Summer 2026

Portfolio Management Intern

Posted on 2/21/2026

Arrowstreet Capital

Arrowstreet Capital

201-500 employees

Global equity investment manager for institutions

Compensation Overview

$87.50 - $125/hr

Boston, MA, USA

In Person

Category
Finance & Banking (1)
Required Skills
Python
R
SQL
MATLAB
C#
Stata
Excel/Numbers/Sheets
Requirements
  • Strong interest in portfolio theory, market microstructure, trading and asset management
  • Working towards an undergraduate degree with an analytical focus
  • Completion of at least one prior professional experience either through a co-op program or internship
  • Completion of entry level investment-related courses that would provide a baseline knowledge of financial markets and equity-related instruments
  • Detail-oriented with excellent organizational, analytical and problem-solving skills, as well as the ability to work under pressure while meeting tight deadlines
  • Fluency with running database queries and dealing with large datasets
  • Proficiency and experience with Microsoft Office suite including Excel and Outlook required
  • Proficiency and experience with any of several technical and/or programming languages, including: Python (preferred), STATA, R, MATLAB, SQL, C#
  • Experience using Bloomberg Terminal is a plus
  • Strong written and verbal communication skills
Responsibilities
  • Market and Execution Monitoring: The portfolio management team monitors global markets in real time to track macroeconomic and company-level developments. These developments take place constantly as the world evolves. Interns will contribute to this monitoring by tracking specific regional developments and their impact on execution progress alongside our portfolio managers and reporting on these events in our daily morning meeting.
  • Portfolio Analytics: Arrowstreet manages portfolios in a dynamic way by applying a rigorous quantitatively driven investment process. Those in the intern program will work with portfolio managers to evaluate time series trends in the exposures and attributes of the firm wide set of portfolios, looking to understand the economic motivations for that evolution over time.
  • Portfolio Construction: Building portfolios in a quantitative way involves a complex implementation of portfolio construction utilizing a large set of parameters. Interns will interact with members of the portfolio construction team within portfolio management to learn about portfolio design and evaluate such parameters to calibrate the settings’ values.
  • Execution Analytics: Our trading programs are executed through complex algorithms that access myriad execution venues across the globe. Those in the intern program will work to evaluate time series trends and patterns in our execution strategies across executing brokers and across markets to relate these patterns ultimately to broker performance and implementation shortfall.
  • Trading Diagnostics: Our trading team works to manage thousands of orders per day across global markets. These processes require heavy automation of trading strategy and tactics used to minimize the costs associated with building our target portfolios. Interns will work with members of the portfolio management team to take a data-driven approach in assisting traders in scheduling the most customized order executions, as well as to evaluate those trading tactics historically to help dictate modifications that might minimize portfolio slippage.
  • Portfolio Finance: Arrowstreet manages a large set of portfolios that utilize leverage to achieve elevated return and risk characteristics. Participants in the intern program will learn about these products and the ways in which they utilize financing relationships to achieve the desired investment attributes. Interns will have the opportunity to contribute meaningfully to efforts intended to build our capabilities related to these products.

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.

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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.

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