Full List of Biotech Companies in Waltham, Massachusetts (2025)

AstraZeneca, Biocytogen, Thermo Fisher, Sanofi, CSL, Northway Biotech, Alkermes, and Viridian Therapeutics are some of the prominent biotech companies in Waltham, MA. Waltham is part of the larger Boston metropolitan area.

This metropolitan area, which also includes Cambridge, Boston, Worcester and Waltham, is the largest biotechnology clusters globally.

Waltham is the headquarters of the the global biotech and life science and clinical research company, Thermo Fisher.

Biotech Companies in Waltham, Massachusetts

Abcam Inc.

152 Grove Street
Waltham, MA 02453
USA

Email: us.orders@abcam.com
Tel: +1 (617) 225-2272
Fax: +1 (617) 577-4201
Freefax: (877) 774-8286
https://www.abcam.com

ABio-X Holdings, Inc

Waltham, Massachusetts, 02451,
United States

Tel: 781-790-5201
https://www.abio-x.com/

Aerovate Therapeutics, Inc.

930 Winter Street
Suite M-500
Waltham, MA 02451

Email: info@aerovatetx.com
Tel: 6174432400
https://www.aerovatetx.com/

Affinia Therapeutics

43 Foundry Ave, Suite 120
Waltham, MA 02453

Tel: (617) 430-7817
Email: info@affiniatx.com
https://www.affiniatx.com/

Alchemab Therapeutics

Boston Office
Alchemab Therapeutics
204 Second Ave
Waltham, MA 02451
USA

Email: info@alchemab.com
https://www.alchemab.com/

Alcresta Therapeutics, Inc.

130 Turner Street
Building 3, Suite 200
Waltham, MA 02453 USA

Email: info@alcresta.com
Phone: 617-431-3600
https://www.alcresta.com

Alkermes

900 Winter Street
Waltham, MA 02451

Tel: +1 781 609 6000
https://www.alkermes.com/

Alloy Therapeutics

275 2nd Ave STE 200,
Waltham, MA 02451, United States

Phone: +1 617-203-7111
https://alloytx.com

Amide Technologies

300 2nd Ave, Fl 1
Waltham, MA 02451

Web: https://www.amidetech.com

Apellis Pharmaceuticals

100 5th Avenue
Waltham, MA 02451, USA

Tel: (617) 977-5700
https://apellis.com

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Ardelyx

400 Fifth Avenue, Suite 210

Waltham, MA 02451
(Headquarters)

Phone: +1 617-675-2739
https://ardelyx.com/

Arrakis Therapeutics

828 Winter Street
Waltham, MA 02451

Email: info@arrakistx.com
Phone: 17816849777
https://arrakistx.com/

Arsenal Medical, Inc.

100 Beaver Street, Suite 302
Waltham, MA 02453

Tel: 781.755.8100
Email: hello@arsenalmedical.com
https://arsenalmedical.com

AstraZeneca Pharmaceuticals

266 2nd Ave #200,
Waltham, MA 02451, United States
Phone: +1 781-672-4277

35 Gatehouse Dr, Waltham,
MA 02451, United States
Phone: +1 781-839-4000
https://www.astrazeneca.com/

Avilar Therapeutics

400 Totten Pond Road, Suite 110
Waltham, MA 02451

Email: info@avilar-tx.com
Phone: 5084637759
https://avilar-tx.com/

Azenta Life Sciences

1432 Main Street, Suite #110
Waltham, MA 02451
USA

Web: https://www.azenta.com/

BeBetter Pharma Inc.

465 WAVERELY OAKS ROAD,
WALTHAM, MA, USA

Phone: 508-654-8105
Email: jqian@bebettermed.com
http://www.bebettermed.com

Biocytogen

6th floor, 300 Third Ave
Waltham, MA 02451, USA

Phone: 781-587-3558
Email: info@biocytogen.com
https://biocytogen.com/

BioLineRx

CityPoint
77 Fourth Avenue
Waltham, MA 02451, USA

Phone: +1-617-859-6409
https://biolinerx.com/

BioModels

360 2nd Ave, Waltham,
MA 02451, United States

Phone: +1 857-228-1100
http://www.biomodels.com/

BostonGene

Headquarters:
University Office Park III
95 Sawyer Road, Suite 500
Waltham, MA 02453
Tel: 617-658-4545

BostonGene Laboratory:
100 Beaver Street, Suite 203
Waltham, MA 02453
Tel: 781-552-3131
https://bostongene.com/

BrickBio, Inc.

600 Winter Street
Waltham, MA, 02451, USA

Web: https://www.brickbio.com/

Carbon Biosciences

880 Winter Street, Suite 2001
Waltham, MA 02451 USA

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Web: https://www.carbonbio.com/

Cogent Biosciences Inc.

275 Wyman Street, 3rd floor
Waltham, MA 02451

Phone: 617.945.5576
https://www.cogentbio.com/

CSL

225 Wyman St Waltham,
MA, 02451-1220 United States

Phone: 857-810-2000
https://www.csl.com/

CUGENE Inc.

130 Turner Street, Suite 702
Waltham, MA 02453

Phone: 7818935800
https://cugene.com/

Deciphera Pharmaceuticals, LLC

200 Smith Street
Waltham, MA 02451

Phone: 781.209.6400
Email: info@deciphera.com
https://www.deciphera.com/

Dianthus Therapeutics

203 Crescent St
Building 4, Suite 205
Waltham, Massachusetts 02453, US

Web: https://dianthustx.com

DRAGONFLY Therapeutics, Inc.

35 Gatehouse Drive
Waltham, MA 02451, United States

Phone: 1-617-588-0086
https://www.dragonflytx.com/

DynamiCure Biotechnology

930 Winter Street, Suite M250
Waltham, MA 02451

Email: contact@dynamicure.com
Phone: 781-393-9136
https://dynamicure.com/

Dyne Therapeutics

1560 Trapelo Rd, Waltham,
MA 02451, United States

Email: info@dyne-tx.com
Phone: 781-786-8230
https://www.dyne-tx.com/

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