
ROIC
4.48%
8.31%
ROE
11.99%
74.80%
Gross Margin
42.01%
2.94
PEG Ratio
2.30
Balance Sheet Safety
0.57
Net Debt / Equity
1.57
N/A
Interest Coverage
N/A
2.03
Net Debt / EBITDA
5.77
6.88%
Dividend Yield
3.48%
PFE: 8Ties: 1WEC: 2
PFEWEC

Historical Fundamentals

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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. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

WEC

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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PFE
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-10.61B
Δ Market Cap
$-26.34
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
WEC
$3.85
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$1.23B
Δ Market Cap
+$4.75B
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

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PFE
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $25.01
Fair Value: $127985960274.09
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WEC
273.6% Overvalued
Price is 273.6% above estimated fair value
Current Price: $109.42
Fair Value: $29.29
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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PFE

What growth rate is the market pricing in at $25?

-14.2%
Market-Implied Owner Earnings Growth
Standard FCF implies -15.0%

The market implies -14.2% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding -15.0%, reflecting heavy growth investment.

WEC

Requires positive FCF to compute implied growth rate.

Economic Moat Score

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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.
WEC
33/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though margin stability 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 4 years of fundamental data.

Forensic Accounting

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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.
WEC
-2.45
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

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PFE
Insiders 0.1%Institutions 69.5%Retail & Other 30.4%
No. of Institutional Holders3,661
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.
WEC
Insiders 0.2%Institutions 87.1%Retail & Other 12.7%
No. of Institutional Holders1,724
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

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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
WEC
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises

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

Insider Selling Activity

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PFE
1
Sells (3M)
1
Sells (12M)
Total value (12M): $51,400
DAMICO JENNIFER B.
Officer
$51,400
@ $25.70 · 2026-06-09
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
WEC
1
Sells (3M)
12
Sells (12M)
Total value (12M): $13.68M
KRUEGER DANIEL P
Officer
$517,624
@ $110.96 · 2026-05-19
PAYNE ULICE JR.
Director
$166,166
@ $114.60 · 2026-02-24
KLAPPA GALE E
Director
$367,099
@ $115.44 · 2026-02-23
KLAPPA GALE E
Director
$3.47M
@ $115.63 · 2026-02-17
STRAKA MARY BETH
Officer
$325,131
@ $115.50 · 2026-02-13
LAUBER SCOTT J
Chief Executive Officer
$895,462
@ $110.70 · 2026-02-09
ERICKSON JOSHUA M
Officer
$11,247
@ $112.47 · 2025-11-07
GARVIN ROBERT M
Officer
$1.53M
@ $108.11 · 2025-08-19
LAUBER SCOTT J
Chief Executive Officer
$1.02M
@ $110.88 · 2025-08-08
PAYNE ULICE JR.
Director
$179,814
@ $111.00 · 2025-08-07
KLAPPA GALE E
Director
$4.54M
@ $110.77 · 2025-08-04
KRUEGER DANIEL P
Officer
$659,032
@ $111.14 · 2025-08-04
STRAKA MARY BETH
Officer
$276,362
@ $110.54 · 2025-08-01
REESE ANTHONY
Officer and Treasurer
$460,743
@ $110.30 · 2025-08-01
MULROY MOLLY A
Officer
$444,611
@ $110.33 · 2025-08-01
ERICKSON JOSHUA M
General Counsel
$232,242
@ $107.77 · 2025-05-20
GARCIA-THOMAS CRISTINA A
Director
$54,446
@ $103.71 · 2025-05-13
KLAPPA GALE E
Director
$8.10M
@ $108.03 · 2025-03-04
PAYNE ULICE JR.
Director
$119,791
@ $104.17 · 2025-02-24
KLAPPA GALE E
Director
$4.41M
@ $99.53 · 2024-11-21
LAUBER SCOTT J
Chief Executive Officer
$677,998
@ $100.89 · 2024-11-21
PAYNE ULICE JR.
Director
$49,490
@ $98.98 · 2024-11-19
KLAPPA GALE E
Director
$179,421
@ $99.40 · 2024-11-18
REESE ANTHONY
Officer and Treasurer
$360,910
@ $97.97 · 2024-11-18
STRAKA MARY BETH
Officer
$301,435
@ $93.04 · 2024-08-30
GUC WILLIAM J
Officer
$557,918
@ $92.99 · 2024-08-28
PAYNE ULICE JR.
Director
$66,340
@ $88.45 · 2024-08-08
REESE ANTHONY
Officer and Treasurer
$120,924
@ $88.78 · 2024-08-07
ERICKSON JOSHUA M
General Counsel
$31,412
@ $89.75 · 2024-08-05
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

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PFE
FearGreed
😐Neutral(52/100)

"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.
WEC
FearGreed
😐Neutral(48/100)

"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

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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: Neutral (52)
WEC
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 (48)
View PFE Full AnalysisView WEC Full Analysis

Frequently Asked Questions: PFE vs WEC

Is Pfizer, Inc. or WEC Energy Group, Inc. more undervalued in 2026?

Based on our discounted cash flow model, PFE trades at a 100.0% margin of safety (intrinsic value $127985960274 vs. price $25), compared to WEC's -273.6% margin of safety (intrinsic $29 vs. $109).

Which stock has a wider economic moat, Pfizer, Inc. or WEC Energy Group, Inc.?

PFE scores 35/100 (None moat), while WEC scores 33/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is WEC Energy Group, Inc. in financial distress?

WEC's Altman Z-Score of 1.1 places it in the Distress zone, signaling elevated bankruptcy risk. PFE scores 1.4 (Distress zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which stock has higher return on invested capital, Pfizer, Inc. or WEC Energy Group, Inc.?

PFE earns 10.2% ROIC versus WEC's 4.5%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

Which dividend is safer, Pfizer, Inc.'s or WEC Energy Group, Inc.'s?

WEC's dividend earns a safety score of 69/100 (Safe), compared to PFE's 24/100 (Unsafe). WEC has raised its dividend for 3 consecutive years.