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13 /100
LOW RISK
Score updated Jul 28, 2026

UNP — Union Pacific Corporation Dilution Risk Tracker

Track UNP 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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As of July 28, 2026, Union Pacific Corporation (UNP) has a DilutionWatch DilutionScore of 13/100, rated LOW dilution risk. Union Pacific Corporation has a market capitalization of $155.93B, 593.71M shares outstanding, 2768 institutional holders tracked. Key dilution vectors include approximately 999 months of cash runway.

Source: DilutionWatch (dilutionwatch.com) — data updated daily from SEC EDGAR filings. Not financial advice.

Score Breakdown

📋 Offering Ability
19
💰 Cash Runway
0
📊 Float Risk
2
⚠️ Warrant Exposure
15
🔄Convertible Debt

Dilution Forecast

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

Market Cap$155.93B
Shares Outstanding593.71M
Float592.41M
Cash$735.00M
Debt$31.81B
Short InterestN/A

Institutional Holdings

QoQ: ↑ 22.3% shares (2026Q1 vs prior)
2768 institutional holders · 669.23M shares
#1 VANGUARD CAPITAL MANAGEMENT LLC 77.11M shares
#2 BlackRock, Inc. 47.78M shares
#3 MORGAN STANLEY 39.55M shares
+ 17 more holders Sign up free to view →

Short Interest

Short Interest28.23M
Days to Cover12.5
% of Float4.8%
FINRA data as of Jul 15, 2026

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2023-12-31
Full SEC filing analysis available with free account

Recent News

No recent news

What This Means for UNP Shareholders

Union Pacific Corporation (UNP) has a DilutionScore of 13/100, rated Low dilution risk. At this score level, DilutionWatch's real-time EDGAR monitoring shows limited near-term dilution signals. This does not mean zero dilution risk — shelf registrations can be filed and activated quickly — but the current filing profile shows no major outstanding dilution programs. Score as of July 28, 2026.

DilutionWatch's EDGAR monitoring for UNP shows no major active dilution programs at this time. The primary risk categories — shelf registration capacity, ATM programs, warrant overhang, and cash runway — are each within normal ranges for a company of this profile. This can change quickly if a new S-3 or Form S-1 is filed.

DilutionWatch tracks over 25 SEC filing types for UNP in real-time, scanning EDGAR every 60 seconds. The DilutionWatch shows real-time score changes for UNP alongside comparable low-risk stocks. Not financial advice — this analysis is for informational purposes only.

Understanding UNP's Dilution Risk Factors

Primary Risk Drivers

The two most significant dilution risks for Union Pacific Corporation stem from its Offering Ability and Cash Runway scores. Offering Ability is currently at a level that indicates moderate potential for new equity issuance, which could dilute existing shareholders. The Cash Runway score of zero reflects an abundant cash position with no near-term liquidity concerns, yet this also implies the company has little urgency to raise capital through equity, reducing the immediate risk of dilution from cash needs.

Factors Currently Not a Concern

Float Risk and Warrant Exposure are both at very low levels, indicating minimal dilution pressure from these sources. Float Risk is near zero, suggesting that the company’s outstanding shares are not subject to significant speculative or short-term trading risks. Warrant Exposure remains low, meaning there are few warrants outstanding that could be exercised and increase share count. A change in either area would involve a substantial number of new warrants being issued or a major shift in the company's capital structure that would likely be disclosed in SEC filings.

SEC Filings to Watch

Key filings to monitor include S-3 registration statements, which allow for continuous equity offerings and could signal future dilution. 424B5 documents are used to register securities under shelf registration, often indicating planned capital raises. 8-K Item 1.01 reports material events such as new equity issuances or significant changes in capital structure. Additionally, 10-Q filings provide quarterly financial updates and may reveal changes in share count or capital plan modifications that could impact dilution.

How Dilution Happens

Dilution occurs when a company issues new shares, increasing the total number of outstanding shares and reducing the ownership percentage of existing shareholders. For Union Pacific, if Offering Ability increases, it may lead to new equity offerings that are directly issued to investors. Each new share issued dilutes the value of existing holdings unless the company uses proceeds effectively. Convertible notes and warrants can also convert into common stock, further increasing the total number of shares outstanding and reducing per-share value.

What Would Make This Worse

A significant deterioration in risk would occur if Offering Ability or Convertible Note Risk were to rise substantially, indicating a greater likelihood of new equity issuance or convertible debt conversion. A change in cash runway from zero to a higher score could suggest financial stress, potentially leading to capital raising through equity. Additionally, an increase in warrant exposure or a large-scale issuance of new securities under shelf registration would heighten dilution risk, particularly if the company’s cash position were to decline and necessitate external funding.

Key Insight

Despite its low scores across most metrics, Union Pacific's Offering Ability remains a key factor to monitor for potential future dilution events.

How to Monitor UNP for Dilution Risk

What This Risk Level Means

For a large-cap operating company like Union Pacific Corporation (UNP), a low dilution risk profile indicates strong financial stability and minimal exposure to equity dilution pressures. As a large-cap entity, UNP benefits from market recognition, established capital structures, and access to diverse funding sources, which reduce the likelihood of aggressive issuance strategies that could dilute shareholder value. The absence of elevated factors suggests that management has not engaged in practices such as frequent stock option grants or capital raise programs that would typically increase dilution risk. This profile is particularly favorable for long-term investors seeking stability in a large-cap environment.

What Typically Happens Next

Companies with low dilution risk profiles often maintain conservative capital structures and avoid aggressive issuance methods. While shelf registrations or ATM programs may occasionally appear, they are typically limited in scope and frequency. For UNP, the most common pattern involves periodic warrant exercises or small-scale equity offerings that align with strategic initiatives rather than routine capital needs. The company’s financial strength and market position usually prevent the need for frequent dilutive actions, keeping shareholder ownership intact over time.

Monitoring Playbook

To effectively monitor UNP’s dilution risk, use DilutionWatch to track changes in key metrics like equity issuance frequency and outstanding warrants. Set alerts for any increase in the DilutionScore above 20/100, which signals a potential shift in strategy. Check updates monthly or bi-monthly, especially around earnings seasons and major corporate announcements. If thresholds are hit, review SEC filings for new equity offerings, warrant exercises, or changes in capital structure to assess the impact on shareholder value.

Early Warning Signals

Watch For

Unusual increases in outstanding warrants, frequent filings for shelf registrations, or sudden spikes in employee stock option grants are red flags that may indicate a growing dilution risk profile.

  • Sudden appearance of new shelf registration filings
  • Increase in the number of outstanding warrants or options
  • Rising frequency of equity issuance events in SEC documents

What a Positive Resolution Looks Like

A positive shift in UNP’s dilution risk profile would involve actions that reduce exposure, such as the expiration of existing warrants without renewal, successful debt refinancing that decreases reliance on equity issuance, or a capital raise that strengthens balance sheet position. Additionally, if the company opts to repurchase shares or reduces outstanding equity instruments, this would significantly improve its risk posture. Shelf & ATM Monitor can track such movements and provide early visibility into potential structural changes.

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