Kinsale Capital Group, Inc. (KNSL) Stock Price & How to Invest

Last updated July 2026

Short answer

Kinsale Capital Group (KNSL) is a pure-play excess and surplus (E&S) lines insurer that has compounded book value and earnings at rates well above the industry, and it typically trades at a premium multiple that reflects that consistency. Investors usually treat it as a high-quality specialty-insurance compounder rather than a value or income play.

KNSL stock price

As of 2026-07-16, Kinsale Capital Group, Inc. (KNSL) last closed at $327.80, down 32.4% over the past year. Over the past 52 weeks it has traded between $290.20 and $485.37.

KNSL last close
$327.80
1 day
+2.56%
1 month
+4.83%
1 year
-32.40%
52-week range
$290.20 to $485.37
Last close
2026-07-16

Prices are daily closing prices from Yahoo Finance and may be delayed. For the live quote, check your broker or Kinsale Capital Group, Inc.'s investor relations page. Walnut is informational, not investment advice.

What does Kinsale Capital Group, Inc. (KNSL) do?

Kinsale Capital Group is a specialty property and casualty insurer focused entirely on the U.S. excess and surplus (E&S) lines market, the segment that handles hard-to-place commercial risks the standard admitted market will not write. It underwrites a broad spread of commercial lines (property, excess casualty, small business, construction, allied health, professional liability, commercial auto, and environmental) plus a small personal-lines book, distributing exclusively through independent brokers across all 50 states. Its structural edge is a proprietary technology platform that lets it run an expense ratio near 20 percent, well below peers, which supports consistently profitable underwriting and returns on equity in the high-20s percent range.

The investment picture is one of a high-quality compounder trading at a premium. In 2025 Kinsale grew gross written premiums about 5.7 percent to roughly $2.0 billion, posted record net income of about $503.6 million, and delivered a combined ratio near 75.9 percent with return on equity around 29.3 percent, numbers most insurers cannot approach. The trade-off is valuation and cyclicality: the stock has changed hands well above book value and at a mid-to-high teens price-to-earnings multiple, growth in its large commercial-property division has slowed sharply as that market softens, and results depend on continued underwriting discipline and catastrophe experience.

What's driving Kinsale Capital Group, Inc. (KNSL)?

1. Structural low-cost advantage

Kinsale's technology-first operating model keeps its expense ratio near 20 percent, materially below most E&S peers. In a commodity-like business, being the low-cost producer lets it price competitively while still earning underwriting profit, which is the core of its above-average return on equity.

2. E&S market tailwind

The excess and surplus lines segment has been growing faster than the admitted market as complex, hard-to-place risks migrate to specialty carriers. Kinsale's pure-play focus on small and mid-sized accounts gives it a large runway even as it remains a modest share of total E&S premium.

3. Underwriting discipline and reserves

Kinsale has consistently reported combined ratios well below 100 percent (about 75.9 percent for full-year 2025 and 77.4 percent in Q1 2026), aided by favorable prior-year reserve development. Disciplined risk selection over rate-chasing is central to how management frames the franchise.

4. Compounding book value and investment income

Retained earnings and a growing, higher-yielding fixed-income portfolio have lifted book value and net investment income. As premiums earn through and the invested asset base grows, investment income adds a second earnings engine alongside underwriting profit.

What are the risks to Kinsale Capital Group, Inc. (KNSL)?

The largest single risk is valuation: a premium multiple leaves little room for disappointment, so any slowdown in growth or margin can compress the stock. Growth in the commercial-property division has already decelerated sharply (gross written premiums in that segment fell roughly 18 percent for full-year 2025) as property pricing softens across the industry. As a specialty insurer, Kinsale carries catastrophe exposure, and a heavy hurricane or wildfire season could spike loss ratios. Reserve adequacy is an ongoing judgment, and adverse development on longer-tail casualty lines would hurt reported earnings. Finally, a softening broader E&S cycle could pull business back toward the admitted market and pressure both rates and volumes.

How is Kinsale Capital Group, Inc. (KNSL) valued? (approximate, July 2026)

A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Kinsale Capital Group, Inc.'s investor relations page or your broker.

  • Revenue (TTM): ~$1.85B
  • Gross written premiums (FY2025): ~$2.0B
  • Net income (FY2025): ~$503.6M
  • Combined ratio (Q1 2026): ~77.4%
  • Return on equity (FY2025): ~29.3%
  • P/E (trailing): ~18x

Kinsale trades at a premium to most specialty insurers, recently around the high-teens on trailing earnings and several times book value, which reflects its sector-leading return on equity and low combined ratio rather than a bargain price. Q1 2026 net income rose to about $112.6 million ($4.88 per diluted share) as the combined ratio improved year over year. Figures are approximate and drawn from company releases; they move with each quarterly report.

Who competes with Kinsale Capital Group, Inc. (KNSL)?

Focused E&S and specialty insurers

RLI Corp. and W. R. Berkley are the closest comparables, specialty-focused carriers with strong underwriting cultures that compete directly on niche casualty, professional, and small-commercial risks where technical skill and service matter most.

Diversified specialty and reinsurance groups

Markel Group, Fairfax Financial, AXIS Capital, and James River bring diversified specialty portfolios and decentralized underwriting that challenge Kinsale across casualty and property lines, though most lack its single-minded low-cost E&S focus.

Large multiline and conglomerate carriers

American International Group (AIG) and Berkshire Hathaway units such as RSUI have deep balance sheets and broad E&S capacity, competing on scale and capital rather than the technology-driven expense efficiency that defines Kinsale.

How to invest in Kinsale Capital Group, Inc. (KNSL)

There are three common ways to get KNSL exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it, which spreads the position across many companies. Or build it into a focused thematic basket, so KNSL sits alongside other stocks that express the same thesis.

Walnut takes the basket route. Describe a thesis where KNSL fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.

The bottom line on Kinsale Capital Group, Inc. (KNSL)

KNSL is a best-in-class, technology-driven E&S insurer whose sector-leading margins come attached to a premium valuation and slowing property-line growth.

More on Kinsale Capital Group, Inc. (KNSL)

Whether KNSL is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is KNSL a buy?, and where the stock could go from here in the KNSL stock forecast.

For income investors, whether KNSL pays a dividend and how the payout looks is covered in does KNSL pay a dividend?

Build a basket around KNSL with Walnut

Use Kinsale Capital Group, Inc. as one constituent in a thematic basket Walnut's AI helps you assemble. Describe a thesis you believe in, the AI proposes the holdings and weights, and you approve before any broker order.

FAQ

What does Kinsale Capital Group do?

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Kinsale is a specialty property and casualty insurer that operates entirely in the U.S. excess and surplus (E&S) lines market, writing hard-to-place commercial risks that the standard admitted market avoids. It sells through independent brokers across all 50 states.

What are excess and surplus (E&S) lines?

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E&S lines cover risks that standard admitted insurers decline because they are unusual, complex, or higher-hazard. E&S carriers like Kinsale have more freedom to set their own rates and terms, which can mean higher margins in exchange for taking on tougher-to-price exposures.

Why does KNSL trade at such a high valuation?

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The premium reflects Kinsale's consistently sector-leading results: return on equity in the high-20s percent range, a combined ratio in the mid-to-high 70s, and an expense ratio near 20 percent. Investors pay up for that combination of profitability and steady growth, though it leaves little margin for disappointment.

How did Kinsale perform in 2025?

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For full-year 2025 Kinsale grew gross written premiums about 5.7 percent to roughly $2.0 billion, reported record net income near $503.6 million (up about 21 percent), and posted a combined ratio around 75.9 percent with return on equity near 29.3 percent.

What were Kinsale's latest quarterly results?

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In Q1 2026 Kinsale reported total revenue of about $466.7 million and net income of roughly $112.6 million ($4.88 per diluted share), with the combined ratio improving to about 77.4 percent, helped by lower catastrophe losses and favorable prior-year reserve development.

What is Kinsale's competitive advantage?

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Its main edge is a proprietary technology platform that automates much of the underwriting and policy workflow, letting it run an expense ratio near 20 percent, well below peers. As a low-cost producer it can price competitively while still earning an underwriting profit.

What are the main risks with KNSL?

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Key risks include its premium valuation, slowing growth in its large commercial-property division as property pricing softens, catastrophe exposure from major storms or wildfires, potential adverse reserve development on casualty lines, and a possible softening of the broader E&S cycle.

Who competes with Kinsale?

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Direct specialty rivals include RLI Corp. and W. R. Berkley, along with diversified specialty groups like Markel, Fairfax, AXIS, and James River, and large multiline carriers such as AIG and Berkshire Hathaway units like RSUI that bring scale and capital to the E&S market.

Walnut is informational, not investment advice. Financial figures on this page are approximations; always verify current numbers with Kinsale Capital Group, Inc.'s investor relations page or your broker before making investment decisions.