Ampersand
Private equityBoston · Growth · 36 people tracked
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Investment thesis
Ampersand focuses on minority and majority equity investments in growth-oriented life sciences and healthcare companies, targeting sub-segments where the firm holds deep industry experience. It partners closely with founders and management teams to drive both organic and inorganic growth, adding value through board-level engagement while management retains day-to-day control. Capital is used for business expansion and growth equity, recapitalizations and shareholder liquidity, management buyouts, and corporate divestitures. Founded in 1988, the firm has a portfolio of more than 80 companies and roughly $3 billion in assets under management, and is currently investing out of its eleventh fund.
Source: firm website, verified Sep 29, 2026.
Team · 36 people
from the firm's website & curatedWhat they invest in
from 49 of 71 portfolio companiesHealthtech ×37Biotech ×35Medical Devices ×30Advanced Manufacturing ×19Deep Tech ×17Digital Health ×11Enterprise Software ×9New Materials ×6
HQs:United States×29United Kingdom×3Belgium×2Netherlands×2Germany×1Ireland×1
Who they back
founder profiles across 11 portfolio companiesFounding team size:solo founder×82 founders×3
Investments · 71 tracked
founders shown can be your intro pathBy year:2025 · 12023 · 12022 · 22021 · 26 dated
ANI Pharmaceuticals is a generic and specialty pharmaceutical company that develops, manufactures, and distributes prescription drugs across multiple therapeutic areas including generics, rare diseases, and established branded products.
BiotechHealthtechMedical Devices
Nikhil Lalwani(President and Chief Executive Officer)inMuthusamy Shanmugam(Head of R&D and Chief Operating Officer of NJ Operations)
Co-investorsThe Argentum Group
Interpace Biosciences provides molecular diagnostic tests for the early diagnosis and treatment of cancer, with a focus on risk-stratifying indeterminate thyroid nodules through genetic and mutational analysis.
BiotechDigital HealthHealthtechMedical DevicesPittsburgh, US
Christopher McCarthy(Chief Financial Officer)inThomas W. Burnell(Executive Officer, Director)James Early(CFO)Jack E Stover(President and CEO)
BoardStephen J. Sullivan(Director)Vijay Aggarwal(Director)
Co-investors1315 Capital
PerkinElmer is a scientific instrument and technology company that provides analytical tools and services for research, diagnostics, and life sciences applications.
BiotechDeep TechEnterprise SoftwareHealthtechMedical DevicesWaltham, US
Richard Scott PerkinJames M. Mock(Executive Officer)Andrew Okun(Executive Officer)inJoel S. Goldberg(Executive Officer)Prahlad Singh(Executive Officer, Director)inTajinder Vohra(Executive Officer)in
Co-investorsARCH Venture PartnersPartners for GrowthPartners for Growth (PFG)
IQVIA Laboratories provides central laboratory and specialty biomarker services for drug discovery and development, serving pharmaceutical sponsors and clinical trial sites.
BiotechHealthtechMedical DevicesIndianapolis, US
Ronald E. Shoup(Executive Officer, Director)Michael Evans(Executive Officer, Director)Teresa A. Pascarelli(Executive Officer, Director)Terry J. Spartz(Executive Officer, Director)
BoardR. J. McConnell(Director)John H. Barnard(Director)
Co-investorsElevate Ventures
AnaBios generates predictive human data for pharmaceutical drug development, using authentic human cells and tissues from healthy and diseased donors to assess drug efficacy and toxicity before clinical trials.
BiotechDeep TechHealthtechSan Diego, US
Andre Ghetti(Chief Executive Officer)inRichard F. Erdman(Director)Paul Miller(Executive Officer)Jack Reynolds(Executive Officer, Director)Peter Crowley(Director)George Goldsmith(Director)
Co-investorsKeiretsu ForumTech Coast Angels
Avid Bio provides development and manufacturing services for biologics programs, offering integrated support from early-stage development through commercialization.
Advanced ManufacturingBiotechDeep TechEnterprise SoftwareHealthtechTustin, US
Co-investorsGHO Capital Partners
Beacon provides a comprehensive drug development database for the life sciences industry, offering detailed intelligence on molecules, therapeutic targets, and companies across various disease areas and modalities.
BiotechData & InfrastructureEnterprise SoftwareHealthtech
Rob(Leader, Beacon and Intelligence business)
Bioventus develops and markets medical devices for active healing, including pain management, restorative therapies, and surgical solutions that aim to enhance the body's natural healing processes and reduce the need for invasive procedures.
BiotechDeep TechHealthtechMedical DevicesDurham, US
Robert Claypoole(Chief Executive Officer)
Co-investorsAlta PartnersEssex Woodlands Healthcare Partners
Cambrex provides pharmaceutical supply chain management and manufacturing services focused on supply chain resilience through dual sourcing and contingency planning to ensure reliable product delivery during disruptions.
Advanced ManufacturingBiotechEnterprise SoftwareHealthtechEast Rutherford, US
Canopy Biosciences (Bruker Spatial Biology) develops spatial biology instruments and assays for analyzing gene expression, RNA, and proteins in tissue samples.
BiotechHealthtechMedical DevicesSaint Louis, US
EDWARD WEINSTEIN(President, Chief Executive Officer and Manager)inCRYSTAL WINKELER(Chief Operating Officer)CHARLES BOLTEN(Director)DAVID KINGSLEY(Director)
BoardDAVID SMOLLER(Director)in
Co-investorsBioGenerator Ventures
Confluent Medical Technologies is a contract manufacturer of medical devices that supports companies in designing and producing healthcare products.
Advanced ManufacturingEnterprise SoftwareMedical DevicesNew Materials
Dean SchauerinDoug HutchisonMatt Eckl(Chief Financial Officer)inTom TestainBrian AdcockinRichard Brown
Curia provides R&D and manufacturing services to help clients address complex scientific and production challenges.
Advanced ManufacturingBiotechDeep TechEnterprise SoftwareHealthtechAlbany, US
Thomas E. D'Ambra, Ph.D.(Co-founder)
DYNEX Technologies develops and manufactures automated ELISA and chemiluminescence microplate instruments for clinical and diagnostic laboratories.
HealthtechMedical Devices
Co-investorsTelegraph Hill Partners
Eurofins Viracor is a clinical laboratory that develops and delivers diagnostic tests for infectious diseases, cellular function disorders, oncology, and transplant rejection monitoring.
BiotechDigital HealthHealthtechMedical Devices
Michelle Altrich(President)in
Flagship Biosciences is a CLIA-certified, CAP-accredited spatial biology and biomarker services company that combines AI-powered tissue analysis with scientific consultation.
AI & Machine LearningBiotechDigital HealthHealthtechWestminster, US
Dean Northey(Executive Officer)G. David Young(Executive Officer, Director, Promoter)Trevor Johnson(Executive Officer, Director, Promoter)Nancy A. Gillett(Director)Gary M. Clark(Director)Gregory K. Tucker(Director)
Freudenberg Medical is a contract medical device manufacturing partner offering vertically integrated capabilities including minimally invasive solutions, precision molding, extrusions, and specialized coatings for medical device and pharmaceutical companies.
Advanced ManufacturingHealthtechMedical DevicesKaiserslautern, DE
Gannet BioChem operates FDA-inspected cGMP manufacturing facilities in Alabama for polymer reagents, activated PEG compounds, and bulk pharmaceutical chemicals, serving research, clinical, and commercial programs at scales from grams to commercial volumes.
Advanced ManufacturingBiotechDeep TechNew MaterialsHuntsville, US
Nick Shackleyin
GENEWIZ provides sequencing, synthesis, and molecular biology services for research, clinical, and therapeutic applications, serving academic institutions, biotech companies, and pharmaceutical organizations.
BiotechDeep TechHealthtechMedical Devices
Amy Liao, PhD(Founder)in
Co-investorsOrbiMed
Gyros Protein Technologies develops the Gyrolab platform, an immunoassay solution for bioprocess applications in the biotechnology industry.
BiotechDeep TechHardwareHealthtechMedical Devices
ICON plc is a global Contract Research Organization providing consulting and outsourced development services to pharmaceutical, biotechnology, medical device, and government organizations to accelerate drug and device development.
AI & Machine LearningBiotechDigital HealthEnterprise SoftwareHealthtechMedical DevicesDublin, IE
iuvo is a contract research organization (CRO) focused exclusively on ophthalmology, managing clinical trials across anterior and posterior eye segments from protocol development through regulatory submission.
BiotechHealthtechMedical Devices
P95 Julius Clinical is a contract research organization that conducts clinical trials and real-world evidence programs for biotech and pharmaceutical companies, with expertise in neuroscience, infectious diseases, vaccines, and cardiovascular and metabolic diseases.
BiotechDigital HealthHealthtechMedical DevicesUtrecht, NL
Leinco Technologies manufactures antibodies and proteins, offering both large- and small-scale IVD antibody and protein production along with CDMO services for scientists in life sciences discovery, biopharmaceutical, and diagnostics segments.
BiotechHealthtechMedical DevicesSt. Louis, US
W. Pat Leinert Sr.(Founder)in
Lexington Medical is a surgical stapling company that develops endostapler devices for surgical procedures, including its AEON Endostapler used in thoracic surgery such as lung volume reduction.
Advanced ManufacturingHealthtechMedical DevicesBedford, US
Leon Amariglio(Founder & CEO)Jameson Kief(Director of Engineering)Marc Jin(Chief Operating Officer)inYuval Somekh(Chief Financial Officer)inAndrew Marecki(EVP of Technology)in
BoardDavid Roberts(Director)
Co-investorsNorwich VenturesLSG Holdings
LeadCare II is a rapid blood test device that identifies lead exposure in children within 3 minutes using a fingerstick sample at the point of care.
Digital HealthHealthtechMedical Devices
Magritek develops benchtop NMR spectrometers and related hardware for chemistry laboratories and research applications, enabling on-line monitoring of chemical reactions and analysis.
Advanced ManufacturingDeep TechHardwareNew MaterialsWellington, NZ
Professor Sir Paul T. Callaghan(Founding Inventor)Bernhard Blümich(Director)Juan Perlo(Co-CEO Magritek GmbH)inFederico Casanova(Director and Group CEO Magritek)in
Co-investorsRangatira Investments
Meadowhawk Biolabs is a contract research organization providing non-GLP bioanalytical and in vivo services—including LCMS bioanalysis, immunoanalysis, molecular analysis, and rodent pharmacology—for early-stage drug development programs.
BiotechDeep TechHealthtechMarlborough, US
Peter Glick(Executive Officer, Director)inJames Jersey(Executive Officer, Director)Jessica Sullivan(Executive Officer)inGlick Peter(Executive Officer, Director)
BoardHerbert Hooper(Director)
MedPharm is a contract development and manufacturing organization (CDMO) focused on topical, transdermal, and transepithelial drug products, supporting formulation development, in vitro testing, and GMP manufacturing from early development through commercial supply.
Advanced ManufacturingBiotechHealthtechMedical DevicesGuildford, GB
Co-investorsOrbiMed
Nano Imaging Services is a US-based contract research organization (CRO) with in-house cryo-EM microscopes, providing protein production and cryo-electron microscopy services.
BiotechDeep TechHealthtechSan Diego, US
Bridget Carragher(Director)inClinton S. Potter(Director)John Rigg(Executive Officer, Director)inJanine LeBlanc(Executive Officer)inPeter H. Glick(Executive Officer, Director)inBrian Conkle(Executive Officer)
NeoGenomics develops diagnostic tests and tools for cancer care, including tests for immunotherapy response monitoring, therapy selection, and minimal residual disease detection.
BiotechDigital HealthHealthtechMedical Devices
Tony Zook(Chief Executive Officer)in
NovaQuest Capital Management is an investment firm that funds the late-stage development of pharmaceutical drugs, aiming to lower healthcare costs and address unmet medical needs.
BiotechHealthtech
P95 is a clinical research and pharmaceutical services company that supports pharmaceutical development through medical monitoring, epidemiology, biostatistics, study management, pharmacovigilance, and medical writing services.
BiotechData & InfrastructureDigital HealthHealthtechMedical DevicesLeuven, BE
Bassem Saleh(Chief Executive Officer)
Patheon, part of Thermo Fisher Scientific, is a contract development and manufacturing organization (CDMO) that also offers clinical research (CRO) services for biotechnology and pharmaceutical sponsors.
Advanced ManufacturingBiotechHealthtech
Co-investorsFrazier Healthcare Partners
Clario provides clinical trial technology and data management services, including endpoint and evidence-generation solutions for site-based, decentralized, and hybrid trials.
AI & Machine LearningBiotechDigital HealthHealthtechMedical DevicesSaaS
Co-investorsRho Ventures
ProtaGene provides molecular bioanalytical services for gene therapy development, specializing in biodistribution studies, transgene expression assessment, and vector shedding analysis to support preclinical safety evaluation and clinical development of viral vector-based therapies.
BiotechDeep TechEnterprise SoftwareMedical DevicesBurlington, US
Michael Stump(President, US)Roland Moussa(President, EU)inTina Gerhards(Vice President, Quality Management)inAndré Abts(Vice President, Project Management CMC)inJulian Stendler(Vice President, IT)inPetra Weingarten(Vice President, Human Resources)
Co-investorsD11Z
Precision Coating provides surface modification and coating services for medical devices, wires, and instruments.
Advanced ManufacturingEnterprise SoftwareMedical DevicesNew MaterialsHudson, US
Purna provides contract development and manufacturing services for pharmaceutical projects, focusing on long-term customer partnerships and operational flexibility to meet customized client needs.
Advanced ManufacturingBiotechHealthtechBelgium, BE
Specac designs and manufactures accessories and sample preparation solutions for spectroscopy applications including FTIR, XRF, and NIR, serving customers in academia, manufacturing, and diagnostics globally.
Advanced ManufacturingDeep TechEdTechHardwareNew MaterialsLondon, GB
Stan RansonBernard Hawker
Co-investorsForesight Group
Syft automates multi-channel lead activation by triggering personalized campaigns across email, LinkedIn, Slack, and advertising the moment a qualified prospect is identified.
AdTechData & InfrastructureMarketing TechSaaSSales Tech
Co-investorsAscend Venture Capital
Syft develops SIFT-MS instruments that perform real-time, chromatography-free trace gas analysis of a broad range of volatile compounds, measuring multiple analytes such as benzene, formaldehyde, and hydrogen sulfide in a single run.
CleantechDeep TechHardware
Co-investorsCure Kids Ventures
Vernal Biosciences is an mRNA contract development and manufacturing organization (CDMO) that produces high-quality mRNA for research and therapeutic development.
Advanced ManufacturingBiotechDeep TechMedical DevicesColchester, US
Christian Cobaugh(Chief Scientific Officer and Founder)in
BoardErrik Anderson(Director)
Co-investorsDynamk CapitalAvant Bio
VIVEbiotech is a contract development and manufacturing organization (CDMO) specialized exclusively in lentiviral vectors for both ex vivo and in vivo administration, following EMA and FDA regulatory requirements.
Advanced ManufacturingBiotechMedical Devices
Co-investorsInveready Technology Investment Group
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
AdaptasAdaptas SolutionsAdmerahealthAlpcoBalchemBiosynthBrammer BioCriverGenezenHydrolixKedrionMycovetrusNexcelomNuvinkaDxPhosphorexRecipharmStagebioVantagemedtechVibalogicsVuelio
Exits · 4
3 IPOs · 1 acquisitions · showing 3ANI PharmaceuticalsNASDAQ: ANIPInterpaceOTC: IDXGPerkinelmerNYSE: RVTY
Portfolio news
latest coverage across their companiesBeacon Intelligence · beacon-intelligence.com · May 21, 2026
Purna · finance.yahoo.com · Feb 12, 2026
Fund performance · per public LP disclosures · 4
as of Mar 2025| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Ampersand CF, L.P.LPs: Los Angeles County Employees Retirement Association | 2020 | — | 29.5% | 1.78x | 1.06x |
| Ampersand 2011LPs: New York City Employees' Retirement System, Teachers' Retirement System of the City of New York, New York City Police Pension Fund +1 more | 2011 | — | 21.8% | 3.24x | 3.24x |
| AmpersandLPs: North Carolina Retirement Systems | 2006 | — | 16.6% | 3.12x | 3.12x |
| Ampersand 2006LPs: New York City Employees' Retirement System, Teachers' Retirement System of the City of New York | 2006 | — | 16.9% | 3.12x | 3.12x |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- How many investments has Ampersand made?
- Ampersand has 71 tracked investments, 4 of which have exited, including 1 dated in the last 24 months.
- What stage does Ampersand invest at?
- Ampersand invests at the Growth stage.
- What sectors does Ampersand focus on?
- Ampersand focuses on Biotech, Healthtech, Medical Devices.
- Where is Ampersand located?
- Ampersand is headquartered in Boston, US.
- Who does Ampersand co-invest with?
- Ampersand most often shares deals with ARCH Venture Partners, BioGenerator Ventures, Blumberg Capital, among 37 tracked co-investors.
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