Filed before 2025Filed 8 May 2017
Arsanis, Inc. raised $45.5M
Arsanis, Inc., a biotech company based in Waltham, MA, raised $45.5M in a new equity round, according to a filing dated 8 May 2017.
Raises filed before 2025 are not checked for a public announcement.
- Filed
- 8 May 2017
- Round
- Equity round
- Amount sold
- $45.5M
- Offering size
- $50.5M
- Investors so far
- 18
- Based in
- Waltham, MA
Investors on the board
- Dementia Discovery
- SV Life Sciences
- Polaris
- Polaris Healthcare Technology
- Polaris Entrepreneurs'
- Omega Fund
Firms come from the venture funds whose filings name a director of this company.
Who is on the board
4 directors of this company are named on venture funds' filings. Sign in free with Google to see who, the full filing, and a short list of rounds like this each morning.
Sign in with GoogleHow it compares
Larger than 93% of the 1,645 tracked raises with an amount filed in 2017, and than 89% of the 152 in biotech.
Arsanis, Inc. in public filings
| Filed | Filing | Sold | Raise |
|---|---|---|---|
| 8 May 2017 | New filing | $45.5M | This raise |
| 27 Apr 2016 | New filing | $15M | Another raise |
| 30 Dec 2015 | New filing | $4M | Another raise |
| 5 Jun 2015 | Amended filing | $20M | Another raise |
| 11 Aug 2014 | Amended filing | $13M | Another raise |
More with Dementia Discovery on the board
Other unannounced rounds
- DVx Atomic Co.$18.5M
- Aperio Systems, Inc.$1.6M
- Twin Health, Inc.$59M
- Scoring Factory AI Inc.$500K
- Royal & Pelham, Inc.$5.4M
- SPECTRA Holdings US, Ltd.$2.5M
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