StemCultures

What StemCultures does

StemCultures, LLC is a privately held biotechnology company founded in 2012 and headquartered in Rensselaer, New York, with mailing and operational presence in Albany, NY. The company develops and sells controlled-release growth factor products for stem cell and neuroscience research, serving academic researchers, core facilities, and commercial cell manufacturing organizations worldwide. Its 150+ SKU catalog comprises three product lines: StemBeads® (PLGA-based biocompatible microbeads loaded with growth factors), DISC™ Devices (hydrogel discs embedding StemBeads for convenient addition/removal), and a growing portfolio of validated antibodies for neural and stem cell characterization.

The proprietary technology addresses a core problem in cell culture: growth factors such as FGF2 (half-life ~4 hours) and GDNF (half-life ~45 minutes) degrade rapidly in conventional media, causing concentration swings that produce heterogeneous cell populations and reproducibility issues. StemBeads use FDA-approved biodegradable PLGA polymer to encapsulate native-sequence recombinant growth factors and release them at sustained, physiologic levels over several days, reducing feeding frequency from daily to 2-3 times per week and improving pluripotency maintenance and differentiation efficiency. Products are compatible with widely used commercial media (mTeSR, mTeSR plus, Stemflex, Brain Phys, NPEM) and the company holds multiple granted patents covering the microbead architecture, hydrogel devices, and specific growth factor formulations.

StemCultures operates a product-led, direct-to-researcher e-commerce model through stemcultures.com, supplemented by four distribution partners (Shenandoah Technology/Irvine Science, Neural Science/NSCI, Neuracell, and Qkine). All revenue is generated through one-time unit purchases with prices ranging from approximately $78 to $389 per product; there is no subscription or recurring revenue component. The firm has 1-10 employees, no disclosed institutional venture capital funding, and is led by CEO Jeffrey Stern. Recent strategic activity includes co-branded Qkine integration products (FGF2, BDNF, GDNF DISCs), beta-stage launches of VEGF and Qkine NT3 StemBeads, antibody portfolio expansion, and a Made-to-Order custom service.

Name

StemCultures

Legal name

StemCultures, LLC

Website

https://stemcultures.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

1–10 employees

Short description

StemCultures is a privately held biotech company that sells controlled-release stem cell growth factor products (StemBeads microbeads, DISC hydrogel devices, and antibodies) to academic researchers, core facilities, and cell manufacturing organizations worldwide via direct e-commerce and distribution partners.

Ownership category

akta.pro rank

Product category

Cell Culture Reagents

NAICS

Biological Product (except Diagnostic) Manufacturing (325414), Research and Development in Biotechnology (except Nanobiotechnology) (541714)

SIC

Biological Products, (No Disgnostic Substances) (2836)

akta.pro primary industry

Stem Cell Therapies (MSC/iPSC/HSC-derived) (HLAAABAE)

Keywords

• Cell culture reagents
• Stem cell growth factors
• Controlled release microbeads
• IPSC culture media
• Research antibodies

Headquarters

HQ city

Rensselaer

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. StemBeads Products: One-time purchase of growth factor microbead products for cell culture. Products include various growth factors (BDNF, GDNF, FGF2, EGF, VEGF, Activin-A, NT3, b-NGF) sold in different sizes and configurations.
2. DISC Devices: One-time purchase of DISC devices - inert hydrogels embedded with StemBeads that release growth factors at defined levels for up to a week. Sold in packs (typically 12-pack).
3. Antibodies: High-quality, validated antibodies for research applications including SOX2, 4RTau, FOXG1, IBA1, SATB2, SOX10. Sold in various sizes with pricing tiers.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

StemCultures develops and sells controlled-release stem cell growth factor products for research and cell manufacturing. Its core offerings are StemBeads (biocompatible PLGA microbeads loaded with recombinant growth factors such as FGF2, BDNF, GDNF, EGF, VEGF, Activin A, NT3, and b-NGF) and DISC Devices (inert hydrogels containing StemBeads that release defined growth factor levels for up to a week). The company also sells a catalog of validated research antibodies and offers custom made-to-order products.

Product overview

StemCultures offers a portfolio of controlled-release stem cell growth factor products for scientific research. The core product line consists of StemBeads® (biocompatible PLGA microbeads that stabilize and slowly release growth factors) and DISC™ Devices (hydrogel discs containing StemBeads for convenient addition/removal). Growth factor variants include BDNF, GDNF, FGF2 (145 aa and 154 aa), EGF, VEGF, NT3, Activin A, and b-NGF. Qkine-branded variants are also available. The company also offers antibodies (SOX2, FOXG1, IBA1, SATB2, SOX10, 4RTau) as research tools for protein detection in stem cell and neuroscience applications. Products are sold directly to research labs, core facilities, and cell manufacture organizations.

Differentiator

Problem solved

Functional benefit

Brands

• StemBeads: Controlled-release microbeads that stabilize growth factor levels at defined concentrations, releasing sustained levels over several days in commercial medium.
• DISC Devices

Products and services

• StemBeads® Biocompatible microbeads that encapsulate growth factors and release them at a controlled, sustained rate over several days in cell culture, stabilizing labile proteins such as FGF2 and GDNF. Targeted at academic stem cell researchers, core facilities, and cell manufacturing organizations.
• DISC™ Devices Inert, non-degradable, biocompatible hydrogels containing StemBeads that release growth factors at defined, optimized levels for up to a week in cell culture; added to and removed from culture wells for easy use. Targeted at researchers and core facilities.
• StemBeads growth factor variants (BDNF, GDNF, FGF2 154 aa, FGF2 145 aa, EGF, VEGF, Activin A, NT3, b-NGF, Blank15) StemBeads microbeads loaded with specific recombinant growth factors (BDNF, GDNF, FGF2 in 154 aa and 145 aa forms, EGF, VEGF, Activin A, NT3, b-NGF) plus blank microbeads for control experiments and custom loading. Sold in various sizes at unit prices such as $109–$389 per product.
• DISC Devices by growth factor (BDNF DISCs, GDNF DISCs, FGF2 DISCs) 12-pack DISC devices pre-loaded with specific growth factors (BDNF, GDNF, FGF2), releasing defined levels for up to a week; priced at $78–$288 depending on product. Targeted at neuronal and stem cell cultures.
• Qkine co-branded StemBeads and DISC products (Qkine FGF2 DISCs, Qkine BDNF DISCs, Qkine GDNF DISCs, StemBeads Qkine NT3) StemBeads and DISC products incorporating Qkine recombinant growth factors (FGF2, BDNF, GDNF, NT3). Qkine proteins are animal origin-free (AOF) and carrier protein-free; the GDNF DISCs release at 5 ng/mL for up to two weeks. Priced at $78–$288 per product.
• Research Antibodies (SOX2, SOX2 ProClin-Free, FOXG1, IBA1, SATB2, SOX10, 4RTau) High-quality, validated antibodies for precise detection of proteins in cells and tissues, supporting research in development, disease, and cellular pathways. Includes SOX2 (pluripotency and neural progenitor identity), FOXG1 (forebrain development), IBA1 (microglia/macrophages), SATB2 (cortical neuron identity), SOX10 (neural crest-derived cells, glia, melanocytes), and 4RTau (tauopathy research). Priced at $175–$300 per size option.
• Bundled growth factor products (BDNF/GDNF DISCs Bundle, StemBeads BDNF/GDNF Bundle, StemBeads FGF2/EGF Bundle) Discounted bundle packs combining complementary StemBeads or DISC products (BDNF/GDNF DISCs Bundle at $162 from $180; StemBeads BDNF/GDNF Bundle at $700.20 from $778; StemBeads FGF2/EGF Bundle at $358.20 from $398). Targeted at combined-neural or combined-stem cell culture workflows.

Quantifiable outcome

• FGF2 half-life extended from ~4 hours to sustained release over several days
• +2 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core.

• Shenandoah Technology (Irvine Science)coreChannel Partner/ Reseller/ DistributorListed as a distribution partner on StemCultures website. Shenandoah Technology/Irvine Science distributes StemCultures recombinant protein products alongside their own product lines.
• Neural Science (NSCI)coreChannel Partner/ Reseller/ DistributorListed as a distribution partner on StemCultures website. Neural Science distributes StemCultures products to their customer base in the research community.
• NeuracellcoreChannel Partner/ Reseller/ DistributorListed as a distribution partner on StemCultures website. Neuracell is a distribution partner for StemCultures products in the neural science research market.
• QkinecoreTechnology or IntegrationQkine provides recombinant growth factors (FGF2, GDNF, BDNF, NT3, EGF) that are incorporated into StemCultures StemBeads and DISC products. Products branded as 'Qkine FGF2 DISCs', 'Qkine GDNF DISCs', etc. Qkine proteins are animal origin-free (AOF) and carrier protein-free.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Bio-Techne (R&D Systems): Supplies recombinant growth factors (BDNF, GDNF, FGF2, EGF, VEGF) and GMP-grade proteins through its R&D Systems and ProteinSimple brands. Directly competes on the underlying growth factor content that StemCultures encapsulates, and could move upstack into delivery technology.
• Lonza: Provides cell and gene therapy manufacturing solutions including media, growth factors, and process services. Comparable to StemCultures' secondary 'Cell Manufacture' segment and a likely competitor as cell therapy manufacturing commercializes.
• Miltenyi Biotec: Offers cell culture reagents, media, and processing instruments alongside its core magnetic cell separation business. Overlaps with StemCultures on neuronal and iPSC research workflows and could expand into controlled-release growth factor delivery.
• Thermo Fisher Scientific (Gibco): Through its Gibco brand, sells the dominant portfolio of cell culture media, growth factors, and reagents (including mTeSR, which StemCultures products are designed to be compatible with). A broad incumbent whose scale and catalog could easily bundle a competing controlled-release offering.
• Corning Life Sciences: Major supplier of cell culture vessels, surfaces, and media. Comparable as a foundational cell culture tools incumbent whose distribution channels overlap with StemCultures' customer base.

Direct peers

• StemCell Technologies: Largest pure-play stem cell research tools provider, offering media, growth factors, and cell culture reagents to academic and translational researchers. Directly comparable as the incumbent target competitor in StemCultures' core academic and iPSC customer base.
• Qkine: Animal-origin-free, carrier-protein-free recombinant growth factor supplier that is also a StemCultures distribution and technology partner. The two companies occupy adjacent layers of the same value chain and could either deepen partnership or compete as Qkine expands.
• PeproTech: Specialist recombinant growth factor manufacturer (now part of Thermo Fisher) supplying BDNF, GDNF, FGF2, EGF and others to research customers. Direct competitor on the growth factor reagent input that StemCultures encapsulates.

Emerging players

• CellGenix: Supplies GMP-grade raw materials (growth factors, cytokines, media) for cell and gene therapy manufacturing. Comparable as a target for StemCultures' cell therapy manufacturing segment and an emerging competitor in regulated workflows.
• Akron Biotech: Manufactures cytokines, growth factors, and ancillary reagents for cell therapy and regenerative medicine developers. Comparable in customer base (translational cell therapy) and product category.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/StemCultures
• Facebookfacebook.com/StemCultures
• LinkedInlinkedin.com/company/stemculture-llc
• Instagraminstagram.com/stemcultures

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds2 records

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about StemCultures