Compare StocksBAC vs MMM

Bank of America Corporation (BAC) vs 3M Company (MMM): Which Is the Better Buy in 2026?

As of 2026-06-19, BAC is undervalued at $56, with a DCF intrinsic value of $133 and a margin of safety of 58%. MMM is fairly valued at $161, with an intrinsic value of $147 and a margin of safety of -9%. Of the two, BAC has the wider margin of safety.

BAC
Bank of America Corporation
$56.20
VS
MMM
3M Company
$160.60

Rewards

BAC
  • Bank of America Corporation scores 100/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
MMM
  • Altman Z-Score of 4.26 indicates very low bankruptcy risk — the company is firmly in the safe zone.

Risks

BAC
  • Gross margin of 0.0% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • Altman Z-Score of 0.22 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
MMM
  • FCF yield of 2.8% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Trailing P/E of 30.9x is 74% above the historical average of 17.8x — the stock trades at a premium to its own history.
  • High leverage (2.21x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.

Key Valuation Metrics

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BAC
MMM
Valuation
N/A
Free Cash Flow
$2.32B
N/A
FCF Yield
2.77%
13.95
Trailing P/E
30.94
11.13
Forward P/E
16.97
Quality & Moat
3.89%
ROIC
28.04%
10.64%
ROE
71.46%
0.00%
Gross Margin
39.71%
1.02
PEG Ratio
1.71
Balance Sheet Safety
N/A
Net Debt / Equity
2.21
N/A
Interest Coverage
N/A
N/A
Net Debt / EBITDA
1.17
1.97%
Dividend Yield
1.87%
BAC: 4Ties: 1MMM: 3
BACMMM

Historical Fundamentals

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BAC

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.

MMM

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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BAC
$2.37
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$55.63B
Δ Market Cap
+$131.83B
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
MMM
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-6.43B
Δ Market Cap
+$29.83B
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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BAC
57.9% Margin of Safety
Price is 57.9% below estimated fair value
Current Price: $56.20
Fair Value: $133.45
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
MMM
9.5% Overvalued
Price is 9.5% above estimated fair value
Current Price: $160.60
Fair Value: $146.72
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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BAC

Requires positive FCF to compute implied growth rate.

MMM

What growth rate is the market pricing in at $161?

+10.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +16.9%

The market implies +10.7% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +16.9%, reflecting heavy growth investment.

Economic Moat Score

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BAC
100/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by revenue predictability. Reinvestment Efficiency is the area most vulnerable to competitive pressure.

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.
MMM
45/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving margin stability would strengthen the moat.

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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BAC
-2.31
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.
MMM
-2.28
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone
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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BAC
Insiders 7.3%Institutions 70.6%Retail & Other 22.0%
No. of Institutional Holders4,373
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.
MMM
Insiders 0.1%Institutions 77.5%Retail & Other 22.4%
No. of Institutional Holders2,759
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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BAC
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
MMM
0
Buys (3M)
0
Buys (12M)
GORALSKI CHRISTIAN T JR
Officer
$1,822
@ $107.18 · 2024-10-23
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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BAC
0
Sells (3M)
5
Sells (12M)
Total value (12M): $20.17M
MENSAH BERNARD AMPONSAH
Officer
$4.41M
@ $46.94 · 2026-03-12
SCRIVENER THOMAS M
Officer
$2.49M
@ $49.82 · 2026-03-05
BRONSTEIN SHERI B
Officer
$2.99M
@ $49.91 · 2026-03-05
ATHANASIA DEAN C
President
$6.86M
@ $50.21 · 2026-03-03
BORTHWICK ALASTAIR M.
Chief Financial Officer
$3.42M
@ $50.24 · 2026-02-27
MENSAH BERNARD AMPONSAH
Officer
$3.66M
@ $39.80 · 2024-08-27
HANS LINDSAY D
Officer
$402,410
@ $36.91 · 2024-08-05
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
MMM
0
Sells (3M)
9
Sells (12M)
Total value (12M): $18.13M
REINSETH THERESA E
Officer
$888,796
@ $172.75 · 2026-02-11
DICKSON ZOE L
Officer
$4.27M
@ $170.34 · 2026-02-09
DICKSON ZOE L
Officer
$3.49M
@ $169.97 · 2026-02-09
CHAVEZ RODRIGUEZ BEATRIZ KARINA
Officer
$203,645
@ $171.13 · 2026-02-09
DICKSON ZOE L
Officer
$2.35M
@ $169.78 · 2025-11-13
DICKSON ZOE L
Officer
$2.31M
@ $169.82 · 2025-11-13
MURPHY MARK W
Chief Technology Officer
$3.17M
@ $166.55 · 2025-10-29
GORALSKI CHRISTIAN T JR
President
$925,860
@ $150.18 · 2025-08-07
REINSETH THERESA E
Officer
$523,741
@ $150.63 · 2025-08-05
BANOVETZ JOHN PATRICK
Officer
$1.15M
@ $148.37 · 2025-05-23
RHODES KEVIN H
Officer
$1.23M
@ $154.02 · 2025-05-20
DICKSON ZOE L
Officer
$1.18M
@ $149.02 · 2025-05-15
CLARKE VICTORIA
Officer
$269,878
@ $154.22 · 2025-01-31
ROMAN MICHAEL F
Chairman of the Board
$7.55M
@ $152.30 · 2025-01-29
BANOVETZ JOHN PATRICK
Officer
$726,249
@ $151.36 · 2025-01-27
DICKSON ZOE L
Officer
$542,957
@ $149.41 · 2025-01-27
CHAVEZ RODRIGUEZ BEATRIZ KARINA
President
$247,163
@ $150.25 · 2025-01-27
RHODES KEVIN H
Officer
$1.01M
@ $149.85 · 2025-01-27
REINSETH THERESA E
Officer
$346,241
@ $149.95 · 2025-01-24
ROMAN MICHAEL F
Chairman of the Board
$6.79M
@ $150.01 · 2025-01-24
GORALSKI CHRISTIAN T JR
Officer
$944,070
@ $149.43 · 2025-01-24
REINSETH THERESA E
Officer
$131,925
@ $127.71 · 2024-11-20
ROMAN MICHAEL F
Chairman of the Board
$700,608
@ $123.46 · 2024-08-07
REINSETH THERESA E
Chief Financial Officer
$260,652
@ $124.12 · 2024-08-06
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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BAC
FearGreed
😏Greed(74/100)

"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.
MMM
FearGreed
😏Greed(62/100)

"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.

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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BAC
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 (74)
MMM
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 (62)
View BAC Full AnalysisView MMM Full Analysis

Frequently Asked Questions: BAC vs MMM

Is Bank of America Corporation or 3M Company more undervalued in 2026?

Based on our discounted cash flow model, BAC trades at a 57.9% margin of safety (intrinsic value $133 vs. price $56), compared to MMM's -9.5% margin of safety (intrinsic $147 vs. $161).

Which stock has a wider economic moat, Bank of America Corporation or 3M Company?

BAC scores 100/100 (Wide moat), while MMM scores 45/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Bank of America Corporation in financial distress?

BAC's Altman Z-Score of 0.2 places it in the Distress zone, signaling elevated bankruptcy risk. MMM scores 4.3 (Safe 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, Bank of America Corporation or 3M Company?

MMM earns 28.0% ROIC versus BAC's 3.9%. 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, Bank of America Corporation's or 3M Company's?

BAC's dividend earns a safety score of 79/100 (Safe), compared to MMM's 55/100 (Borderline). BAC has raised its dividend for 3 consecutive years.