Compare Stocks › REGN vs TSLA
Regeneron Pharmaceuticals, Inc. (REGN) vs Tesla, Inc. (TSLA)
REGN
Regeneron Pharmaceuticals, Inc.
$737.45
VS
TSLA
Tesla, Inc.
$380.30
Rewards
REGN
- ★Altman Z-Score of 7.56 indicates very low bankruptcy risk — the company is firmly in the safe zone.
- ★Net debt/EBITDA of -1.3x means the company holds more cash than debt — a net cash position.
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
REGN
- ⚠ROIC has declined by 6.1 percentage points over the observed period, which may signal competitive erosion.
- ⚠Each dollar of retained earnings has produced only $0.20 of market value — shareholders may have been better served by dividends.
- ⚠5 insider sales totaling $4.2M with no purchases in the past 3 months — insiders are reducing their exposure.
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
Learn more →REGN
TSLA
Valuation
$3.26B
Free Cash Flow
$6.22B
4.18%
FCF Yield
0.44%
17.80
Trailing P/E
358.77
13.97
Forward P/E
135.32
Quality & Moat
7.66%
ROIC
3.61%
14.41%
ROE
4.58%
44.57%
Gross Margin
18.03%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.10
Debt / Equity
0.18
N/A
Interest Coverage
N/A
-1.33
Net Debt / EBITDA
-2.79
0.51%
Dividend Yield
N/A
REGN: 7Ties: 1TSLA: 2
REGNTSLA
Historical Fundamentals
Learn more →REGN
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
Learn more →REGN
$0.20
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$12.50B
Δ Market Cap
+$2.52B
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
> $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
> $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 →REGN
56.6% Margin of Safety
Price is 56.6% below estimated fair value
Current Price: $737.45
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $1700.81
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
TSLA
367.6% Overvalued
Price is 367.6% above estimated fair value
Current Price: $380.30
Strongly undervalued
Strongly overvalued
Fair Value: $81.33
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →REGN
What growth rate is the market pricing in at $737?
+4.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +9.1%
The market implies +4.7% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +9.1%, 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
Learn more →REGN
68/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None
Narrow moat with revenue predictability as the key competitive advantage. Improving roic consistency 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 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
Learn more →REGN
-2.51
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
Learn more →REGN
Insiders 2.0%Institutions 90.9%Retail & Other 7.2%
No. of Institutional Holders1,956
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
Learn more →REGN
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
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
Learn more →REGN
5
Sells (3M)
8
Sells (12M)
Total value (12M): $9.32M
RYAN ARTHUR F
Director
$78,550
@ $785.50 · 2026-03-02
ZOGHBI HUDA Y
Director
$1.28M
@ $781.33 · 2026-02-19
PITOFSKY JASON
Officer
$1.59M
@ $778.52 · 2026-02-09
RYAN ARTHUR F
Director
$77,853
@ $778.53 · 2026-02-09
BASSLER BONNIE L
Director
$1.20M
@ $800.00 · 2026-01-07
BASSLER BONNIE L
Director
$570,000
@ $750.00 · 2025-11-20
PITOFSKY JASON
Officer
$280,766
@ $651.43 · 2025-11-07
POON CHRISTINE A
Director
$4.25M
@ $654.27 · 2025-10-29
MCCOURT MARION E
Officer
$844,610
@ $844.61 · 2024-11-01
MCCOURT MARION E
Officer
$1.05M
@ $1054.06 · 2024-10-01
RYAN ARTHUR F
Director
$104,878
@ $1048.78 · 2024-10-01
MCCOURT MARION E
Officer
$1.18M
@ $1178.73 · 2024-09-03
RYAN ARTHUR F
Director
$117,868
@ $1178.68 · 2024-09-03
BASSLER BONNIE L
Director
$884,520
@ $1170.00 · 2024-08-15
POON CHRISTINE A
Director
$12.55M
@ $1158.17 · 2024-08-15
MURPHY ANDREW J
Officer
$7.34M
@ $1153.15 · 2024-08-14
STAHL NEIL E
Officer
$5.64M
@ $1084.54 · 2024-08-08
PITOFSKY JASON
Officer
$521,090
@ $1070.00 · 2024-08-07
BASSLER BONNIE L
Director
$842,940
@ $1115.00 · 2024-08-02
MCCOURT MARION E
Officer
$1.21M
@ $1060.86 · 2024-08-01
RYAN ARTHUR F
Director
$107,467
@ $1085.53 · 2024-08-01
RYAN ARTHUR F
Director
$1,100
@ $1100.00 · 2024-08-01
LAROSA JOSEPH J
General Counsel
$2.03M
@ $1088.95 · 2024-07-11
MCCOURT MARION E
Officer
$1.19M
@ $1047.11 · 2024-07-01
RYAN ARTHUR F
Director
$105,924
@ $1059.24 · 2024-07-01
BASSLER BONNIE L
Director
$802,872
@ $1062.00 · 2024-06-24
BROWN MICHAEL S
Director
$1.60M
@ $1040.00 · 2024-06-14
BASSLER BONNIE L
Director
$836,097
@ $1011.00 · 2024-06-05
MCCOURT MARION E
Officer
$1.12M
@ $980.16 · 2024-06-03
RYAN ARTHUR F
Director
$99,450
@ $994.50 · 2024-06-03
BROWN MICHAEL S
Director
$1.14M
@ $974.86 · 2024-05-28
LAROSA JOSEPH J
General Counsel
$1.86M
@ $994.90 · 2024-05-21
SCHLEIFER LEONARD S
Chief Executive Officer
$22.36M
@ $979.23 · 2024-05-17
YANCOPOULOS GEORGE D
President
$48.64M
@ $972.73 · 2024-05-16
YANCOPOULOS GEORGE D
President
$48.79M
@ $975.87 · 2024-05-15
SCHLEIFER LEONARD S
Chief Executive Officer
$35.21M
@ $979.58 · 2024-05-15
MCCOURT MARION E
Officer
$222,352
@ $889.41 · 2024-05-01
RYAN ARTHUR F
Director
$89,961
@ $899.61 · 2024-05-01
MCCOURT MARION E
Officer
$241,182
@ $964.73 · 2024-04-01
RYAN ARTHUR F
Director
$96,253
@ $962.53 · 2024-04-01
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
Learn more →REGN
😐Neutral(56/100)
"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
😐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
Learn more →REGN
⚪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 (56)
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)