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# Biotechnology Companies in Boston, MA

The bigger biotechnology companies headquartered in Boston, MA, with what they do, their sizes and how to reach their people.

By Enrich.chat Editorial. Updated October 22, 2026.

**Short answer:** Among the biotechnology companies counted in Boston, MA, the biggest by headcount range include Alexion Pharmaceuticals, Argenx and Foundation Medicine. They are mostly very small: 62% have 50 or fewer employees.

## Which biotechnology companies are in Boston?

Among the companies whose public profile lists Biotechnology Research as their industry and Boston, MA as their headquarters, the biggest by headcount range include Alexion Pharmaceuticals, Argenx, Foundation Medicine, Crispr Therapeutics and Insilico Medicine. Names link to a company profile where we have one.

| Company | Employees |
| --- | --- |
| Alexion Pharmaceuticals | 1,001 to 5,000 |
| Argenx | 1,001 to 5,000 |
| Foundation Medicine | 1,001 to 5,000 |
| Crispr Therapeutics | 201 to 500 |
| Insilico Medicine | 201 to 500 |
| Rhythm Pharmaceuticals | 201 to 500 |
| Verve Therapeutics | 201 to 500 |
| Karuna Therapeutics | 201 to 500 |
| Fortis Life Sciences | 201 to 500 |
| Seven Bridges | 201 to 500 |
| Intarcia Therapeutics | 201 to 500 |
| Harvard Griffin Gsas Biotech Club | 201 to 500 |
| Roivant Discovery | 201 to 500 |
| Powering Precision Health | 201 to 500 |
| Empatica | 51 to 200 |
| Entrada Therapeutics | 51 to 200 |
| Monte Rosa Therapeutics | 51 to 200 |
| Emulate | 51 to 200 |
| Om1 | 51 to 200 |
| Strand Therapeutics | 51 to 200 |
| Aveo Oncology | 51 to 200 |
| Alloy Therapeutics | 51 to 200 |
| Embark Veterinary | 51 to 200 |
| Tango Therapeutics | 51 to 200 |
| Praxis Precision Medicines | 51 to 200 |

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.

## What do biotechnology companies in Boston do?

Biotechnology Research is a broad label. The most common NAICS codes among them are 541714 (32%), 325412 (21%) and 541715 (9%).

**Figure: What biotechnology companies in Boston do.** Bars for the share of counted biotechnology companies with each code: 541714 32%, 325412 21%, 541715 9%, 325414 4%, 541511 4%, 541720 4%, 621511 4%.

*Share of counted biotechnology companies in Boston by their NAICS code.*

[NAICS 541714](https://enrich.chat/naics/541714/)[NAICS 325412](https://enrich.chat/naics/325412/)[NAICS 325414](https://enrich.chat/naics/325414/)[NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 621511](https://enrich.chat/naics/621511/)

## How big are they?

62% of the biotechnology companies counted in Boston 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 biotechnology companies in Boston.** Seven columns for the share of counted biotechnology companies in Boston in each employee range: 11 to 50 62%, 51 to 200 30%, 201 to 500 6%, 501 to 1,000 0%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%.

*Share of counted biotechnology companies in Boston in each employee range.*

## How old are they?

Most were founded in the 2010s (55%), then the 2020s (29%).

**Figure: When biotechnology companies in Boston were founded.** Eight columns for the share of counted biotechnology companies in Boston founded in each era: Before 1960 0%, 1960s 0%, 1970s 0%, 1980s 0%, 1990s 4%, 2000s 12%, 2010s 55%, 2020s 29%.

*Share of counted biotechnology companies in Boston by the era they were founded in, for the ones that list a founding year.*

## How biotechnology companies compare

- 62% of biotechnology companies in Boston have 50 or fewer employees, against 71% across other cities on this site.
- 84% were founded in 2010 or later, against 54% across other cities on this site.

## How do you reach the people at biotechnology companies in Boston?

The people to talk to are usually research operations, finance and procurement leaders. Build the list 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 biotechnology companies in Boston, MA
```

### 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 research operations, finance and procurement leaders at biotechnology companies in Boston, MA, 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

Other industries in Boston:

[Software Companies](https://enrich.chat/companies-in/boston-ma/software-development/)[Real Estate Companies](https://enrich.chat/companies-in/boston-ma/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/boston-ma/it-services-and-it-consulting/)[Financial Services Companies](https://enrich.chat/companies-in/boston-ma/financial-services/)[Technology and Internet Companies](https://enrich.chat/companies-in/boston-ma/technology-information-and-internet/)[Consulting Firms](https://enrich.chat/companies-in/boston-ma/business-consulting-and-services/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/boston-ma/hospitals-and-health-care/)[Advertising Agencies](https://enrich.chat/companies-in/boston-ma/advertising-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/boston-ma/non-profit-organizations/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/boston-ma/staffing-and-recruiting/)[Construction Companies](https://enrich.chat/companies-in/boston-ma/construction/)[Law Firms](https://enrich.chat/companies-in/boston-ma/law-practice/)[Investment Management Firms](https://enrich.chat/companies-in/boston-ma/investment-management/)[Architecture Firms](https://enrich.chat/companies-in/boston-ma/architecture-and-planning/)[Venture Capital and Private Equity Firms](https://enrich.chat/companies-in/boston-ma/venture-capital-and-private-equity-principals/)[Colleges and Universities](https://enrich.chat/companies-in/boston-ma/higher-education/)[Insurance Companies](https://enrich.chat/companies-in/boston-ma/insurance/)[Research Services Firms](https://enrich.chat/companies-in/boston-ma/research-services/)[Legal Services Firms](https://enrich.chat/companies-in/boston-ma/legal-services/)[All of Boston](https://enrich.chat/companies-in/boston-ma/)

Biotechnology Companies in other cities:

[San Diego, CA](https://enrich.chat/companies-in/san-diego-ca/biotechnology-research/)[Cambridge, MA](https://enrich.chat/companies-in/cambridge-ma/biotechnology-research/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/biotechnology-research/)[Durham, NC](https://enrich.chat/companies-in/durham-nc/biotechnology-research/)

## Frequently asked questions

### Which are the biggest biotechnology companies in Boston?

Among those counted, they include Alexion Pharmaceuticals, Argenx, Foundation Medicine, Crispr Therapeutics and Insilico Medicine, ranked by headcount range.

### How big are biotechnology companies in Boston?

62% of those counted 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.

### Which companies count as biotechnology research?

Companies whose public profile lists Biotechnology Research as their industry and whose headquarters are in Boston, MA.

## Try this prompt

Find the people at biotechnology companies in Boston

```text
Use www.enrich.chat to find the research operations, finance and procurement leaders at biotechnology companies in Boston, MA, with titles and verified work emails
```

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