Compare Stocks › QCOM vs WDC
QUALCOMM Incorporated (QCOM) vs Western Digital Corporation (WDC)
QCOM
QUALCOMM Incorporated
$131.28
VS
WDC
Western Digital Corporation
$316.93
Rewards
QCOM
- ★QUALCOMM Incorporated has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★QUALCOMM Incorporated scores 73/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
- ★Free cash flow has grown at a 23.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
WDC
- ★Free cash flow has grown at a 19.1% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★Altman Z-Score of 5.53 indicates very low bankruptcy risk — the company is firmly in the safe zone.
Risks
QCOM
- ⚠FCF yield of 7.4% suggests reasonable valuation assuming continued moderate growth.
- ⚠Trailing P/E of 26.5x is 28% above the historical average of 20.7x — the stock trades at a premium to its own history.
- ⚠18 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
WDC
- ⚠Despite buyback spending, shares outstanding increased in 2 out of 2 years — stock-based compensation is offsetting repurchases.
- ⚠10 insider sales totaling $19.1M with no purchases in the past 3 months — insiders are reducing their exposure.
Key Valuation Metrics
Learn more →QCOM
WDC
Valuation
$10.42B
Free Cash Flow
$3.90B
7.43%
FCF Yield
3.60%
26.47
Trailing P/E
29.93
11.77
Forward P/E
23.57
Quality & Moat
25.70%
ROIC
N/A
24.02%
ROE
N/A
55.10%
Gross Margin
42.72%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.64
Debt / Equity
N/A
N/A
Interest Coverage
No debt
0.22
Net Debt / EBITDA
0.00
2.71%
Dividend Yield
0.16%
QCOM: 6WDC: 1
QCOMWDC
Historical Fundamentals
Learn more →QCOM
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
WDC
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 →QCOM
$5.06
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$11.96B
Δ Market Cap
+$60.46B
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
WDC
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-665.0M
Δ Market Cap
+$52.27B
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 →QCOM
71.3% Overvalued
Price is 71.3% above estimated fair value
Current Price: $131.28
Strongly undervalued
Fairly valued
Strongly overvalued
Fair Value: $76.62
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WDC
19.9% Margin of Safety
Price is 19.9% below estimated fair value
Current Price: $316.93
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $395.74
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →QCOM
What growth rate is the market pricing in at $131?
+11.2%
Market-Implied Owner Earnings Growth
Standard FCF implies +2.6%
The market implies +11.2% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +2.6%, reflecting heavy growth investment.
WDC
What growth rate is the market pricing in at $317?
+22.3%
Market-Implied Owner Earnings Growth
Standard FCF implies +12.2%
The market implies +22.3% Owner Earnings growth, roughly in line with history — reasonably priced.
Standard FCF implies +12.2%, reflecting ongoing growth investment.
Economic Moat Score
Learn more →QCOM
73/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None
Wide moat driven primarily by reinvestment efficiency. Revenue Predictability 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.
WDC
30/100
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 →QCOM
-3.16
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.
WDC
-2.33
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 →QCOM
Insiders 0.1%Institutions 81.6%Retail & Other 18.2%
No. of Institutional Holders3,852
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.
WDC
Insiders 0.5%Institutions 103.5%
No. of Institutional Holders1,636
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 →QCOM
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
WDC
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
Learn more →QCOM
3
Sells (3M)
18
Sells (12M)
Total value (12M): $12.83M
PALKHIWALA AKASH J
Chief Operating Officer
$330,815
@ $132.33 · 2026-03-12
PALKHIWALA AKASH J
Chief Operating Officer
$458,799
@ $137.65 · 2026-02-06
PALKHIWALA AKASH J
Chief Operating Officer
$577,620
@ $173.30 · 2026-01-02
PALKHIWALA AKASH J
Chief Operating Officer
$2.20M
@ $175.29 · 2025-12-19
ROGERS ALEXANDER H
Officer
$2.83M
@ $178.01 · 2025-12-16
CHAPLIN ANN C
General Counsel
$1.28M
@ $178.03 · 2025-12-16
PALKHIWALA AKASH J
Chief Operating Officer
$567,702
@ $170.33 · 2025-11-07
PALKHIWALA AKASH J
Chief Operating Officer
$1.38M
@ $166.06 · 2025-10-20
PALKHIWALA AKASH J
Chief Operating Officer
$522,808
@ $156.86 · 2025-09-02
MARTIN NEIL A
Officer
$122,463
@ $154.82 · 2025-08-21
PALKHIWALA AKASH J
Chief Operating Officer
$493,610
@ $148.10 · 2025-08-04
PALKHIWALA AKASH J
Chief Operating Officer
$537,560
@ $161.28 · 2025-07-02
PALKHIWALA AKASH J
Chief Operating Officer
$486,965
@ $146.10 · 2025-06-02
MARTIN NEIL A
Officer
$120,808
@ $153.70 · 2025-05-21
PALKHIWALA AKASH J
Chief Operating Officer
$465,846
@ $139.77 · 2025-05-05
PALKHIWALA AKASH J
Chief Operating Officer
$91,442
@ $141.11 · 2025-04-09
PALKHIWALA AKASH J
Chief Operating Officer
$119,900
@ $132.63 · 2025-04-08
PALKHIWALA AKASH J
Chief Operating Officer
$235,262
@ $132.10 · 2025-04-04
PALKHIWALA AKASH J
Chief Operating Officer
$523,292
@ $156.82 · 2025-03-03
MARTIN NEIL A
Officer
$130,074
@ $174.83 · 2025-02-21
PALKHIWALA AKASH J
Chief Operating Officer
$509,397
@ $169.80 · 2025-02-12
ROGERS ALEXANDER H
Officer
$3.28M
@ $169.83 · 2025-02-10
PALKHIWALA AKASH J
Chief Operating Officer
$463,851
@ $154.62 · 2025-01-02
CHAPLIN ANN C
General Counsel
$409,056
@ $158.12 · 2024-12-16
ROGERS ALEXANDER H
Officer
$1.67M
@ $160.59 · 2024-12-10
CHAPLIN ANN C
General Counsel
$1.24M
@ $160.59 · 2024-12-10
PALKHIWALA AKASH J
Chief Operating Officer
$484,617
@ $161.54 · 2024-12-05
MARTIN NEIL A
Officer
$202,120
@ $155.00 · 2024-11-21
PALKHIWALA AKASH J
Chief Operating Officer
$491,349
@ $163.78 · 2024-11-14
THOMPSON JAMES H.
Chief Technology Officer
$1.38M
@ $172.09 · 2024-11-08
CHAPLIN ANN C
General Counsel
$313,779
@ $165.06 · 2024-11-04
ROGERS ALEXANDER H
Officer
$539,157
@ $166.15 · 2024-10-02
THOMPSON JAMES H.
Chief Technology Officer
$1.36M
@ $169.80 · 2024-10-01
PALKHIWALA AKASH J
Chief Operating Officer
$497,848
@ $165.95 · 2024-10-01
MARTIN NEIL A
Officer
$126,224
@ $163.08 · 2024-09-05
THOMPSON JAMES H.
Chief Technology Officer
$1.37M
@ $171.72 · 2024-09-03
PALKHIWALA AKASH J
Chief Operating Officer
$497,980
@ $165.99 · 2024-09-03
PALKHIWALA AKASH J
Chief Operating Officer
$488,662
@ $162.89 · 2024-08-08
THOMPSON JAMES H.
Chief Technology Officer
$1.28M
@ $160.50 · 2024-08-02
PALKHIWALA AKASH J
Chief Operating Officer
$616,815
@ $205.60 · 2024-07-05
THOMPSON JAMES H.
Chief Technology Officer
$1.60M
@ $199.47 · 2024-07-01
THOMPSON JAMES H.
Chief Technology Officer
$1.68M
@ $209.61 · 2024-06-03
PALKHIWALA AKASH J
Chief Operating Officer
$617,299
@ $205.77 · 2024-06-03
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
WDC
10
Sells (3M)
28
Sells (12M)
Total value (12M): $34.30M
GUBBI VIDYADHARA K
Officer
$2.17M
@ $255.32 · 2026-03-06
GUBBI VIDYADHARA K
Officer
$2.74M
@ $270.31 · 2026-03-04
TREGILLIS CYNTHIA LOCK
Officer
$2.50M
@ $268.27 · 2026-03-04
COLE MARTIN I
Director
$1.63M
@ $271.67 · 2026-03-02
TREGILLIS CYNTHIA LOCK
Officer
$61,228
@ $286.11 · 2026-02-26
TREGILLIS CYNTHIA LOCK
Officer
$123,662
@ $282.33 · 2026-02-24
DAVIS BRIAN SCOTT
Officer
$2.79M
@ $279.16 · 2026-02-17
TREGILLIS CYNTHIA LOCK
Officer
$1.83M
@ $270.49 · 2026-02-06
TAN IRVING
Chief Executive Officer
$5.11M
@ $255.44 · 2026-02-02
TREGILLIS CYNTHIA LOCK
Officer
$102,363
@ $229.00 · 2026-01-21
GUBBI VIDYADHARA K
Officer
$3.72M
@ $163.16 · 2025-12-05
ALEXY KIMBERLY E.
Director
$320,165
@ $160.08 · 2025-12-04
TREGILLIS CYNTHIA LOCK
Officer
$449,752
@ $160.57 · 2025-12-02
COLE MARTIN I
Director
$975,696
@ $162.62 · 2025-12-01
OULMAN ROXANNE M
Director
$277,956
@ $154.42 · 2025-11-25
ALEXY KIMBERLY E.
Director
$272,272
@ $154.00 · 2025-11-25
COLE MARTIN I
Director
$1.61M
@ $161.32 · 2025-11-05
TAN IRVING
Chief Executive Officer
$3.01M
@ $150.69 · 2025-11-03
GUBBI VIDYADHARA K
Officer
$1.02M
@ $90.29 · 2025-09-04
ZAMISKA GENE M
Officer
$28,558
@ $80.90 · 2025-08-28
ZAMISKA GENE M
Officer
$64,387
@ $79.10 · 2025-08-26
TREGILLIS CYNTHIA LOCK
Officer
$1.05M
@ $74.78 · 2025-08-22
ZAMISKA GENE M
Officer
$375,847
@ $75.35 · 2025-08-22
TAN IRVING
Chief Executive Officer
$654,334
@ $75.90 · 2025-08-19
GUBBI VIDYADHARA K
Officer
$722,359
@ $75.69 · 2025-08-13
ZAMISKA GENE M
Officer
$14,212
@ $58.01 · 2025-06-17
ZAMISKA GENE M
Officer
$94,888
@ $54.88 · 2025-06-05
TAN IRVING
Chief Executive Officer
$548,354
@ $48.19 · 2025-05-13
ZAMISKA GENE M
Officer
$19,777
@ $43.37 · 2025-03-12
ZAMISKA GENE M
Officer
$68,616
@ $41.36 · 2025-03-07
ZAMISKA GENE M
Officer
$22,733
@ $72.63 · 2024-11-29
ZAMISKA GENE M
Officer
$46,053
@ $69.99 · 2024-11-26
ZAMISKA GENE M
Officer
$24,241
@ $64.47 · 2024-11-21
SODERBERY ROBERT
Officer
$2.09M
@ $68.01 · 2024-10-29
ZAMISKA GENE M
Officer
$139,390
@ $69.94 · 2024-10-28
GOECKELER DAVID V
Chief Executive Officer
$5.44M
@ $72.58 · 2024-10-25
GOECKELER DAVID V
Chief Executive Officer
$5.27M
@ $70.32 · 2024-09-26
ZAMISKA GENE M
Officer
$134,391
@ $61.96 · 2024-09-04
ZAMISKA GENE M
Officer
$19,946
@ $63.32 · 2024-08-29
ZAMISKA GENE M
Officer
$178,287
@ $61.48 · 2024-08-27
ZAMISKA GENE M
Officer
$27,059
@ $64.89 · 2024-08-21
SODERBERY ROBERT
Officer
$693,860
@ $57.09 · 2024-08-05
ZAMISKA GENE M
Officer
$17,082
@ $78.00 · 2024-06-17
SODERBERY ROBERT
Officer
$1.97M
@ $73.48 · 2024-06-04
ZAMISKA GENE M
Officer
$29,902
@ $71.88 · 2024-05-21
ZAMISKA GENE M
Officer
$33,225
@ $75.00 · 2024-04-08
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 →QCOM
😨Fear(30/100)
"Market is pessimistic — investigate whether fears are temporary or structural"
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.
WDC
😐Neutral(59/100)
"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 →QCOM
⚪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: Fear (30)
WDC
⚪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 (59)