Compare StocksFAST vs TSLA

Fastenal Company (FAST) vs Tesla, Inc. (TSLA)

FAST
Fastenal Company
$44.49
VS
TSLA
Tesla, Inc.
$380.30

Rewards

FAST
  • Fastenal Company has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Fastenal Company scores 94/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Free cash flow has grown at a 11.0% CAGR over the past 4 years, demonstrating strong earnings power growth.
TSLA
  • Each dollar of retained earnings has created $50.04 of market value — management is an exceptional capital allocator.
  • Altman Z-Score of 19.94 indicates very low bankruptcy risk — the company is firmly in the safe zone.
  • Net debt/EBITDA of -2.8x means the company holds more cash than debt — a net cash position.

Risks

FAST
  • FCF yield of 2.1% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Trailing P/E of 40.8x is 26% above the historical average of 32.3x — the stock trades at a premium to its own history.
  • PEG ratio of 4.39 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
TSLA
  • ROIC has declined by 17.7 percentage points over the observed period, which may signal competitive erosion.
  • Gross margin of 18.0% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • Share count has increased by 19% over the past 4 years, diluting existing shareholders.

Key Valuation Metrics

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FAST
TSLA
Valuation
$1.05B
Free Cash Flow
$6.22B
2.06%
FCF Yield
0.44%
40.82
Trailing P/E
358.77
32.99
Forward P/E
135.32
Quality & Moat
28.00%
ROIC
3.61%
31.91%
ROE
4.58%
45.01%
Gross Margin
18.03%
4.39
PEG Ratio
N/A
Balance Sheet Safety
0.11
Debt / Equity
0.18
N/A
Interest Coverage
N/A
0.09
Net Debt / EBITDA
-2.79
2.02%
Dividend Yield
N/A
FAST: 7Ties: 1TSLA: 2
FASTTSLA

Historical Fundamentals

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FAST

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

TSLA

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

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FAST
$29.34
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$649.7M
Δ Market Cap
+$19.06B
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
TSLA
$50.04
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$25.92B
Δ Market Cap
+$1.30T
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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FAST
65.8% Overvalued
Price is 65.8% above estimated fair value
Current Price: $44.49
Fair Value: $26.84
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
TSLA
367.6% Overvalued
Price is 367.6% above estimated fair value
Current Price: $380.30
Fair Value: $81.33
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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FAST

What growth rate is the market pricing in at $44?

+17.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +19.9%

The market implies +17.4% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +19.9%, reflecting heavy growth investment.

TSLA

What growth rate is the market pricing in at $380?

+49.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +41.8%

The market implies +49.4% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +41.8%, reflecting heavy growth investment.

Economic Moat Score

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FAST
94/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Revenue Predictability is the standout factor.

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.
TSLA
31/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though revenue predictability 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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FAST
-2.40
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.
TSLA
-2.86
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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FAST
Insiders 0.2%Institutions 88.2%Retail & Other 11.6%
No. of Institutional Holders1,854
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.
TSLA
Insiders 11.1%Institutions 44.6%Retail & Other 44.3%
No. of Institutional Holders5,299
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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FAST
0
Buys (3M)
8
Buys (12M)
Total value (12M): $250,806
NIELSEN SARAH N
Director
$39,600
@ $39.60 · 2025-11-19
JOHNSON DANIEL L.
Director
$40,440
@ $40.44 · 2025-11-17
HSU HSENGHUNG SAM
Director
$40,750
@ $40.75 · 2025-11-13
HSU HSENGHUNG SAM
Director
$40,580
@ $40.58 · 2025-11-13
EASTMAN STEPHEN L
Director
$40,816
@ $40.82 · 2025-11-12
HSU HSENGHUNG SAM
Director
$42,450
@ $42.45 · 2025-10-16
MILLER CHARLES S
Officer
$3,069
@ $76.72 · 2025-04-14
MILLER CHARLES S
Officer
$3,101
@ $77.53 · 2025-04-14
LEWIS HOLDEN
Chief Financial Officer
$15,538
@ $71.94 · 2024-11-21
HSU HSENGHUNG SAM
Director
$63,115
@ $63.12 · 2024-06-11
JOHNSON DANIEL L.
Director
$229,056
@ $68.37 · 2024-04-17
Open market purchases · includes direct & indirect ownership · excludes option exercises
TSLA
0
Buys (3M)
2
Buys (12M)
Total value (12M): $1.00B
MUSK ELON REEVE
Chief Executive Officer
$999.96M
@ $389.28 · 2025-09-12
GEBBIA JOSEPH
Director
$1.03M
@ $256.31 · 2025-04-24
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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FAST
2
Sells (3M)
16
Sells (12M)
Total value (12M): $26.27M
WISECUP REYNE KAY
Director
$1.75M
@ $47.34 · 2026-03-05
SATTERLEE SCOTT ALAN
Director
$705,454
@ $44.19 · 2026-01-23
DRAZKOWSKI WILLIAM JOSEPH
Officer
$333,012
@ $48.67 · 2025-08-15
FLORNESS DANIEL LARS
Chief Executive Officer
$4.10M
@ $48.44 · 2025-08-12
FLORNESS DANIEL LARS
Chief Executive Officer
$4.10M
@ $48.44 · 2025-08-12
WATTS JEFFERY MICHAEL
President
$2.34M
@ $48.05 · 2025-08-08
SODERBERG JOHN LEWIS
Officer
$1.66M
@ $48.03 · 2025-08-08
SODERBERG JOHN LEWIS
Officer
$1.66M
@ $48.03 · 2025-08-08
BROERSMA ANTHONY PAUL
Officer
$650,931
@ $47.93 · 2025-07-24
LISOWSKI SHERYL ANN
Chief Financial Officer
$951,832
@ $45.21 · 2025-07-17
PAPENFUSS DONNALEE KATHLEEN
Officer
$121,983
@ $41.27 · 2025-06-05
SODERBERG JOHN LEWIS
Officer
$1.35M
@ $82.45 · 2025-05-16
SATTERLEE SCOTT ALAN
Director
$768,868
@ $79.51 · 2025-05-06
BROERSMA ANTHONY PAUL
Officer
$452,060
@ $81.19 · 2025-04-25
FLORNESS DANIEL LARS
Chief Executive Officer
$4.11M
@ $82.12 · 2025-04-24
DRAZKOWSKI WILLIAM JOSEPH
Officer
$1.22M
@ $81.31 · 2025-04-14
LEWIS HOLDEN
Chief Financial Officer
$5.15M
@ $74.97 · 2025-03-14
JANSEN JAMES C
Officer
$1.63M
@ $83.07 · 2024-11-22
MILLER CHARLES S
Officer
$1.97M
@ $83.92 · 2024-11-13
JOHNSON DANIEL L.
Director
$706,396
@ $83.36 · 2024-11-13
FLORNESS DANIEL LARS
Chief Executive Officer
$2.69M
@ $84.50 · 2024-11-11
LUNDQUIST NICHOLAS J
Director
$705,695
@ $83.14 · 2024-11-08
PAPENFUSS DONNALEE KATHLEEN
Officer
$374,470
@ $83.92 · 2024-11-08
LISOWSKI SHERYL ANN
Officer and Treasurer
$501,205
@ $83.53 · 2024-11-08
LEWIS HOLDEN
Chief Financial Officer
$3.41M
@ $83.12 · 2024-11-07
DRAZKOWSKI WILLIAM JOSEPH
Officer
$1.42M
@ $82.28 · 2024-11-06
SODERBERG JOHN LEWIS
Officer
$1.59M
@ $82.95 · 2024-11-06
HEISE RITA J
Director
$845,692
@ $77.67 · 2024-10-30
DRAZKOWSKI WILLIAM JOSEPH
Officer
$1.27M
@ $77.65 · 2024-10-16
WISECUP REYNE KAY
Director
$1.71M
@ $78.55 · 2024-10-16
BROERSMA ANTHONY PAUL
Officer
$52,945
@ $77.86 · 2024-10-16
LUNDQUIST NICHOLAS J
Director
$1.74M
@ $77.15 · 2024-10-15
LEWIS HOLDEN
Chief Financial Officer
$2.30M
@ $76.52 · 2024-10-14
LISOWSKI SHERYL ANN
Officer and Treasurer
$1.03M
@ $76.19 · 2024-10-14
FLORNESS DANIEL LARS
Chief Executive Officer
$3.48M
@ $69.68 · 2024-09-12
FLORNESS DANIEL LARS
Chief Executive Officer
$3.12M
@ $68.14 · 2024-08-21
JANSEN JAMES C
Officer
$732,147
@ $64.07 · 2024-05-29
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
TSLA
2
Sells (3M)
17
Sells (12M)
Total value (12M): $319.71M
TANEJA VAIBHAV
Chief Financial Officer
$899,077
@ $397.12 · 2026-03-06
WILSON - THOMPSON KATHLEEN
Director
$10.69M
@ $415.56 · 2026-02-25
MUSK KIMBAL J
Director
$25.61M
@ $450.66 · 2025-12-09
TANEJA VAIBHAV
Chief Financial Officer
$1.17M
@ $443.93 · 2025-12-08
TANEJA VAIBHAV
Chief Financial Officer
$918,137
@ $352.45 · 2025-09-08
TANEJA VAIBHAV
Chief Financial Officer
$1.77M
@ $295.26 · 2025-07-08
ZHU XIAOTONG
Officer
$4.86M
@ $323.81 · 2025-06-12
TANEJA VAIBHAV
Chief Financial Officer
$732,573
@ $285.71 · 2025-06-09
TANEJA VAIBHAV
Chief Financial Officer
$2.40M
@ $342.30 · 2025-06-03
EHRENPREIS IRA MATTHEW
Director
$170.64M
@ $357.30 · 2025-05-27
MUSK KIMBAL J
Director
$32.73M
@ $357.39 · 2025-05-27
TANEJA VAIBHAV
Chief Financial Officer
$1.05M
@ $350.11 · 2025-05-16
TANEJA VAIBHAV
Chief Financial Officer
$1.20M
@ $300.00 · 2025-05-09
DENHOLM ROBYN M
Director
$30.81M
@ $274.12 · 2025-05-06
TANEJA VAIBHAV
Chief Financial Officer
$1.14M
@ $284.40 · 2025-05-01
DENHOLM ROBYN M
Director
$32.10M
@ $285.58 · 2025-04-29
TANEJA VAIBHAV
Chief Financial Officer
$1.00M
@ $250.00 · 2025-04-07
MURDOCH JAMES RUPERT
Director
$13.19M
@ $240.79 · 2025-03-10
TANEJA VAIBHAV
Chief Financial Officer
$718,111
@ $268.75 · 2025-03-06
DENHOLM ROBYN M
Director
$33.67M
@ $299.61 · 2025-03-03
TANEJA VAIBHAV
Chief Financial Officer
$1.78M
@ $296.02 · 2025-03-03
MUSK KIMBAL J
Director
$27.59M
@ $367.87 · 2025-02-06
DENHOLM ROBYN M
Director
$43.16M
@ $384.04 · 2025-02-03
TANEJA VAIBHAV
Chief Financial Officer
$2.68M
@ $383.11 · 2025-02-03
TANEJA VAIBHAV
Chief Financial Officer
$2.89M
@ $413.56 · 2025-01-06
WILSON - THOMPSON KATHLEEN
Director
$41.16M
@ $411.63 · 2025-01-06
TANEJA VAIBHAV
Chief Financial Officer
$975,015
@ $374.29 · 2024-12-06
WILSON - THOMPSON KATHLEEN
Director
$35.25M
@ $352.54 · 2024-12-04
DENHOLM ROBYN M
Director
$39.79M
@ $354.06 · 2024-12-02
TANEJA VAIBHAV
Chief Financial Officer
$2.48M
@ $354.43 · 2024-12-02
DENHOLM ROBYN M
Director
$35.34M
@ $314.44 · 2024-11-15
TANEJA VAIBHAV
Chief Financial Officer
$3.80M
@ $316.91 · 2024-11-11
WILSON - THOMPSON KATHLEEN
Director
$34.60M
@ $346.02 · 2024-11-11
TANEJA VAIBHAV
Chief Financial Officer
$1.01M
@ $251.76 · 2024-11-01
MUSK KIMBAL J
Director
$15.14M
@ $250.23 · 2024-11-01
TANEJA VAIBHAV
Chief Financial Officer
$1.00M
@ $250.00 · 2024-10-24
TANEJA VAIBHAV
Chief Financial Officer
$2.00M
@ $250.00 · 2024-09-23
ZHU XIAOTONG
Officer
$65,867
@ $221.77 · 2024-09-06
DENHOLM ROBYN M
Director
$14.60M
@ $219.96 · 2024-07-25
ZHU XIAOTONG
Officer
$113,151
@ $174.35 · 2024-06-06
DENHOLM ROBYN M
Director
$17.32M
@ $184.86 · 2024-05-06
BAGLINO ANDREW D
Officer
$1.85M
@ $176.20 · 2024-04-01
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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FAST
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.
TSLA
FearGreed
😐Neutral(47/100)

"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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FAST
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)
TSLA
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 (47)
View FAST Full AnalysisView TSLA Full Analysis
Fastenal Company (FAST) vs Tesla, Inc. (TSLA) Stock Comparison | SafetyMargin.io