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The competitive dynamic between Arch Capital Group Ltd. and Principal Financial Group, Inc. shapes the insurance industry’s evolution. Arch Capital operates as a diversified insurer and reinsurer with a global footprint, emphasizing risk management and specialty coverages. Principal Financial focuses on retirement and asset management, blending insurance with wealth solutions. This analysis evaluates their strategic contrasts to identify which company offers superior risk-adjusted returns for a diversified portfolio in the evolving financial services sector.

Arch Capital Group vs Principal Financial Group: Company Comparison
Table of contents

Companies Overview

Arch Capital Group Ltd. and Principal Financial Group, Inc. are pivotal players in the diversified insurance sector.

Arch Capital Group Ltd.: Global Insurance & Reinsurance Specialist

Arch Capital Group Ltd. dominates as a diversified insurance and reinsurance provider worldwide. Its core revenue engine stems from underwriting casualty, property, and mortgage insurance products, plus risk management and reinsurance services. In 2026, Arch focuses strategically on expanding its reinsurance footprint and enhancing its specialty insurance offerings through broker networks.

Principal Financial Group, Inc.: Retirement & Asset Management Leader

Principal Financial Group, Inc. defines itself as a comprehensive retirement and asset management firm. It generates revenue primarily via retirement solutions, global asset management, and specialty insurance products. The company’s 2026 strategy prioritizes broadening its retirement plan services and international market reach while innovating insurance solutions for individuals and businesses.

Strategic Collision: Similarities & Divergences

Both companies operate in the diversified insurance sector but differ in focus: Arch emphasizes reinsurance and specialty casualty lines, while Principal centers on retirement and asset management. Their competitive battleground lies in risk management and insurance product innovation. Arch offers a more specialized insurance portfolio, whereas Principal presents a broader financial services mix, appealing to distinct investor profiles.

Income Statement Comparison

This data dissects the core profitability and scalability of both corporate engines to reveal who dominates the bottom line:

income comparison
MetricArch Capital Group Ltd. (ACGL)Principal Financial Group, Inc. (PFG)
Revenue16.93B16.13B
Cost of Revenue10.99B8.77B
Operating Expenses1.46B5.46B
Gross Profit5.94B7.35B
EBITDA4.85B2.15B
EBIT4.62B1.89B
Interest Expense141M2.6M
Net Income4.31B1.57B
EPS11.476.77
Fiscal Year20242024

Income Statement Analysis: The Bottom-Line Duel

This income statement comparison reveals which company delivers stronger efficiency and profitability through their core operations.

Arch Capital Group Ltd. (ACGL) Analysis

ACGL’s revenue doubled from 2020 to 2024, reaching $16.9B in 2024 with net income surging 207% over five years to $4.3B. Its gross margin holds steady at 35%, while net margin remains robust at 25.5%. Despite a slight net margin decline last year, ACGL’s operating efficiency and EBIT margin of 27.3% highlight growing momentum.

Principal Financial Group, Inc. (PFG) Analysis

PFG posted $16.1B revenue in 2024, up 9.4% over five years, with net income rising modestly to $1.57B. Its gross margin impresses at 45.6%, though net margin is lower at 9.7%. Notably, PFG’s EBIT jumped 156% last year, reflecting improved operational control. EPS growth of 162% signals accelerating profitability despite more moderate top-line gains.

Margin Dominance vs. Earnings Momentum

ACGL outpaces PFG in net income scale and margin strength, delivering superior profitability and a wider moat. PFG shows remarkable earnings momentum and gross margin leadership but lags in converting revenue to bottom-line profits. For investors prioritizing sustained profit efficiency, ACGL’s profile offers a more compelling fundamental foundation.

Financial Ratios Comparison

These vital ratios act as a diagnostic tool to expose the underlying fiscal health, valuation premiums, and capital efficiency of the companies compared below:

RatiosArch Capital Group Ltd. (ACGL)Principal Financial Group, Inc. (PFG)
ROE20.7%14.2%
ROICN/A10.5%
P/E8.011.1
P/B1.651.58
Current Ratio00
Quick Ratio00
D/E0.130.37
Debt-to-Assets3.8%1.3%
Interest Coverage31.7727
Asset Turnover0.240.05
Fixed Asset Turnover020.96
Payout ratio44.2%41.9%
Dividend yield5.54%3.76%
Fiscal Year20242024

Efficiency & Valuation Duel: The Vital Signs

Financial ratios serve as a company’s DNA, unveiling hidden risks and spotlighting operational excellence beyond surface numbers.

Arch Capital Group Ltd.

Arch Capital posts a strong 20.7% ROE and a robust 25.5% net margin, demonstrating efficient profitability. Its P/E ratio of 7.98 signals an attractively valued stock, not stretched by the market. Arch Capital offers a 5.54% dividend yield, balancing shareholder returns with measured reinvestment.

Principal Financial Group, Inc.

Principal Financial shows a moderate 14.2% ROE and a 9.7% net margin, reflecting average profitability. The P/E of 11.15 is fair, indicating the stock is reasonably priced. Principal supports shareholders with a 3.76% dividend yield and reinvests efficiently, evidenced by a favorable 1046% ROIC versus WACC.

Operational Efficiency Meets Valuation Discipline

Principal Financial delivers superior capital efficiency with its exceptional ROIC over WACC, while Arch Capital excels in net margin and dividend yield. Arch suits investors prioritizing current income, whereas Principal fits those valuing capital returns and growth balance.

Which one offers the Superior Shareholder Reward?

I see Arch Capital Group Ltd. (ACGL) offers a higher dividend yield at 5.54% with a payout ratio of 44%, well covered by free cash flow. ACGL also executes steady buybacks, enhancing shareholder value. Principal Financial Group, Inc. (PFG) yields 3.76% with a similar payout ratio near 42%, but its buyback intensity is less pronounced. PFG’s higher financial leverage (28x vs. ACGL’s 3.4x) raises risk, questioning payout sustainability. I favor ACGL’s balanced distribution and buyback strategy for superior total return in 2026.

Comparative Score Analysis: The Strategic Profile

The radar chart reveals the fundamental DNA and trade-offs of Arch Capital Group Ltd. and Principal Financial Group, Inc.:

scores comparison

Arch Capital Group Ltd. dominates in cash flow generation, ROE, and ROA, showing operational efficiency. Principal Financial Group, Inc. lags in asset utilization but matches on debt management and valuation metrics. Arch Capital presents a more balanced financial profile, while Principal relies more on moderate leverage control.

Bankruptcy Risk: Solvency Showdown

The Altman Z-Score gap shows both firms face distress zone risks, but Arch Capital’s score (1.27) suggests marginally better solvency than Principal Financial’s (0.13):

altman z score comparison

Financial Health: Quality of Operations

Principal Financial Group leads with a very strong Piotroski F-Score of 9, signaling peak financial health. Arch Capital’s 7 is strong but flags slightly weaker internal metrics:

piotroski f score comparison

How are the two companies positioned?

This section dissects the operational DNA of ACGL and PFG by comparing their revenue distribution by segment and internal strengths and weaknesses. The final objective confronts their economic moats to identify which model offers the most resilient, sustainable advantage today.

Revenue Segmentation: The Strategic Mix

This visual comparison dissects how Arch Capital Group Ltd. and Principal Financial Group, Inc. diversify their income streams and where their primary sector bets lie:

revenue by segment comparison

Arch Capital Group Ltd. anchors revenue in Reinsurance ($7.24B) and Insurance ($6.63B), with Mortgage trailing at $1.23B. Principal Financial Group, Inc. pivots around Retirement and Investor Services ($7.98B) and Benefits and Protection ($4.79B), plus Asset Management at $2.79B. Arch Capital’s balanced insurance segments reduce concentration risk. Principal’s heavy reliance on retirement services signals ecosystem lock-in but exposes it to market-driven volatility.

Strengths and Weaknesses Comparison

This table compares the Strengths and Weaknesses of Arch Capital Group Ltd. (ACGL) and Principal Financial Group, Inc. (PFG):

ACGL Strengths

  • Strong profitability with 25.47% net margin
  • Favorable ROE at 20.71%
  • Low debt-to-assets at 3.85%
  • High interest coverage ratio (32.73)
  • Diversified revenue across insurance, mortgage, and reinsurance

PFG Strengths

  • Extremely high ROIC at 1046.43%
  • Favorable interest coverage (726.77)
  • Favorable fixed asset turnover (20.96)
  • Favorable dividend yield (3.76%)
  • Diversified revenue with strong retirement and asset management segments

ACGL Weaknesses

  • Unfavorable ROIC at 0%
  • Poor liquidity ratios (current and quick ratios at 0)
  • Low asset turnover (0.24)
  • Neutral PB ratio (1.65)
  • Moderate PE ratio (7.98)

PFG Weaknesses

  • Neutral net margin (9.74%) and ROE (14.17%)
  • Poor liquidity ratios (current and quick ratios at 0)
  • Low asset turnover (0.05)
  • Neutral PB ratio (1.58)
  • Higher debt-to-equity (0.37) than ACGL

Both companies show strengths in profitability and diversification but face liquidity concerns with zero current and quick ratios. ACGL excels in net margin and ROE, while PFG leads in ROIC and asset efficiency. These factors shape each firm’s strategic financial management and risk profile.

The Moat Duel: Analyzing Competitive Defensibility

A structural moat shields long-term profits from relentless competitive pressure and market erosion. Let’s dissect the moats of Arch Capital Group and Principal Financial Group:

Arch Capital Group Ltd. (ACGL): Risk Expertise with Margin Stability

Arch Capital leverages intangible assets and underwriting expertise as its moat. This manifests in stable, high EBIT margins near 27%, but its declining ROIC signals weakening capital efficiency. New market risks in 2026 could deepen challenges.

Principal Financial Group, Inc. (PFG): Capital Efficiency and Growth Moat

Principal’s moat stems from strong capital allocation and diversified retirement services, driving ROIC well above WACC with a soaring growth trend. Unlike ACGL, PFG actively expands through asset management and insurance innovation in 2026.

Capital Allocation vs. Underwriting Expertise: The Moat Showdown

Principal Financial Group’s moat is wider and deeper, evidenced by a robust ROIC surpassing cost of capital and accelerating profitability. Arch Capital’s shrinking ROIC warns of eroding value, leaving PFG better positioned to defend and grow its market share.

Which stock offers better returns?

Over the past year, both Arch Capital Group Ltd. and Principal Financial Group, Inc. display strong upward price momentum with accelerating trends and notable gains.

stock price comparison

Trend Comparison

Arch Capital Group Ltd. (ACGL) shows a 9.62% price increase over 12 months, marking a bullish trend with accelerating momentum and a high-low range from 86.31 to 114.86.

Principal Financial Group, Inc. (PFG) posts an 18.44% gain over the same period, confirming a bullish trend with acceleration, a tighter volatility profile, and prices ranging between 72.14 and 94.72.

PFG outperforms ACGL with a higher total return and stronger recent price acceleration, delivering the superior market performance over the last year.

Target Prices

Analysts present a moderately bullish consensus for Arch Capital Group Ltd. and Principal Financial Group, Inc.

CompanyTarget LowTarget HighConsensus
Arch Capital Group Ltd.93125104
Principal Financial Group, Inc.8510091.5

For Arch Capital Group, the consensus target of 104 suggests a potential 8% upside from the current 96.04 price. Principal Financial Group’s target consensus of 91.5 implies a slight downside from the current 94.72 price, signaling cautious investor expectations.

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How do institutions grade them?

This section compares the latest institutional grades for Arch Capital Group Ltd. and Principal Financial Group, Inc.:

Arch Capital Group Ltd. Grades

Here are the recent grades issued by reputable financial institutions for Arch Capital Group Ltd.:

Grading CompanyActionNew GradeDate
Cantor FitzgeraldmaintainNeutral2026-01-14
Goldman SachsmaintainSell2026-01-08
BarclaysmaintainEqual Weight2026-01-08
Evercore ISI GroupmaintainIn Line2026-01-07
JP MorganmaintainNeutral2026-01-07
Keefe, Bruyette & WoodsmaintainMarket Perform2026-01-06
Roth CapitalmaintainBuy2025-12-02
Morgan StanleymaintainOverweight2025-11-17
Wells FargomaintainOverweight2025-10-29
JP MorganmaintainNeutral2025-10-28

Principal Financial Group, Inc. Grades

Below are the latest institutional grades available for Principal Financial Group, Inc.:

Grading CompanyActionNew GradeDate
Wells FargomaintainUnderweight2026-01-13
UBSmaintainNeutral2026-01-08
JP MorgandowngradeNeutral2026-01-05
Piper SandlermaintainOverweight2025-12-23
Keefe, Bruyette & WoodsmaintainMarket Perform2025-10-30
Wells FargomaintainUnderweight2025-10-29
Morgan StanleyupgradeEqual Weight2025-10-23
Keefe, Bruyette & WoodsmaintainMarket Perform2025-10-09
Evercore ISI GroupmaintainIn Line2025-10-09
BarclaysmaintainUnderweight2025-10-08

Which company has the best grades?

Arch Capital Group Ltd. consistently receives neutral to overweight ratings, with some “Buy” and “Overweight” grades from top firms. Principal Financial Group, Inc. shows more mixed ratings, including multiple “Underweight” grades and recent downgrades. Investors may view Arch Capital as more favorably rated, potentially reflecting stronger institutional confidence.

Risks specific to each company

The following categories identify the critical pressure points and systemic threats facing both firms in the 2026 market environment:

1. Market & Competition

Arch Capital Group Ltd. (ACGL)

  • Operates globally in diversified insurance and reinsurance, facing intense competition from specialized insurers and reinsurers.

Principal Financial Group, Inc. (PFG)

  • Competes in retirement, asset management, and insurance with a broad product range, challenged by fintech and asset managers.

2. Capital Structure & Debt

Arch Capital Group Ltd. (ACGL)

  • Maintains low debt-to-equity (0.13) and debt-to-assets (3.85%), signaling conservative leverage and financial flexibility.

Principal Financial Group, Inc. (PFG)

  • Higher leverage ratio (debt/equity 0.37) but still favorable, with strong interest coverage (726.77), reducing default risk.

3. Stock Volatility

Arch Capital Group Ltd. (ACGL)

  • Exhibits low beta (0.425), indicating lower market volatility and defensive stock behavior.

Principal Financial Group, Inc. (PFG)

  • Shows higher beta (0.9), suggesting increased sensitivity to market swings and higher volatility risk.

Arch Capital Group Ltd. (ACGL)

  • Faces complex international insurance regulations, with exposure to reinsurance and mortgage insurance compliance challenges.

Principal Financial Group, Inc. (PFG)

  • Subject to stringent U.S. and international financial regulations affecting retirement and investment products.

5. Supply Chain & Operations

Arch Capital Group Ltd. (ACGL)

  • Relies on brokers worldwide, which may create operational dependencies and distribution risks.

Principal Financial Group, Inc. (PFG)

  • Operates with a broad employee base and multiple segments, which may complicate operational efficiency and integration.

6. ESG & Climate Transition

Arch Capital Group Ltd. (ACGL)

  • Exposure to property and catastrophe insurance heightens vulnerability to climate risks and transition costs.

Principal Financial Group, Inc. (PFG)

  • Faces pressure to integrate ESG in asset management and retirement solutions amid evolving regulatory expectations.

7. Geopolitical Exposure

Arch Capital Group Ltd. (ACGL)

  • Bermuda headquarters and global footprint expose it to geopolitical instability and regulatory shifts outside the U.S.

Principal Financial Group, Inc. (PFG)

  • Predominantly U.S.-based but with international operations in emerging markets, exposing it to geopolitical and currency risks.

Which company shows a better risk-adjusted profile?

Arch Capital Group’s most impactful risk lies in operational and regulatory complexity across diverse insurance lines and regions. Principal Financial’s key risk centers on higher stock volatility and geopolitical exposure in emerging markets. Despite ACGL’s operational challenges, its lower leverage and beta indicate a more stable risk-adjusted profile. Principal’s impressive profitability metrics come with elevated market sensitivity, which demands cautious position sizing. The stark contrast in beta (0.425 vs. 0.9) and interest coverage ratios (32.7 vs. 726.8) highlights this dynamic clearly.

Final Verdict: Which stock to choose?

Arch Capital Group Ltd. (ACGL) stands out as a cash-generating powerhouse with efficient capital allocation driving strong returns on equity. Its main point of vigilance lies in deteriorating ROIC trends, signaling potential challenges in long-term value creation. ACGL fits investors seeking aggressive growth with a tolerance for operational risks.

Principal Financial Group, Inc. (PFG) offers a durable competitive moat backed by an exceptional ROIC far exceeding its cost of capital. Its robust free cash flow and conservative debt profile provide a safety cushion relative to ACGL. PFG suits a GARP (Growth at a Reasonable Price) portfolio focused on stability and sustainable profitability.

If you prioritize capital efficiency and durable value creation, PFG is the compelling choice due to its growing ROIC and strong moat. However, if you seek higher growth potential with a willingness to accept ROIC volatility, ACGL offers an aggressive growth scenario but demands close monitoring of its capital returns.

Disclaimer: Investment carries a risk of loss of initial capital. The past performance is not a reliable indicator of future results. Be sure to understand risks before making an investment decision.

Go Further

I encourage you to read the complete analyses of Arch Capital Group Ltd. and Principal Financial Group, Inc. to enhance your investment decisions: