Core Insights - Bowhead Specialty Holdings Inc. achieved a 21% increase in gross written premiums (GWP) in Q4 to $224 million and a 24% increase for the full year to approximately $863 million, driven primarily by disciplined premium growth in the casualty division [1][2][19] - The company reported a 30% growth in adjusted net income for the year, with an adjusted return on equity of 13.6% and diluted adjusted earnings per share of $1.65 [2][19] - The casualty division was the largest contributor to GWP growth, with a 26% increase in Q4 to $133 million and a 28% increase for the full year to $551 million, largely due to the excess casualty portfolio [1][19] Financial Performance - The expense ratio improved to below 30% for the year, better than the low-30s range initially expected, contributing to the overall profitability [2][28] - The loss ratio for 2025 was reported at 66.7%, an increase of 2.3 points from 2024, influenced by higher expected loss ratios and portfolio mix changes [20][27] - The company’s investment portfolio saw a 36% increase in pretax net investment income for Q4 and a 44% increase for the year, totaling $57.8 million [29] Growth Drivers - The fourth quarter's growth was bolstered by the approval of construction projects, which added nearly 30% to casualty premiums [5] - The cyber liability portfolio and healthcare management liability were significant contributors to full-year growth, with GWP in healthcare increasing 14% to $116 million [6][19] - The digital underwriting model, including the Baleen initiative, is expected to drive future growth, with Baleen generating over $21 million for the year [7][19] Underwriting Strategy - The company employs two underwriting models: a craft underwriting model for complex risks and a digital underwriting model for small, harder-to-place risks [8][9] - The craft model accounted for over 97% of GWP in 2025, while the digital model is designed for speed and efficiency in decision-making [10] - Bowhead Specialty Holdings Inc. maintains a disciplined approach to underwriting, focusing on profitability over volume and avoiding high-risk classes [16][17] Future Outlook - The company anticipates a GWP growth of around 20% for 2026, primarily driven by the casualty division and digital capabilities [11][30] - The expense ratio is expected to remain below 30% due to ongoing scaling and technology initiatives [32] - The company plans to extend the duration of its investment portfolio from 3 to 4 years to better match liabilities [33]

Financial Data and Key Metrics Changes - Bowhead achieved disciplined premium growth of 24% for the year, surpassing the original expectation of 20% [5] - Adjusted net income grew over 30% for the year, with an adjusted return on equity of 13.6% and diluted adjusted earnings per share of $1.65 [5][20] - Gross written premiums (GWP) increased 21% in Q4 to $224 million, and 24% for the full year to approximately $863 million [6][20] Business Line Data and Key Metrics Changes - Casualty division drove GWP growth, increasing approximately 26% in Q4 to $133 million, and 28% for the full year to $551 million [7] - Professional liability division GWP increased approximately 4% in Q4 to $48 million and 9% for the full year to $174 million, primarily driven by the cyber liability portfolio [8] - Healthcare liability division GWP increased approximately 8% in Q4 to $34 million and 14% for the full year to $116 million, with growth driven by healthcare management liability and senior care portfolios [8] Market Data and Key Metrics Changes - The current accident year loss ratio increased 1.8 points due to higher expected loss ratios and trends after the annual reserve review [21] - The overall loss ratio for 2025 was 66.7%, an increase of 2.3 points compared to 64.4% in 2024 [21] - The investment portfolio's pre-tax net investment income for the quarter increased approximately 36% to $16.6 million, and 44% for the year to $57.8 million [28] Company Strategy and Development Direction - Bowhead aims for sustainable and profitable growth across market cycles through two underwriting models: craft underwriting and digital underwriting [9][10] - The company expects profitable premium growth of around 20% for 2026, primarily driven by the casualty division and digital capabilities [12][29] - Investments in technology and talent are expected to enhance the company's ability to capture more opportunities [19] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the current market, noting a healthy balance of rate and limit management [18] - The company anticipates that social inflation and litigation funding will continue to impact the market, but remains focused on disciplined risk selection [17] - Management highlighted that submissions are growing faster than they can quote, indicating strong demand for their offerings [19] Other Important Information - The company issued $150 million of 7.75% senior unsecured notes scheduled to mature on December 1, 2030, to support regulatory capital requirements [31] - The effective tax rate for the year was 20.1%, which may vary due to state taxes and stock-based compensation [28] Q&A Session Summary Question: What does the prior year reserve development imply for price adequacy for 2026 for professional and healthcare? - Management believes they are priced well, with pricing coming in above trend, and adjustments were made conservatively [33] Question: How should we think of a mature Baleen in terms of loss ratio characteristics? - Management expects Baleen's loss ratio to be superior to the general large casualty business due to the restricted nature of coverage [36] Question: How do you translate industry data into the loss ratio picks? - The company uses proprietary information from a third-party actuary to tailor industry benchmarks to their portfolio [39] Question: What is the long-term target for the expense ratio? - Management aims to keep the expense ratio below 30%, leveraging technology initiatives to improve efficiencies [41] Question: Is there any sign that pricing environment in Excess Casualty is beginning to plateau? - Management noted a lumpy moderation in the market but believes that rate is exceeding loss trend overall [46] Question: Will technology allow for disintermediation of brokers? - Management does not foresee disintermediation happening soon, as the complexity of specialty insurance requires broker involvement [48] Question: How much did mix contribute to the actual loss ratio uptick in 2025? - Management indicated that they will review loss picks quarterly and adjust as necessary, but could not provide a precise number for next year [52] Question: How much of the lower expense ratio guide for 2026 is attributable to scale versus mix? - The improvement is attributed to technology initiatives across both digital and craft businesses [69]

Financial Data and Key Metrics Changes - Bowhead achieved disciplined premium growth of 24% for the year, surpassing the original expectation of 20% [6] - Adjusted net income grew over 30% for the year, with an adjusted return on equity of 13.6% and diluted adjusted earnings per share of $1.65 [6][21] - Gross written premiums (GWP) increased 21% in Q4 to $224 million, and 24% for the full year to approximately $863 million [6][21] Business Line Data and Key Metrics Changes - Casualty division drove GWP growth, increasing approximately 26% in Q4 to $133 million, and 28% for the full year to $551 million [7] - Professional liability GWP increased approximately 4% in Q4 to $48 million and 9% for the full year to $174 million, primarily driven by the cyber liability portfolio [8] - Healthcare liability GWP increased approximately 8% in Q4 to $34 million and 14% for the full year to $116 million, driven by healthcare management liability and senior care portfolios [9] Market Data and Key Metrics Changes - The current accident year loss ratio increased 1.8 points, partly due to higher expected loss ratios and trends after the annual reserve review [22] - The overall loss ratio for 2025 was 66.7%, an increase of 2.3 points compared to 64.4% in 2024 [22] - The investment portfolio's pre-tax net investment income increased approximately 36% to $16.6 million for Q4, and 44% for the year to $57.8 million [29] Company Strategy and Development Direction - Bowhead aims for sustainable and profitable growth across market cycles, utilizing two complementary underwriting models: craft underwriting and digital underwriting [10][11] - The company expects profitable premium growth of around 20% for 2026, primarily driven by the casualty division and digital capabilities [13][30] - Investments in technology and talent are expected to enhance the ability to capture more opportunities that fit the company's appetite [19] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the ability to grow profitably despite a competitive market, noting a healthy balance of rate and limit management [19] - The company anticipates a loss ratio in the mid to high 60s for 2026, with an expense ratio below 30% due to continued scaling and technology initiatives [31] - Management highlighted the importance of disciplined risk selection and the ability to walk away from unprofitable deals [19] Other Important Information - Total equity was $449 million, resulting in a diluted book value per share of $13.45, an increase of 22% from year-end 2024 [30] - The company issued $150 million of 7.75% senior unsecured notes scheduled to mature on December 1, 2030, to support regulatory capital requirements [32] Q&A Session Summary Question: Price adequacy for 2026 for professional and healthcare lines - Management believes pricing is above trend and adjustments are conservative, with no significant pricing impact expected [34] Question: Baleen's loss ratio characteristics - Management expects Baleen's loss ratio to be superior to the general large casualty business due to the restricted nature of coverage [36] Question: Industry data translation into loss ratio picks - The company uses proprietary information from third-party actuaries to tailor industry benchmarks to its portfolio [39] Question: Expense ratio target and future expectations - Management aims to reduce the expense ratio further, leveraging technology initiatives while facing headwinds from increased acquisition costs [41] Question: Pricing environment in Excess Casualty - Management noted a moderation in the market but believes that rates are still exceeding loss trends [44] Question: Disintermediation of brokers - Management does not foresee disintermediation of brokers due to the complexity of specialty insurance [48] Question: Growth of Baleen and investment portfolio risk profile - Management indicated that growth in Baleen is improving due to increased acceptance and infrastructure, while maintaining a conservative investment portfolio [62][64]

Financial Data and Key Metrics Changes - Bowhead achieved a disciplined premium growth of 24% for the year, surpassing the original expectation of 20% [6] - Adjusted net income increased by over 30% for the year, with an adjusted return on equity of 13.6% and diluted adjusted earnings per share of $1.65 [6][21] - Gross written premiums (GWP) rose 21% in Q4 to $224 million and 24% for the full year to approximately $863 million [6][21] Business Line Data and Key Metrics Changes - In the casualty division, GWP increased approximately 26% in Q4 to $133 million and 28% for the full year to $551 million, primarily driven by the excess casualty portfolio [7] - Professional liability GWP grew approximately 4% in Q4 to $48 million and 9% for the full year to $174 million, mainly due to the cyber liability portfolio [8] - Healthcare liability GWP increased approximately 8% in Q4 to $34 million and 14% for the full year to $116 million, driven by healthcare management liability and senior care portfolios [9] Market Data and Key Metrics Changes - The casualty market is experiencing a positive rate environment, with Bowhead benefiting from disciplined risk selection and limit management [19] - The company noted that submissions are growing faster than they can quote, indicating a strong demand in the market [20] Company Strategy and Development Direction - Bowhead aims for sustainable and profitable growth across market cycles through two complementary underwriting models: craft underwriting and digital underwriting [10] - The digital underwriting model, initiated with Baleen, focuses on small, harder-to-place risks and aims to improve efficiency through technology [11] - The company expects profitable premium growth of around 20% for 2026, primarily driven by the casualty division and digital capabilities [13][30] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the current market conditions, noting a healthy balance of rate and limit management [19] - The company anticipates a loss ratio in the mid to high 60s for 2026, with an expense ratio below 30% due to ongoing scaling and technology initiatives [31] Other Important Information - Bowhead's investment portfolio saw a pre-tax net investment income increase of approximately 36% in Q4 to $16.6 million and 44% for the year to $57.8 million [29] - Total equity reached $449 million, resulting in a diluted book value per share of $13.45, a 22% increase from year-end 2024 [30] Q&A Session Summary Question: What does the prior year reserve development imply for price adequacy for 2026? - Management believes they are priced well, with pricing coming in above trend, and adjustments were made conservatively without significant pricing impact [34] Question: How should we think about the loss ratio characteristics of Baleen as it matures? - Management expects Baleen's loss ratio to be superior to the general large casualty business due to the restricted nature of its coverage [36] Question: How does the company translate industry data into loss ratio picks? - The company utilizes third-party actuaries with proprietary information tailored to their portfolio, enhancing their reserving conservatism [39] Question: What is the long-term target for the expense ratio? - Management aims to keep the expense ratio below 30%, driven by technology initiatives and operational efficiencies [41] Question: Is there a sign that the pricing environment for excess casualty is beginning to plateau? - Management noted a moderation in the market but indicated that rates are still exceeding loss trends overall [44] Question: Will technology advancements lead to disintermediation of brokers? - Management does not foresee disintermediation, emphasizing the complexity of specialty insurance that requires broker expertise [48]

Company Overview - Bowhead is a growing and profitable E&S focused specialty P&C business led by industry veteran, Stephen Sills, with a strategic partnership with American Family Mutual Insurance Company, S.I[16] - The company has a strong underwriting culture and provides sustainable underwriting across market cycles[16] - Bowhead's leadership team has an average of over 30 years of experience[21] Financial Highlights - Bowhead's Last Twelve Months (LTM) Q3'25 Gross Written Premium (GWP) was $823 million[19] - The company's GWP Compound Annual Growth Rate (CAGR) from 2021 through LTM Q3'25 was 42%[19] - Bowhead's LTM September 2025 Combined Ratio was 95.6%, comprised of a 65.5% loss ratio and a 30.1% expense ratio[19,20] - The Year-To-Date (YTD) September 2025 Adjusted Return on Equity (ROE) was 13.3%[19] - Approximately 80% of the company's LTM Q3'25 GWP was written on an E&S basis[21] Market and Strategy - Bowhead focuses on profitable, growing lines in the attractive E&S market, which has been expanding with a '20-'24 DPW CAGR of 20%[11,27] - The company utilizes a fully-integrated and accountable value chain with in-house underwriting expertise[11,40] - Bowhead balances its "craft" underwriting strategy with "flow" business launched in 2024 to manage growth and profitability through underwriting cycles[57]

As filed with the Securities and Exchange Commission on October 21, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Bowhead Specialty Holdings Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 6331 87-1433334 (I.R.S. Employer Identification Number) 452 Fift ...