Expansion Technologies
Cambridge, US · Founded 2015 · Delaware corporation
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The company develops expansion microscopy technology that enables nanoscale imaging of large brain tissue sections by permeating them with absorbent material and expanding with water, preserving molecular information.
Founders & leadership
Expansion Technologies was founded in 2015 by Jeremy Wertheimer and Ed Boyden.


Reported raises · per SEC filings
Form D private placements$3.5M disclosed across 2 rounds · 2016–2017
▶$1.5MraisedNov 2017 · 1 investors · BiotechnologyRule 506(b)
- Oded KadoshDirector
- Edward BoydenDirector
- Offering amount
- $1.5M
- Amount sold
- $1.5M
- First sale
- Oct 2017
- Incorporated
- Corporation, Delaware, 2015
- Federal exemptions
- 06b
▶$2MraisedFeb 2016 · 1 investors · BiotechnologyRule 506(b)
- Tamar ErdfarbDirector
- Oded KadoshDirector
- Offering amount
- $2M
- Amount sold
- $2M
- First sale
- Feb 2016
- Incorporated
- Corporation, Delaware, 2015
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 1
by search overlapCompanies competing with Expansion Technologies for the same Google search keywords, organic and paid, via search-intersection analysis.
Non-dilutive funding · 1 SBIR/STTR award
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2022 | $500K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- What does Expansion Technologies do?
- The company develops expansion microscopy technology that enables nanoscale imaging of large brain tissue sections by permeating them with absorbent material and expanding with water, preserving molecular information.
- Who founded Expansion Technologies?
- Expansion Technologies was founded by Jeremy Wertheimer, Ed Boyden in 2015.
- How much funding has Expansion Technologies raised?
- Expansion Technologies has disclosed $3.5M raised across 2 rounds.
- Where is Expansion Technologies headquartered?
- Expansion Technologies is headquartered in Cambridge, US.
