Investment Banking Summer Analyst Program

William Blair Summer Analyst Internship

Everything you need to know about the William Blair summer analyst program, including compensation, conversion rates, recruiting timeline, and application tips.

Last updated April 2026 · By the Superday AI editorial team

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Weekly Pay

$1,920/week

Duration

10 weeks

Conversion Rate

~72-82%

Overview

William Blair's 10-week Summer Analyst Program pays $1,920 per week plus a $5,000 housing stipend, with roughly 72-82% of interns converting to full-time offers.

Key facts

  • The Investment Banking Summer Analyst Program runs 10 weeks from June to August.
  • Interns are paid $1,920 per week, about $99,840 annualized, plus a $5,000 housing stipend.
  • Roughly 72-82% of interns convert to full-time offers, with return decisions delivered in the final week of the internship.
  • Domestic relocation assistance is available up to $1,200; housing itself is not provided.
  • Class sizes are intimate, typically ten to twenty interns.

Compensation

The Investment Banking Summer Analyst Program pays $1,920 per week, which annualizes to about $99,840. Interns also receive a $5,000 housing stipend, though housing is not provided directly. Domestic relocation assistance covers up to $1,200. Based in Chicago, interns get a lower cost of living than New York, so take-home pay stretches further.

Conversion & Return Offers

Roughly 72-82% of interns convert to full-time offers, and return decisions come in the final week of the internship. The firm assigns dedicated mentors and runs a strong feedback culture, with mid-program and end-of-program reviews that provide actionable development guidance. The conversion rate reflects William Blair's investment in selecting and developing interns who will become strong full-time analysts.

The Experience

Interns are placed into specific industry groups and start working on live transactions within the first few days, contributing to sell-side M&A mandates, pitch books, and financial analyses. Structured training covers financial modeling, valuation, and professional development, alongside regular social events and networking. Class sizes of ten to twenty create a collegial environment where every intern has meaningful interactions with senior bankers. The firm's focus on growth companies gives interns exposure to founder-led businesses rather than maintenance transactions.

Internship Compensation

Weekly Pay

$1,920

Annualized Salary

$99,840

Housing Stipend

$5,000

Relocation

Up to $1,200 for domestic relocation

Meals: Dinner stipend when working late

Transport: Car service for late nights in Chicago

Recruiting Timeline

1

Applications Open

March-June of sophomore year

2

HireVue Deadline

June-August of sophomore year

3

First Round Interviews

June-September of sophomore year

4

Superdays

August-November of sophomore year

5

Offers Extended

September-December of sophomore year

Application Tips

  • Research William Blair's partnership structure and long-term orientation
  • Demonstrate interest in the firm's sector focus (technology, healthcare, consumer)
  • Prepare for cultural fit questions about collaboration and long-term career goals
  • Highlight interest in growth equity and innovation-focused M&A

What to Expect

William Blair's summer program emphasizes long-term career development within a partnership culture focused on growth sectors. Interns work on middle market M&A and growth equity transactions across technology, healthcare, and consumer industries. The program provides exposure to Blair's unique combination of investment banking and investment management businesses. Class sizes are moderate (20-35 interns), with strong emphasis on mentorship and cultural fit. Blair's partnership structure means interns interact regularly with senior partners and gain perspective on long-term career paths. The culture values collaboration, intellectual curiosity, and sustainable work practices. Strong performers receive return offers with clear development paths toward eventual partnership consideration, a differentiator among middle market banks.

Intern Perks

  • Partnership culture exposure
  • Growth equity and M&A experience
  • Sector-focused training (tech, healthcare, consumer)
  • Mentorship from partners
  • Long-term career development focus

Frequently Asked Questions

How much do William Blair summer analysts make?

William Blair summer analysts earn $1,920 per week, which annualizes to approximately $99,840. The program typically runs for 10 weeks.

What is the William Blair intern conversion rate?

The conversion rate for William Blair summer analysts to full-time offers is approximately ~72-82%. Final week of internship.

When should I apply to William Blair?

Applications for the William Blair Investment Banking Summer Analyst Program typically open March-June of sophomore year. First round interviews are held June-September of sophomore year, with Superdays August-November of sophomore year.

Sources

  1. William Blair - Careers. William Blair (accessed 2026-05-14)
  2. Internship & Co-op Survey. National Association of Colleges and Employers (NACE) (accessed 2026-05-14)

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