Startup · United States
Ansa Biotechnologies
HQ EmeryvilleFounded 201811-50 employees
Our enzymatic DNA synthesis platform removes the constraints of assembly-based methods, enabling direct synthesis of complex sequences up to 900 bp and seamless delivery of constructs up to 50 kb.
Funding4 rounds · $137M
- Equity raised
- $137M
- Latest
- $54.4MSeries B · Oct 1, 2025
- Last valuation
- $261MPost-money · Series B · Oct 1, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Oct 1, 2025 | Series B | $54.4M | $261M | Cerberus Ventures | — | Confirmed |
| Apr 11, 2022 | Series A | $68.0M | — | Northpond Ventures | Fifty Years, Horizons Ventures | Reported |
| Oct 8, 2021 | Undisclosed | $5.0M | — | — | — | Confirmed |
| Jun 24, 2020 | Seed | $9.2M | — | Horizons Ventures | — | Confirmed |
- $54.4MOct 1, 2025
- $68.0MApr 11, 2022
- UndisclosedConfirmed$5.0MOct 8, 2021
- $9.2MJun 24, 2020
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
People8
- Daniel Arlow · LinkedIn ↗
Founder
- Jared Ellefson · LinkedIn ↗
Co-Founder and Head of DNA Assembly & Protein Engineering
- Sebastian Palluk · LinkedIn ↗
Founder
- Daniel Arlow · LinkedIn ↗
CSO
- Geoff Hamilton · LinkedIn ↗
Chief Financial Officer and Chief Business Officer
- Jason Gammack · LinkedIn ↗
Chief Executive Officer
- Matthias Arenskötter · LinkedIn ↗
Chief Operating Officer
- Sebastian Palluk · LinkedIn ↗
CTO
Hiring Observations3 observed listings
Emeryville, CA · Commercial
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
Emeryville CA · Other
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
Systems Integration Engineer ↗
Emeryville, CA · Engineering
Open when checked · Greenhouse public employer job board
Checked Oct 13, 2026
A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.
Sources14
Show all 14 sources and supporting evidence
Profile5
- 1
Ansa Biotechnologies · Supports Organization · description, Organization · name, Organization · website
“Our enzymatic DNA synthesis platform removes the constraints of assembly-based methods, enabling direct synthesis of complex sequences up to 900 bp and seamless delivery of constructs up to 50 kb.”
- 2
PitchBook · Supports Organization · country, Organization · founded year, Organization · linkedin url, Organization · x url
“country: US”
- 3
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "9fe4c106-6cea-46bb-8f96-f06978f351f7", "name": "Ansa Biotechnologies"}”
- 4
LinkedIn · Supports Organization · country, Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url
“country: US”
- 5
Owler · Supports Organization · country, Organization · founded year, Organization · hq city, Organization · linkedin url, Organization · x url
“country: US”
Funding7
- 6
Business Wire · Oct 1, 2025 · Supports Funding round · amount, Organization · ownership
“Ansa Biotechnologies has secured $54.4 Million in an oversubscribed series B financing round.”
- 7Regulatory filingAnsa Biotechnologies Form D (filed 2025-10-01)
SEC EDGAR · Oct 1, 2025 · Supports Funding round
“<totalAmountSold>45199665</totalAmountSold>”
- 8Regulatory filingAnsa Biotechnologies Form D (filed 2022-04-14)
SEC EDGAR · Apr 14, 2022 · Supports Funding round
“<totalAmountSold>67724967</totalAmountSold>”
- 9
VC News Daily · Apr 11, 2022 · Supports Funding round · amount
“announced it has closed an oversubscribed Series A financing round of $68 million led by Northpond Ventures.”
- 10Regulatory filingAnsa Biotechnologies Form D (filed 2021-10-15)
SEC EDGAR · Oct 15, 2021 · Supports Funding round · amount
“<totalOfferingAmount>5000000</totalOfferingAmount>”
- 11Regulatory filingAnsa Biotechnologies Form D (filed 2020-07-09)
SEC EDGAR · Jul 9, 2020 · Supports Funding round · amount
“<totalOfferingAmount>9213151</totalOfferingAmount>”
- 12
Forge Global · Supports Funding round · post money valuation usd
“10/01/2025 Series B Plus $24.28M $0.35 $260.65M”
People1
- 13
Crunchbase · Supports Organization · country, Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · x url, Role
“country: US”
Other1
- 14
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.