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Ampersand

Private equity

Boston · Growth · 34 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 Aug 25, 2026.

Stage
Growth
HQ
Boston, MA, US
Instruments
Equity
Founded
1988
AUM
$3.1B
Tracked investments
71

Team · 34 people

from the firm's website
Dean D. Schauer· Operating Partner
Jay S. Ray· Operating Partner
Jean Qiu· Executive Advisor

What they invest in

from 46 of 71 portfolio companies

Biotech ×33Healthtech ×28Advanced Manufacturing ×17Medical Devices ×16Digital Health ×11Deep Tech ×7AI & Machine Learning ×4Hardware ×4

HQs:United States×14Belgium×1United Kingdom×1New Zealand×1

Investments · 71 tracked

founders shown can be your intro path

By year:2025 · 12023 · 12022 · 12021 · 14 dated

ANI Pharmaceuticalsanipharmaceuticals.cominNASDAQ: ANIP

ANI Pharmaceuticals is a pharmaceutical company focused on rare disease treatments, developing and marketing therapies such as an intravitreal implant for chronic non-infectious uveitis.

BiotechHealthtech

Co-investorsThe Argentum Group

Perkinelmerperkinelmer.comin𝕏NYSE: RVTYSep 2021Acquired

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

James M. Mock(Executive Officer)Andrew Okun(Executive Officer)Joel S. Goldberg(Executive Officer)Prahlad Singh(Executive Officer, Director)Tajinder Vohra(Executive Officer)

BoardSylvie Gregoire(Director)

Co-investorsARCH Venture PartnersPartners for GrowthPartners for Growth (PFG)

Adaptas

Laboratory instrumentation CDMO, originally a supplier of mass spectrometry components, scaled globally via acquisitions and later sold to IMI.

Adaptas Solutionsadaptas.com
Admerahealthadmerahealth.com
AIT Biosciencenexelis.comin

BiotechIndianapolis, US

Ronald E. Shoup(Executive Officer, Director)Michael Evans(Executive Officer, Director)Teresa A. Pascarelli(Executive Officer, Director)Terry J. Spartz(Executive Officer, Director)Michael A. Evans(Executive Officer, Director)

BoardR. J. McConnell(Director)

Co-investorsElevate Ventures

Alcamialcami.com
Alcaminowalcaminow.comin𝕏
Alpcoalpco.com
AnaBiosanabios.comin𝕏May 2022

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

Andre Ghetti(Executive Officer, Director)Richard F. Erdman(Director)Paul Miller(Executive Officer)Jack Reynolds(Executive Officer, Director)Peter Crowley(Director)George Goldsmith(Director)

Co-investorsKeiretsu Forum

Avidbioavidbio.com

Avid Bioservices is a U.S.-based contract development and manufacturing organization (CDMO) specializing in mammalian cell culture process development, analytical development, and CGMP biologics manufacturing.

Advanced ManufacturingBiotechHealthtech

Bakodxbakodx.comin𝕏

BakoDx provides anatomic and clinical pathology diagnostic services along with office-dispensed therapeutic products and biopsy instruments focused on the skin, soft tissue, and bone of the lower extremity.

Digital HealthHealthtechMedical Devices

Balchembalchem.com
Beacon Intelligencebeacon-intelligence.comin𝕏

Beacon Intelligence provides subscription databases covering drug development landscapes across therapeutic areas such as oncology, neurology, cell and gene therapy, RNA, and autoimmune diseases.

BiotechData & InfrastructureHealthtech

Biologosbiologos.comin𝕏

Biologos is a custom biologics contract manufacturer producing GMP-compliant, ISO 13485:2016 certified products such as cell culture media (e.g.

Advanced ManufacturingBiotechMedical Devices

Biosynthbiosynth.com
Bioventusbioventus.comin𝕏

Bioventus develops orthobiologics and pain treatment products for orthopedic care, offering therapies such as the StimRouter neurostimulation device for chronic peripheral nerve pain.

BiotechHealthtechMedical Devices

Co-investorsAlta PartnersEssex Woodlands Healthcare Partners

Brammer Bio
Cambrexcambrex.comin

Cambrex is a contract development and manufacturing organization (CDMO) serving biotech and pharmaceutical companies with drug substance and drug product development, API manufacturing, analytical testing, and specialty services such as peptides, oligonucleotides, highly potent APIs, and controlled substances.

Advanced ManufacturingBiotechHealthtech

Canopy Biosciencescanopybiosciences.comin𝕏

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)CRYSTAL WINKELER(Chief Operating Officer)CHARLES BOLTEN(Director)DAVID KINGSLEY(Director)

BoardDAVID SMOLLER(Director)in

Co-investorsBioGenerator Ventures

Confluentconfluent.ioin𝕏Acquired

Confluent provides a cloud-native platform for real-time data streaming and movement, enabling organizations to connect applications and respond to business events as they occur.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareMountain View, US

Neha Narkhede(Co-founder; former Chief Technology Officer and board member)inJay Kreps(Co-founder and Chief Executive Officer)inJun Rao(Co-founder)in

Co-investorsAlkeon InnovationAltimeter CapitalAxevil CapitalBattery VenturesCoatue ManagementCusp Capital+14 more

Confluentmedicalconfluentmedical.comin𝕏

Confluent Medical is a contract design, development, and manufacturing partner for the medical device industry, specializing in interventional catheter-based devices and implants.

Advanced ManufacturingMedical DevicesNew Materials

Crivercriver.com
Curiaglobalcuriaglobal.comin

Curia is a contract development and manufacturing organization (CDMO) that guides biopharma clients through drug discovery, development, and manufacturing, with services spanning small molecule, generic APIs, sterile drug product, and biologics.

Advanced ManufacturingBiotechHealthtech

Curteccurtec.comin

CurTec manufactures high performance plastic packaging — drums, pails, and jars — for storing and transporting critical materials such as active pharmaceutical ingredients, specialty chemicals, and precious metals.

Advanced ManufacturingCircular EconomyNew Materials

Dynextechnologiesdynextechnologies.comin

DYNEX Technologies manufactures fully automated ELISA laboratory systems and diagnostic instruments for clinical and research laboratories.

Medical Devices

Co-investorsTelegraph Hill Partners

Eurofins Viracoreurofins-viracor.comin𝕏

Eurofins Viracor is a specialty clinical diagnostic laboratory offering nearly 3,000 assays in infectious disease, transplant, allergy, invasive fungal, and immunology testing for critically ill and immunocompromised patients.

BiotechDigital HealthHealthtech

Flagshipbioflagshipbio.comin𝕏

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)

Freudenbergmedicalfreudenbergmedical.comin

Freudenberg Medical is a contract development and manufacturing organization (CDMO) for medical devices and pharmaceutical products, supporting clients from concept and design through development and series manufacturing.

Advanced ManufacturingMedical Devices

Gannet BioChemgannetbiochem.comin

Gannet BioChem is a contract development and manufacturing organization (CDMO) specializing in polymer science, offering activated polymers, PEG chemistry, and bioconjugation services for complex therapeutics.

BiotechNew Materials

Gendxgendx.comin

GenDx is a molecular diagnostics company specializing in HLA typing and other reagents and software for pre- and post-transplant testing in diagnostic laboratories.

BiotechDigital HealthMedical Devices

Genewizgenewiz.com

GENEWIZ, part of Azenta Life Sciences, provides genomics laboratory services including next-generation and Sanger sequencing, gene synthesis, oligo synthesis, plasmid DNA preparation, proteomics, and GLP-compliant and clinical services.

BiotechDeep TechHealthtech

Genezengenezen.com
Gyrosproteintechnologiesgyrosproteintechnologies.comin𝕏

Gyros Protein Technologies provides automated platforms for biotherapeutic drug development, including the Gyrolab immunoassay systems and PurePep peptide synthesis solutions.

BiotechHardwareHealthtech

Iconplciconplc.comin𝕏

ICON is a clinical research organization that provides drug and medical device development services, including full-service outsourcing, early clinical and bioanalytical solutions, specialty laboratories, cardiac safety monitoring, market access consulting, and AI-enabled clinical trial platforms.

AI & Machine LearningBiotechDigital Health

Interpaceinterpace.comin

Interpace provides molecular diagnostic testing, including the ThyGeNEXT+ThyraMIRv2 test for evaluating indeterminate thyroid nodules.

BiotechDigital HealthHealthtech

Ionnlionnl.comin

Ion Labs is a contract manufacturer and R&D specialist that develops and produces products in unique delivery formats for premium brands.

Advanced Manufacturing

Iuvobioscienceiuvobioscience.comin

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

Juliusclinicaljuliusclinical.comin

Julius Clinical is a contract research organization (CRO) that conducts clinical trials and scientific research, with expertise in cardiometabolic, rheumatologic, and other therapeutic areas.

BiotechDigital HealthHealthtech

Kedrionkedrion.com
Leincoleinco.comin𝕏

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

Lexington Medical, Inclexington-med.cominApr 2025

Lexington Medical designs and manufactures the AEON surgical stapling system for minimally invasive surgery, offering powered and manual handles with a universal array of reloads for surgeons.

Advanced ManufacturingHardwareHealthtechMedical DevicesBedford, US

Leon Amariglio(Founder & CEO)Jameson Kief(Director of Engineering)Marc Jin(Chief Operating Officer)Yuval Somekh(Chief Financial Officer)Andrew Marecki(EVP of Technology)

BoardDavid Roberts(Director)

Co-investorsNorwich Ventures

Magellandxmagellandx.com

Magellan Diagnostics develops products that detect and help protect children and adults at risk of lead exposure and lead poisoning.

Digital HealthHealthtechMedical Devices

Magritekmagritek.comin

Magritek manufactures cryogen-free benchtop Nuclear Magnetic Resonance (NMR) spectrometers, including its Spinsolve family (60–100 MHz), for the analytical instrument market.

Advanced ManufacturingDeep TechHardware

Co-investorsRangatira Investments

Meadowhawk Biolabsmeadowhawkbiolabs.comin

BiotechMarlborough, US

Peter Glick(Executive Officer, Director)James Jersey(Executive Officer, Director)Jessica Sullivan(Executive Officer)Glick Peter(Executive Officer, Director)

BoardHerbert Hooper(Director)

Medpharmmedpharm.comin

MedPharm is a contract development and manufacturing organization that partners with pharmaceutical and biotech companies to develop, test, and manufacture topical and transepithelial drug products across multiple delivery routes.

BiotechHealthtechMedical Devices

Co-investorsOrbiMed

Mycovetrusmycovetrus.com
NanoImaging Servicesnanoimagingservices.cominJun 2023

San Diego, US

Bridget Carragher(Director)Clinton S. Potter(Director)John Rigg(Executive Officer, Director)Janine LeBlanc(Executive Officer)Peter H. Glick(Executive Officer, Director)Brian Conkle(Executive Officer)

NeoGenomicsneogenomics.comin𝕏

NeoGenomics provides oncology diagnostics and laboratory testing, offering over 500 tests across modalities including molecular testing, IHC, flow cytometry, FISH, next-generation sequencing, and comprehensive genomic profiling for solid tumors and hematologic cancers.

BiotechDigital HealthHealthtech

Nexcelomnexcelom.com
Novaquestnovaquest.com
NuvinkaDx
P 95p-95.comin

P95 is a contract research organization (CRO) providing end-to-end clinical trial delivery and real-world evidence solutions focused on vaccines and infectious diseases, serving global pharmaceutical and public health organizations.

BiotechDigital HealthHealthtech

Patheonpatheon.comin

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

Phosphorexphosphorex.com
PHTin𝕏

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

PPSprotagene.comin

Protagene provides clinical-grade gene therapy analysis services, including AAV/LVV gene therapy evaluation and integration site analysis for the biotech industry.

BiotechDeep Tech

Co-investorsD11Z

Precisioncoatingprecisioncoating.comin

Precision Coating applies industrial surface coatings, including PTFE non-stick coatings and MICRALOX anodizing for chemical resistance, on components across various applications.

Advanced ManufacturingNew Materials

Purnapurna.be

Purna is a pharmaceutical company that handles product development from API to finished product and provides contract manufacturing services.

Advanced ManufacturingBiotechHealthtech

Exits · 2

IPOs and acquisitions across the tracked portfolio

ANI PharmaceuticalsNASDAQ: ANIPPerkinelmerNYSE: RVTY

Portfolio news

latest coverage across their companies

Fund performance · per public LP disclosures · 4

as of Mar 2025
FundVintageCommittedNet IRRTVPIDPI
Ampersand CF, L.P.LPs: Los Angeles County Employees Retirement Association202029.5%1.78x1.06x
Ampersand 2011LPs: New York City Employees' Retirement System, Teachers' Retirement System of the City of New York, New York City Police Pension Fund +1 more201121.8%3.24x3.24x
AmpersandLPs: North Carolina Retirement Systems200616.6%3.12x3.12x
Ampersand 2006LPs: New York City Employees' Retirement System, Teachers' Retirement System of the City of New York200616.9%3.12x3.12x

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 70 tracked investments, 2 of which have exited via acquisition or IPO, 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 Battery Ventures, Blumberg Capital, DCVC (Data Collective), among 47 tracked co-investors.

Images

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