Summer 2026

Investment Processes Intern

Multiple Teams

Posted on 9/5/2025

Arrowstreet Capital

Arrowstreet Capital

201-500 employees

Global equity investment manager for institutions

No salary listed

Boston, MA, USA

In Person

Category
Finance & Banking (2)
,
Required Skills
Python
R
C#
Requirements
  • Completed an undergraduate degree from an educational institution in a field that requires problem solving skills, such as applied mathematics, economics, engineering, mathematical finance, operation research, or computer science
  • Expected master's degree completion within a year of the internship
  • Knowledge of financial markets and asset pricing, gained through industry experience or academic study
  • Interest in numerical optimization algorithms, especially convex programming
  • Great communication skills, and an eagerness to talk to investment professionals with varying degrees of quantitative expertise
  • Experience with various programming languages, including C# or other object-oriented language, Python or other scripting language, and R or other statistics-based language
  • Understanding of probability, statistics and linear regression
Responsibilities
  • Translating investment goals into mathematical problems that can be fed into a computer
  • Writing and maintaining code to solve portfolio construction, portfolio finance and trade execution problems
  • Understanding and improving the workflow of security borrowing and collateral management
  • Designing and implementing algorithms to minimize transaction costs
  • Researching optimization methods used in finance and in other fields
  • Designing diagnostic tools to help users understand how our investment ideas are expressed in our computer-driven trading program
  • Working with software developers to translate our business knowledge and mathematical skills into production-quality code
Desired Qualifications
  • Knowledge of financial markets and asset pricing, gained through industry experience or academic study
  • Interest in numerical optimization algorithms, especially convex programming
  • Great communication skills, and an eagerness to talk to investment professionals with varying degrees of quantitative expertise
  • Experience with various programming languages, including C# or other object-oriented language, Python or other scripting language, and R or other statistics-based language
  • Understanding of probability, statistics and linear regression

Arrowstreet Capital is a Boston-based investment manager that serves institutional investors by offering global equity investment strategies and fund products. The firm runs long-only, alpha extension, and long/short approaches and uses a wide set of instruments, including swaps and futures. Its investment process relies on quantitative methods to build diversified equity portfolios and to estimate expected return and risk, as well as the costs of trading. Portfolios are created with a mean-variance optimizer and proprietary risk and transaction cost models, with the aim of delivering value relative to each client’s benchmark. Arrowstreet manages about $100 billion for more than 200 client relationships across North America, Europe, and Asia-Pacific.

Company Size

201-500

Company Stage

Private

Total Funding

N/A

Headquarters

Boston, Massachusetts

Founded

1999

Simplify Jobs

Simplify's Take

What believers are saying

  • Expansion into long/short strategies meets institutional demand for alternative returns.
  • $961M Canadian Natural Resources stake signals energy sector rotation conviction.
  • CalPERS and Oregon pension clients provide stable long-term capital flows.

What critics are saying

  • AI competitors like Two Sigma erode edge via faster signal discovery in 6-12 months.
  • Key personnel defection to D.E. Shaw replicates models in 6-12 months.
  • EU SFDR and SEC rules force derivatives disclosures harming returns in 12-18 months.

What makes Arrowstreet Capital unique

  • Non-linear modeling outperforms peers by avoiding systematic biases in stock selection.
  • Computer-driven system ranks thousands of stocks to 150-200 core holdings.
  • Quantitative process uses proprietary return, risk, and transaction cost models.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Hybrid Work Options

Company News

NewsBreak
Nov 4th, 2024
US Charges Chinese Hedge Fund Executive With Trade Secrets Theft

A top executive at a China-based hedge fund has been indicted in the United States and charged with stealing trade secrets from his former Boston-based employer, quantitative investment firm Arrowstreet Capital.

Defense World
Apr 15th, 2024
Bleakley Financial Group LLC Reduces Stake in Alkermes plc (NASDAQ:ALKS)

Arrowstreet Capital Limited Partnership purchased a new stake in Alkermes in the 1st quarter worth approximately $56,494,000.

MarketBeat
Jan 29th, 2024
Landsea Homes Co. (NASDAQ:LSEA) Short Interest Update

Lazard Asset Management LLC purchased a new stake in Landsea Homes in the first quarter valued at approximately $89,000.

Defense World
Nov 30th, 2023
Consumer Portfolio Services, Inc. (NASDAQ:CPSS) Shares Sold by Bank of New York Mellon Corp

Arrowstreet Capital Limited Partnership acquired a new stake in Consumer Portfolio Services during the first quarter valued at approximately $115,000.

MarketBeat
Oct 5th, 2023
Allspring Global Investments Holdings LLC Reduces Stock Position in Crocs, Inc. (NASDAQ:CROX)

Finally, Fullerton Fund Management Co Ltd. purchased a new stake in Crocs in the fourth quarter worth about $46,029,000.

INACTIVE