10 /100
LOW RISK
Score updated May 29, 2026

COST — Costco Wholesale Corporation Dilution Risk Tracker

Track COST dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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📊 Score Breakdown

📋 Offering Ability
20
💰 Cash Runway
0
📊 Float Risk
0
⚠️ Warrant Exposure
15
🔄Convertible Debt

🌦️ Dilution Forecast

☀️
Clear
No significant dilution signals
0%
No significant dilution signals detected for COST.
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💹 Market Data

Market Cap$441.52B
Shares Outstanding443.65M
Float440.92M
Cash$11.13B
Debt$10.23B
Short InterestN/A

🏛 Institutional Holdings

QoQ: ↓ 57.1% shares (2026Q1 vs prior)
10 institutional holders · 148.50M shares
#1 Vanguard Group Inc 43.62M shares
#2 Blackrock Inc. 34.78M shares
#3 State Street Corporation 18.16M shares
+ 7 more holders Sign up free to view →

📉 Short Interest

Short Interest6.73M
Days to Cover4.1
% of Float1.5%
FINRA data as of Apr 30, 2026

📁 Recent SEC Activity

xbrl XBRL CONVERTIBLE Sep 03, 2017
4 INSIDER TRANSACTION Jan 28, 2026
4 INSIDER TRANSACTION Jan 28, 2026
Form 4 INSIDER TRANSACTION Jan 21, 2026
4 INSIDER TRANSACTION Jan 20, 2026
Full SEC filing analysis available with free account

📰 Recent News

No recent news
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🔬 More Research for COST
📊 COST FDA Catalyst Timeline & Biotech Grade — BiotechSigns 📡 COST Signal Convergence & Dark Pool Activity — StonkWhisper

Part of the Guerilla Finance research network. Cross-reference multiple data sources for better due diligence.