The initial public offering market is expected to maintain its red hot momentum in the week ahead, with 12 companies set to raise more than $4.1 billion in their debuts.

In the largest deal of the week, Ryan Specialty Group Holdings, Inc. (RYAN  ) plans to raise more than $1.6 billion from about 57 million shares priced between $22 to $25 each. The specialty insurance brokerage assists in the placement of hard-to-place risks for retail insurance brokers, and the souring, onboarding, underwriting, and servicing of those hard-to-place risks for insurance carriers.

Paycor HCM, Inc. (PYCR  ) plans to raise more than $446 million from 18.5 million shares priced between $18 to $21 each. The company provides HR management software to small- and medium-sized businesses, aiding with the payroll process and key HR functionality.

VTEX (VTEX  ) plans to raise more than $371 million from 19 million shares priced in the range of $15 to $17 each. The Latin American e-commerce company operates a business-to-consumer platfrom to enterprise customers that combines commerce, order management, and marketplace functionality.

Instructure Holdings, Inc. (INST  ) plans to raise more than $301 million from 12.5 million shares priced between $19 to $21 each. The company provides a next-generation Learning Management System, which includes assessments, actionable analytics, and dynamic content. The company boasts over 6,000 global customers across 90 countries.

Zevia, PBC (ZVIA  ) plans to raise more than $246 million from about 14.3 million shares priced in the range of $13 to $15 each. The organic beverage brand offers six product lines of zero calorie, zero sugar, naturally sweetened beverages in the United States and Canada.

Outbrain, Inc. (OB  ) plans to raise more than $239 million from 8 million shares priced between $24 to $26 each. The company's content marketing platform enables over 7,000 online properties, aiding in user engagement and monetizing their visits by gathering over 1 billion data events each minute.

CS Disco, Inc. (LAW  ) plans to raise over $223 million from 7 million shares priced between $26 to $29 each. The company provides a cloud-native, AI-powered legal solution that simplifies ediscovery, legal document review, and case management for enterprises, law firms, legal services providers, and governments.

Zenvia, Inc. (ZENV  ) plans to raise more than $199 million shares from over 11.5 million shares priced between $13 to $15 each. The Brazilian company's software platfrom facilitated communication flows for over 10,000 Latin American customers as of March 31, 2021.

Kaltura, Inc. (KLTR  ) plans to raise over $189 million from 15 million shares priced between $9 to $11 each. The company provides live, real-time, and on-demand video products to a range of businesses includes educational institutions, media, and telecom companies.

Couchbase, Inc. (BASE  ) plans to raise more than $185 million from 7 million shares priced in the range of $20 to $23 each. The company provides a NoSQL database that enables enterprise and developers to build and run applications across the cloud, on-premise, hybrid, or mobile and edge environments.

HCW Biologics, Inc. (HCWB  ) plans to raise $64.4 million from 5.6 million shares priced between $8 to $10 each. The preclinical biopharmaceutical company is focused on discovering and developing novel immunotherapies to lengthen health spans by disrupting the link between chronic, low-grade inflammation and age-related diseases. The company plans to initiate a clinical trial of its lead candidate by the end of the year.

Ocean Biomedical, Inc. (OCEA  ) plans to raise more than $63 million from over 3.22 million shares priced between $14 to $17 each. The biopharmaceutical company seeks to bridge the gap between medical research discoveries and patient solutions by licencing inventions and technologies with the goal of developing products that address diseases with unmet needs.