> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/naics/525910/ # NAICS code 525910: Open-End Investment Funds The companies classified under NAICS 525910, where they are based, how big they are and how the code maps to SIC. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** NAICS 525910 is the code for Open-End Investment Funds, in sector 52: Finance and Insurance. The companies counted under it are mostly very small: 55% have 50 or fewer employees, and 71% are headquartered in the United States. ## What is NAICS 525910? NAICS 525910 is the code for Open-End Investment Funds. It belongs to sector 52: Finance and Insurance. NAICS, the North American Industry Classification System, is the standard U.S. government agencies use to sort businesses by what they mainly do, and each digit narrows the category. Most of the companies counted also carry SIC 6722, Open-end management investment, in the older SIC system (93%). NAICS is a North American system, so companies outside the US, Canada and Mexico are placed in it by classification. - 55% of the companies counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. - The largest group is headquartered in the United States (71%). Within the US, New York is the biggest state (30%). - Most were founded in the 2000s (37%), then the 1990s (23%). **Figure: How NAICS 525910 is built.** The code 525910 split into its parts: sector 52, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 525910. Each digit narrows the category.* ## Which companies are classified under NAICS 525910? The biggest by headcount range include Absa Group, T. Rowe Price, Igm Financial, Pimco and Ares Management. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Absa Group](https://enrich.chat/company/absa-group/) | Johannesburg, South Africa | 10,001+ | | T. Rowe Price | Baltimore, MD | 5,001 to 10,000 | | Igm Financial | Winnipeg, Canada | 5,001 to 10,000 | | Pimco | Newport Beach, CA | 1,001 to 5,000 | | Ares Management | Los Angeles, CA | 1,001 to 5,000 | | Oaktree Capital Management | Los Angeles, CA | 1,001 to 5,000 | | Mfs Investment Management | Boston, MA | 1,001 to 5,000 | | Mackenzie Investments | Toronto, Canada | 1,001 to 5,000 | | Dimensional Fund Advisors | Austin, TX | 1,001 to 5,000 | | Lulu Financial Holdings | Abu Dhabi, United Arab Emirates | 1,001 to 5,000 | | Peg Companies | Provo, UT | 1,001 to 5,000 | | Linfox Armaguard | Essendon Fields, Australia | 1,001 to 5,000 | | Fiera Capital | Montreal, Canada | 501 to 1,000 | | Eaton Vance | Boston, MA | 501 to 1,000 | | The Bainbridge Companies | Wellington, FL | 501 to 1,000 | | Arrowstreet Capital, Limited Partnership | Boston, MA | 501 to 1,000 | | Farallon Capital Management | San Francisco, CA | 201 to 500 | | Mawer Investment Management | Calgary, Canada | 201 to 500 | | Hudson Bay Capital Management | Stamford, CT | 201 to 500 | | Payden & Rygel | Los Angeles, CA | 201 to 500 | | Ppm America | Chicago, IL | 201 to 500 | | Thornburg Investment Management | Santa Fe, NM | 201 to 500 | | Performance Trust Capital Partners | Chicago, IL | 201 to 500 | | Hyprop Investments | Johannesburg, South Africa | 201 to 500 | | Dweck Properties | Washington, DC | 201 to 500 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## Where are NAICS 525910 companies based? The largest groups are headquartered in the United States (71%), Canada (9%) and the United Kingdom (4%). **Figure: Where companies in NAICS 525910 are based.** Bars for the share of counted companies in NAICS 525910 headquartered in each country: United States 71%, Canada 9%, United Kingdom 4%, South Africa 3%, Australia 2%, India 2%, France 2%, Hong Kong 2%. *Share of counted companies in NAICS 525910 by headquarters country.* Within the United States, New York (30%), California (17%) and Connecticut (8%) lead. **Figure: US headquarters of companies in NAICS 525910, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 525910 headquartered in each state. The largest are New York 30%, California 17%, Connecticut 8%. *Share of counted US companies in NAICS 525910 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 525910? 55% of them have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in NAICS 525910.** Seven columns for the share of counted companies in NAICS 525910 in each employee range: 11 to 50 55%, 51 to 200 26%, 201 to 500 8%, 501 to 1,000 4%, 1,001 to 5,000 6%, 5,001 to 10,000 1%, 10,001+ 1%. *Share of counted companies in NAICS 525910 in each employee range.* ## How old are NAICS 525910 companies? Most were founded in the 2000s (37%), then the 1990s (23%). **Figure: When companies in NAICS 525910 were founded.** Eight columns for the share of counted companies in NAICS 525910 founded in each era: Before 1960 5%, 1960s 0%, 1970s 3%, 1980s 12%, 1990s 23%, 2000s 37%, 2010s 18%, 2020s 2%. *Share of counted companies in NAICS 525910 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 525910 compares - 20% were founded in 2010 or later, against 30% across all NAICS codes on this site. - Connecticut holds 8% of the US companies here, against 1% across all NAICS codes on this site. ## How do NAICS 525910 companies describe themselves? A code is assigned by classification, and a company does not choose its own, so the label a company uses for itself can differ. The most common labels here are Investment Management (45%), Financial Services (41%) and Real Estate (6%). **Figure: How companies in NAICS 525910 describe themselves.** Bars for the share of counted companies in NAICS 525910 that give each industry on their public profile: Investment Management 45%, Financial Services 41%, Real Estate 6%, Venture Capital and Private Equity Principals 5%. *Share of counted companies in NAICS 525910 by the industry they list on their public profile.* ## NAICS 525910 and the SIC system NAICS replaced SIC in 1997, but the two do not line up one to one: companies filed under one NAICS code can carry several SIC codes. These are the ones seen most. | Code | Title | Share of counted | | --- | --- | --- | | SIC 6722 | Open-end management investment | 93% | ## Where NAICS codes come from NAICS is maintained by the U.S. Census Bureau with Canada and Mexico and revised every five years; the current edition is NAICS 2022. To check exactly what a code includes, search the [official NAICS index](https://www.census.gov/naics/) or read the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html). Pick a code by what a company mostly does, not by who it sells to. ## How do you reach the people at NAICS 525910 companies? The people to talk to are usually finance, operations and technology leaders. You can build the list from this code in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with NAICS code 525910 (Open-End Investment Funds) ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the finance, operations and technology leaders at companies with NAICS code 525910, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Others in sector 52: [NAICS 524210: Insurance Agencies and Brokerages](https://enrich.chat/naics/524210/)[NAICS 523940: Portfolio Management and Investment Advice](https://enrich.chat/naics/523940/)[NAICS 522130: Credit Unions](https://enrich.chat/naics/522130/)[NAICS 523910: Miscellaneous Intermediation](https://enrich.chat/naics/523910/)[NAICS 522292: Real Estate Credit](https://enrich.chat/naics/522292/)[NAICS 522320: Financial Transactions Processing, Reserve](https://enrich.chat/naics/522320/)[NAICS 523150: Investment Banking and Securities](https://enrich.chat/naics/523150/)[NAICS 522310: Mortgage and Nonmortgage Loan Brokers](https://enrich.chat/naics/522310/) ## Frequently asked questions ### What is NAICS code 525910? NAICS 525910 is the code for Open-End Investment Funds, in sector 52: Finance and Insurance. ### What is the SIC code for NAICS 525910 (Open-End Investment Funds)? 93% of the companies counted carry SIC 6722 (Open-end management investment), but the two systems do not map one to one. ### Which companies are classified under NAICS 525910? The biggest by headcount range include Absa Group, T. Rowe Price, Igm Financial, Pimco and Ares Management. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 525910 companies based? The largest groups are headquartered in the United States (71%), Canada (9%) and the United Kingdom (4%). ### How big are the companies in NAICS 525910? 55% have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### How do I find a company's NAICS code? Search the official NAICS index at the U.S. Census Bureau for the code that matches what the company mostly does. Public companies in the US also list a SIC code in their SEC EDGAR profile. ## Try this prompt Find the people at NAICS 525910 companies ```text Use www.enrich.chat to find the finance, operations and technology leaders at companies with NAICS code 525910, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)