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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$1,920/week
10 weeks
~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
Applications Open
March-June of sophomore year
HireVue Deadline
June-August of sophomore year
First Round Interviews
June-September of sophomore year
Superdays
August-November of sophomore year
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.
More William Blair Resources
Sources
- William Blair - Careers. William Blair (accessed 2026-05-14)
- Internship & Co-op Survey. National Association of Colleges and Employers (NACE) (accessed 2026-05-14)