PJC
Venture capital · Boston, Massachusetts, United States
Portfolio collected from the firm’s website, last checked Jun 28, 2026.Raises and exits come from each company’s own SEC and company records.
3Deep-tech portfolio1 active
2Portfolio exitsAcquired or listed
1Raises, 12 monthsLatest: Gossamer Bio
28Co-investorsShare a portfolio company
Portfolio · 3 companies
| Company | Sector | Status | Latest raise | Raised |
|---|---|---|---|---|
| Disc Medicine | Biotech | Active | — | — |
| Gossamer Bio | Biotech | Public | Sep 4, 2026 | $728.1M |
| Day One Biopharmaceuticals | Biotech | Acquired | — | — |
Peer ranks
Portfolio size#136
Portfolio exits#103
Raises, 12 months#22
Co-investors#64
Co-investors
- Atlas VentureVenture capital3 shared
- LifeSci Venture PartnersVenture capital2 shared
- Longitude CapitalVenture capital2 shared
- Perceptive AdvisorsVenture capital2 shared
- Aisling CapitalVenture capital1 shared
- Altitude Life Science VenturesVenture capital1 shared
- Apple Tree PartnersVenture capital1 shared
- Avoro Capital AdvisorsVenture capital1 shared
- Biotechnology Value FundVenture capital1 shared
- Boxer CapitalVenture capital1 shared
Sectors
- Biotech3
Portfolios are collected from investors’ own websites and matched to tracked deep-tech companies by name; duplicate listings of the same firm are merged. Exits and raises come from each company’s own record: Form D through the latest filing.