Company lists · Data verified August 2026

Top 25 Algorithm trading platforms based in the United States

Name: Algorithm trading platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 533 companies tracked

There are 533 algorithm trading platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 27,075 professional contacts across them, including 11,782 with verified work emails and 7,485 with mobile numbers. New York is the largest hub.

This list covers algorithm trading platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

533Companies

27,075Contacts tracked

11,782Verified emails

7,485Mobile numbers

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The 25 largest algorithm trading platforms based in the United States

Ranked by team size

Top 25 of 533 algorithm trading platforms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Interactive Brokers	Chicago, IL	1,001-5,000	3,121	1,548
2	Topstep	Chicago, IL	n/a	2,934	138
3	Citadel Securities	New York, NY	1,001-5,000	2,168	1,139
4	Cboe Global Markets	New York, NY	1,001-5,000	1,582	1,022
5	Tradeweb	Miami, FL	1,001-5,000	1,484	1,077
6	Tower Research Capital	New York, NY	1,001-5,000	1,307	950
7	TMX Group	New York	1,001-5,000	1,179	767
8	ITG	Boston, MA	501-1,000	1,104	60
9	Virtu Financial	New York, NY	501-1,000	935	597
10	Marketaxess	New York, NY	501-1,000	873	571
11	Ninjatrader	Chicago, IL	201-500	432	217
12	Equilend	Berkeley Heights, NJ	201-500	407	287
13	GTS	New York, NY	201-500	352	104
14	Cqg, INC	Denver, CO	201-500	318	146
15	TS Imagine	New York, NY	201-500	292	207
16	Wolverine Trading	Chicago, IL	201-500	278	238
17	EXEGY	St. Louis, MO	201-500	219	173
18	Capitolis	New York, NY	51-200	209	167
19	MIAX	Princeton, NJ	51-200	193	1
20	Quod Financial	New York	51-200	191	87
21	Trafix LLC	New York, NY	51-200	180	114
22	Dash Financial Technologies	York	51-200	143	59
23	Kershner Trading Group	Austin, TX	51-200	128	47
24	Simplex Trading LLC	Chicago, IL	51-200	111	94
25	CMG Capital Markets Gateway	New York, NY	51-200	102	56

Showing 25 of 533 algorithm trading platforms based in the United States

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Algorithm trading platforms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 119 HQs

7,485Contacts with mobile numbers

54Emails re-verified in last 30 days

Companies by employee count

1-10

263

11-50

162

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Algorithm trading platforms by metro

Metro	Companies
Algorithm trading platforms in New York	119
Algorithm trading platforms in Chicago	66
Algorithm trading platforms in San Francisco	18
Algorithm trading platforms in Miami	12
Algorithm trading platforms in Austin	11
Algorithm trading platforms in Orlando	11
Algorithm trading platforms in Los Angeles	10

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “algorithm trading platforms”, with match quality audited by blind human judging, and headquartered in the United States.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 54 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many algorithm trading platforms are there based in the United States?

There are 533 algorithm trading platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Interactive Brokers, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most algorithm trading platforms?

New York leads with 119 headquartered companies, followed by Chicago (66) and San Francisco (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 11,782 verified decision-maker contacts tracked across these 533 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.